食品包装袋在日常生活中比较常见，不过有很多人都觉得食品包装袋会出现异味，今天包装袋厂家告诉你答案。

Food packaging bags are common in daily life, but many people think that food packaging bags will have peculiar smell. Today, the packaging bag manufacturer will tell you the answer.

食品包装袋产生异味的几种形式：一是树脂本身各类添加剂和自身的低分子物质；二是薄膜加工中产生的异味；三是软包装加工中出现的异味；四是储存中产生的异味。

There are several forms of peculiar smell in food packaging bags: first, various additives of the resin itself and its own low molecular substances; Second, the peculiar smell produced in film processing; Third, peculiar smell in flexible packaging processing; Fourth, the peculiar smell generated in storage.

软包装加工中出现的异味”是指使用油墨、粘合剂、溶剂时的残留溶剂或单体的味道。

"Peculiar smell" in flexible packaging processing refers to the smell of residual solvents or monomers when using inks, adhesives and solvents.

异味指产品长期在有气味的环境下放置，刺激性分子会吸附在表面造成一些特殊的味道。在运输途中也是同样的道理。储存温度要低于35度，否则低分子的物质会快速迁移出来，造成味道升打开包装食品时所闻到的异味的来源也可分为三种情况，一是内容物自身发生了明显的变质，其外观与味道均发生了明显的变化。此种情况在熟肉的包装制品中比较常见；二是包装袋本身有各种异味，此种情况在种类干燥食品包装中比较常见。第三种情况是上述两种情况的综合体，即：既有包装材料本身的异味，同时内容物也发生了某种程度的变质。此种情况在油炸类食品包装中比较常见。包装的食品是否已发生了变质，相信读者与消费者都会有自己的判断但在实践当中。选择材质好的食品包装袋能够的食品。

Peculiar smell refers to that when the product is placed in an odorous environment for a long time, irritant molecules will adsorb on the surface and cause some special flavor. The same is true during transportation. The storage temperature should be lower than 35 degrees, otherwise low molecular substances will migrate out quickly, causing the taste to rise. The sources of the peculiar smell smelled when opening the packaged food can also be divided into three situations. First, the contents themselves have deteriorated significantly, and their appearance and taste have changed significantly. This situation is common in cooked meat packaging products; Second, the packaging bag itself has various peculiar smell, which is common in the packaging of dry foods. The third situation is the combination of the above two situations, that is, the peculiar smell of the packaging material itself and the deterioration of the contents to some extent. This situation is common in fried food packaging. Whether the packaged food has deteriorated, I believe readers and consumers will have their own judgment, but in practice. Choosing food packaging bags with good materials can improve food safety.

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