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Abstract

ISOLATION AND CHARACTERIZATION OF TWO STEROIDS FROM ERYTHRINA VARIEGATA L.

Fatema Tabassum*, Choudhury Mahmood Hasan, Fatema-Tuz-Zohra and Monira Ahsan

ABSTRACT

Erythrina variegata L. (Fabaceae) is a thorny deciduous tree with thick clusters of scarlet or showy red flowers. In Bangladesh the plant is found throughout the country and is used as an important medicinal plant. A wide range of chemical compounds have been isolated from this plant, such as alkaloids, flavonoids, triterpenoids saponins, lectin etc. Two steroid compounds namely stigmast-4-en-3-one and stigmasta-4,22-dien-3-one were isolated as mixture from this plant by vacuum liquid chromatography (VLC) and column chromatography and the structures were elucidated based on nuclear magnetic resonance (1HNMR) spectroscopic analysis.

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