Kandungan sebatian semulajadi kulit batang parameria laevigata (al juss) moldenke ,
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Date
1996
Authors
Ismail, Rohani
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Abstract
The natural products constituents of the bark of Parameria
i
laevigata (Al· Juss.) Moldenke was investigated. There is
currently lack of research and publication on this plant. The
powdered bark·of the plant ~as continuously extracted with
petroleum ether, chloroform and methanol. The investigation
afforded sterols, triterpenoids, coumarin and their related
compounds which were identified spectroscopically.
Sterols isolated from the petroleum ether extract were
identified aq a mixture of campesterol, stigmasterol,
sitosterol and stigmast-7-enol, cycloeucalenol and sitosterol
fatty acid ester.
Triterpenoids isolated from the petroleum ether extract were
identified as friedelin, lupeol fatty acid ester, a mixture
of lupeol, a-amyrin and P-amyrin, and a derivative of lupane
while ursolic acid and a derivative of vanguerolic acid were
isolated from the chloroform extract.
Scopoletin, a coumarin and a mixture of sterol glycosides
identified as campesterol, stigmasterol, sitosterol and
stigmast-7-enol glucosides were also isolated from the
chloroform extract.
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Keywords
Sebatian semulajadi , Kulit batang parameria , Moldenke