Flavonóides glicosilados das folhas e flores de Bauhinia forficata (Leguminosae)
From the leaves of Bauhinia forficata kaempferol and four flavonoid glycosides, 3,7-di-O-alpha-L-rhamnopyranosylkaempferol, 3,7-di-O-alpha-L-rhamnopyranosylquercetin, 3-O-[alpha-L-rhamnopyranosyl-(1->6)-beta-D-glucopyranosyl]-7-O-alpha-L-rhamnopyranosylkaempferol and 3-O-[alpha-L-rhamnopyranosyl-(1->6)-beta-D-glucopyranosyl]-7-O-alpha-L-rhamnopyranosylquercetin were obtained. From the flowers only the flavonoid 7-O-alpha-L-rhamnopyranosylkaempferol was isolated. The structures were established by chemical and spectroscopic methods.
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Main Authors: | Pizzolatti,Moacir Geraldo, Cunha Jr.,Anildo, Szpoganicz,Bruno, Sousa,Eliandra de, Braz-Filho,Raimundo, Schripsema,Jan |
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Format: | Digital revista |
Language: | Portuguese |
Published: |
Sociedade Brasileira de Química
2003
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422003000400003 |
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