Prof. N. A. K. P. J. Seneviratne

Prof. N. A. K. P. J. SeneviratneSenior Professor

Email Address	:	kapilas@kln.ac.lk
Telephone (Office)	:	+94 (0)11 2 903 263 (ext: 263)
Office Location	:	B1 338/4
Teaching	:	Inorganic Chemistry, Food Chemistry, Physical Methods in Chemistry, Analytical Chemistry
Office hours available for students.
Google Scholar \| Research Gate

Research Interests:

Quality improvement of coconut oil, antioxidant properties of coconut oil and other edible oils, investigation of the potential of unconventional edible oils as sources of essential fatty acids.

Evaluation of diagnostic and prognostic molecular markers such as oxidative stress markers in endemic infectious diseases like Dengue and Scrub Typhus.

Evaluate the effect of fatty acid chain length on fatty acid-mediated absorption of small molecules.c

Evaluate the in vitro and in vivo effect of antioxidants on oxidative stress induced macromolecular damage to assess the potential as food preservatives.

Teaching Interests:

Awards

Selected Recent Research Publications:

Research Articles

Karunasiri A N; Senanayake C M; Hapugaswatta H; Jayathilaka N; Seneviratne K N. (2020). Protective Effect of Coconut Oil Meal Phenolic Antioxidants against Macromolecular Damage: In Vitro and In Vivo Study. Journal of Chemistry DOI: 10.1155/2020/3503165
Karunasiri A N, Gunawardane M, Senanayake C M, Jayathilaka N, Seneviratne K N, (2020) Antioxidant and Nutritional Properties of Domestic and Commercial Coconut Milk Preparations, International Journal of Food Science, Vol 2020, doi.org/10.1155/2020/3489605
Hapugaswatta, H., Amarasena, P., Premaratna, R., Seneviratne, K. N., Jayathilaka, N. (2020). Differential expression of microRNA, miR150 and enhancer of zeste homolog 2 (EZH2) in peripheral blood cells as early markers of severe forms of Dengue, Journal of Biomedical Science. 27:25, https://doi.org/10.1186/s12929-020-0620-z
Senanayake C M, Algama C H, Wimalasekara R L, Weerakoon W. N. M. T. D. N., Jayathilaka N, Seneviratne K N (2019) Improvement of Oxidative Stability and Microbial Shelf Life of Vanilla Cake by Coconut Oil Meal and Sesame Oil Meal Phenolic Extracts. Journal of Food Quality. Article ID 1263629, Volume 2019

Chathuri M Senanayake, Harsha Hapugaswatta, Nimanthi Jayathilaka and Kapila N. Seneviratne. Phenolic extracts of the leaves of Psidium guineense Sw. improves the shelf life of sunflower oil and baked cake and antioxidant status of Wistar rats. Journal of food Biochemistry. (in print) https://doi.org/10.1111/jfbc.12632

Senanayake C M, Hapugaswatte H, Jayathilaka N, Seneviratne K N (2018) Phenolic extracts of the leaves of Psidium guineense Sw. improve the shelf life of sunflower oil and baked cake and antioxidant status of Wistar rats. Journal of Food Biochemistry. https://doi.org/10.1111/jfbc.12632

Prasadani WC, Senanayake C M, Jayathilaka N, Ekanayake S, Seneviratne KN (2017), Effect of three edible oils on the intestinal absorption of caffeic acid: An in vivo and in vitro study. PloS one. Vol 12, Issue 6, e0179292

Seneviratne K.N.*, W.C. Prasadani and B.M. Jayawardena. Phenolic extracts of coconut oil cake: a potential alternative for synthetic antioxidants. Food Science and Technology, 2016, 36(4), 591-597.

Nadeeshani R, Wijayaratna U N, Prasadani W C, Ekanayake S, Seneviratne K N, Jayathilaka N* (2015) Comparison of the Basic Nutritional Characteristics of the First Extract and Second Extract of Coconut Milk, International Journal of Innovative Research in Science, Engineering and Technology. Vol 4, Issue 10, pp. 9516 – 9521

Waraho, T., V. Cardenia, Y. Nishino, K.N. Seneviratne, M.T. Rodriguez-Estrada, J.D. McClements and E.A. Decker. Antioxidant effects of mono- and diacylglycerols in non-stripped and stripped soybean oil-in-water emulsions, Food Research International, 2012, 48, 353–358.

Seneviratne, K.N.*, R.T. Kotuwegedara and S. Ekanayake. Serum cholesterol and triglyceride levels of rats fed with consumer selected coconut oil blends. International Food Research Journal, 2011, 18(4): 1303-1308.

“Comparison of the phenolic dependent antioxidant properties of coconut oil extracted under cold and hot conditions,” K.N. Seneviratne, C.D. Hapuarachchi, and S. Ekanayake, Food Chem., 2009, 114, 1444-1449.

“Canarium zeylanicum seed oil: An edible oil with beneficial qualities,” K.N. Seneviratne, and R.T. Kotuwegedara, Int. J.Food Sci. Techol., 2009, 44, 792-798.

“Phenolic dependence of antioxidant properties of the methanolic extracts of seed oils and seed hulls of five plant species, K.N. Seneviratne, and R.T. Kotuwegedara, Food Sci Technol. Int. 2009, 15, 419-425.

“Variation of phenolic content in coconut oil extracted by two conventional methods,” K.N. Seneviratne, and D.M.S. Dissanayake, Int. J.Food Sci. Techol. 2008, 43, 597-602.

Books

Seneviratne K N, Jayathilaka N (2016) Coconut Oil: Chemistry and Nutrition, Lakva Publishers, Battaramulla, Sri Lanka.

Books Chapters

Analysis of phenolic antioxidants in coconut cake by high performance liquid chromatography (HPLC),”, Herbal Medicine, Phytopharmaceuticals and other natural products: Trends and advances, 2006 1st Ed. ISBN: 955-9244-30-2, pp 162-166.

Seneviratne K N, Jayathilaka N (2015) Corn and Coconut Oil: Antioxidant Properties, Uses and Health Benefits, Chapter 6, pp. 103-130, Production Methods and Coconut Oil Quality, Nova Science Publishers, Inc.

Patents

Improvement of the quality of coconut oil by incorporation of antioxidants from coconut cake,” N. Seneviratne, and D.M.S. Dissanayake, Sri Lanka Patent No. 13995, 2006.

A method for improving the shelf life and oxidative stability of edible oils, bakery products and other commercial human and animal food products using coconut oil cake (poonac) extracts (patent pending; submitted in 2017)

A Method for improving the shelf life and oxidative stability of bakery products using Psidium guineense Sw. leaf extract. (Sri Lanka patent No. 19796, 2018)