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超高压处理对卤制鹅胗灭菌保鲜与品质的影响 被引量:18

Effects of ultra-high pressure processing on sterilization and quality attributes of spiced goose gizzard
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摘要 为了揭示超高压处理对卤制鹅胗灭菌保鲜与品质的影响,以100、200、300、400、500、600 MPa的压力对卤制鹅胗进行处理,保压15 min,以未经高压处理的样品为对照,室温(20±5)℃存放至第1、5、9天测定样品的菌落总数、大肠杆菌及沙门氏菌等微生物指标,同时对样品的pH值、嫩度、色差等理化指标以及感官指标进行分析。结果表明:400 MPa以上压力保压15 min可以有效抑制大肠杆菌和沙门氏菌的生长;200~500 MPa处理对pH值的影响不显著(P>0.05),在9 d存放期中,pH值整体呈下降趋势,鹅胗样品中心点pH值高于边缘部位;超高压处理对嫩度没有显著影响(P>0.05);超高压处理对表面色差有显著影响(P<0.05)。从感官上分析,高压处理对卤制鹅胗的口感、气味及质地等感官品质影响不显著。超高压处理不仅具有较好的杀菌效果,而且最大限度地保证了卤制鹅胗的品质。 为了揭示超高压处理对卤制鹅胗灭菌保鲜与品质的影响,以100、200、300、400、500、600 MPa的压力对卤制鹅胗进行处理,保压15 min,以未经高压处理的样品为对照,室温(20±5)℃存放至第1、5、9天测定样品的菌落总数、大肠杆菌及沙门氏菌等微生物指标,同时对样品的pH值、嫩度、色差等理化指标以及感官指标进行分析。结果表明:400 MPa以上压力保压15 min可以有效抑制大肠杆菌和沙门氏菌的生长;200~500 MPa处理对pH值的影响不显著(P&gt;0.05),在9 d存放期中,pH值整体呈下降趋势,鹅胗样品中心点pH值高于边缘部位;超高压处理对嫩度没有显著影响(P&gt;0.05);超高压处理对表面色差有显著影响(P&lt;0.05)。从感官上分析,高压处理对卤制鹅胗的口感、气味及质地等感官品质影响不显著。超高压处理不仅具有较好的杀菌效果,而且最大限度地保证了卤制鹅胗的品质。
出处 《农业工程学报》 EI CAS CSCD 北大核心 2011年第S2期247-252,共6页 Transactions of the Chinese Society of Agricultural Engineering
基金 国家水禽产业技术体系(nycytx-45-14) 重庆市科技攻关计划项目(2008AC1021) 重庆市基本科研业务费基础研究项目(11622)专项资金资助 重庆市畜牧科学院自拟课题(11602)资金资助
关键词 微生物 肉制品 贮藏 超高压处理 理化指标 卤制鹅胗 microorganisms meats storage ultra-high pressure processing physicochemical index spiced goose gizzard
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参考文献25

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