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Antibacterial activity of chrysophanol isolated from Aloe excelsa (Berger)

RM Coopoosamy
ML Magwa


Extraction of the yellow colour compounds of leaves of Aloe excelsa were performed and 1,8-dihydroxy-3-methylanthracenedione (chrysophanol) was isolated and tested for antibacterial activities against four gram negative and five gram positive bacterial strains. The structures of chrysophanol was determined by chemical spectroscopy