Hygienic Performance Of Food Packaging Bags

Including evaporation residue (acetic acid, ethanol, n-hexane), potassium permanganate consumption, heavy metals, and decolorization test. Evaporation residue reflects the possibility of food packaging bags releasing residue and heavy metals when encountering liquids such as vinegar, wine, and oil during use. Residues and heavy metals can have adverse effects on human health, and in addition, residue can directly affect the color, aroma, taste, and other edible qualities of food.