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Effect of Mixed Starters on Proteolysis and Formation of Biogenic Amines in Dry Fermented Mutton Sausages

文献类型： 外文期刊

作者： Wang, Debao 1 ; Hu, Guanhua 1 ; Wang, Huiting 1 ; Wang, Limei 2 ; Zhang, Yuanyuan 2 ; Zou, Yufu 3 ; Zhao, Lihua 1 ; Liu, Fang 4 ; Jin, Ye 1 ;

作者机构： 1.Inner Mongolia Agr Univ, Coll Food Sci & Engn, Dept Food Sci, Hohhot 010018, Peoples R China

2.Inner Mongolia Acad Agr & Anim Husb Sci, Inst Agr & Livestock Prod Proc, Hohhot 010031, Peoples R China

3.Zhengxiang White Banner Mengsheng Meat Ind Co Ltd, Xilingol 013800, Peoples R China

4.Jiangsu Acad Agr Sci, Inst Agr Prod Proc, Nanjing 210014, Peoples R China

关键词： dry fermented sausage; starter cultures; mutton; proteolysis; biogenic amines

期刊名称：FOODS （ 影响因子：5.561； 五年影响因子：5.94 ）

ISSN：

年卷期： 2021 年 10 卷 12 期

页码：

收录情况： SCI

摘要： In this study, by comparing the four groups of sausages, namely, CO (without starter culture), LB (with Lactobacillus sakei), LS (with L. sakei 3X-2B + Staphylococcus xylosus SZ-8), and LSS (with L. sakei 3X-2B + S. xylosus SZ-8 + S. carnosus SZ-2), the effects of mixed starter cultures on physical-chemical quality, proteolysis, and biogenic amines (BAs) during fermentation and ripening were investigated. Inoculation of the mixed starter cultures increased the number of lactic acid bacteria and staphylococci in sausages during fermentation and ripening for 0 to 5 days. The L. sakei 3X-2B + S. xylosus SZ-8 + S. carnosus SZ-2 mixed starter accelerated the rate of acid production and water activity reduction of sausages and improved the redness value. Compared with CO, the mixed starter effectively inhibited Enterobacteriaceae. At the end of ripening, the LSS group was approximately 1.25 CFU/g, which was less than the CO group, thereby reducing the total volatile basic nitrogen (TVB-N) in the LSS group. The free amino acids in the LS and LSS groups (224.97 and 235.53 mg/kg dry sausage, respectively) were significantly (p < 0.001) higher than that in the CO group (170.93 mg/kg dry sausage). The level of histamine, cadaverine, putrescine, and common BAs showed an opposite trend to the increase of the corresponding precursor amino acid content, which were significantly lower (p < 0.001) in the LS and LSS sausages than in CO. This study showed that L. sakei 3X-2B + S. xylosus SZ-8 + S. carnosus SZ-2 is a potential mixed starter for fermented meat products.

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