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This study confirmed the oral anti-inflammatory, analgesic and antihistamine properties of mature fresh leaves (MFL) of Vitex negundo L. (Verbenaceae) claimed in the Ayurveda medicine by orally treating a water extract of the leaves to rats. The early phase (2h) of carrageenan-induced rat paw oedema was significantly (P<0.01) suppressed in an inversely(More)
In the Sri Lankan traditional medicine, Spilanthes acmella Murr. (Family: Compositae) flowers are claimed to possess powerful diuretic activity. However, as yet, the diuretic potential of these flowers is not investigated by scientifically controlled studies. The aim of this study was to evaluate the diuretic potential of Spilanthes acmellaflowers in rats(More)
The aim of this study was to examine the antinociceptive potential of leaves of Ixora coccinea (family: Rubeaceae). One of four doses (500, 750, 1000 or 1500 mg/kg, n = 8/dose) of aqueous leaf extract (ALE) or 1 ml of distilled water was orally administered to male rats and antinociceptive activity was ascertained using three models ofnociception (tail(More)
This study examined the effects of rhizomes of Alpinia calcarata Roscoe (Zingiberaceae) on male sexual competence and fertility, using a hot water extract (HWE) and rats. Different doses of HWE (150, 250 and 500 mg/kg) were orally administrated to male rats and their sexual behaviour was monitored (for 15 min) 3 h later using receptive females. Fertility(More)
The decoction (D) of the bark of Ficus racemosa Linn (Family: Moraceae) is claimed as an antidiuretic by some Sri Lankan traditional practitioners. However, the validity of this claim has not been scientifically proven or refuted. The aim of this study was to evaluate the antidiuretic potential of D of the bark of F. racemosa (made as specified in(More)
The root extract of Salacia reticulata Wight (family: Celastraceae) is used in Sri Lanka by traditional practitioners as a herbal therapy for glycemic control even during pregnancy. It is recognized that some clinically used antidiabetic drugs have harmful effects on pregnancy but the effects of the S. reticulata root extract on reproductive outcome is(More)
AIM To evaluate the antireproductive effect of paracetamol in male rats. METHODS Male rats were orally administered daily with 500 mg/kg or 1000 mg/kg of paracetamol for 30 consecutive days. Their sexual behaviour and fertility were evaluated using receptive females. RESULTS At 2 h after treatment, sexual behaviour was not inhibited but on day 30 both(More)
In Sri Lankan ethnomedicate it is claimed the flowers of Nyctanthes arbo-tristis is effective in the treatment of inflammatory conditions but this has not been scientifically validated. This experiment was carried to investigate the antinflammatory potential of hot water infusion of Nyctanthes arbo-tristis flowers. Oral antiinflammatory activity of hot(More)
Scoparia dulcis Linn (Family: Scrophulariaceae, Sinhala: WalKoththamalli) is a perennial herb growing in many tropical countries including Sri Lanka. Traditional Physicians in rural down south areas apply crushed S. dulcis plant on cuts and bruises to stop bleeding. S. dulcis may also have Rakta Sthambhana property. The study on effect of decoction (water(More)