冷冻鱼糜中金黄色葡萄球菌生长预测模型的筛选
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(1. 山西省分析科学研究院,山西 太原 030006;2. 山西省生物研究所,山西 太原 030006)

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黄潇(1984—),女,山西省分析科学研究院助理研究员,硕士。E-mail:155139638@qq.com

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山西省科技攻关项目(编号:20130313028-5)


Screening of predictive model for Staphyloccocus aureus growth in frozen surimi
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(1.Shanxi Academy of Analytical Science, Taiyuan, Shanxi 030006, China; 2 Biology Institute of Shanxi, Taiyuan, Shanxi 030006, China)

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    摘要:

    为建立冷冻鱼糜中金黄色葡萄球菌生长预测模型,将金黄色葡萄球菌接种到冷冻鱼糜制品中,分别采用Gompertz模型、Logistic模型、Richards模型,拟合金黄色葡萄球菌在10,15,20,25 ℃条件下的生长数据,通过残差分布以及拟合度(RSS、RSE、AIC)等统计指标,分析比较4种模型的拟合能力,建立各温度条件下金黄色葡萄球菌最适一级生长模型。结果表明:10 ℃条件下Logistic模型拟合的RSS、RSE、AIC值最小,分别是0.742,0.352,-4.458;而Gompertz模型在15,20,25 ℃条件下拟合的RSS、RSE、AIC值最小,分别是0.403,0.259,-9.961;0.285,0.239,-13.089和0.273,0.234,-13.473。综合比较,10 ℃条件下,冷冻鱼糜中金黄色葡萄球菌最适一级生长模型为Logistic模型,而15,20,25 ℃适合采用Gompertz模型。

    Abstract:

    In order to establish the growth model of Staphylococcus aureus,the frozen surimi product was inoculated with S. aureus and Gompertz model, Logistic model, Richards model, etc, were selected to fitting the growth data of S. aureus at 10, 15, 20 and 25 ℃, respectively. Residual distribution and degree of fitting (RSS, RSE, AIC) analyses were used to evaluate model fitting ability and choose the optimal model for the growth of S. aureus in frozen surimi. The results of the comparison showed that the smallest RSS, RSE and AIC values fitted by Logistic model at 10 ℃ were 0.742, 0.352 and -4.458, respectively. The smallest RSS, RSE and AIC values achieved by Gompertz model were 0.403,0.259,-9.961;0.285,0.239,-13.089 and 0.273,0.234,-13.473, respectively. Compared comprehensively, the optimal growth model of S. aureus in the frozen Surimi was Logistic and Gompertz model was appropriate for 10 ℃ and 15 ℃, 20 ℃, 25 ℃, respectively.

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黄潇,蔡颖慧,郭捷,等.冷冻鱼糜中金黄色葡萄球菌生长预测模型的筛选[J].食品与机械,2015,31(2):191-195.
HUANGXiao, CAIYinghui, GUOJie, et al. Screening of predictive model for Staphyloccocus aureus growth in frozen surimi[J]. Food & Machinery,2015,31(2):191-195.

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  • 收稿日期:2014-09-16
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  • 在线发布日期: 2023-03-17
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