真空腌制与传统腌制加工过程中腊肉的品质变化
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(1.湖南农业大学食品科技学院,湖南 长沙 410128;2. 食品科学与生物技术湖南省重点实验室,湖南 长沙 410128)

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罗青雯(1990—),女,湖南农业大学在读硕士研究生。E-mail:190814558@qq.com

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公益性行业(农业)科研专项(编号:201303082)


Effect of vacuum curing and dry curing on quality change of dry-smoked meat during processing
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(1. College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China; 2. Hunan Province Key Laboratory of Food Science and Biotechnology, Changsha, Hunan 410128, China)

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    摘要:

    研究真空腌制和传统腌制加工过程中腊肉质量变化规律。对两种腌制方式腊肉在不同加工阶段的水分和食盐含量、亚硝酸钠残留量、微生物指标、颜色及挥发性风味物质种类及相对含量进行比较。结果表明:腌制完成后,真空腌制和传统干腌样品的水分含量分别下降16.5%和20.5%;食盐含量分别升至5.9%和5.2%;真空腌制的样品与传统干腌法的相比L*值高2.1%,a*值低12.2%,b*值差异不显著,菌落总数较低,球菌成为主要的优势菌种。烘烤烟熏完成后,与传统干腌法相比,真空腌制的腊肉样品水分、食盐和亚硝酸钠的含量更高;L*值高于传统干腌法,a*、b*值较低,使得腊肉色泽更佳,肉质呈愉悦的玫瑰粉红色;真空腌制腊肉中球菌和霉菌的数量高于传统干腌法,成为优势菌种,其他菌种的差异性不显著。加工过程中,同一阶段真空腌制的样品检测出的挥发性风味物质的种类及相对含量均高于传统干腌法。因而真空腌制能起到提高腊肉的保水性、促进腌制剂的吸收及改善腊肉风味和颜色的作用。

    Abstract:

    The change rule of smoked meat quality during vacuum curing (VC)and dry curing(DC) were studied. Two kinds of smoked meat during different processing stages were compared on the water content, salt content, sodium nitrite residue, microbiological indicator, color and volatile compounds. The results showed that: the water content of VC and DC samples decreased 16.5% and 20.5%, respectively. While salt content of that rise to 5.9% and 5.2%, respectively. The L* of VC is 2.1% higher than that of DC. The a* of VC is 12.2% lower than that of DC, the b* is no big difference between them. The total plate count of VC samples is lower than that of DC samples, and the coccus is becoming dominant bacteria. After baked and smoked, the VC's water content, salt content and sodium nitrite residue are higher than those of the DC's, and the L* of VC samples is higher than that of DC. Lower a* and b* make the smoked meat have a better color,like the pleasant rose pink .The quantity of coccus and mold of VC is higher than that of DC, which becoming the dominant bacteria, and the others were no significant differences. The types and relative content of volatile compounds in VC is higher than that of DC. So the VC method can improve the water-retaining property of smoked meat and promote to absorb the curing agent, it also can ameliorate the color and the flavor of the smoked meat.

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罗青雯,刘成国,周辉,等.真空腌制与传统腌制加工过程中腊肉的品质变化[J].食品与机械,2015,31(2):56-62.
LUOQingwen, LIUChengguo, ZHOUHui, et al. Effect of vacuum curing and dry curing on quality change of dry-smoked meat during processing[J]. Food & Machinery,2015,31(2):56-62.

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  • 收稿日期:2014-11-25
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  • 在线发布日期: 2023-03-17
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