期刊
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
卷 92, 期 10, 页码 2020-2028出版社
WILEY-BLACKWELL
DOI: 10.1002/jsfa.5712
关键词
galactooligosaccharides; GOS; lactose; prebiotics; galactose
资金
- Midwest Dairy Foods Research Center, St Paul, MN, USA [H0001666156]
Galactooligosaccharides are sugars composed of 3-10 molecules of galactose and glucose via a transgalactosylation reaction mediated by the enzyme beta-galactosidase. Prebiotics are non-digestible food ingredients that pass through the upper digestive system relatively intact and ferment in the lower colon, producing short-chain fatty acids that support the growth of supplemented or indigenous colonic microbiota. Galactooligosaccharides and other prebiotic ingredients are increasingly being recognized as useful dietary tools for the modulation of the colonic microflora toward a healthy balance. Galactooligosaccharides compare well to other oligosaccharides in terms of their prebiotic, immunomodulation, and functional properties in foods. This review elucidates the galactooligosaccharide production process from refined lactose and/or cheese whey permeates, galactooligosaccharide market share and economic value, their health properties, and potential food applications. Copyright (C) 2012 Society of Chemical Industry
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