Wax and resin components ofCalotropis gigantea
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The wax and resin components of the root bark ofCalotropis gigantea have been examined. A substance corresponding to the description of ‘mudarol’ of previous workers could be isolated. However, its properties indicate that it is a triterpene alcohol and not a sterol. β-amyrin is also found as a major component. These two alcohols are present as esters of volatile and non-volatile fatty acids. β-amyrin acetate could be isolated by direct fractional crystallisation. No substance corresponding to the description of “akundarol” of Hill and Sirkar could be found.
KeywordsMother Liquor Unsaponifiable Matter Lupeol Root Bark Isovaleric Acid
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