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In-vitro and In-vivo Antioxidant Activity of High-Grown Sri Lankan Black Tea (Camellia Sinensis L.)

Abeywickrama, K.R.W.; Amarakoon, A.M.T.; Ratnasooriya, W.D. (2005)

Effect of kohiladi decoction on clotting of blood

Weerasekera, K.R.; Ediriweera, E.R.H.S.S.; Cooray Vidyashekhera, M.S.P.; Jayakody, J.R.A.; Ratnasooriya, W.D. (2005)

Sedative Effects of Hot Flower Infusion of Nyctanthes arbo-tristis on Rats

Ratnasooriya, W.D.; Jayakody, J.R.A.C.; Hettiarachchi, A.D.I.; Dharmasiri, M.G. (2005)

Hot infusion of Nyctanthes arho-lristis Linn. (Oleaceae) llowers are used often by some elderly Sri Lankan Buddhist monks as a potential sedative. However, in Ayurvedic, traditional and folkloric medicine of Sri Lanka, ...

Antinociceptive effect and toxicological study of the aqueous bark extract of Barringtonia racemosa on rats

Deraniyagala, S.A.; Ratnasooriya, W.D.; Goonasekara, C.L. (2003)

Barringtonia racemosa Linn. (Family Lecythidaceae) posses several bioactivities and is used in traditional medicine of Sri Lanka, but its analgesic potential has not been investigated so far. The aim of this study was ...

Evaluation of two cucurbits (Genus: Momordica) for gastroprotective and ulcer healing activity in rats

Fernandopulle, B.M.R.; Ratnasooriya, W.D.; Karunanayake, E.H. (1996)

The gastioprotective acii\il.y of the tVuit extracts of two cucurbits Momordica cliaraniia and dioica -A as evaluated by inducing experimental gastric ulcers in the rat. Both frL'ii extracts (1 inL/lOOg) significantly ...

Sedative activity of stem bark of the Sri Lankan endemic plant, Vateria copallifera

Ratnasooriya, W.D.; Lelwala, L.H.D.S.; Kannangara, K.N.K.; Sandanayaka, S.D.D.; Ediriweera, E.R.H.S.S. (2006)

An aqueous bark extract of Valeria copallifera showed marked sedative activity, which supports the therapeutic effects claimed by Sri Lankan traditional physicians. © 2006 Elsevier B.V. A l l rights reserved.

Effect of patoladi ghanasara on ethanolinduced gastric lesions in rats

Munasinghe, S.L.; Vithanage, D.K.; Ratnasooriya, W.D. (2002)

Patoiadi Ghanasara (PG) consist:.;:\ of five ingredients (Termimlia chebule Retz; Terminania belarica Roxb, Phillenthus emblica Linn; Tricosenthus cucumarina Linn; Azadirachta indica A Juss) is recommended for the treatment ...

Antioxidant activity of water extract of Scoparia dulcis

Ratnasooriya, W.D.; Jayakody, J.R.A.C.; Premakumara, G.A.S. (2005)

Analgesic and antihyperalgesic effects of Scoparia dulcis decoction in rats

Ratnasooriya, W. D.; Galhena, G.; Liyanage, S. S. P.; Jayakody, J. R, A. C. (2002)

Scoparia dulcis Lin. (Family: Scrophulariaceae, Sinhala: Wal kottamalli) is a perennial herb commonly found in many tropical countries including Sri Lanka (Dassanayaka, 1981). In folk and traditional medicine in Brazil, ...

Analgesic Activity of Water Extract of Spilanthes acmella Flowers on Rats

Peiris, K.P.R.; Silva, G.KJ.; Ratnasooriya, W.D. (2001)

In Sri Lanka,about 35% of the population are primarily dependent on Ayur\'eda and traditional systems of health cure.' Sri Lankan traditional medical practitioners especially in the Uva province often recommend chewing ...

Antinociceptive activity of Pleurotus cystidiosus, an edible mushroom in rats

Kudahewa, D.D.; Abeytunga, D.T.U.; Ratnasooriya, W.D. (2008)

A water extract of leaves and stems of Psychotria sarmentosa has analgesic and antihyperalgesic activity in rats

Ratnasooriya, W.D.; Dharmasiri, M.G. (2012)

An unboiled water extract (UBE) of stems and leaves of Psychotria sarmentosa Blume (Family: Rubiaceae) is drunk by some men in Sri Lanka after being physically assaulted, indicating that it may have potent analgesic ...

Evaluation of unripe Mormodica charantia and Mormodica dioica fruit extracts for diuretic and antidiuretic effect in rats

Fernandopulle, B.M.R.; Ratnasooriya, W.D. (1999)

Cassia fistula and hypoglycaemia

Ratnasooriya, W.D.; Hettiarachchi, H.D.l.; Jayakody, J.R.A.C. (2004)

Stem bark of Cassia fisWla Linn. {Family Leguminocae) is used as a component in several compound decoctions recommended by Sri Lankan traditional physicians for diabetes mellitus. However its effectiveness as an antidiabetic ...

Diuretic activity of leaf and stem decoction of Anisomeles indica

Dharmasiri, M. G.; Ratnasooriya, W. D.; Thabrew, M. I. (2003)

Anisomeles indica (Lamiaceae) is a wild perennial herb growing in South and South East Asia. A decoction of leaves and stems of this plant is said to be diuretic but this point has not been verified in a controlled ...

Safety evaluation of Sri Lankan Piper betle leaf extracts in rats

Arambewela, L.S.R.; Arawwawala, L.D.A.M.; Ratnasooriya, W.D. (2003)

The aim of this study was to evaluate the safety profile of cold ethanolic extract (CEE) and hot water extract (HWE) of Sri Lankan Piper betle Linn, leaves (Family: Piperaceae).The extracts were orally administrated to ...

Oral Hypoglycaemic Activity of Three Ayurvedic Drug Formulations Marketed in Sri Lanka for diabetes

Jayasinghe, L.N.; Gunasekera, M.B.; Goonesekera, C.W.; Ratnasooriya, W.D. (2005)

diabetes meltitus have not been scientifically evaluated and their therapeutic efficacy remains unknown. The effect of three such formulations, 'Madumeha Harani' syrup, 'Dilini Madumeha Suwaya' syrup, and B' Kapu' tablet, ...

Analgesia and sedation induced by Mucuna prurita seeds in rats

Ratnasoonya, W.D.; Lokupitiya, E.Y.K.; Dharmasiri, M.G. (1999)

In Sri Lankan folk medicine, seeds of Mucuna prurita (Hook) (Family: Leguminosae) are recommended to be consumed as a curry ingredient to relieve aches and pains. The seeds contain large quantities of dopa and nicotine. Thus ...

Antinociceptive Activities of Aqueous and Ethanol Extracts of Piper betle Leaves in Rats

Arambewela, L.S.R; Arawwawala', L .D .A .M; Ratnasooriya, W.D (2005)

Leaves of Piper belle Linn (Piperaceae) possess a broad spectrum of pharmacological and therapeutic properties. However, its antinociceptive activity has not been investigated so far. The aim of this study therefore, ...

Effect of aqueous leaf extract of Ficus benghalens on nociception and sedation in Rats

Deraniyagala, S.A.; Ratnasooriya, W.D.; Perera, P.S. (2002)

The aim of this study was to investigate the effects of aqueous leaf extract (WE), of Ficus benghalensis Linn. (Family: Moraccae) on nociception and sedation using male rats. Different doses of the WE (0,125, 250, 500 ...

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