Chavica betle

Betel oil is distilled from the leaves, either fresh or dried, of betle Chavica betle Miq.). The yield is from 5 to 1 per cent., but if the leaves are bleached by being kept in a warm sbady place, the yield may reach 4 per cent. The oil varies considerably in characters according to the nature of the raw material, and the following results have been obtained by various investigators —... 

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See also in sourсe #XX -- [ ]

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