Study on quality change and shelf life of Guangdong style salt baked chicken storaged in 4 ℃
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(1. South China Agricultural University Food College, Guangzhou, Guangdong 510642 China; 2. Guangdong Tiannong Food Co., Ltd., Qingyuan, Guangdong 511827 China)

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    Abstract:

    The quality change and shelf life of Guangdong packaged salted chicken were studied, which was storaged in 4 ℃. Results: Ssensory score decreased significantly in the 15th, 18th and 21th days (P<0.05), while, it exceeded acceptance in the 18th day, with the brightness L* value and yellowing a* value decreasing significantly (P<0.05); pH increased first and then decreased (P>0.05). The difference was not significant, volatile salt nitrogen and acid value were all increasing, and the variation of volatile salt nitrogen and nitrogen in chicken skin was significantly different (P<0.05), in the 18th day, the volatile salt based nitrogen in the chicken was 15 mg/100 g and the chicken acid value was significantly different in the 15th, 18th and 21th days (P<0.05); the shear force decreased significantly (P<0.05), while the hardness, chewiness and the tensile strength of chicken skin increased significantly (P<0.05); the total number of Escherichia coli and colonies were not beyond the limit of going abroad, and Salmonella was not detected. Therefore, the quality of cantonese style salt baked chicken with vacuum packaging decreased with the prolongation of storage time at 4 degree storage, suggesting that the longest storage period less than 15 days.

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周乐丹,艾民珉,凌子庭,等.4 ℃贮藏下粤式盐焗鸡品质变化及保质期研究[J].食品与机械英文版,2018,34(6):115-120.

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History
  • Received:February 03,2018
  • Revised:
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  • Online: March 17,2023
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