Chemotaxonomic survey of anthraquinones and pre-anthraquinones in roots of Aloe species.

Citation:
Yenesew A., and B-E., van Wyk DE. "Chemotaxonomic survey of anthraquinones and pre-anthraquinones in roots of Aloe species." Biochemical Systematics and Ecology . 1995;23:267-275.

Abstract:

Root samples from 172 species of Aloe were surveyed by TLC and HPLC for the presence of anthraquinones and pre-anthraquinones. With the exception of the three species of the series Serrulatae, 1,8-Dihydroxyanthraquinones (chrysophanol and asphodelin) were detected in all the species sampled. Compounds derived through the 1-methyl-8-hydroxyanthraquinone pathway, i.e. aloesaponarin I, aloesaponarin II and laccaic acid d-methyl ester, together with their corresponding pre-anthraquinones were detected in 129 species. The results also show that isoeleutherol is a useful chemotaxonomic character for the series Saponarieae.

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