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Thyme essential oil and sausage diameter effects on biogenic amine formation and microbiological load in smoked horse meat sausage

文献类型： 外文期刊

作者： Huang, Liyuan 1 ; Wang, Yuan 1 ; Li, Ruiting 1 ; Wang, Qingling 1 ; Dong, Juan 1 ; Wang, Jingyun 1 ; Lu, Shiling 1 ;

作者机构： 1.Shihezi Univ, Sch Food Sci & Technol, Shihezi 832000, Xinjiang, Peoples R China

2.Sichuan Guojian Inspect Co Ltd, Luzhou 646000, Sichuan, Peoples R China

3.Xinjiang Acad Agr & Reclamat Sci, Anal & Testing Ctr, Shihezi 832000, Xinjiang, Peoples R China

关键词： Biogenic amines; Thyme essential oil; Microbial composition; Smoked equine sausage

期刊名称：FOOD BIOSCIENCE （ 影响因子：3.067； 五年影响因子：3.433 ）

ISSN： 2212-4292

年卷期： 2021 年 40 卷

页码：

收录情况： SCI

摘要： Thyme essential oil (TEO) and sausage diameter effects on biogenic amines (BA) formation and microbial communities in traditional Xinjiang smoked horse meat sausage were studied. Evaluation of the pH, moisture content, and microorganisms population of smoked horsemeat sausage was done. Significant differences due to sausage size were found for BA and microbial populations. Smaller diameter sausages showed decreased (P < 0.05) BA compared to the larger diameter sausages. The use of TEO greatly reduced BA (tyramine, putrescine, cadaverine, and histamine). In addition, TEO decreased the total bacterial count and more specifically the Gramnegative Enterobacteriaceae family (P < 0.05). High throughput sequencing showed that essential oil (EO) treatment and the difference in sausage diameter did not change the predominant microbiota in sausages during fermentation. However, the relative abundance of the microbiota can be changed. The correlation heat map showed relationships between the microbial community and BA production. Staphylococcus, Leuconostoc, and Lactobacillus showed a strong positive relationship with BA formation.

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