植物源复合保鲜冰对大黄鱼流通期间品质与抗氧化性的影响
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现代农业产业技术体系建设专项(CARS-47);上海水产品加工及贮藏工程技术研究中心能力提升项目;上海市科委公共服务平台建设项目(17DZ2293400)


Effects of Ice with Complex Plant-source Extracts on the Quality and Antioxidant Activity of Large Yellow Croaker (Pseudosciaena crocea) during Logistics Process
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    摘要:

    本文研究了植物源复合保鲜冰对大黄鱼流通期间品质与抗氧化性的影响。通过模拟流通过程,在搬运、运输、配送和销售环节,测定样品在流通期间的感官、微生物(菌落总数、嗜冷菌数)、TVB-N值与抗氧化性(总抗氧化能力、超氧化物歧化酶与丙二醛含量)等指标,研究植物源复合保鲜冰对流通中冰鲜大黄鱼品质的影响。结果:随着流通时间的延长,普通冰对照组和保鲜冰处理组的大黄鱼样品感官分值上升,微生物数和TVB-N值明显升高,且对照组的增长速率大于处理组。对照组样品在流通至347 h时,感官分值和菌落总数分别为(2.34 ± 0.09)lg(CFU/g)与(6.24 ± 0.13)lg(CFU/g),TVB-N值为(30.87 ± 1.56) mgN/100 g,均超出可接受范围,而保鲜冰处理组样品在395 h时各指标均未达到货架期限值。对照组货架期为275~347 h,而保鲜冰处理组可延长货架期48 h以上。对照组样品的T-AOC、SOD值明显下降,MDA值显著上升。由此证明,保鲜冰处理可充分发挥复合保鲜剂的抑菌和抗氧化作用,抑制微生物生长,提高鱼肉抗氧化能力,延长其货架期。

    Abstract:

    Effects of complex plant-source extracts with ice on the quality and antioxidant activity changes of large yellow croaker(Pseudosciaena crocea) during logistics process was studied. Logistics process, such as sample handling, transportation, distribution and sales, were simulated. Sensory evaluation, microbiological(Total viable count, psychrotrophic bacteria count), TVB-N value and antioxidant activity (Total antioxidant capacity, Superoxide Dismutase and Malondialdehyde) were measured respectively so as to research on the effects of complex plant-source extracts with ice on the quality and antioxidant activity changes of large yellow croaker (Pseudosciaena crocea) during circulation. The results show that sensory score of CK group was increased with the prolongation of the circulation time. The TVC, PBC and TVB-N value were increased significantly, and the growth rate of CK group was higher than that of treatment (T) group. The sensory scores and TVC of CK group reached (2.34 ± 0.09)lg(CFU/g) and (6.24 ± 0.13)lg(CFU/g) respectively, TVB-N value was (30.87 ± 1.56)mgN/100 g, which was beyond the acceptability limits, and that of T group could not reach the limits of shelf life at 395 h. The shelf life of CK group was 275-347h, while T group could extend the shelf life of more than 48h. The changes of T-AOC, SOD and MDA in CK group were higher than those in T group. The increase rate of MDA in CK group was also higher than that of T group. It was proved that ice with complex plant-source extracts treatment could exert its antibacterial and antioxidant activity, inhibit the growth of microorganisms, improve the antioxidant capacity of fish and prolong its shelf life.

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王 倩;蓝蔚青;张楠楠;孙晓红;谢 晶.植物源复合保鲜冰对大黄鱼流通期间品质与抗氧化性的影响[J].中国食品学报,2019,19(11):179-185

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  • 在线发布日期: 2019-12-02
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