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Larvicidal activity of 94 extracts from ten plant species of northeastern of Brazil against Aedes aegypti L. (Diptera: Culicidae)
Nineteen of the 94 extracts from six plant species showed significant activity against the fourth instar larvae and two of them, hexane and ethyl acetate extracts from stems of R. doniana and G. grazielae, were the most effective. Expand
Larvicidal activities and chemical composition of essential oils from Piper klotzschianum (Kunth) C. DC. (Piperaceae).
Both essential oil of P. klotzsdhianum and the isolate 1-butyl-3,4-methylenedioxybenzene are potential resources for A. aegypti larva control. Expand
Borreria and Spermacoce species (Rubiaceae): A review of their ethnomedicinal properties, chemical constituents, and biological activities
The ethnomedicinal uses, phytochemistry, and biological activities of some isolated compounds and extracts of some species of Borreira and Spermacoce, genera of Rubiaceae, are reviewed. Expand
Pharmacological activity and chemical composition of callus culture extracts from selected species of Phyllanthus.
Conventional chromatographic methods permitted the detection of some steroids or triterpenes, including beta-sitosterol, glochidonol and glochidone, which seem be responsible for the antinociceptive effects of the callus extracts studied. Expand