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  • Title: Canthin-6-one and beta-carboline alkaloids from Eurycoma harmandiana.
    Author: Kanchanapoom T, Kasai R, Chumsri P, Hiraga Y, Yamasaki K.
    Journal: Phytochemistry; 2001 Feb; 56(4):383-6. PubMed ID: 11249106.
    Abstract:
    Two alkaloids, canthin-6-one 9-O-beta-glucopyranoside and 7-hydroxy-beta-carboline 1-propionic acid, were isolated from the roots of Eurcoma harmandiana together with the five known canthin-6-one alkaloids, 9-hydroxycanthin-6-one, 9-methoxycanthin-6-one, 9,10-dimethoxycanthin-6-one, canthin-6-one and canthin-6-one N-oxide, and the two known beta-carboline alkaloids, beta-carboline 1-propionic acid and 7-methoxy-beta-carboline 1-propionic acid. Their structures were based on analyses of spectroscopic data.
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