Publications

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In vitro potential of bran extracts of some varieties of Sri Lankan traditional rice on protein glycation inhibitory activity.

Conference paper presentations / workshop attended
Abeysekera, W.K.S.M., Premakumara, G.A.S., Ratnasooriya W.D. and Chandrasekharan, N.V.
Publication year: 2010

In vitro anti-malarial activity aqueous whole plant extract of Munronia pinnata (Wall.) Theob.(Meliaceae) in mice

Conference paper presentations / workshop attended
Dharmadasa, R.M., Hettiarachchi, P., Premakumara, G.A.S
Publication year: 2010

Free sugar composition and total polyphenol contents of Caryota urens(Kithul), Cocos nucifera (Coconut) and Saccharum officinarum (Sugarcane) treacles.

Conference paper presentations / workshop attended
Somasiri, H.P.P.S., Premakumara G.A.S., and Mahanama, K.R.R
Publication year: 2010

Free Amino Acid Profile of Caryota urens L (Kithul Palm) as a marker for authenticity.

Conference paper presentations / workshop attended
Somasiri, H.P.P.S., Premakumara G.A.S., and Mahanama, K.R.R
Publication year: 2010

Effects of Cinnamomum zeylanicum (Ceylon cinnamon) on blood glucose control in rats

Conference paper presentations / workshop attended
Ranasinghe P., Perera KYS, Gunatilake M, Premakumara GAS, Abeywardane SHPEL, Gunapala KNM, Katulanda P
Publication year: 2010

Distribution of different populations of Munronia pinnata (Wall.) Theob.(Binkohomba) and possibilities of conservation in Sri Lanka.

Conference paper presentations / workshop attended
Dharmadasa, R.M., Hettiarachchi, P., Premakumara, G.A.S
Publication year: 2010

Comparison of physico-chemical parameters and berberine content in Berberis ceylanica and Berberis aristata.

Conference paper presentations / workshop attended
Nawarathna, T.K., Premakumara.G.A.S., Arawwawala, L.D.A.M., Marasingha, P
Publication year: 2010

Comparative pharmacognostical study of Plectranthus zeylanicus and Plectranthus amboinicus

Conference paper presentations / workshop attended
Muthukumarana, S., Dharmadasa, R.M., Premakumara, G.A.S. and Jayaweera, C.D
Publication year: 2010

Antioxidant activity of Vataria copallifera (Hal).

Conference paper presentations / workshop attended
Haris, F.R.,  Wijayaratha CD, Ranasinghe, P. and Premakumara G.A.S
Publication year: 2010

Antioxidant activity of Caryota urens L.

Conference paper presentations / workshop attended
Ranasinghe, P., Premakumara GAS, Wijayaratha CD and Ratnasooriya WD
Publication year: 2010

Antiglycation activity of Salacia reticulata L

Conference paper presentations / workshop attended
Premakumara, G.A.S,  P. Ranasinghe and Abeysekera, W.K.S.M
Publication year: 2010

Antiglucosidase activity of khomba arka & development of a beverage using khomba arka.

Conference paper presentations / workshop attended
N.Y.Jayanath, C.K. Illeperuma, G.A.S. Premakumara, W.K.S.M Abeysekera
Publication year: 2010

α-amylase inhibitory potential of bran extracts of some varieties of Sri Lankan traditional rice: A preliminary in vitro study.

Conference paper presentations / workshop attended
Abeysekera, W.K.S.M., Premakumara, G.A.S., Ratnasooriya, W.D. and Chandrasekharan, N.V.
Publication year: 2009

α-amylase inhibitory activity of bran extracts of some cultivating varieties of Sri Lankan improved rice: A preliminary in vitro study

Conference paper presentations / workshop attended
Abeysekera, W.K.S.M., Premakumara, G.A.S., Haputhanthri, G.J., Bentota, A.P
Publication year: 2009

Use of organic acids and polyphenolic compound profiles of Ceryota urens (Kithul), Cocos nucifera (Coconut) and Saccharum officinarum (Sugar cane) treacles for the authentication of the treacle type

Conference paper presentations / workshop attended
Somasiri, H.P.P.S., Premakumara, G.A.S., Mahanama, K.R.R.
Publication year: 2009

The synergistic neurotoxins of palmyrah (Borassus flabellifer L.) flour.

