prof-u.g. chandrika

RESEARCH & PUBLICATIONS


 

Prof.  U.G. Chandrika

Prof. U.G. Chandrika B.Sc. (hons), M.Phil., PhD., C.Chem., F.I. Chem.C.

Senior Professor
Department of Biochemistry

Telephone - Office : +94 11 2758000 Ext: 4150     Mobile : +94 71 8252910
E-mail : chandri@sjp.ac.lk, udumalagala2002@yahoo.com


 

EDUCATIONAL QUALIFICATIONS


  • 2001 - 2004

PhD University of Sri Jayewardenepura, Sri Lanka
Thesis title: Content, bioaccessibility, bioavailability and bioconversion of carotenoids in some Sri Lankan fruits and green leafy vegetables.

  • 1997 - 1999

M.Phil Massey University, Palmerston North, New Zealand.
Thesis title: Glycosylation of bovine alpha lactalbumin

  • 1986 - 1992

B.Sc (Hons) in Chemistry University of Sri Jayewardenepura, Sri Lanka, with a second class upper division pass.

  • 2018 - 2019

"New Zealand Certificate in Adults and Tertiary teaching", Te Wananga, o Aotearoa, New Zealand

 

 

TEACHING INTERESTS


  • Food Biochemistry
  • Food Chemistry
  • Nutritional Biochemistry

 

 

RESEARCH INTERESTS


  • Plant Food Carotenoids analysis and its in vitro bio-accessibility studies
  • Bioactivity-guided fractionation and identification of Bioactive natural products from plant foods and traditional medicinal plants (in vivo bioactivities such as anti-diabetic, anti-inflammatory, hepatoprotective, anti-dengue, anti-oxidant)
  • Protein analysis

 

 

TEACHING AND ADVISING EXPERIENCE


Faculty of Medical Sciences, University of Sri Jayewardenepura, Sri Lanka.

2011 - to date

Professor in Biochemistry

2014 Jan - 2015 July

Head of the Department of Biochemistry (in addition to a full-time position as a Professor)

2008 - 2011

Associate Professor in Biochemistry

2005 - 2008

Senior Lecturer (Grade I) in Biochemistry

1999 - 2005

Senior Lecturer (Grade II) in Biochemistry

1994 - 1999

Lecturer in Biochemistry

1992 - 1994

Assistant Lecturer/Demonstrator, Department of Chemistry

In addition to full-time Academic staff member in the Faculty of Medical Sciences I taught following courses at the Faculty of Applied Sciences at the same University as a visiting lecturer as follows:

1999 - 2015

M.Sc. in Food Science and Technology

2001 - 2015

B.Sc. Special degree in Zoology

2007 - 2015

B.Sc. Special degree in Botany

2005 - 2015

Visiting Lecturer - Postgraduate Diploma in Toxicology, Department of Forensic Medicine, Faculty of Medicine, University of Colombo

 

 

ACHIEVEMENTS


2018

Vice Chancellors award for research from University of Sri Jayewardenepura, Sri Lanka

2017

SUSRED awards for supervising and completing PhD within a stipulated period 2017 from National Science Foundation, Sri Lanka

2015

National Research Council Sri Lanka merit awards for research

2015

Invited speaker for 12th Asian Congress of Nutrition, Yokohama, Japan.
Theme: Nutrition and Food for Longevity: For the Well-Being of All

2011

National Research Council Sri Lanka merit awards for research published in International Journal of Food Sciences and Nutrition

2010

Presidential awards for research published in Journal of Nutritional Science and Vitaminology and Journal of Food Science

2009

Secured Scholarship by A-IMBN/AMBO to participate in the International Training Course on Exploring Structural Biology by Synchrotron Protein Crystallography - Institute of Biological Chemistry, Academia Sinica, Taipei, Taiwan

2009

Secured fellowship from IUPAB to participate in Workshop on “NMR and its applications in Biological Systems”, Tata Institute, India

2007

Presidential awards for research published in published in British Journal of Nutrition

2006

Presidential awards for research published in Journal of the Science of Food and Agriculture

2005

Presidential awards for research published in Journal of the Science of Food and Agriculture

2005

Kandiah Memorial award (Best Doctoral Thesis in Chemistry)

2004

PI for a ,000 research grant from the International Foundation for Science, Sweden.

2004

PI for a ,000 research grant from the National Research Council, Sri Lanka.

2004

Prof. M U S Sulthanbawa award (Best research paper presented at the Annual Session, Institute of Chemistry, Sri Lanka)

2004

Secured Fellowship by International Program for Chemical Sciences for part of my Doctoral studies in Department of Food Sciences, Chalmers University of Gothenburg, Sweden and Faculty of Food Engineering, University of Campinas, Brazil,

2004

Secured Fellowship by International Program for Chemical Sciences for present paper at XXII International Vitamin A Consultative Group Meeting in Lima, Peru,

2003

Secured Fellowship by International Program for Chemical Sciences for present paper at XXI International Vitamin A Consultative Group Meeting in Marrakesh, Morocco,

2001

Secured Scholarship by AMBO International to participate in the Training Course on "Innovative Research Strategies for Tomorrow at Osaka University, Japan

1996

Secured scholarship from AusAID for research training in Biochemistry at School of Biochemistry and Molecular genetics, University of New South Wales, Australia

 

 

TEACHING (FROM 1994 - TO DATE)


University of Sri Jayewardenepura, Sri Lanka.

