Triterpenoid saponins from Erythrina sigmoidea
作者： J. Tanyi Mbafor , Jean-Claude Ndom , Z. Tanee Fomum
DOI: 10.1016/S0031-9422(96)00655-3
关键词: Erythrina 、 Bark 、 Stereochemistry 、 Stem bark 、 Triterpene 、 Saponin 、 Biology 、 Triterpenoid
摘要: Abstract Two new triterpenoid saponins, designated sigmoside C and D, have been isolated from the methanol extract of stem bark Erythrina sigmoidea in addition to known soyasapogenol-B 3-O-[β- d -glucopyranosyl]-sitosterol . The structures saponins were determined by chemical spectroscopic means as 22-O-[β- -glucopyranosyl]-soyasapogenol-B 22-O-[α- l -rhamnopyranosyl]-soyasapogenol-B , respectively.
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