Some brightly colored ceramic dishes contain lead, cadmium and other heavy metals in their enamel and pigments. Usually these substances are relatively stable, but they are easy to precipitate when they encounter high temperatures. The internal temperature of the disinfection cabinet can be as high as 200 ° C. Placing food with these colored porcelain that are often put into the disinfection cabinet will cause food to be contaminated to varying degrees. Moreover, the enamel on the surface of the enamel products will gradually decompose at high temperatures, which is not good for human health. Therefore, the ceramics and enamel dishes should not be disinfected with the disinfection cabinet as much as possible.

one smell and two look at the choice of chicken liver

smell: fresh chicken liver will emit a tangy meat aroma, and the deterioration will have a fishy smell and other odors.

Look at the appearance: the fresh one is naturally full of elasticity, and the old one is dry after losing moisture.

look at the color: fresh cooked chicken liver has light red, khaki, gray, all belong to normal; black is either not fresh, or marinated; bright red is added with pigment to attract customers. The more natural the color, the more assured.