4.7 Article

Elimination of ethyl carbamate in fermented foods

Journal

FOOD BIOSCIENCE
Volume 47, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.fbio.2022.101725

Keywords

Fermented foods; Alcoholic beverages; Ethyl carbamate; Elimination strategies; Nitrogen metabolism

Funding

  1. National Key Research and Devel-opment Program of China [2017YFC1600403]
  2. Foundation for Innovative Research Groups of the National Natural Science Foundation of China [32021005]
  3. National Science Fund for Excellent Young Scholars [21822806]

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This review summarizes various technologies and their applications for eliminating ethyl carbamate (EC) in fermented foods, and discusses the factors affecting its content and different strategies for its elimination.
Ethyl carbamate (EC) is a common harmful by-product in fermented foods and can be derived from raw materials or formed during the fermentation or even in the post-treatment. Its content can be affected by temperature, microorganisms, technological processes, and other factors. In this review, we summarized the technologies and their applications for EC elimination in fermented foods in the light of upstream processes, such as raw material pretreatment, lower temperature, breeding microorganisms, and exogenous substances, to the downstream enzymatic method and physical adsorption. The review covers different strategies to eliminate EC, such as strain breeding, genetic engineering, enzyme, and physicochemical strategies. By comparing these strategies, practical strategies for the efficient elimination of EC in different fermented foods on an industrial scale have been discussed and proposed in consideration of flavor, food safety and feasibility of an industrial application.

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