Effects of temperature fluctuations on the quality and microbial diversity of beef meatballs during simulated cold chain distribution

Author:

Yuan Jingjing123,Wang Zhaoming123ORCID,Li Huale123,Xu Baocai123ORCID

Affiliation:

1. School of Food and Biological Engineering Hefei University of Technology Hefei China

2. Engineering Research Center of Bio‐process, Ministry of Education Hefei University of Technology Hefei China

3. Key Laboratory of Animal Source of Anhui Province Hefei University of Technology Hefei China

Abstract

AbstractBACKGROUNDCold chain distribution with multiple links maintains low temperatures to ensure the quality of meat products, whereas temperature fluctuations during this are often disregarded by the industry. The present study simulated two distinct temperatures cold chain distribution processes. Quality indicators and high‐throughput sequencing were employed to investigate the effects of temperature fluctuations on the quality and microbial diversity of beef meatballs during cold chain distribution.RESULTSQuality indicators revealed that temperature fluctuations during simulated cold chain distribution significantly (P < 0.05) exacerbated the quality deterioration of beef meatballs. High‐throughput sequencing demonstrated that temperature fluctuations affected the diversity and structure of microbial community. Lower microbial species abundance and higher microbial species diversity were observed in the temperature fluctuations group. Proteobacteria and Pseudomonas were identified as the dominant phylum and genus in beef meatballs, respectively, exhibiting faster growth rates and greater relative abundance under temperature fluctuations.CONCLUSIONThe present study demonstrates that temperature fluctuations during simulated cold chain distribution can worsen spoilage and shorten the shelf life of beef meatballs. It also offers certain insights into the spoilage mechanism and preservation of meat products during cold chain distribution. © 2024 Society of Chemical Industry.

Publisher

Wiley

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