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Water-soluble procyanidins obtained by fermentation of a tannin exrtact of roots Fragaria vesca were analyzed by high performance liquid chromatography. Three dimers, procyanidins B1, B2 and B5, and two monomers, (+) catechin and (-) epicatechin, were identified and quantified. These procyanidins exhibit antibacterial and marked angiprotective properties.
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Vennat et al. (1988) studied this question.
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