Faculty of Medical Sciences

  • MBBS - Phase 1 and B.Sc. Human Biology - Part 1 Biochemistry (Foundation/Endocrine/ Nutrition/GIT/Blood and immune modules)- Plant and Animal Foods, Food Biochemistry, Nutritional Biochemistry- Lectures, SGDs, Tutorials and lab supervision
  • B.Sc. Human Biology (Biochemistry/Food and Nutrition) Specialization - Part III- Organic spectroscopy (UV, NMR and Mass), Separation techniques, - Lectures, Tutorials, SGDs, supervision of literature review, supervising students' research projects and students seminars, evaluate presentation skills, lab supervision etc.
  • B.Sc. Nursing - Part 1 - Protein, Carbohydrates, Lipids - Lectures, Tutorials and lab supervision
  • B.Sc. Medical Laboratory Sciences -IIntroduction to Biochemistry, Cell biology, Instrumentation skills I and II, Advanced Instrumentation skills, Human biology III - Lectures, Tutorials, supervision of literature review and students' research projects, presentation skills etc.
  • B.Sc. Pharm - part I and part III (Biochemistry), Lectures, Tutorials, supervision of literature review, students' research projects and lab supervision

Faculty of Applied Sciences (From 1999 to date)

  • B.Sc. (Special) degree in Botany - Part 11 (Protein structure-function, Plant Biochemistry) and Part 111 (Advanced Plant Biochemistry), - Lectures, tutorials, supervision of research projects
  • B. Sc. (Special) degree in Zoology- Part 111 (Nutrition Food Management)- Lectures and tutorials
  • M.Sc. in Food Science and Technology - (Advanced Food Biochemistry)- Lectures, tutorials, supervision of research projects

University of Colombo (From 2001 to 2015)

  • Diploma in Toxicology - (Food toxins) - Lectures

 

 

TEACHING RELATED ADMINISTRATION POSITIONS (University of Sri Jayewardenepura, Sri Lanka)


  • 2005 - 2009 Deputy Director - Staff Development Centre
  • 2006 - 2015 Co-ordintor - Animal house
  • 2003 - 2006 Student counsellor
  • 2006 - 2010 Co-ordinator - Biochemistry B.Pharm. course
  • 2007 - 2015 Co-ordinator Advanced Instrumentation course
  • 2004 - 2009 Advisor - Biochemistry Specialization
  • 2006 - 2013 Co-ordinator - Laboratory Orientation Course-Medical Laboratory Science Programme
  • 2006 - 2015 Convener - Gastro Intestinal Module, Faculty of Medical Sciences
  • 2006 - 2015 Member - Blood & Immune Module, Faculty of Medical Sciences
  • 2012 - 2015 Chairperson - Metabolism and nutrition module, Faculty of Medical Sciences
  • 2011 - to date Member - Senate
  • 2008 - to date Member - Curriculum development committee, Faculty of Medical Sciences
  • 2008 - to date Member - Board of Study Medical Sciences
  • 2012 - to date Member - Multidisciplinary Board of Study
  • 2012 - to date Member - Editorial Board, International Journal of Multidisciplinary Studies
  • 2008 - to date Member - Deans Advisory Committee, Faculty of Medical Sciences

 

 

POSTGRADUATE SUPERVISION COMPLETED


  • PhD of Ms. WMKM Rathnayake "Anti-inflammatory activity of Pshychotria sarmenthosa and Acronychia pedunculata - Graduated 2019
  •  M.Phil of Ms. K.D. Degambada. "Screening endophytes of Nothapodytes nimmoniana for feasible production of camptothecin, an anti-cancer agent" - Graduated 2018
  • PhD of Ms. K.A.A.U Karunarathna. "Hepatoprotective activity of polyherbal formulation against chemically-induced hepatotoxicity" - Graduated 2018
  • M.Phil of Ms T.D.C.K. Dissanayake. "Evaluating C. asiatica morphotypes for high yielding sources of asiaticoside (ASTC) and optimizing conditions for higher yields of ASTC A study of thermal and photochemical degradation of carotenoids" - Graduated 2017
  • Ph. D of Ms. D.D.D.H Alwis. Title of the thesis: Spectroscopic and photochemical properties of lycopene, β- carotene bixin, norbixin and their radical intermediates.- Graduated in 2016
  • M.Phil of Ms K.S.S.P. Fernando "A study of the chemistry of Artocarpus heterophyllus Lam.leaves and identification of active antioxidant and Hypoglycemic fractions/ compounds" - Graduated 2017
  • M.Phil of Ms. P.W.N.M. Colombagama: "Identification and quantification of glucosinolates in local Brassica species/varieties and study of the effect of cooking methods on in vitro accessibility of glucosinolate products". - Graduated 2011
  • PhD of Mr. Jagath Wansapala; "A study of carotenoids of mango fruits and mango-based products and their in-vitro bioavailability."- Graduated 2010
  • M.Phil of Tharangi Rajapaksha, "Development of tea tablet retaining heath properties".- Graduated 2015
  • MSc (Food Science and Technology)
    K.S.U. Perera, "Food values in different morphotypes of Centella asiatica L with special preference to iron and calcium content, M.A.D.V. Chandrapala, "Carotenoid s of different varieties of passion fruits" and J.M.M.P. Rathnawardhana, "Varietal differences among the carotenoid profiles of jackfruit varieties studied by HPLC-PDA" - Graduated 2010

 

 

PROFESSIONAL SOCIETIES / SERVICE / OTHER ACTIVITIES


  • Member - International Carotenoids Society
  • Member - Nutrition Society of Sri Lanka-Life
  • Fellow - Institute of Chemistry Ceylon and Charted Chemist - Life
  • Vice President and Council member - College of Biochemist of Sri Lanka - 2014 - to date
  • Member - Sri Lanka Association for the Advancement of Science (SLAAS) - Life
  • Member - Sri Lanka Federation of University Women - Life
  • Member - Senior Scientists Forum - NASTEC - Life
  • Member - Alumni Association University of Sri Jayewardenepura, Sri Lanka - Life
  • Member - Alumni Association Massey University, New Zealand - Life
  • Reviewer for British Journal of Applied Science and Technology, National Science Foundation - Sri Lanka, Journal of Food Science and nutrition, National Research Council - Sri Lanka, NARA Journal, International Journal of Multidisciplinary Studies, Journal of Taibah University for Science etc.

