- Cosmetic composition
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This specification relates to a cosmetic composition containing art extract of Crotonbirmanicusas an effective ingredient, particularly, a hair-growing composition. The composition not only has excellent hair revitalizing actions such as an alopecia preventing effect and a hair generation accelerating effect, and a dandruff or itch inhibiting action, but also has a specific hair growth accelerating action through activation of hair dermal papilla cells or hair follicular epitheliocytes.
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- Process for extraction and purification of plaunotol
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A process for the extraction and purification of the diterpene alcohol Plaunotol from the leaves of the medicinal plant, Croton sublyratus Kurz. The process involves extracting firstly with a lower aliphatic alcohol followed by extracting from the alcohol solution with a chlorinated hydrocarbon. Then impurities are hydrolysed and the required Plaunotol separated by extraction with a hydrocarbon. This process is simple and gave much better yields than prior processes.
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- Macrocyclic plant acaricides
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Compounds of the formula I STR1 in which either R is methyl and there is a double bond in the 9,10-position, or in which R is hydrogen and there is a single bond in the 9,10-position, are highly active against Acarina which damage plants.
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- Insecticidal composition for agricultural and horticultural use
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A synergistic insecticidal composition comprising a nitromethylene derivative of the formula STR1 in which X is a lower alkyl group, a lower alkoxy group or a halogen atom, n is 0, 1 or 2, and m is 2 or 3, and an insecticide which is a carboxylic acid ester, carbamate, organophosphate ester or one of a group of specific compounds.
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