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Provedor de dados:  Inra
País:  France
Título:  Characterisation of highly polymerised prodelphinidins from skin and flesh of four cashew apple (Anacardium occidentale L.) genotypes
Autores:  Michodjehoun-Mestres, L.
Souquet, J.M.
Fulcrand, H.
Meudec, E.
Reynes, M.
Brillouet, J.M.
Data:  2009
Ano:  2009
Palavras-chave:  CASHEW APPLE
PSEUDO FRUIT
SKIN
FLESH
TANNIN
PRODELPHINIDIN
EPIGALLOCATECHIN
SIZE-EXCLUSION CHROMATOGRAPHY
TANNASE
Resumo:  Tannins were extracted by acetone/water 60:40 from skin and flesh of four cashew apple genotypes from Brazil and Benin (West Africa), and separated from monomeric phenols. Tannins were submitted to acid-catalysed degradation in the presence of phloroglucinol and the products were analysed by HPLC-DAD/ESI-MS. Both skin and flesh tannins contained high percentages of (-)-epigallocatechin and (-)epigallocatechin-O-gallate, followed by minor quantities of (-)-epicatechin and (-)-epicatechin-3-O-gallate; 100% of the compounds were the 23-cis configuration. Skin tannins were half as galloylated (similar to 20%) than flesh tannins (similar to 40%). Their weight-average molecular weight (M-w) was high
Tipo:  Journal Article
Idioma:  Inglês
Identificador:  http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010f4002907&uri=/notices/prodinra1/2010/08/
Fonte:  Food Chemistry. 2009, 114 (3) : 989-995
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