论文部分内容阅读
本文以副溶血性弧菌VPBJ1.1997为研究对象,采用均匀设计试验方法,建立并验证了温度范围为7°C～43°C,盐度范围为0.5%～9.5%NaCl的生长动力学模型。结果表明,所选一级模型的拟合效果优劣依次为Logistic方程>Gompertz方程>Linear方程,以Logistic方程为一级模型计算生长参数;二级模型采用平方根模型进行拟合,得到模型相关系数r为0.9863,最低生长温度Tmin为9.0506°C,最高生长盐度为5.93%NaCl(对应最低生长水分活度Awmin为0.9227),经F检验、残差分析和偏差因子、准确因子验证,模型可接受。
In this paper, Vibrio parahaemolyticus VPBJ1.1997 was used as the research object, and the uniform design test method was used to establish and validate the growth kinetics model with the temperature range of 7 ° C ~ 43 ° C and the salinity range of 0.5% ~ 9.5% NaCl . The results show that the fitting effect of the selected model is followed by the Logistic equation> Gompertz equation> Linear equation, the Logistic equation is the first-order model to calculate the growth parameters, the second-order model is fitted by the square root model, and the model correlation coefficient r is 0.9863, the minimum growth temperature Tmin is 9.0506 ° C, the maximum growth salinity is 5.93% NaCl (corresponding to the minimum growth water activity Awmin 0.9227), the residual analysis and deviation factor, the accurate factor test, the model accept.