Journal
QUIMICA NOVA
Volume 26, Issue 3, Pages 309-311Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422003000300004
Keywords
Baccharis pseudotenuifolia; Artemia salina; flavonoids
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FLAVONOIDS AND TRITERPENES FROM Baccharis pseudotenuifolia - BIOACTIVITY ON Artemia salina. The phytochemical investigation of the chloroformic and methanolic extracts of the Baccharis pseudotenuifolia led to the isolation of triterpenes, steroids and flavonoids. From chloroformic extract were isolated oleanolic acid and alpha-spinasterol while from methanolic extract were isolated the flavonoids: hispidulin, naringenin, 3'-methoxy-luteolin, apigenin, kaempferol, eriodyctiol, aromadendrin, quercetin, 3'-methoxy-quercetin, quercetin-3-O-rhamnoside and quercetin-3-O-glucoside. The structure of these compounds were identified by IR, CG/MS, H-1 and C-13 NMR spectral analysis and comparison with literature. In addition, the extracts were evaluated by means of Brine Shrimp Lethality test and the highier activity was observed in the chloroformic extract.
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