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A new antiplasmodial coumarin from Toddalia asiatica roots.
A new antiplasmodial coumarin, 5,7-dimethoxy-8-(3'-hydroxy-3'methyl-1'-butene)-coumarin (1), has been isolated from the roots of Toddalia asiatica. This finding supports the traditional use of thisExpand
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Toxicity of chloroform extract of Prunus africana stem bark in rats: gross and histological lesions
Chloroform extract of Prunus africana (Hook f. (Rosaceae) did not cause clinical signs or pathology in rats at daily oral doses of up to 1000 mg/kg for 8 weeks. The extract caused marked clinicalExpand
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Biochemical and haematological changes in rats administered an aqueous extract of Prunus africana stem-bark at various dosage levels.
An aqueous extract of Prunus africana (Hook. f.) Kalkm. (syn. Pygeum africanum) (Hook. f.) (Rosaceae) was administered daily at dosage rates of 10, 100 and 1,000 mg/kg body mass to randomized groupsExpand
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Essential Oil of Hyptis suaveolens (L.) Poit. from Tanzania: Composition and Antifungal Activity
Abstract The hydrodistilled essential oil (yield 1.2%) of fresh leaves of wild Hyptis suaveolens (L.) Poit. was analyzed by GC/MS. Twenty-four compounds representing 90.3% of the oil were identified.Expand
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The antimalarial and antimicrobial activity and brine shrimp toxicity of clematis brachiata extracts
The in vitro antimalarial activity of the root extract in partly supports the ethnobotanical use of the plant to manage malaria. Clematis brachiata Thunberg (Ranunculaceae) is used in Kenya for theExpand
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Herbal medicines: Do they really work
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Essential Oils of Lippia Species in Kenya. IV: Maize Weevil (Sitophilus Zeamais) Repellancy and Larvicidal Activity
AbstractThe repellancy of essential oils of eight Lippia species on maize weevils was compared with NN-diethyltoluamide (DEET). The larvicidal activity of these essential oils was also examined. As aExpand
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Analgesic and antipyretic effects of Myrica salicifolia (Myricaceae)
Myrica salicifolia Hoechst (Myricaceae) root extract was found to have analgesic activity in mice. In rats there was antipyretic but no antiinflammatory activity. Copyright © 2002 John Wiley & Sons,Expand
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Pharmacological properties of extracts from the stem bark of Syzygium guineense on the ileum and heart of laboratory rodents.
A methanol extract of Syzygium guineense bark inhibited intrinsic contractions of rabbit isolated ileum. The inhibition, at bath concentrations of 0.5 - 2.0 mg/ml, was dose-related but non-linear. ItExpand
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