With the packaging industry rapid development, and consumer demand diversity, food without packaging.
Food packaging is developing in the direction of the functional diversification, including oil, moisture, keeping fresh, active packaging, high barrier, while most of the packaging materials have direct or indirect contact with the product. Therefore, the basic function of packaging is to protect the safety of food.
However, the effect of some food packaging not only failed to protect, but due to the packaging itself is not qualified and pollute the food. Therefore, non-toxic and harmless food packaging materials play a vital role in ensuring food safety.
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