Phenolics of five yam (dioscorea) species |
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| Authors: | O.N. Ozo J.C. Caygill D.G. Coursey |
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| Affiliation: | Tropical Development and Research Institute, 56/62 Gray''s Inn Road, London WC1X 8LU, U.K. |
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| Abstract: | Cyanidin-3-glucoside, (+)-catechin and the procyanidin dimers ‘B-1’ and ‘B-3’ were identified as phenolic constituents of Dioscorea alata tubers, and strong evidence for the presence of a procyanidin trimer and a tetramer was found. The quantity of (+)-catechin and relative proportions of the procyanidin dimers were determined in 10 cultivars of five of the main edible yam species. |
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| Keywords: | Dioscoreaceae yams tubers phenolic constituents (+)-catechin cyanidin-3-glucoside procyanidin |
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