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The scientific specification of the classification system of food includes 16 categories: milk and dairy products, frozen beverages,radiation levels geiger counter fruits, vegetables, fats, grains, eggs, eggs, sauces, wine, liquor and so on. Sixteen food taxonomy, each category is indispensable to human life, such as sweet food is quite a favorite of many people, such as doughnuts, cakes, etc., whether adults or children are very favorite. In addition, it also includes fruit wine, red wine, white wine, beer and other alcoholic beverages. So, there is an extremely wide variety of food in this big world. Food is divided into 16 major categories, and there are many sub-categories under each major category, and some sub-categories are further divided into some minor categories, so as to continue, there are about more than 300 sub-categories. And these major and minor classifications are also the main basis of our current corporate standards and food safety certification.

Food contamination refers to the production, transportation, packaging, storage, sales, cooking process, mixed with harmful toxic substances or germs and other kinds of food. Food contamination can be divided into biological pollution and chemical pollution. Biological pollution refers to harmful viruses, bacteria, fungi and parasites contaminated food; chemical pollution is caused by harmful toxic chemicals contaminated food. To prevent food contamination, we should not only pay attention to food hygiene, but also from the production, transportation, processing, storage, sales and other aspects.

What are the common food contamination?

1. Bacterial contamination

The common ones are Salmonella, Proteus, Clostridium botulinum, Staphylococcus aureus, etc. The main contaminated foods are spoiled meat, eggs, milk, soy products, rancid meals or cold beverages; and Clostridium botulinum contaminated ham,digital nitrate test bacon, canned food, stinky tofu, etc.

2. Mold contamination

Commonly, there are aflatoxins, etc., and the contaminated foods are mainly moldy rice, wheat, peanuts, corn, and so on.

3. Parasitic contamination

Common tapeworm contaminated pork, beef, gingerbread and schistosomiasis eggs,best water hardness test kit cysts contaminated water chestnuts, crabs, shrimp and so on.

4. Viral pollution

Hepatitis A virus contaminated arkshells are common.

5. Pesticide residues

Including grains, vegetables, fruits, eggs, milk, meat and other food residues of organophosphorus pesticides, organochlorine pesticides, organic mercury pesticides.