There are two kinds of commonly used food pigments: natural pigments and synthetic pigments. Natural pigments come from natural substances, mainly extracted from plant tissues, and also from animals and microorganisms. Synthetic pigment refers to the organic pigment produced by artificial chemical synthesis, which is mainly made from aniline dye separated from coal tar.

In the food additive application process for a long time, because people did not recognize the harm of synthetic pigments, and compared with natural pigments, synthetic pigments have the advantages of bright color, strong coloring power, stable property and low price, many countries generally use synthetic pigments in the food processing industry. With the development of society and the improvement of people's living standards, more and more people have questioned whether the use of synthetic pigments in food will cause harm to human health.

At the same time, a large number of research reports pointed out that almost all synthetic pigments can not provide nutrients to the human body, and some synthetic pigments may even harm human health. When you are eating exquisite snacks, fast-food boxed meals and fragrant hot dogs, you will find that there are additives in every kind of food by glancing at the nutrition table printed on the beautifully packaged food.

It is understood that the four components of transformed fat, refined grain products, salt and high fructose syrup are common in processed foods, which are harmful to human health.

Some are also harmful if they are excessive, such as citric acid, stevioside, aspartame, cyclamate, Finnish white pigment, vanillin, ethyl maltol, potassium sorbate... Basically, they are not harmful, as long as they are not added too much.