Spoilage Bacteria Identification and Food Safety Risk Assessment of Whole Soybean Curd

Chenzhi Wang, Qinling Du, Tianwei Yao, Hongmin Dong, Dingtao Wu, Wen Qin, Dele Raheem, Qing Zhang

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Abstract

As a highly hydrated gel-type food, soybean curd is perishable and the development of spoilage bacteria has been described. Whole soybean curd (WSC), an innovative soy product retains the most nutrients in raw ingredients and exhibits more nutritive value compared with conventional soybean curd (CSC). However, the risk assessment of WSC is not well evaluated up to now. In this study, the same species of spoilage microorganism were separated from WSC and CSC. Two main spoilage strains were separated and identified as B. subtilis and B. cereus. The risk ranking scores of WSC was higher than that of CSC but still within medium risk range. In summary, we reported the presence of B. subtilis and B. cereus in WSC for the first time. Further, application of the risk ranger tool confirmed that the risk profile of WSC was medium and acceptable.

Original languageEnglish
Pages (from-to)250-253
JournalIndian Journal of Microbiology
Volume59
Issue number2
DOIs
Publication statusPublished - 1 Jun 2019
MoEC publication typeA1 Journal article-refereed

Keywords

  • Whole soybean curd, Risk ranking, Predictive models, Spoilage bacteria

Field of science

  • Food science

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