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Food packaging hygiene performance

by：Kolysen 2021-01-11

includes evaporation residue ( Acetic acid, ethanol and n-hexane) , potassium permanganate consumption, heavy metal, decolorizing test. Evaporation residue is reflect the food packaging bags in use process in vinegar, wine, oil and other liquid precipitation when the possibility of residue, heavy metals, residue and heavy metal can produce bad effects on human health, moreover residue will directly affect food color, aroma, taste and other edible quality.

the degradation performance

different, depending on the type of the degradation of products can be classified as photodegradation, biodegradable, environmental degradation. Degradation of performance is to reflect the product's ability to be disposed in the use of acceptance, if the degradation performance is good, bag will be under the joint action of light and microorganism, fracture, differentiation and degradation, * eventually become debris, to be accepted by the natural environment, If the degradability bad environment will not be accepted, thus forming & other; White pollution & throughout; 。

packing bags of food inspection items are divided into the following categories:

appearance should level off, without cut, burn, bubbles, and oil, and wrinkle, heat sealing level off, without a virtual closure. Film can not have crack, pore and composite layer separation. Without impurities, foreign bodies, and oil and pollution.

bag soaking liquid, can not have odor, odour, turbidity and decoloring phenomenon.

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