Analysis of the non-volatile components and volatile compounds of hydrolysates derived from unmatured cheese curd hydrolysis by different enzymes
文献类型: 外文期刊
作者: Gao, Peng 1 ; Zhang, Wenyuan 1 ; Wei, Miaohong 1 ; Chen, Baorong 1 ; Zhu, Huiquan 1 ; Xie, Ning 1 ; Pang, Xiaoyang 1 ; Marie-Laure, Fauconnier 2 ; Zhang, Shuwen 1 ; Lv, Jiaping 1 ;
作者机构: 1.Chinese Acad Agr Sci, Inst Food Sci & Technol, Beijing 100193, Peoples R China
2.Univ Liege, Lab Chim Mol Nat LCMN, Gembloux Agrobio Tech, 2 Passage Deportes, B-5030 Gembloux, Belgium
3.Chinese Acad Agr Sci, Inst Food Sci & Technol, 2 Yuan Ming Yuan West Rd, Beijing 100193, Peoples R China
关键词: Cheese curd; Proteolysis; Non-volatile taste components; Volatile compounds
期刊名称:LWT-FOOD SCIENCE AND TECHNOLOGY ( 影响因子:6.056; 五年影响因子:6.295 )
ISSN: 0023-6438
年卷期: 2022 年 168 卷
页码:
收录情况: SCI
摘要: Fifteen cheese protein hydrolysates were produced by using four different proteases. Then, the free amino acids (FAAs), molecular weight distribution (MWD), electronic tongue evaluation, and volatile compounds of the corresponding products were evaluated, respectively. The results suggested that 2SD had the strongest hydrolysis characteristic, followed by 6SD and FN. Samples hydrolyzed for less than 6 h or more than 18 h contained great defects of taste. Peptides with 150 Da-450 Da were mainly responsible for bitterness, saltiness, umami, and aftertaste in some enzyme hydrolysis. Under the same total enzyme concentration condition, the sample hy-drolyzed by Flavourzyme and Neutrase for 18 h released more richness and less bitterness than the other systems, which were characterized by butter and cream odor. Notably, it was found for the first time that tetrame-thylpyrazine (TMP) was detected in cheese proteolysis with the highest content of 17.59 mu g/g in Protease 2SD for 30 h. 2-Undecanone and acetoin played a key role in the flavor formation of the tested samples. Regarding the different chemical families of volatiles, acids were more abundant in the samples hydrolyzed by Protease 2SD and 6SD, while FN systems can achieve high ketone content.
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