 

 

RESEARCH AND PUBLICATIONS


Publications in Refereed Indexed Journals

  1. Ratnayake WMKM, Suresh TS, Abeysekara AM, Salim N, Chandrika UG (2019). Acute anti-inflammatory and anti-nociceptive activities of crude extracts, alkaloid fraction and evolitrine from Acronychia pedunculata leaves. Journal of Ethnopharmacology, 238, 111827
  2. KSSP Fernando, UG Chandrika, AKE Goonathilake, MI Choudhary, Chayanika Padumadasa, AM Abeysekera (2018) In vitro Biological activities of the fraction of ethyl acetate fraction of the water extract of Artocarpus heterophyllus senescence leaves. International Journal of Pharmaceutical Science and Research 9(6) 2424-2430
  3. Akurange Sujeevi Dammadinna Wickramasinghe, Alahendra Acharige Navinda Kalpitha, Poruthotage Pradeep Rasika Perera and Udumalagala Gamage Chandrika. (2018)
  4. A preliminary study on estimated glycaemic index and microstructure of starch, in boiled Cucurbita moschate (Squash) found in Sri Lanka, International Journal of Advanced Research 6(6), 506-512
  5. Karunarathna Amila Ureshani, Udumalagala Gamage Chandrika, Padumadasa Chayanika, Seneviratne Bimalka, Abeysekera Ajit M. (2017). Hepatoprotective activity of LINK LIVECARETM in carbon tetrachloride and d-galactosamine-induced hepatotoxicity in ICR mice. International Journal of Research in Ayurveda and Pharmacy 8 (Suppl 1):91-96 http://dx.doi.org/ 10.7897/2277-4343.08146
  6. Fernando KSSP, Abeysekera AM, Padumadasa C, Goonathilake AKE, Choudhary MI, Rahman MH, Thadani VM, Chandrika UG. (2017). Hypoglyceamic activity of fractions of ethyl acetate fraction of the water extract of Artocarpus heterophyllus senescent leaves. International Journal of Ayurveda and Pharma Research, 5(2):1-6
  7. A.S.D Wickramasinghe, A A N Kalpitha, P.P Rasika Perera, U G Chandrika (2016) Effect of Traditional Cooking on In Vitro Bioaccessibility and Microstructure of β-Carotene and Starch, in Yellow-Fleshed Manihot esculenta. Journal of Food and Nutrition Sciences 4 (4), 91-97
  8. Dissanayake TDCK, Abeysekera AM, Salim N, Chandrika UG, Padumadasa C,(2016) Evaluation of Centella asiatica morphotypes for high yields of asiaticoside, Journal of Pharmacognosy and Phytochemistry 2016; 5(6): 451-454
  9. Alwis, D.D.D.H., Chandrika, U.G., Jayaweera, P.M., Spectroscopic studies of neutral and chemically oxidized species of β-carotene, lycopene and norbixin in CH2Cl2:
    Fluorescence from intermediate compounds. Journal of Luminescence 2015, 158 (0), 60-64.
  10. MA Siriwardhene, AM Abeysekera, UG Chandrika, AKE Goonetilleke, (2013) Antihyperglycemic effect and phytochemical screening of aqueous extract of Passiflora foetida (Linn.) on normal Wistar rat model. African Journal of Pharmacy and Pharmacology, 7 (45), 2892-2894
  11. UG Chandrika, N Salim, GDDJ Wijepala, KSU Perera and AKE Goonetilleke, (2011) Carotenoids and mineral content of different morphotypes of Centella asiatica L. (Gotukola). International Journal of Food Sciences and Nutrition, 62(5): 552-557.
  12. UG Chandrika, BMLB Basnayake, I Athukorala and PWNM Colombagama, AKE Goonetilleke (2010) Carotenoids content and in vitro bioaccessibility of lutein in some leafy vegetables popular in Sri Lanka.  Journal of Nutritional Science and Vitaminology. 203-207.
  13. MR Loizzo, R Tundis, UG Chandrika, AM Abeysekera, F Menichini, NG Frega, F Menichini (2010). Antioxidant and antibacterial activities on food borne pathogens of Artocarpus heterophyllus Lam. (Moraceae) leaves extracts. Journal of Food Science 75 (5) M291-M295.
  14. UG Chandrika, KSSP Fernando, KKDS Ranaweera (2009). Carotenoids content and in vitro bioaccessibility of lycopene from guava (Psidium guajava) and watermelon (Citrullus lanatus) by HPLC-DAD. International Journal of Food Sciences and Nutrition 60(7): 558-566
  15. AMB Priyadarshani, UG Chandrika (2007). The carotenoids of some selected Sri lankan non-leafy vegetables.  Journal of National Science Foundation. 35(4): 251-253.
  16. AMB Priyadarshani and UG Chandrika (2007) Content and in-vitro accessibility of pro-vitamin A carotenoids from Sri Lankan cooked non- leafy vegetables and their estimated contribution to vitamin A requirement. International Journal of Food Sciences and Nutrition. 58(8) 659-667.
  17. Mahawithanage, STC, Kanangara KKNP, Wickramasinghe R, Chandrika UG, Jansz ER, Karunaweera, ND and Wickramasinghe, AR (2007). Impact of vitamin A supplementation on health status and absenteeism of school children in Sri Lanka. Asian pacific Journal of Clinical Nutrition. 16 (1): 94-102.
  18. Madatuwa, TMJC, Mahawithanage, STC, Chandrika, UG, Jansz, ER and Wickremasinghe, AR (2006) Evaluation of the effectiveness of the national Vitamin A supplementation program among school children in Sri Lanka.British Journal of Nutrition 97 (1): 153-9
  19. Chandrika, UG Wedage, WS, Wickramasinghe SMDN and Fernando WS (2006). Hypoglycaemic activity of flavonoid fraction of Jack (Artocarpus heterophyllus) leaf. African Journal of Traditional and Complementary Medicine 3 (2): 42 - 50.
  20. Chandrika UG, Svanberg, U. and Jansz, ER. (2006). In vitro accessibility of beta-carotene from cooked Sri Lankan green leafy vegetables and their estimated contribution to vitamin A requirement. Journal of the Science of Food and Agriculture 86 (1): 54 - 61.   
  21. Chandrika, UG, Jansz, ER, and Warnasuriya, ND (2005) Analysis of carotenoids in ripe jakfruits (Artocarpus heterophyllus) kernel and study of their bioconversion in rats. Journal of the Science of Food and Agriculture 85: 186 - 190.
  22. Chandrika UG, Jansz ER and Warnasuriya, ND (2005). Analysis of -carotene and lutein in some leafy vegetables and effect of cooking on serum vitamin A formation from Alternanthera sessilis. (sinh. mukunuwanna). Journal of National Science Foundation Sri Lanka 33 (2): 141-145.
  23. Chandrika, UG, Jansz, ER and Warnasuriya, ND (2005).Identification and HPLC quantification of carotenoids of the fruit pulp of Chrysophyllum roxburgi. Journal of National Science Foundation Sri Lanka 33 (2): 93-98.
  24. Chandrika UG, Jansz ER, Wickramasinghe SMDN and Warnasuriya, ND (2003). Carotenoids in yellow and red-fleshed papaya. Journal of the Science of Food and Agriculture 83 (12): 1279 - 1282.

