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Flavonoids and steroids from roots of Millettia speciosa
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Study on extracts of Millettia speciosa roots collected at Nghe An Province led to the isolation of two flavonoids, pterocarpine (1), quercetin-3-O-[-L-rhamnopyranosyl-(16)--D-glucopyranoside (2) and two steroids, -sitosterol (3), daucosterol (4). Their structure elucidation were determined on the basis of one and two-dimensional NMR and spectrometric methods in combination.
Title: Flavonoids and steroids from roots of Millettia speciosa
Description:
Study on extracts of Millettia speciosa roots collected at Nghe An Province led to the isolation of two flavonoids, pterocarpine (1), quercetin-3-O-[-L-rhamnopyranosyl-(16)--D-glucopyranoside (2) and two steroids, -sitosterol (3), daucosterol (4).
Their structure elucidation were determined on the basis of one and two-dimensional NMR and spectrometric methods in combination.
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