Farm to consumption risk assessment for Staphylococcus aureus and staphylococcal enterotoxins in fluid milk in China
Farm to consumption risk assessment for Staphylococcus aureus and staphylococcal enterotoxins in fluid milk in China
复制标题
中国液态奶中金黄色葡萄球菌和葡萄球菌肠毒素从农场到消费的风险评估
DOI：
10.1016/j.foodcont.2015.06.049
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发表时间：
2016-01-01
期刊：
影响因子：
6
通讯作者：
Liu, Dong-Hong
中科院分区：
文献类型：
--
作者：
Ding, Tian;Yu, Yan-Yan;Liu, Dong-Hong
本研究的目的是进行风险评估，以确定在中国食用可能被金黄色葡萄球菌污染的牛奶的食物中毒风险。从文献中收集了与中国液态原料奶中金黄色葡萄球菌流行率和浓度相关的数据，并用于计算初始污染水平。考虑了两种主要的消费途径，蒙特卡罗模拟模型的结果表明，加工厂的储存温度和家庭对牛奶的加热处理分别是影响加工厂和家庭消费前金黄色葡萄球菌浓度的主要因素。其他重要的影响因素是金黄色葡萄球菌的对数(D)值分布、农场的储存温度和时间、牛奶的热处理温度和乳品加工厂的处理时间。在中国，为了最大限度地降低牛奶中葡萄球菌中毒的风险，关键的一步似乎是在热处理后和食用前控制储存条件。本研究建立的风险评估模型为中国政府和乳品加工企业提高牛奶安全水平提供了有价值的信息。它还可以为中国消费者安全处理奶制品的教育提供有价值的建议。(C) 2015 Elsevier Ltd.版权所有。
The objective of this study was to conduct a risk assessment to determine the food poisoning risk from the consumption of milk in China that might be contaminated by Staphylococcus aureus. Data related to prevalence and concentration of S. aureus in fluid raw milk in China were collected from the literature and used to calculate the initial contamination levels. Two main consumption routes were considered and the results of the Monte Carlo simulation model indicated that the storage temperature in the processing plant and heat processing of milk in the home were the primary factors affecting the S. aureus concentration at the processing plant and the home before consumption, respectively. Other important factors were distribution of log (D)-value's for S. aureus, storage temperature and time on farm, temperature of the thermal treatment of milk, and treatment time at the dairy processing plant. To minimize the risk of milk-borne staphylococcal intoxication in China, the key step appears to be the control of storage conditions during the period after heat treatment and before consumption. The risk assessment model developed in present study provides valuable information for Chinese government and dairy processors to improve milk safety. It also could provide valuable recommendations for Chinese consumer education on safe handling of milk products. (C) 2015 Elsevier Ltd. All rights reserved.