Abstract
The aim of this study was to investigate the effects of allicin and antioxidant of bamboo leaves (AOB) with slightly acidic electrolyzed water (SAEW) pretreatment on the microbiological, physicochemical quality and moisture migration of bullfrog (Lithobates catesbeiana) during refrigerated storage. The results showed that slightly acidic electrolyzed water combined with composite preservative treatment (SAA) could effectively inhibit microbial proliferation in bullfrogs, which reflected by total viable counts (TVC). The analysis low-field nuclear magnetic resonance (LF-NMR), water holding capacity (WHC), magnetic resonance imaging (MRI), and drip loss demonstrated that SAA can keep the freshness of bullfrog meat by preventing water migration. Moreover, SAA treatment also retard the increase of pH, malondialdehyde (MDA), total volatile basic nitrogen (TVB-N), biogenic amines and K-value, which also delay the deterioration of bullfrog meat and maintain a good sensory score. In conclusion, this study proved that SAA treatment can be used as an effective treatment to sustain the quality of bullfrogs during refrigerated storage.
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