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Interaction of lactic acid bacteria with metal ions: opportunities for improving food safety and quality

期刊

WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
卷 28, 期 9, 页码 2771-2782

出版社

SPRINGER
DOI: 10.1007/s11274-012-1094-2

关键词

Lactic acid bacteria; Metal ions; Trace elements; Biosorption; Detoxification; Biotransformation

资金

  1. Ministry of Science and Technology of Republic Croatia

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Certain species of lactic acid bacteria (LAB), as well as other microorganisms, can bind metal ions to their cells surface or transport and store them inside the cell. Due to this fact, over the past few years interactions of metal ions with LAB have been intensively investigated in order to develop the usage of these bacteria in new biotechnology processes in addition to their health and probiotic aspects. Preliminary studies in model aqueous solutions yielded LAB with high absorption potential for toxic and essential metal ions, which can be used for improving food safety and quality. This paper provides an overview of results obtained by LAB application in toxic metal ions removing from drinking water, food and human body, as well as production of functional foods and nutraceutics. The biosorption abilities of LAB towards metal ions are emphasized. The binding mechanisms, as well as the parameters influencing the passive and active uptake are analyzed.

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