期刊
INTERNATIONAL DAIRY JOURNAL
卷 34, 期 1, 页码 125-134出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.idairyj.2013.07.013
关键词
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资金
- Irish Department of Agriculture: Food Institutional Research Measure (F.I.R.M.) [08RDCIT600]
- The Irish Research Council for Science, Engineering & Technology (IRCSET) [RS/2011/13]
This study characterised exopolysaccharide-producing lactic acid bacteria and examined their potential for use in Cheddar cheese manufacture. Two strains were chosen for incorporation as adjunct cultures in Cheddar cheese manufacture: namely, the homopolysaccharide-producers Weissella cibaria MG1 and Lactobacillus reuteri cc2. These strains both produce dextrans with molecular masses ranging from 10(5) to 10(7) Da. Both strains were used in the production of miniature Cheddar cheeses that employed a conventional commercial cheese starter culture Lactococcus lactis R604. A cheese was also included that used purified dextran as an ingredient. The W. cibaria strain survived in cheese with levels increasing by 1.5 log cycles over the ripening period. All experimental cheeses ( adjunct or exopolysaccharide ingredient) had higher moisture levels compared with the control cheese made using starter alone. Inclusion of the adjunct strains had no detectable negative effects on cheeses in terms of proteolysis. (C) 2013 Elsevier Ltd. All rights reserved.
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