Phytochemistry p. 1481 - 1484 (1984)
Update date:2022-08-10
Topics:
Zakaria, Muhamad Bin
Jeffreys, J. A. D.
Waterman, Peter G.
Zhong, Shou-Ming
Investigation of the stem bark, wood and/or fruit of nine Asian Diospyros spp. (Ebenaceae) has revealed a range ot triterpenes and naphthoquinones typical of the genus.In addition to lupeol, betulin and betulinic acid, which were present in all samples, seven other triterpenes were isolated and identified.Six of the nine species also yielded naphthoquinones.In two species these were based on 2-methyljuglone (plumbagin) and in the other four on 7-methyljuglone.Key Word Index -- Diospyros spp; Ebenaceae; simple and dimeric naphthoquinones; triterpenes; oleanane-type; ursane-type.
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