期刊
FEMS MICROBIOLOGY LETTERS
卷 183, 期 1, 页码 31-35出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0378-1097(99)00624-2
关键词
arginine degradation; citrulline; ethyl carbamate; lactic acid bacterium; malolactic fermentation; Oenococcus oeni
类别
Major commercially available strains for induction of malolactic fermentation in wine were examined for arginine metabolism in a resting cell system ar wine pH with the aim of evaluating their ability to excrete and utilize citrulline, a precursor of carcinogenic ethyl carbamate (urethane). All strains tested excreted citrulline from arginine degradation. Citrulline was stored intracellularly during growth in arginine rich medium and was released upon lysis of the cells. All strains were found to degrade citrulline as a sole amino acid and some of them were able to reutilize previously excreted citrulline. (C) 2000 Federation of European Microbiological Societies. Published by Elsevier Science B.V. All rights reserved.
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