Development and validation of a high-performance liquid chromatography method for quantification of egonol and homoegonol in Styrax species.
Biomed Chromatogr
; 26(7): 869-74, 2012 Jul.
Article
em En
| MEDLINE
| ID: mdl-22020655
Styrax camporum Pohl, known in Brazil as 'estoraque do campo' or 'cuia de brejo', has been used in the treatment of gastrointestinal diseases. The therapeutic action of S. camporum has been attributed to the ethyl acetate fraction, although the chemical composition of this fraction has not yet been analyzed. In this study, a high-performance liquid chromatography photodiode array detection (HPLC-PAD) method for analysis of Brazilian Styrax species has been developed. The compounds egonol (1) and homoegonol (2) were found to be present in all the samples investigated by HPLC. These compounds were isolated by open column chromatography followed by preparative TLC, and were identified by ¹H NMR. Compounds 1 and 2 were thus proposed as phytochemical markers for Styrax, owing to their biological properties and presence in other Styrax species. The developed method has been validated and successfully applied for quantification of 1 and 2 in S. camporum dried leaves and crude ethanolic extracts from S. ferrugineus and S. pohlii aerial parts.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Benzofuranos
/
Extratos Vegetais
/
Cromatografia Líquida de Alta Pressão
/
Styrax
Tipo de estudo:
Diagnostic_studies
/
Prognostic_studies
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Biomed Chromatogr
Ano de publicação:
2012
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Reino Unido