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常温保存的袋装奶,因饮用方便又便宜,是很多人的选择。不过,有些喜欢加热牛奶饮用的人,为了图省事,就把袋装牛奶直接放进微波炉或锅里煮开。对此,中国农业大学食品学院乳产品加工重点实验室任发政教授说,直接把袋装奶放进微波炉或开水中加热,包装材料中的部分物质会分解,对人体健康会产生不利影响。如果包装材料上没有注明“可用微波炉加热”的字样,就不适合直接放入微波炉中,而必须先将牛奶倒入微波炉专用容器内再加热。同样,直接将袋装牛奶放进开水中加热,也面临着包装遇热分解的健康隐患。
Bagged milk stored at room temperature, because drinking convenient and cheap, is the choice of many people. However, some people like to drink hot milk, in order to save trouble, put the bagged milk directly into the microwave or pan to boil. In this regard, Rena Zhengzheng, Key Laboratory of Milk Product Processing, School of Food Science and Technology, China Agricultural University, said directly putting bagged milk into a microwave oven or boiled water will heat up some of the materials in packaging materials, which will adversely affect human health. If the packaging material does not indicate “heating with microwave oven,” the words are not suitable for direct insertion into the microwave oven, and the milk must be poured into a microwave oven for reheating. Similarly, the milk directly into the boiled water to heat, but also face the case of thermal decomposition of the health risks.