期刊
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
卷 97, 期 1, 页码 244-251出版社
WILEY-BLACKWELL
DOI: 10.1002/jsfa.7721
关键词
fermentation; phosphorus; phytase; protein; pig; wheat bran
资金
- Danish Business Authority, Renewal Foundation
- Ministry of Food, Agriculture and Fisheries
BACKGROUNDTo increase self-supply of protein and phosphorus (P) in European pig and poultry diets and reduce nitrogen (N) and P excretion, attention is directed to approaches increasing protein and P digestibility of rapeseed, sunflower and faba beans. Wheat bran is rich in enzymes degrading and solubilizing protein and phytate. Herein, solubilization of protein, N and P was investigated when increasing ratios of wheat bran were fermented with rapeseed meal (RSM), sunflower meal (SFM), faba beans (FB) or a combination of these (RSM/SFM/FB). RESULTSProtein, N and P solubility was greater, for all mixtures, the more wheat bran was included and the longer the mixtures were fermented. The increase in N (FB > RSM/SFM/FB > SFM > RSM) and protein solubility (RSM/SFM/FB > RSM > SFM > FB) was greatest from day 0 to day 3 and thereafter limited, whereas P solubility increased during the whole period (5 days; FB > RSM/SFM/FB > SFM > RSM). In general, FB showed the highest solubility and highest increase in N and P solubility, while RSM showed the highest protein solubility and RSM/SFM/FB the highest increase in protein solubility. CONCLUSIONFermentation of RSM, SFM, FB and RSM/SFM/FB without or with wheat bran uncovers a potential for increased protein and P digestibility and thereby reduced N and P excretion from pigs and poultry. (c) 2016 Society of Chemical Industry
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