RESUMO:Este trabalho teve como objetivo utilizar métodos de controle de qualidade para algumas drogas vegetais a base de Bauhinia forfi cata comercializadas nos municípios de Itajaí e Balneário Camboriú, utilizando como marcador químico o fl avonóide kaempferitrina. As metodologias empregadas foram cromatografi a em camada delgada (CCD) e cromatografi a líquida de alta efi ciência (CLAE), além da análise microscópica, análise de rótulos e características organolépticas e a presença de material estranho. Todas as análises foram comparadas com os resultados demonstrados pela amostra autêntica, devidamente identifi cada, de B. forfi cata (A). Foram analisadas 06 amostras a base de Bauhinia identifi cadas através de siglas, sendo a B. forfi cata autêntica a amostra A e seis comerciais denominadas B-G. Todas as amostras comerciais foram reprovadas quanto à presença de material estranho, fi cando acima de 2%. Na análise microscópica observou-se que apenas a amostra E e G apresentam-se iguais à B. forfi cata. A análise cromatográfi ca revelou a presença de kaempferitrina somente nas amostras B, C, E e G. Unitermos: Bauhinia forfi cata, controle de qualidade, kaempferitrina.ABSTRACT: "Quality control of drugs with Bauhinia forfi cata Link (Fabaceae)". The present study aimed to use methods to perform the quality control of some vegetal drugs based on Bauhinia forfi cata from Itajaí and Balneário Camboriú, using the fl avonoid kaempferitrin as chemical marker. The methods used were thin layer chromatography (TLC) and high performance liquid chromatography (HPLC), besides microscopic analysis, label analysis and organoleptic characteristics and strange material presence. All the analyses were compared with the authentic sample of B. forfi cata (A) results. This study used six commercial samples which were denoted as B-G. In the strange material analyses, all the samples were disapproved because they were above 2%. Microscopic analyses revealed that only B and G samples were identical to B. forfi cata (A). The chromatographic results suggested that only the samples B, C, E and G presented kaempferitrin.
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