期刊
JOURNAL OF CEREAL SCIENCE
卷 46, 期 3, 页码 348-355出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jcs.2007.07.006
关键词
rye; germination; sourdough fermentation; bioactive compounds
Processing is important both for the sensory and nutritional quality of grains. In the case of whole grains, it especially may influence the levels and bioavailability of the bioactive compounds. Yeast, lactic acid and mixed fermentation were shown to vary in their effects on native and germinated wholemeal rye flour. The presence of Saccharomyces cerevisiae was important for enhanced levels of the analysed compounds. The levels of folates, free phenolic acids, total phenolic compounds, lignans and alkylresorcinols were increased especially by fermentation of germinated rye, which also resulted in lower pH when compared with native rye flour, the level of folate was increased up to seven-fold and that of free phenolic acids by up to ten-fold after germination and fermentation. Tailored fermentation thus offers a tool to further increase the bioactive potential of wholemeal rye. (c) 2007 Elsevier Ltd. All rights reserved.
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