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Otimização de metodologia analítica para o doseamento de flavonoides de Bauhinia cheilantha (Bongard) Steudel Optimization of analytic methodologies for quantifying flavonoids of Bauhinia cheilantha (Bongard) Steudel

By Tadeu José da Silva Peixoto Sobrinho, Tiago de Lima Barros Gomes, Késsio Carlos de Macedo Cardoso, Elba Lúcia Cavalcanti de Amorim and Ulysses Paulino de Albuquerque

Abstract

<abstract language="eng">The present study examined the optimization of stabilization and extraction processes of the flavonoids of Bauhinia cheilantha (Bongard) Steudel. Four drying temperatures (room temperature, 40, 60 and 80 ºC) and seven extraction systems (distilled water, 100% methanol, 80% methanol, 100% ethanol, 80% ethanol, 80% acetone and 60% acetone) were examined. The results demonstrated a reduction in flavonoid levels with increasing drying temperatures; and 80% acetone, 80% ethanol, and methanol p.a extraction systems were found to be most efficient and its weren't differents statisticaly (p<0.05)

Topics: pata-de-vaca, rutin, Bauhinia cheilantha, Chemistry, QD1-999, Science, Q, DOAJ:Chemistry (General), DOAJ:Chemistry
Publisher: Sociedade Brasileira de Química
Year: 2010
DOI identifier: 10.1590/S0100-40422010000200011
OAI identifier: oai:doaj.org/article:21c064cfa2044cf9b4e464ddae8487f0
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