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Wu Y, Hou Y, Chen H, Wang J, Zhang C, Zhao Z, Ao R, Huang H, Hong J, Zhao D, Sun B. “Key Factor” for Baijiu Quality: Research Progress on Acid Substances in Baijiu. Foods 2022; 11:foods11192959. [PMID: 36230035 PMCID: PMC9562207 DOI: 10.3390/foods11192959] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 09/09/2022] [Accepted: 09/18/2022] [Indexed: 11/16/2022] Open
Abstract
Baijiu is the national liquor of China, which has lasted in China for more than 2000 years. Abundant raw materials, multi-strain co-fermentation, and complex processes make the secrets of baijiu flavor and taste still not fully explored. Acid substances not only have a great influence on the flavor and taste of baijiu, but also have certain functions. Therefore, this paper provides a systematic review for the reported acid substances, especially for their contribution to the flavor and functional quality of baijiu. Based on previous studies, this paper puts forward a conjecture, a suggestion, and a point of view, namely: the conjecture of “whether acid substances can be used as ‘key factor’ for baijiu quality “; the suggestion of “the focus of research on acid substances in baijiu should be transferred to evaluating their contribution to the taste of baijiu”; and the view of “acid substances are ‘regulators’ in the fermentation process of baijiu”. It is worth thinking about whether acid substances can be used as the key factors of baijiu to be studied and confirmed by practice in the future. It is hoped that the systematic review of acid substances in baijiu in this paper can contribute to further in-depth and systematic research on baijiu by researchers in the future.
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Affiliation(s)
- Yashuai Wu
- Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Haidian District, No. 11, Fucheng Road, Beijing 100048, China
- Beijing Laboratory of Food Quality and Safety, Beijing Technology and Business University, Beijing 100048, China
| | - Yaxin Hou
- Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Haidian District, No. 11, Fucheng Road, Beijing 100048, China
- Beijing Laboratory of Food Quality and Safety, Beijing Technology and Business University, Beijing 100048, China
| | - Hao Chen
- Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Haidian District, No. 11, Fucheng Road, Beijing 100048, China
- Beijing Laboratory of Food Quality and Safety, Beijing Technology and Business University, Beijing 100048, China
| | - Junshan Wang
- Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Haidian District, No. 11, Fucheng Road, Beijing 100048, China
- Beijing Laboratory of Food Quality and Safety, Beijing Technology and Business University, Beijing 100048, China
| | - Chunsheng Zhang
- Chengde Qianlongzui Distillery Company, Chengde 067400, China
| | - Zhigang Zhao
- Chengde Qianlongzui Distillery Company, Chengde 067400, China
| | - Ran Ao
- Chengde Qianlongzui Distillery Company, Chengde 067400, China
| | - He Huang
- Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Haidian District, No. 11, Fucheng Road, Beijing 100048, China
- Beijing Laboratory of Food Quality and Safety, Beijing Technology and Business University, Beijing 100048, China
| | - Jiaxin Hong
- Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Haidian District, No. 11, Fucheng Road, Beijing 100048, China
- Beijing Laboratory of Food Quality and Safety, Beijing Technology and Business University, Beijing 100048, China
- Department of Nutrition and Health, China Agriculture University, Beijing 100193, China
| | - Dongrui Zhao
- Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Haidian District, No. 11, Fucheng Road, Beijing 100048, China
- Beijing Laboratory of Food Quality and Safety, Beijing Technology and Business University, Beijing 100048, China
- Correspondence: ; Tel.: +86-10-68988715
| | - Baoguo Sun
- Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Haidian District, No. 11, Fucheng Road, Beijing 100048, China
- Beijing Laboratory of Food Quality and Safety, Beijing Technology and Business University, Beijing 100048, China
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