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Insight into the quality deterioration induced by microorganisms in Litopenaeus vannamei during superchilling storage
Food Science and Human Wellness
Available online: 26 February 2024
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Quality deterioration induced by microbial community in Litopenaeus vannamei during superchilling storage were demonstrated in this study. In this study, 6 microorganisms were identified as the biomarkers by 16S rDNA sequencing and 71 differential metabolites were identified by untargeted metabolomics. The correlation analysis between microorganisms and differential metabolites revealed that Oceanicaulis, Aliihoeflea, Prauserella, Chelativorans and Pseudoalteromonas had the potential to be the important microorganisms of deterioration of superchilled shrimp. Moreover, the spearman correlation analysis revealed that L* value had highly significant correlation with Shewanella (P < 0.01), and TBA value, TVC value total sulfhydryl content, TCA-soluble peptide and Ca2+-ATPase activity showed significantly correlation with Oceanicaulis, Prauserella, Chelativorans, Aliihoeflea and Pseudoalteromonas (P < 0.05). This study offers a better understanding for mechanisms behind quality degradation induced by microorganisms, which may help the quality maintaining of Pacific white shrimp during superchilling storage.

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