oa South African Journal of Chemistry - A new sterol diglycoside from : research article

Volume 62, Issue 1
  • ISSN : 0379-4350



Chemical investigation of CHCl and MeOH extracts of have led to the isolation of (24S)-ethylcholesta-5, 22E,25-trien-3--glucosyl (1"® 4')-rhamnoside (1), (24S)-ethylcholesta-5,25-dien-3--β-glucoside (2), cyasterone (3), stigmasta 5, 22-dien-3-acetate (4), stigmasta 5, 22-dien-3-ol (5), spinasta 7, 22-dien-3-ol (6), 3-oxofriedooleanane (7), 3-hydroxyfriedooleanane (8), 3-acetoxyfriedooleanane (9), betullinic acid (10), quercetin 3--β-glucoside (11), quercetin (12), myricetin (13) and kaempferol (14). Their structures were determined using spectroscopic and physical methods as well as comparison with data available in the literature.

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