kosala

 

Mr. Kosala   Anuradha Samarasingha

Assistant Research Technologist

Herbal Technology Section  

 

Qualifications

 

Diploma in Laboratory Technology in Chemistry Merit (I.Chem.C)

 

Contacts

Tel:   94 011 2797327 Ext- 6106                                               Email:This email address is being protected from spambots. You need JavaScript enabled to view it.

Specialized Fields

  • Analysis of herbal drugs & cosmetics
  • Phytochemical and physicochemical properties of herbal plants
  • Preparation of herbal tea
  • Analysis of Spice ,Essential oils and Balm
  • Analysis of Sanitizer and Cologne

Interest Areas       

  • Research and development activities on standardization of medicinal plants
  • Research and development work on         spice, essential oils,

Publications & Communications

Publication    

  1. Siriwardane D.A.S, Dharmadasa, R.M.,and Kosala Samarasinghe., (2013). Distribution of withaferin A, an anticancer potential agent, in different parts of two verities of Withania somnifera (L.) Dunal. grown in Sri Lanka. Pakistan Journal of Biological Sciences. 16 (3) 141-144. Available at: http://scialert.net/abstract/?doi=pjbs.2013.141.144
  2. R.M.Dharmadasa, Samarasinghe K, Adhihetty P, and Hettiarachchi P.L. (2013) Comparative Pharmacognostic Evaluation ofMunronia Pinnata (Wall.) Theob. (Meliaceae) and Its Substitute Andrographis paniculata (Burm.f.) Wall. Ex Nees (Acanthaceae). World Journal of Agricultural Research 1, no. 5: 77-81.http://pubs.sciepub.com/wjar/1/5/1/index.html#. Ugu 733 vZiWV
  3. Abeysiri, G. R. P. I., Dharmadasa, R. M. Abeysinghe, D. C. and         K. Samarasinghe (2013). Screening of phytochemical, physico- chemical and bioactivity of different parts of Acmella oleraceae Murr. (Asteraceae), a natural remedy for toothache. Ind. Crops Prod. 50:852—856.                          Ava. at: http://www.sciencedirect.com/science/article/pii/S0926669013004603
  4. Dharmadasa, R.M., Asitha Siriwardana, Kosala Samarasinghe, and Adhihetty, P. (2013). Standardization of Gyrinops Walla Gaertn. (Thymalaeaceae): Newly Discovered, Fragrant Industrial Potential, Endemic Plant from Sri Lanka. World Journal of Agricultural Research 1, No. 6: 101-103. doi: 10.12691. Available online at: http://pubs.sciepub.com/wjar/1/6/1
  5. Dharmadasa, R.M., Rathnayake, R.M.D.H.,   Abeysinghe, D.C., Rashani, S. A. N. Samarasinghe, K. and Attanayake, A.L.M , 2014 . “Screening of Local and Introduced Varieties of Pogostemon heyneanus Benth. (Lamiaceae), for Superior Quality Physical, Chemical and Biological Parameters.” World Journal of Agricultural Research, vol. 2, no. 6 (): 261-266. doi: 10.12691/wjar-2-6-2.available http://pubs.sciepub.com/wjar/2/6/2/index.html
  6. Luxmini. K.P.A.M.K,, Dharmadasa. R.M, Samarasinghe, K. Muthukumarana. P.R.M. 2015.Comparative Pharmacognostic Study of Different Parts of Withania somniferaand its Substitute Ruellia tuberosaWorld Journal of Agricultural Research 3, (1) : 28-33. Available at http://pubs.sciepub.com/wjar/3/1/7/index.html
  7. Dharmadasa, R.M., Siriwardhane, D.A.S., Samarasinghe, K. S.H.C.S. Rangana S.H.C.S., Nugaliyadda, L., Indika Gunawardane, Aththanayake, A.M.L. 2015. Screening of Two Ocimum tenuiflorum L. (Lamiaceae) Morphotypes for their Morphological Characters, Essential Oil Composition and Fruit Fly Attractant Ability.World Journal of Agricultural Research 3.1 1-4. http://pubs.sciepub.com/wjar/3/1/1/index.html
  8. Kulathunga, R.D.H., Gunarathna, E.D.T.P., Jayawardhana, N.D.N., De Silava R.H.S.K., Ranasinghe R.L.D.S., Faisulhaq, M.H., Samarasinghe, U.K.A., Arawwawala, L.D.A.M. (2019). Phytochemical and physico-chemical comparison: Sri Lankan and Indian varieties of Hemidesmus indicus R. Br Roots. International Journal of Ayurveda. 4 (5), 1-4.