Journal Paper
Keerthi, A.A.P., Jansz, E.R., Ekanayake, S. and Premakumara, G.A.S
Publication year: 2009

Quantification of Gymnemic acid content of Sri Lankan Gymnema species

Conference paper presentations / workshop attended
Kadiragamanathar, S. Geethika, C.D.H., Premakumara, G.A.S, Balasubramanium, K. and Sotheeswaran, S
Publication year: 2009

Quality control of Ayurvedic/Herbal medicines - ITI activities & facilities

Plenary lectures & Country papers
Premakumara, G.A.S.
Publication year: 2009

Nutrition information of Kithul palm Caryota urens sap, treacle and jaggery,

Conference paper presentations / workshop attended
Somasiri, H.P.P.S., Premakumara G.A.S., and Mahanama, K.R.R
Publication year: 2009

Need assessment of Modern Biotechnology: Industry & Natural Products.

Plenary lectures & Country papers
Premakumara, G.A.S
Publication year: 2009

Molecular identification of yeast strains in three differnt Arishta

Conference paper presentations / workshop attended
Bandara, M.M.N.D.M, Hettiarachchi, S, Premakumara G.A.S., Ranasinghe, P and Abyesinghe, S
Publication year: 2009

Evaluation of human sperm motility stimulant S-ACT-1 of Sri Lankan marine red alga Gelidiella acerosa as a potential sperm stimulant in medically assisted reproduction.

Plenary lectures & Country papers
Premakumara, G.A.S
Publication year: 2009

Evaluation of Caryota urens (Kithul) tapping methods in Sri Lanka

Conference paper presentations / workshop attended
Premakumara, G.A.S.,Ranasinghe, P. and Somasiri, H.P.P.S
Publication year: 2009

Enzymatic gravimetric determination of total, soluble and insoluble dietary fiber contents of some traditional and improved Sri Lankan rice varieties

Conference paper presentations / workshop attended
Abeysekera, W.K.S.M., Somasiri, H.P.P.S., Premakumara, G.A.S., Bentota, A.P., Ratnasooriya W.D.and Chandrasekharan, N.V.
Publication year: 2009

Comparative study of Anti-oxidant activity of Sri Lankan Gymnema species

Conference paper presentations / workshop attended
Kadiragamanathar, S. Geethika, C.D.H., Premakumara, G.A.S, Ranasinghe, P., Balasubramanium, K. and Sotheeswaran, S.
Publication year: 2009

Antiglycation activity of Salacia reticulata L

Conference paper presentations / workshop attended
Premakumara, G.A.S. Rajapaksha Mudalige, P.T.S. and Ranasinghe, P
Publication year: 2009

Anti-microbial properties of bryophytes.

Conference paper presentations / workshop attended
Sandamali, K.H.I., Saputhanthri, P.S., Premakumara, G.A.S., and Perera, R.S.
Publication year: 2009

Amylose content of some Sri Lankan rice varieties grown in Yala and Maha seasons.

Conference paper presentations / workshop attended
Abesekera, W.K.S.M., Somasiri, H.P.P.S., Premakumara, G.A.S., Bentota, A.P., Rajapakse, D. and Ediriweera, N
Publication year: 2009

A new cytotoxic flabelliferin from palmyrah (Borassus flabellifer L.)

Journal Paper
Keerthi, A.A.P., Ekanayake, S. and Premakumara, G.A.S
Publication year: 2009

Study on anti-oxidant activity of mangosteen (Garcinia mangostana).

Conference paper presentations / workshop attended
Hewage, S., Premakumara, G.A.S. and Madujith, T
Publication year: 2008
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