 

Publications in Refereed Non-Indexed Journals

  1. Chandrika UG (2005). Purification and partial characterisation of Glycosylated bovine alpha lactalbumin. Vidyodaya Journal of Science 12:71-76.
  2. Jayaweera, PM, Chandrika, UG, and Jansz, ER (2004). Computational evidence for the reactive non electrostatic, hydrophobic binding of beta-sitosterol with acyclic carotenes. Chemistry in Sri Lanka 22 (2): 15-17.
  3. Chandrika, UG, Fernando WS, Wickramasinghe SMDN and Wedage, WS (2004). Effects of proanthocyanidin and flavonoid fractions of jack leaves (Artocarpus heterophyllus) on the blood glucose levels in healthy male Wistar rats. Journal of Gampha Wickramarchchi Ayurevedic Institute 2(1):26-29.
  4. Chandrika UG (2001). Non- Covelantly attached Hexosamine-Hexose of Bovine alpha lactalbumin Journal of Science Eastern University of Sri Lanka 2(1):35-41.
  5. Chandrika UG, Norris GE (2000) Comparsion of analytical techniques for separation of N-linked oligosaccharides in a model glycoprotein (ribonuclease B). Journal of Science Eastern University of Sri Lanka, 2(1): 35-41.
  6. Mahatantila, K.C. and Chandrika, U.G., (1998). Chemical Investigation of Jack (Artocarpus heterophyllus) leaves used in the treatment of diabetes mellitus. Ayurveda Sameekshawa 50: 243 - 245.

 

 

RESEARCH AND PUBLICATIONS


A Full Papers

  1. Fernando KSSP, Abeysekera AM, Padumadasa C, Goonathilake AKE, Choudhary MI, Thadani VM, Chandrika UG. (2017) A study of the Chemistry of Artocarpus heterophyllus Lam leaves and Identification of active antioxidant and hypoglycemic fractions/compounds. Chemistry in Sri Lanka 34(3) 21-26. (extended abstract)(Kandiah Memorial Graduateship Award 2017)
  2. Fernando KSSP, Abeysekera AM, Choudhary MI, Goonathilake AKE, Padumadasa C, Rahman MH, Thadani VM, Chandrika UG. (2016). Megastigmanes from leaves of Artocarpus heterphyllus Lam. Chemistry in Sri Lanka 33(3) 28-30. (extended abstra ct) (Prof. MUS Sulthanbawa award 2016)
  3. Priyadarshani, A.M.B., Chandrika, U.G. and Jansz, E.R. (2006). Studies on the carotenoid content of different pumpkin (Cucurbita maxima) varieties found in Sri Lanka. International Symposium on Herbal Medicine, Phytopharmaceuticals and other natural products: Trends and Advances I. Chem C & NASTEC 2006 149 - 151
  4. Chandrika, U.G. (2005). Content, Bioacessibility, Bioavailability and Bioconversion of carotenoids in some Sri Lankan fruits and green leafy vegetables. Chemistry in Sri Lanka. 22 (3):15 - 17.

 

