Chemical constituents from diospyros argentea griff. (Ebenaceae)

Nurunajah Ab Ghani

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Type :	article
Subject :	QD Chemistry
Main Author :	Nurunajah Ab Ghani
Additional Authors :	Nurulfazlina Edayah Rasol1 Ahmad Azrul Hakim Yahaya Nur Hazwanie Abdul Kadir Salam Ahmed Abed Noor Amira Muhammad
Title :	Chemical constituents from diospyros argentea griff. (Ebenaceae)

Place of Production :	Tanjong Malim
Publisher :	Fakulti Sains dan Matematik
Year of Publication :	2022
Corporate Name :	Universiti Pendidikan Sultan Idris
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Abstract : Universiti Pendidikan Sultan Idris

Diospyros argentea is distributed mainly in Southeast Asia where it has been used to repel mosquitoes and its pounded roots are applied externally to treat herpes zoster. Chemical investigation of D. Argentea leaves resulted in the isolation of three steroids, β-sitosterol (1), β-sitostenone (2), and stigmasterol (3), together with five triterpenes, identified as friedelin (4), taraxerol (5), taraxerone (6), betulin (7), and lupeol (8). Their structures were elucuidated using spectroscopic analysis and chemical evidence. To the best of our knowledge, all compounds were isolated for the first time from this species.

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