期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 172, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.lwt.2022.114168
关键词
Organic acid; Alcoholic beverages; Microbial metabolism; Baijiu
资金
- National Natural Science Foundation of China (NSFC)
- [32102119]
- [31972193]
Organic acids are important components in alcoholic beverages, contributing to their flavor and physiological significance. The regulation of organic acids in complex microbial communities during the fermentation process is still unclear. Further research is needed to understand the metabolic characteristics of acid-producing bacteria and how to control factors affecting organic acid production. This review examines the distribution of organic acids in different alcoholic beverages, discusses their metabolism and driving forces, and proposes a potential approach to regulate their formation for improved flavor and physiological significance.
Organic acids are important components in alcoholic beverages, and have vital flavor contributions and physi-ological significance to the liquor body. Currently researchers focus on the identification, metabolism and physiological significance of organic acids in alcoholic beverage. However, the regulation of organic acids in complex microbial communities remains unclear during the fermentation of alcoholic beverages. Metabolic characteristics of acid-producing bacteria and how to artificially mediate metabolic factors affecting organic acids need to be solved urgently. We reviewed the distributions of organic acids in spread of alcoholic beverages, and discussed the metabolism of organic acids and their driving forces. Furthermore, we provided a potential approach to regulate the formation of organic acids in the complex microbial communities, for improving the flavor and physiological significance of alcoholic beverages.Functional microorganisms (like Lactobacillus, Bacillus, Weissella, Saccharomyces and Saccharomycopsis etc.) are responsible for the metabolism of organic acids in the production of alcoholic beverages. Moreover, we highlight that lactic acid and acetic acid are the universal acids in Baijiu, Huangjiu and rice wine, and they are produced through the pathway of homofermentation and heterofermentation by lactic acid bacteria (LAB). In addition, the diversities of acids are dynamic among different alcoholic beverages, as the synergistic effects of abiotic and biotic factors (microbes, temperature, humidity, etc.). Herein, as the accumulation of knowledge on the meta-bolism of organic acids and their responsible microbes, we carefully discussed the potential approach to adjust the formation of organic acid in the fermentation of alcoholic fermentations.
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