Extended Abstracts

  1. Ratnayake, W.M.K.M.,Suresh, T.S., Abeysekara, A.M., Salim, N., Chandrika, U.G., (2019), Acute, sub-acute and sub-chronic toxicity study of Psychotria sarmentosa leaves used in traditional porridge in Sri Lanka, 8thYoung Scientists Forum (YSF) Symposium, Page: 42 - 46.
  2. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, Chandrika, U.G., (2018), Prophylactic and therapeutic chronic anti-inflammatory effect of Acronychia pedunculata leaves on an adjuvant-induced arthritis rat model, 7th Young Scientists Forum (YSF) Symposium, Page: 114-117. (extended abstract)
  3. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, N., Chandrika, U.G., (2017), Prophylactic and therapeutic chronic anti-inflammatory effect of Psychotria sarmentosa leaves on an adjuvant-induced arthritis rat model, 6thYoung Scientists Forum (YSF) Symposium, Page: 116-119. (extended abstract)
  4. Ratnayake, W.M.K.M., Chandrika, U.G., Abeysekara, A.M., Suresh, T.S., Salim, (2016) Anti-histamine activity of aqueous extract and a macromolecular fraction of Psychotria sarmentosa leaves, 5thYoung Scientists Forum (YSF) Symposium, Page: 89-91.
  5. K.D. Degambada, N. Salim, U.G. Chandrika, A.M. Abeysekera and S. Wijesundara (2016) Variation in content of camptothecin, an anti-cancer agent, with the growth stage of Nothapodytes nimmoniana of Sri Lanka. Proceeding of Young Scientist forum symposium, 34-37.(extended abstract)
  6. Alwis, D.D.D.H.; Chandrika, U.G.; Jayaweera, P.M. (2015), The visible spectra of Self-assembled aggregates of β-carotene. Proceedings of the Annual Academic sessions of the Open University of Sri Lanka, p 65-68. (extended abstract)
  7. K.D. Degambada, N. Salim, U.G. Chandrika, A.M. Abeysekera and S. Wijesundara.(2013) Distribution and content of camptothecin, an anti-cancer agent in Nothapodytes nimmoniana of Sri Lankan origin. Proceeding of young Scientist forum symposium, 17-.20

 

