Phytochemistry p. 2085 - 2087 (1984)
Update date:2022-08-11
Topics:
Thakur, Swapnadip
Das, Prantika
Itoh, Toshihiro
Imai, Kazunori
Matsumoto, Taro
The hexane and methanol soluble extract of the latex coagulum of Calotropis gigantea afforded two new triterpene esters, viz. 3'-methylbutanoates of α-amyrin and ψ-taraxasterol, besides the known 3'-methylbutanoates of three triterpene alcohols.The compositions of the alkane fraction, total triterpene alcohol fraction, and free, acetyl and 3'-methylbutanoyl triterpene alcohol fractions of the extract were determined.Key Word Index- Calotropis gigantea; Asclepiadaceae; latex; 3'-methylbutanoyl, acetyl and free α-amyrin, β-amyrin, ψ-taraxasterol, taraxasterol and lupeol; alkanes.
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