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Evaluation of the Relationship among Biogenic Amines, Nitrite and Microbial Diversity in Fermented Mustard

文献类型： 外文期刊

作者： Yu, Yangyang 1 ; Li, Lu 2 ; Xu, Yujuan 2 ; An, Kejing 2 ; Shi, Qiao 3 ; Yu, Yuanshan 2 ; Xu, Zhenlin 1 ;

作者机构： 1.South China Agr Univ, Coll Food Sci, Guangdong Prov Key Lab Food Qual & Safety, Guangzhou 510610, Peoples R China

2.Guangdong Acad Agr Sci, Sericultural & Agri Food Res Inst, Key Lab Funct Foods, Minist Agr & Rural Affairs,Guangdong Key Lab Agr, Guangzhou 510610, Peoples R China

3.Yunnan Acad Agr Sci, Inst Agroprod Proc, Kunming 650032, Yunnan, Peoples R China

关键词： fermented mustard; biogenic amines; nitrite; microbial diversity

期刊名称：MOLECULES （ 影响因子：4.412； 五年影响因子：4.588 ）

ISSN：

年卷期： 2021 年 26 卷 20 期

页码：

收录情况： SCI

摘要： Biogenic amines (BAs) and nitrites are both considered harmful compounds for customer health, and are closely correlated with the microorganisms in fermented mustard (FM). In this study, BAs and nitrite contents in fifteen FM samples from different brands were analyzed. The concentrations of cadaverine in one sample and of histamine in one sample were above the toxic level. Moreover, five FM samples contained a high level of nitrite, exceeding the maximum residue limit (20 mg/kg) suggested by the National Food Safety Standard. Then, this study investigated bacterial and fungal communities by high-throughput sequencing analysis. Firmicutes and Basidiomycota were identified as the major bacteria and fungi phylum, respectively. The correlations among microorganisms, BAs and nitrite were analyzed. Typtamine showed a positive correlation with Lactobacillus and Pseudomonas. Cadaverine and nitrite is positively correlated with Leuconostoc. Furthermore, thirteen strains were selected from the samples to evaluate the accumulation and degradation properties of their BAs and nitrite. The results indicated that the Lactobacillus isolates, including L. plantarum GZ-2 and L. brevis SC-2, can significantly reduce BAs and nitrite in FM model experiments. This study not only assessed the contents of BAs and nitrite in FM samples, but also provided potential starter cultures for BAs and nitrite control in the FM products industry.

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