Effect of lysozyme and Chinese liquor on Staphylococcus aureus growth, microbiome, flavor profile, and the quality of dry fermented sausage
文献类型： 外文期刊
作者： Li, Huanhuan 1 ; Chen, Yifan 1 ; Tang, Honggang 1 ; Zhang, Jin 1 ; Zhang, Lifeng 2 ; Yang, Xingran 2 ; Wang, Fulong 1 ; C 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Food Sci, 298 Deshengzhonglu, Hangzhou 310021, Peoples R China
2.China Jiliang Univ, Coll Standardizat, Hangzhou 310021, Peoples R China
关键词： Synergistic effect of antibacterial; Bacterial community; Volatile compounds; Traditional dry fermented sausages; Inhibition of staphylococcal enterotoxin production
期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：4.952； 五年影响因子：5.383 ）
ISSN： 0023-6438
年卷期： 2021 年 150 卷
页码：
收录情况： SCI
摘要： The synergistic effect of lysozyme and Chinese liquor on the inhibition of Staphylococcus aureus growth and staphylococcal enterotoxin production, as well as the effect on microbiome, flavor profile, and the quality improvement of dry fermented sausages during 18 days storage were evaluated. The result of the disc diffusion method showed that 25 mu L/mL of liquor (the corresponding concentration of alcohol was 10 mu L/mL) and 10 mg/ mL of lysozyme had a more significant (P < 0.05) effect on the inhibition of S. aureus than that of other concentrations. Lysozyme combined with liquor could significantly reduce (decrement of 2.8 log10 CFU/g) the total S. aureus counts of sausages, and significantly inhibit staphylococcal enterotoxins (SEs) production. The combination treatment had the highest diversity among the four treatments. Moreover, the combination treatment promoted the formation of more volatile compounds, but the total relative content was lower than that of liquor and lysozyme treatments. There were no obvious effects on TBARS values in different treatments. The total volatile basic nitrogen in combination treated sausages was generally lower than that of other treatments. This study confirmed that the combination treatment could be an alternative to improve the safety and quality of sausages.
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