Elsevier

Phytochemistry

Volume 11, Issue 6, June 1972, Pages 2025-2030
Phytochemistry

Goniothalamin and its distribution in four Goniothalamus species

https://doi.org/10.1016/S0031-9422(00)90168-7Get rights and content

Abstract

Goniothalamin, a biologically active styryldihydropyrone isolated from the bark of Goniothalamus andersonii Sinclair, has been shown to be the (+)-(5S)-δ-lactone of 5-hydroxy-7-phenylhepta-2,6-dienoic acid previously obtained from Cryptocarya caloneura (Scheff). Kostermans. The distribution of goniothalamin in G. andersonii, G. macrophyllus Miq., G. malayanus Hook.f. et Thoms., and G. velutinus Airy-Shaw has been studied. The lactone was detected in all parts of G. andersonii and G. macrophyllus, and in some samples of G. malayanus, but was not present in the samples of G. velutinus examined. Young stems and leaves were found to have the lowest goniothalamin content, and the fruit of G. andersonii was the richest source of the lactone (6·1%).

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