期刊
FOOD CHEMISTRY
卷 84, 期 4, 页码 527-531出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0308-8146(03)00274-7
关键词
non-starch polysaccharides; phenolic acids; cereals; millet; germination; ferulic acid
Non-starch polysaccharide-phenolic acid complexes were isolated from native and germinated (96 h) cereals, such as rice, maize, wheat and millet-ragi. They were designated as water extractable (WEPs, yield: 0.60-3.56%) and water-unextractable (WUPs, yield: 7.49-37.8%) non-starch polysaccharides, which consisted mainly of arabinose, xylose and glucose in different ratios and differed in their bound phenolic acid contents (43.7-4023 mug/g). Ferulic and coumaric acids, the main bound phenolic acids, were predominantly bound (similar to90%) to WUPs. The amount of ferulic acid is several-fold higher than that of coumaric acid and their contents decreased markedly upon germination. (C) 2003 Elsevier Ltd. All rights reserved.
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