Abstracts

  1. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, N., Chandrika, U.G., (2019), Acute anti-inflammatory activity of evolitrine isolated from Acronychia pedunculata leaves in Wistar rats, 6thAnnual Session of Sri Lanka Association for Laboratory Animal Science (SLALAS), Page: 47.
  2. K.A.A.U. Karunarathna, U.G. Chandrika, C. Padumadasa, B. Senevirathna and A.M. Abeysekera (2019) Hepatoprotective activity of LinkLive CareTM: A hepatoprotective polyherbal formulation. 6th Annual Session of Sri Lanka Association for Laboratory Animal Science (SLALAS), Page: 37.
  3. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, N., Chandrika, U.G., (2018), Anti-nociceptive activity of evolitrine isolated from Acronychia pedunculata leaves, Asian Symposium on Medicinal Plants, Spices and other Natural Products XVI, Page 111
  4. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, N., Chandrika, U.G., (2018), Inhibitory effect of the leaf extract of Acronychia pedunculata on prostaglandin E2 level of Wistar rats with chronic arthritis,1st Bi-annual Conference, College of Biochemists of Sri Lanka, Page 12.
  5. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, N., Chandrika, U.G., (2018), In-vitro and in-vivo antioxidant activity of Acronychia pedunculata leaves, 5th Annual Session of Sri Lanka Association for Laboratory Animal Science (SLALAS), Page: 35.
  6. Wijayapala UGS, Samarasinghe SD, Chandrika UG (2018) Imparting mosquito repellent property to fabric through silver nanoparticles biosynthesised from Citronella oil. Australia and New Zealand Nano and Microfluidics (ANZNMF) conference, 2018, University of Auckland, New Zealand, 27-29 June 2018.
  7. Karunarathna KAAU. Chandrika, UG, Senevirathna B, Padumadasa, C, Tennakoon TMSG and Abeysekera AM (2018) Hepatoprotective activity of Vernonia cinerea against CCl4 induced hepatotoxicity in ICR mice, 6th International Conference on Ayurveda, Unani, Siddha and Traditional Medicine (iCAUST 2018), page 30.
  8. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, Chandrika, U.G., (2017), Nitric oxide scavenging activity of Acronychia pedunculata leaves, 8th International Conference of LASA India, Page: 55.
  9. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, N., Chandrika, U.G., (2017), Anti-inflammatory activity of Psychotria sarmentosa leaves, 64th Annual Meeting of Japanese Association for Laboratory Animal Science (JALAS), Page: S35
  10. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, N., Chandrika, U.G., (2017), Nitric oxide scavenging activity of aqueous extract of Psychotria sarmentosa leaves, 4th Annual Secession of Sri Lanka Association for Laboratory Animal Science (SLALAS), Page: 35.
  11. K.A.A.U. Karunarathna, U.G. Chandrika, C. Padumadasa, B. Senevirathna and A.M. Abeysekera (2017), Hepatoprotective activity of LinkLive CareTM against paracetamol-induced hepatotoxicity in female mice. Transmed International 2017-Sri Lanka, page 108.
  12. K.A.A.U. Karunarathna, U.G. Chandrika, C. Padumadasa, B. Senevirathna and A.M. Abeysekera (2017), Antioxidant activity of LinkLive CareTM; A hepatoprotective polyherbal formulation. Transmed International 2017-Sri Lanka, page 180.
  13. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, Chandrika, U.G., (2016), Sub chronic anti-inflammatory activity of Acronychia pedunculata leaves on formaldehyde-induced rat hind paw oedema model, 4th International Conference on Ayurveda, Unani, Siddha and Traditional Medicine (ICAUST), Institute of Indigenous Medicine, University of Colombo, Page: 86
  14. Ratnayake, W.M.K.M., Suresh, T.S., Abeysekara, A.M., Salim, Chandrika, U.G., (2016) Anti-nociceptive activity of Acronychiapedunculata leaves, International Conference on Multidisciplinary Approaches (iCMA), Faculty of Graduate Studies, University of Sri Jayewardenepura, Page: 26.
  15. Ratnayake, W.M.K.M., Chandrika, U.G., Suresh, T.S., Abeysekara, A.M., Salim, (2016) Anti-inflammatory activity of Acronychia pedunculata leaves, Annual International Research Sessions of the University of Peradeniya( iPURSE ), Page: 342.
  16. Ratnayake, W.M.K.M., Chandrika, U.G., Suresh, T.S., Abeysekara, A.M., Salim, (2016), Anti-histamine activity of Acronychia pedunculata leaves, 9th International Research Conference, General Sir John Kotelawala Defence University, Page: 233.
  17. Ratnayake, W.M.K.M., Chandrika, U.G., Suresh, T.S., Abeysekara, A.M., Salim, (2016) In-vitro and in-vivo antioxidant activity of aqueous extract of Psychotria sarmentosa leaves, Wayamba International Conference (WINC), Wayamba University of Sri Lanka, Kuliyapitiya, Page: 178.
  18. Ratnayake, W.M.K.M., Chandrika, U.G., Suresh, T.S., Abeysekara, A.M., Salim,(2016) Anti-nociceptive activity of aqueous extract of Psychotria sarmentosa leaves, 25th Anniversary Scientific International Conference, Faculty of Medicine, University of Kelaniya, Page: 114.
  19. Ratnayake, W.M.K.M., Chandrika, U.G., Suresh, T.S., Abeysekara, A.M., Salim, (2016) Anti-inflammatory activity of aqueous extract of Psychotria sarmentosa on acute and chronic inflammatory animal (Wistar rat) models, 3rd Annual Secession of Sri Lanka Association for Laboratory Animal Science (SLALAS), Page: 22.
  20. Fernando KSSP, Abeysekera AM, Goonathilake AKE, Padumadasa C, Chandrika UG Choudhary MI.(2016) Biological activity studies of Artocarpus heterophyllus Lam. Leaves. Second international conference on natural product genomics and drug discovery, 23- 24
  21. Fernando KSSP, Abeysekera AM, Choudhary MI, Goonathilake AKE, Padumadasa C, Thadani VM, Chandrika UG. (2016) In vitro antioxidant, antiglycation and α-glucosidase inhibitory activities of the ethyl acetate soluble fraction of water extract of Artocarpus heterophyllus Lam. leaves, Institute of Chemistry- Forty-fifth annual sessions 2016, A-02
  22. Ratnayake, K.M., Chandrika, U.G., Abeysekera, A.M., Suresh, S., Salim, N., Wijesundara, S.A., (2015), Evaluation of anti-inflammatory activity of Psychotria sarmentosa leaves used in traditional porridge in Sri Lanka, Asian Congress of Nutrition 2015 , Yokohama, Japan (ACN 2015), PS-02-a-183
  23. Chandrika, U.G., (2015), Influence of dietary lipids on bioaccessibility and bioavailability of carotenoids, Asian Congress of Nutrition 2015, Yokohama, Japan (ACN 2015), SY29-01