Communication

  1. Dharmadasa, R.M., Siriwardane, D.A.S, Samarasinghe K., 2012. Comparative analysis of the essential oils of two Ocimum sanctum L. (Lamiaceae) morphotypes grown in Sri Lanka. Proc. 68th Annual Sessions of the Sri Lanka Association for Advancement of Science (SLAAS).
  2. K.P.A.M.K.Luxmini, R.M. Dharmadasa, K. Samarasinghe. (2013). Comparative pharmacognostic aspects of Withania somnifera and Ruellia tuberosa. Proc. first International Conference on Unani, Ayurveda, Siddha and Traditional Medicine, 36.
  3. Siriwardane D.A.S, Dharmadasa, R.M., Samarasinghe K, 2012. Distribution of withaferin A, an anticancer potential agent, in different parts of two verities of Withania somnifera (L.) Dunal. grown in Sri Lanka. Proc. INSYM 2013.
  4. Abeysiri, G. R. P. I., Dharmadasa, R. M. and D. C. Abeysinghe and K Samarasingha (2013). Standardization of different parts of Acmella oleraceae Murr. (Asteraceae), in terms of phytochemical, physicochemical and bioactive properties. Proc. 69th Annual Sessions of the Sri Lanka Association for Advancement of Science (SLAAS).P 36.
  5. Adhihetty P, R.M.Dharmadasa, Samarasinghe K, and Hettiarachchi P.L. (2013). Phytochemical, physicochemical and antioxidant activity ofMunronia Pinnata (Wall.) Theob. (Meliaceae) and Andrographis paniculata (Burm.f.) Wall. Ex Nees (Acanthaceae). Proc. 69th Annual Sessions of the Sri Lanka Association for Advancement of Science (SLAAS).P 269.
  6. Perera, H.A.R.P., Karunagoda, K., Perera, P.K., Samarasingha, K., Arawwawala, L.D.A.M. (2015). Phyllanthus niruru Linn grown in Sri Lanka: Proceedings of National Conference  on Indigenous systems of medicine-2015. Bandaranaike Memorial Ayurvedic Research Institute, Maharagama. p.75.
  7. Karunaratne, T.D.N., Sugataratana, K., Ariyawansa, H.A.S., Silva, H.A.D., Samarasingha, K., Arawwawala, L.D.A.M. (2015). Standardization of Sarasvatha Choorna: Used as a remedy for dementia. Proceedings of 3rd International Conference on Ayurveda, Unani, Siddha & Traditional Medicine (ICAUST 2015), Institute of Indigenous Medicine. p. 6.
  8. Arawwawala, L.D.A.M., Samarasingha, K., Binduhewa, A.M.C.U., Madushini, B.G.M. (2016). Development of herbal tea with selected medicinal plants and evaluation of its physic-chemical parameters. Proceedings of International Conference on Ayurveda, Unani, Siddha and Traditional Medicine, 4th ICAUST. pp.219
  9. Karunarathne, Y.A.U.D., Amarasinghe, A.P.G., Samarasinha, U.K.A., Arawwawala, L.D.A.M. (2017). Asparagus racemosus (Wild) of Sri Lankan origin: Physico- chemical  and nutritional profiles of root powder. Sri Lanka Association for the Advancement of Science Proceedings of the 73rd Annual Sessions- 2017. p.133.
  10. Nupearachchi, C.N., Perera, V.P.S., Samarasingha, K.A., Arawwawala, L.D.A.M. (2017). Analysis of selected varieties of banana piths as electrolyte in bio-batteries. International conference on Ayurveda, Unani, Siddha and Traditional Medicine (5th ICAUST 2017), Sri Lanka.p.217.
  11. Perera, H.A.R.P., Karunagoda, K., Perera, P.K., Samarasingha, K., Arawwawala, L.D.A.M. (2017). A randomized single blind comparative trial to evaluate the efficacy of whole plant of Phyllanthus niruri Linn crude powder with Pushyanuga Churna in the management of Rakta Pradara due to Dysfunctional Uterine Bleeding (DUB).  Salakya Sandipani 2017, Gampaha Wickramarachchi Ayurveda Institute, Sri Lanka. p.89.
  12. Kulathunga, R.D.H., Gunarathna, E.D.T.P., Jayawardhana, N.D.N., De Silava R.H.S.K., Ranasinghe R.L.D.S., Faisulhaq, M.H., Samarasinghe, K.A., Arawwawala, L.D.A.M. (2018). Phytochemical and physico-chemical comparison of roots of Heen Iramasu and Maha Iramasu (Hemidesmus indicus Linn). International Conference on Ayurveda, Unani, SIDDHA AND Traditional Medicine (6th Icaust 2018). p.114

Major Projects

Undertaken

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