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Abstract

CHEMICAL AND BIOLOGICAL INVESTIGATIONS OF TWO RUMEX SPECIES GROWING IN YEMEN

Nasser A. Awadh Ali*, Ramzi Mothana and H. Abd El-Fattah

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Abstract

The phytochemical examination of the polar and non-polar fractions of two ethanol extracts of Rumex species viz; R. obtusifolia L. and R. steudelii Hochst. Ex A. Rich afforded seven anthraquinones and eight flavonoids. They were identified as chrysophanol, physcion, emodine, aloe-emodin, chrysophanin, emodin-8-O-glucoside, physcion-8-Oglucoside, kampferol, luteolin, catechin, luteolin-7-O-glucoside, isovetexin, isoorientin, vitexin and orientin. The identification was established through physical and spectral analysis as well as comparison with reference samples. The antibacterial and antifungal activities of the different fractions were assessed.

Keywords: Rumex obtusifolia, Rumex steudelii antimicrobial. Yemen, phytochemical analysis.


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