  24. Dusantha Alwis.; Dilru Ratnaweera.; Thusith Etampawala.; Mark Dadmun.; Udumalagala Chandrika; Pradeep Jayaweera.; (2015) Self-Assembly of Carotenoids During Solution Casting of Solar Devices, American Physical Society MAR15 Meeting., 60 (2)
  25. K.A.A.U. Karunarathna, A.M., Abeysekera, U.G. Chandrika, B. Senevirathna, C. Padumadasa and T.M.S.G.Tennakoon (2015) Efficacy and safety evaluation of a new hepatoprotective polyherbal formulation in ICR male mice, 2ndAnnual Sessions, Sri Lanka Association for Laboratory Animal Science.
  26. K.A.A.U. Karunarathna, A.M. Abeysekera, U.G. Chandrika, B. Senevirathna, C. Padumadasa and T.M.S.G.Tennakoon (2014), Safety evaluation of a new polyherbal formulation in ICR male mice, the International Conference on Multidisciplinary Approaches, University of Sri Jayewardenepura.
  27. Gunathilaka, M.D.C.L., Chandrika, U, G., Goonetilleke, A.K.E., Abrykoon, R., (2014), Development and validation of the UV spectrophotometric method for simultaneous estimation of salmeterol xinafoate and fluticasone propionate in bulk dose form, International Conference on Applied Chemistry, Fiji National University, Suva, Fiji, P.77
  28. Chandrika U Gamage, Nilanka M Colombagama, KKDS Ranaweera (2013). Identification and quantification of Glucosinolates in Sri Lankan Brassicaceae family vegetables. 40th International Symposium on HPLC 2013, 18-21 November 2013 at the Hotel Grand Chancellor, Hobart, Tasmania, Australia
  29. D.D.D.H.Alwis, U.G.Chandrika and P.M. Jayaweera (2013) Absorption and Emission Properties of Lycopene, β-Carotene, Norbixin and their Chemically Oxidized Species, Chemistry in Sri Lanka, 30 (2): 13
  30. A.M. Abeysekara, KAAU Karunarathna, U.G. Chandrika and B. Seneviratne, C. Padumadasa and TMSG Tennakoon (2013). Hepato-protective activity of a polyherbal formulation against CCl4 induced acute hepatotoxicity in ICR mice. Sri Lanka Association for the Advancement of Science, Proceedings of the 69th Annual session -Part 1, page 151.
  31. Wanigasuriya K, Chandrika U.G., Goonarathne J., Herath C., Perera P.P.R., Wijayatunga N.N. (2013). Abnormal serum retinol and α tocopherol levels in a sample of Sri Lankan patients on regular hemodialysis. Annual sessions of Nutrition Society of Sri Lanka 2013, page 31
  32. Fernando KSSP, Abeysekera AM, Chandrika UG, Goonathilake AKE, Padumadasa C., Hypoglyceamic and antioxidant activities of fractions obtained from the ethyl acetate fraction of water extract of Artocarpus heterophyllus leaves”. International Conference on Chemical Sciences, 20-22 June 2012, Sri Lanka Foundation Institute, Colombo 7, Page 85.
  33. T.S. Guruge, L.A. Jayaweera, U.G. Chandrika and P.M. Jayaweera (2012). A Kinetic Study of Photodegradation of β-Carotene in Water/Ethanol Solutions. International Conference on Chemical Sciences, 20-22 June 2012, Sri Lanka Foundation Institute, Colombo 7, Page 120.
  34. Salim, N., Chandrika U.G, Abeysekera, A.M and Senanayeka, S.M.C (2011) Microbial production of a plant alkaloid, camptothecin: a promising anticancer agent-(201I)-Proceedings of the IFS-IFASSA- International Symposium on Natural product and their applications in health and agriculture, IFS, Kandy, Sri Lanka (3-8 October 2011) -page 94.
  35. G.A. Ranasinghe, N. Salim, U.G. Chandrika, A.M. Abeysekera (2011). Accumulation of camptothecin (CPT) in Ophiorrhiza mungos L and the influence of climatic conditions on CPT content, Proceedings of the Sri Lanka Association for the Advancement of Science, 67(1), 44.
  36. G.A. Ranasinghe, N. Salim, U.G. Chandrika, A.M. Abeysekera (Sri Lanka) Efficacy of Two Different Methods of Extraction of Camptothecin from Ophiorrhiza mungos-(201I) Proceedings of the IFS-IFASSA- International Symposium on Natural product and their applications in health and agriculture, IFS, Kandy, Sri Lanka (3-8 October 2011) -page 62.
  37. M.A. Siriwardhene, A.M. Abeysekera, U.G. Chandrika, A.K.E. Goonetilleke. Hypoglycemic and hypolipidemic effects of the methanolic extract of Costus speciosus (Koen) Sm., leaf extract in Alloxan-induced diabetic rats-(201I)-Proceedings of the IFS-IFASSA- International Symposium on Natural product and their applications in health and agriculture, IFS, Kandy, Sri Lanka-page 68.
  38. Mudalige, TSR, Abeysekera AM, Chandrika, UG, Goonetilleke AKE (2011). Comparison of the antioxidant potential of a cup of instant black tea with that of an organoleptically equivalent cup of brewed black tea Chemistry in Sri Lanka, 28(2): 19.
  39. Perera KSU, Salim N, Chandrika, UG (2010). Food values in different morphotypes of Centella asiatica L. (Gotukala) with special preference to mineral content. Proceedings of the Sri Lanka Association for the advancement of Science, 66 (1): 75.
  40. Liyanage PLDW, Chandrika UG (2010). Lipid lowering effect of anthocyanin rich extract from Syzygium cumini in a hypercholestrolaemic rat model. Annual Scientific Sessions, Faculty of Medical Sciences, University of Sri Jayewardenepura. 2010, 11-12 December 2010: OP14.
  41. Abeysekara, AM, Chandrika, UG, Gunaherath GMKB and Ranasinghe C. (2009). Ayurvedic medicinal oils: octanol-water partition coefficients of some compounds found in “Pinda” oil. Proceedings of the Sri Lanka Association for the advancement of Science, 65 (1): 131.
  42. Wansapala, MAJ, Chandrika, UG, Ranaweera KKDS and Bamunuarchchi A (2009) Content and in vitro bio-accessibility of β -carotene from three mango fruit varieties 50th Anniversary Academic conference,11-12 December 2009, University of Sri Jayewardenepura
  43. Senanayake SMC, Salim, N, Chandrika UG and Abeysekara AM (2009). Isolation of an endophytic fungus from Ophiorhiza mungos L. (Rubiaceae), producing camptothecin, an anticancer agent. Proceedings of the Sri Lanka Association for the Advancement of Science, 65 (1): 95.
  44. Chandrapala MADV and Chandrika UG Identification of carotenoids from yellow passion fruits found in Sri Lanka (2008). Proceedings of the Sri Lanka Association for the advancement of Science, 64 (1).
  45. Wansapala, MAJ, Chandrika, UG, Ranaweera KKDS and Bamunuarchchi A (2008) Content and in vitro bio-accessibility of β -carotene from two mango fruit varieties. Proceedings of the Sri Lanka Association for the advancement of Science, 64 (1).
  46. Chandrika, U.G., Fernando, K.S.S.P., Ranaweera, K.K.D.S., (2007), 63rd Annual sessions, Sri Lanka Association for the Advance of Science, 203
