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包装处理方式对冰温贮藏黄鳝片品质的影响
引用本文:吕凯波,熊善柏,王佳雅.包装处理方式对冰温贮藏黄鳝片品质的影响[J].华中农业大学学报,2007,26(5):714-718.
作者姓名:吕凯波  熊善柏  王佳雅
作者单位:1. 华中农业大学食品科技学院,武汉,430070;湖北省水产品加工工程技术研究中心,武汉,430070
2. 华中农业大学食品科技学院,武汉,430070
基金项目:湖北省自然科学基金项目(2007ABA026),国家科技支撑计划项目(2006BAD30B01,2006BAK02A22)资助
摘    要:以生鲜黄鳝为试材,分别测定普通包装、真空包装、100%CO2充气包装和新鲜、添加2.0%蔗糖、添加2.5%食盐的黄鳝片在冰温贮藏过程中的细菌总数、总挥发性盐基氮(TVB-N)、pH值、总酸度和肉汁渗出率,观察包装处理方式对冰温贮藏黄鳝片品质的影响。结果表明,不同的处理方法和包装方式对冰温贮藏过程中黄鳝片品质变化有明显影响。加盐腌制调味、真空包装或CO2充气包装有利于抑制黄鳝片中细菌的生长和TVB-N的产生,延长黄鳝片的冰温保鲜时间。采用真空包装或CO2充气包装的黄鳝片冰温贮藏23 d后TVB-N含量分别为95.80 mg/kg和89.10 mg/kg,仍可达到1级鲜度指标。但真空包装会导致冰温贮藏后期黄鳝片肉汁渗出率增大。

关 键 词:黄鳝  品质  冰温保鲜  包装方式
文章编号:1000-2421(2007)05-0714-05
修稿时间:2007-03-06

Effect of Treatments and Packages on Qualities of Monopterus albus Slices during Controlled Freezing-point Storage
LV Kai-bo,XIONG Shan-bai,WANG Jia-ya.Effect of Treatments and Packages on Qualities of Monopterus albus Slices during Controlled Freezing-point Storage[J].Journal of Huazhong Agricultural University,2007,26(5):714-718.
Authors:LV Kai-bo  XIONG Shan-bai  WANG Jia-ya
Institution:1.College of Food Science and Technology, Huazhong Agricultural University ,Wuhan 430070,China; 2.Aquatic Engineering and Technology Research Center of Hubei Province ,Wuhan 430070,China
Abstract:Monopterus albus slices(mud slices) treated or not treated by 2.0% sucrose,2.5% salt were packed with common package,vacuum package and CO2 filling gas package,respectively,and then stored at control freezing-point temperature.The aerobic bacterial counts,total volatile basic nitrogen value(TVB-N),pH value,total acid and the drop loss rate of mud slices during storage were measured in order to investigate the effect of pre-treatments and package methods on the qualities of mud slices.Results showed that common package with 2.5% salt treated,vacuum package and CO2 filling gas package without pre-treatment could inhibit microbial growth,decrease TVB-N value and extend shelf life of mud slices,effectively.The TVB-N of mud slices with vacuum package and CO2 filling gas package was 95.80 mg/kg and 89.10 mg/kg respectively under the control freezing-point temperature storage after 23 days,which still maintained the quality of first grade.However,vacuum package would increase the drop loss rate of the mud slices.
Keywords:Monopterus albus  quality  controlled freezing-point storage  package method
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