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当前位置: 首页 > 文章 > 低温条件下冷却猪肉中假单胞菌生长模型的比较分析 食品科学 2013,34 (5) 142-146
Position: Home > Articles > Comparison of Kinetics Models for Pseudomonas Growth in Chilled Pork at Low Temperature FOOD SCIENCE 2013,34 (5) 142-146

低温条件下冷却猪肉中假单胞菌生长模型的比较分析

作  者：
牛会敏;李苗云;赵改名;张秋会;田玮;黄现青;柳艳霞;张建威;高晓平;孙灵霞
单  位：
河南省肉制品加工与质量安全控制重点实验室;河南省肉制品加工与质量安全控制重点实验室,河南农业大学食品科学技术学院
关键词：
假单胞菌;冷却猪肉;模型;拟合度
摘  要：
为了确定拟合冷却猪肉中假单胞菌低温下生长的最适模型,分别对低温(0、5、10℃)条件下托盘和真空包装冷却猪肉中假单胞菌的生长特点进行分析,应用修正的Gompertz、Baranyi及Huang模型对其进行拟合,通过残差和拟合度(RSS、AIC、RSE)等统计指标比较3种模型的拟合能力,分析不同模型拟合假单胞菌生长的差别。结果表明:低温托盘和真空包装条件下假单胞菌在延滞期出现了明显的菌数下降现象,随后呈现"S"形生长;0℃条件下Baranyi模型拟合出最小的RSS、AIC、RSE值,分别是5.2933、-54.0428、0.1708;而修正的Gompertz模型和Huang模型分别在5℃和10℃条件下拟合出最小的RSS、AIC、RSE值,分别是17.7372、-18.9098、0.5068和13.0410、-22.4848、0.4207。拟合冷却猪肉中假单胞菌生长的最适模型0℃是Baranyi模型,5℃是修正的Gompertz模型,10℃是Huang模型。因此,在冷却猪肉腐败菌预测时,不同温度条件下应该选择最适合的模型而不是单一的模型来预测假单胞菌的生长。
译  名：
Comparison of Kinetics Models for Pseudomonas Growth in Chilled Pork at Low Temperature
作  者：
NIU Hui-min,LI Miao-yun,ZHAO Gai-ming,ZHANG Qiu-hui,TIAN Wei,HUANG Xian-qing, LIU Yan-xia,ZHANG Jian-wei,GAO Xiao-ping,SUN Ling-xia(Henan Key Laboratory of Meat Processing and Quality Safety Control,College of Food Science and Technology, Henan Agricultural University,Zhengzhou 450002,China)
关键词：
Pseudomonas;chilled pork;model;goodness-of-fit
摘  要：
The growth characteristics of Pseudomonas in chilled pork with pallet package were analyzed at low temperatures(0,5 ℃ and 10 ℃).The modified Gompertz,Huang,and Baranyi models were used for fitting the growth data of Pseudomonas.Statistical criteria residual(residual distribution) and goodness-of-fit(residual sum of squares(RSS),Akalke Information Crlterlon(AIC),residual standard error(RSE)) analyses were used to evaluate model performance and determine the appropriate model for the growth of Pseudomonas in chilled pork.Results showed that an apparent reduction of Pseudomonas during the lag phase at low temperatures(0,5 ℃ and 10 ℃).The minimum RSS,AIC and RSE values fitted by Baranyi model at 0 ℃ were 5.2933,-54.0428 and 0.1708,respectively.The smallest RSS,AIC and RSE values achieved by modified Gompertz and Huang models were 17.7372,-18.9098,0.5068 and 13.0410,-22.4848 and 0.4207,respectively.The best choice to describe the growth of Pseudomonas were Baranyi,modified Gompertz and Huang models at 0,5 ℃ and 10 ℃,respectively.Therefore,the most appropriate model should be chosen to predict the growth of Pseudomonas at different temperature conditions for practical application in chilled pork industry.

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