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中国精品科技期刊2020
孙金龙, 刘莉丹, 张春江, 陈永凯, 师希雄, 黄峰. 不同包装方式对土豆烧牛肉菜肴中牛肉贮藏品质的影响[J]. 食品工业科技, 2020, 41(23): 203-208. DOI: 10.13386/j.issn1002-0306.2019090268
引用本文: 孙金龙, 刘莉丹, 张春江, 陈永凯, 师希雄, 黄峰. 不同包装方式对土豆烧牛肉菜肴中牛肉贮藏品质的影响[J]. 食品工业科技, 2020, 41(23): 203-208. DOI: 10.13386/j.issn1002-0306.2019090268
SUN Jin-long, LIU Li-dan, ZHANG Chun-jiang, CHEN Yong-kai, SHI Xi-xiong, HUANG Feng. Effects of Different Packaging Methods on Beef Storage Quality in Braised Beef with Potatoes[J]. Science and Technology of Food Industry, 2020, 41(23): 203-208. DOI: 10.13386/j.issn1002-0306.2019090268
Citation: SUN Jin-long, LIU Li-dan, ZHANG Chun-jiang, CHEN Yong-kai, SHI Xi-xiong, HUANG Feng. Effects of Different Packaging Methods on Beef Storage Quality in Braised Beef with Potatoes[J]. Science and Technology of Food Industry, 2020, 41(23): 203-208. DOI: 10.13386/j.issn1002-0306.2019090268

不同包装方式对土豆烧牛肉菜肴中牛肉贮藏品质的影响

Effects of Different Packaging Methods on Beef Storage Quality in Braised Beef with Potatoes

  • 摘要: 本试验主要对比了免拆膜包装、真空包装和托盘包装对土豆烧牛肉菜肴中牛肉的菌落总数、色值、水分活度、水分含量、硬度、弹性等指标来阐述不同包装方式对土豆烧牛肉菜肴中牛肉贮藏品质的影响。结果表明,随着储藏时间延长,三种包装方式样品的菌落总数逐渐升高,其中贮藏4~11 d时,菌落总数上升最快,储存到21 d后,真空包装样品的菌落总数达到4.68 lg(CFU/g),免拆膜包装达到5.04 lg(CFU/g),菌落总数超标托盘包装样品已腐败;贮藏后期真空包装的土豆烧牛肉菜肴中牛肉的水分含量和水分活度分别达到50.25%和0.97,均高于免拆膜包装和托盘包装;真空包装的感官评分值为8.18,显著高于其他两种包装(P<0.05)。三种包装方式的pH在6.04~6.14之间,且无显著性差异(P>0.05);真空包装的色值、硬度、弹性等食用品质指标均优于免拆膜包装和托盘包装。由此可知,真空包装的土豆烧牛肉中牛肉的食用品质最好且可以长时间保存,免拆膜包装方式操作简单,但其包装效果不及真空包装,但明显优于托盘包装,这为土豆烧牛肉菜肴的工业化生产提供了可靠的理论依据。

     

    Abstract: In this experiment,the effects of different packaging methods on the storage quality of braised beef with potatoes were studied by comparing the effects of different packaging methods on the total number of colonies,color value,water activity,moisture content,hardness and elasticity. The results showed that the total number of colonies of the three packaging methods gradually increased with the extension of storage time. Among them,the total number of colonies increased fastest when stored for 4 to 11 days. After 21 days of storage,the total number of colonies of vacuum-packed samples reached 4.68 lg(CFU/g),the film-free packaging reaches 5.04 lg(CFU/g),the total number of colonies exceeded the standard,and the tray packaging samples were spoiled. The moisture content and water activity of the beef in the vacuum-packed braised beef with potatoes during the storage period reached 50.25% and 0.97,respectively,both higher than film-free packaging and pallet packaging.The sensory score of vacuum packaging was 8.18,significantly higher than the other two packaging. The pH of the three packaging methods were between 6.04 and 6.14,and there was no significant difference between each other(P>0.05). The vacuum packaging color value,hardness,elasticity and other edible quality indicators were better than the film-free packaging and tray packaging. It could be seen that the vacuum-packed braised beef with potatoes had the best edible quality and could be stored for a long time. The film-free packaging method was simple to operate,its packaging effect was not as good as vacuum packaging,but it was obviously better than tray packaging,which provided a reliable theoretical basis for the industrialized production of braised beef with potatoes.

     

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