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Article in Chinese | WPRIM | ID: wpr-690403

ABSTRACT

Two new flavonoid glycosides, quercetin-3--(4--crotonyl)--D-glucopyranoside (1) and quercetin-3--[6--(2)-pentenoyl]--D-glucopyranoside (2), along with nine known ones, isoquercetin (3), astragalin (4), quercetin-3--(6--acetyl)--D-glucopyranoside (5), kaempferol-3--(6--acetyl)--D-glucopyranoside (6), quercetin-3--(6--crotonyl)--D-glucopyranoside (7), kaempferol-3--(6--crotonyl)--D-glucopyranoside (8), vitexin (9), isovitexin (10), and isorhamnetin-3---D-glucopyranoside (11), were isolated from the leaves of Moringa oleifera by various chromatographic technologies. Their structures were elucidated by spectroscopic methods including UV, IR, MS, and NMR. In addition, compounds 7 and 8 were isolated from this plant for the first time.

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