  47. Wickramasinghe, I., Ranaweera, KKDS., Chandrika, UG, Bamunuarchchi, A. and Wijesinghe I.D., (2007) Iron content and in vitro iron availability in cooked Sardinella melanura (salaya) and Caranx spp. “International Conference on Tropical Aquatic research towards Sustainable Development” , 15th-16th February 2007 in Colombo, Sri Lanka.
  48. Wansapala, MAJ, Chandrika, UG, Ranaweera, KKDS and Bamunuarachchi A. (2007) Extraction, Separation and identification of karthacolamban mango fruit carotenoids Institute of Chemistry, Chemtech 2007, Colombo, Sri Lanka, page 62
  49. Fernando KSSP, Chandrika UG. And Ranaweera KKDS (2007). Cantaloupe Melon as a Solution for Vitamin A Deficiency Sri Lanka Association for the advancement of Science, 63(1): 202
  50. Wickramasinghe, I., Ranaweera, KKDS., Chandrika, UG, Bamunuarchchi, A. and Wijesinghe I.D., (2007) iron content and in vitro availability in cooked Sardinella melanura, Sadinella albella, Carnax spp. and Exocoetus volitans Food the Challenges NZIFST conference 2007, Wellington, NZ 9-21, June.
  51. Chandrika UG. Fernando KSSP, And Ranaweera KKDS (2007). Cantaloupe Melon as a Solution for Vitamin A Deficiency.  Sri Lanka Association for the advancement of Science,63(1): 202.
  52. Wickramasinghe, I, Ranaweera, KKDS, Chandrika UG and Bamunuarchchi A (2007) Content and in vitro availability of iron in cooked Kowala coval and Exocoetus volitans. Proceedings of the Sri Lanka Association for the advancement of Science, 63 (1): 42.
  53. Priyadarshani, AMB, and Chandrika, UG (2006). Effect of cooking methods on the in vitro accessibility of carotenoids of yellow-fleshed sweet potatoes found in Sri Lanka. Bioavailability 2006,7-10 March 2006, Chiang Mai, Thailand
  54. Fernando KSSP, Chandrika UG and KKDS Ranaweera (2006) Carotenoids from two different varieties of emberella (Spondias ceytherea and Sphondias dulcis). Proceedings of the Sri Lanka Association for the advancement of Science, 62 (1) : 200.
  55. Colombagama, PWNM, Chandrika UG and Ranaweera KKDS (2006) Identification and quantification of carotenoids of Welkohila leaves (Syngonium angustatum). Proceedings of the Sri Lanka Association for the advancement of Science, 62(1): 112.
  56. Colombagama, PWNM, Ranaweera, KKDS, Chandrika UG (2006) Study of Nutritional quality changes of blast frozen pitasudusarana (Boerhavia diffusa) 5th Annual Academic Sessions, Faculty of Medical Sciences, University of Sri Jayewardenepura. 8.
  57. Priyadarshani, AMB., Chandrika, UG and Jansz, ER. (2005). In vitro accessibility of pro-vitamin A carotenoids from cooked carrots (Daucus carota) and their estimated contribution to vitamin A requirement. Chemistry in Sri Lanka, 22 (3): 22.
  58. Weerasekara, DBCR, Mahawithanage, STC., Chandrika, UG. (2005). A preliminary study on zinc status and selected pregnancy outcomes of early pregnant mothers. 03rd Symposium on Food and Nutrition, Wayamba University, Sri Lanka.
  59. Chandrika, UG, and Jansz, ER. (2004). Carotenoid composition of Lavalu. Chemistry in Sri Lanka, 21 (2): 19.
  60. Chandrika, UG and Jansz, ER (2004). HPLC Quantification of beta-carotene and lutein in some green leafy vegetables commonly used in Sri Lanka. Chemistry in Sri Lanka, 21 (2): 20.
  61. Chandrika, UG., Svanberg, U. and Jansz, ER. (2004). Content and in vitro accessibility of beta-carotene cooked green leafy vegetables from Sri Lanka.  Report of the XX1I International Vitamin A Consultative Group Meeting in Peru, 15-17 November 2004: 30
  62. Mahawithanage, STC., Chandrika UG., Wickramasinghe, AR. and Karunaweera, ND. (2004). Impact of vitamin A supplementation on health status and absenteeism of school children in Sri Lanka. Report of the XX1I International Vitamin A Consultative Group Meeting in Peru, 15-17 November 2004: 70
  63. Madatuwa, TMJC, Mahawithanage STC., Chandrika, UG and Wickramasinghe, AR (2004). Evaluation of the national vitamin A supplementation program in school children in rural areas of Sri Lanka.  Report of the XX1I International Vitamin A Consultative Group Meeting in Peru, 15-17 November 2004: 70
  64. Chandrika, UG, Jansz, ER., Wickramasinghe, SMDN. And Warnasuriya, ND. (2003) Carotenoid composition of ripe jack fruits (Artocarpus heterophyllus). Chemistry in Sri Lanka,20 (2) : 8.
  65. Chandrika, UG, Fernando, WS., Wickramasinghe SMDN. and Wedage, WS. (2002). Anti-diabetic and antioxidant activities of Jack (Artocarpus heterophyllus) leaves. Proceedings of the Sri Lanka Association for the advancement of Science, 58 (1): 249.
  66. Ekanayake, S. and Chandrika UG (2002). Antioxidant and hypocholestrolemic activities of palmyrah (Borassus flabillifer L) fruit. Proceedings of the Sri Lanka Association for the advancement of Science, 58 (1): 4.
  67. Chandrika, UG, Jansz, ER. And Uduwaluge., I. (2002). Preliminary bioconversion trials of carotenoids from palmyrah (Borassus flabelifer L.) fruit. Chemistry in Sri Lanka, 19 (2): 19 - 20.
  68. Samarasinghe, I., Chandrika, UG. And Jansz, ER. (2001). Some studies on the carotenoids and flabelliferins of Palmyrah fruit pulp. Proceedings of the Sri Lanka Association for the advancement of Science, 57 (1): 253.
  69. Chandrika, UG, Jansz, ER., Wickramasinghe, SMDN and Warnasuriya, ND. (2001).Separation, identification, and Quantification, of carotenoids of two major varieties of Carica papaya grown in Sri Lanka using MPLC. Proceedings of the Sri Lanka Association for the advancement of Science, 57 (1): 254.
  70. Nikawala, J.K., Jansz, E.R., Wijerathne, S.C., Abeysekara, A.M., and Gamage, U.C., (1998). Studies on chemistry and bioactivity of the flabelliferins, steroidal saponins from palmyrah (Borassus flabellifer L.). Chemistry in Sri Lanka, 15 (1): 6.
  71. Mahatantila, K.C., Chandrika, U.G., (1994). Chemical Investigation of Jack (Artocarpus heterophyllus) leaves used in the treatment of diabetes mellitus. Proceedings of the Sri Lanka Association for the advancement of Science, 50: 261 - 262.

 

 

CHAPTERS IN BOOKS


  1. UG Chandrika, PAASP Kumara (2015), Gotu Kola (Centella asiatica): Nutritional properties and plausible health benefits. Advances in food and nutrition research 76, 125-157 Publisher - Elsevier,UK
  2. Chandrika U.G., 2009. Carotenoid Dyes - properties, In Handbook of Natural Colorants. Edited by Thomas and Rita Mussak. John Wiley and Sons Ltd, UK
  3. Chandrika U.G., 2009. Carotenoid Dyes - production, In Handbook of Natural Colorants. Edited by Thomas and Rita Mussak. John Wiley and Sons Ltd, UK