- Jul 06, 2017 -
First of all can be dumped in the white porcelain plate or related containers, carefully observe the canned containers, especially the horse iron cans whether there is a pot of paint fall off, oxidation ring, curing spot, glass bottle lid is corrosive, discoloration and so on. If this is the case, it is necessary to pay attention to the quality of the food in the tank.
Then to pour in the container and porcelain plate of food carefully observed, see whether the color is abnormal, such as canned fruit can be serious browning, meat can color is normal, these are the main conditions for the identification of product quality.
Then with the smell of the nose can smell, if there is a peculiar smell or smell, the product should not be the odor, it is canned or began to deteriorate the mark.
Finally tasting cans, taste is normal, whether there is rancid taste, putrid taste and odor, and so on, if the above abnormal taste, can be spoiled, can not eat.