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Studies on chemical composition of angelica sinensis's V - The Nitrogen-containing compounds

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Angelica sinensis (OLiv.) Diels ("Danggui") belongs to the family Umbelliferae. Its rhizomes are reputed to have marked restorative, antianaemic and haemagogic properties. From ethyl acetate and butanol extracts of rhizomes of this plant 8 nitrogen-containing compounds (1-8) have been isolated. Their structures were elucidated by means of MS and NMR spectroscopic methods as 5-oxo-proline, 5-oxo-prolin-ethylester, nicotinamide, tryptophane, perlolidine, 1,2,3,4-tetrahydro-1-methyl- -carboline-3-carboxylic acide, adenosine and uridine. Keywords: Angelica sinensis, Umbelliferae, nitrogen-containing compounds.

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