What is carmine?

Carmine is a kind of food pigment. Also known as edible red 102 (Japan), edible red 7, primrose red 4R, scarlet and bright scarlet, they are water-based azo colorants. The chemical name is 1-(4'- sulfonic acid group-1'- naphthalene azo) -2- naphthol-6,8-disulfonic acid trisodium salt, which is an isomer of amaranth.

Ponceau 4R is a kind of monoazo synthetic pigment widely used in China at present. In recent years, it has been reported that carmine and Sudan I, which are prohibited by EU standards, belong to azo pigments.

Extended data

Food pigment belongs to a class of food additives. Up to 20 19 and 10, there are more than 60 kinds of food pigments commonly used in the world, which can be divided into two categories according to their sources and properties: natural food pigments and synthetic food pigments.

Natural edible pigments mainly come from natural pigments. According to their different sources, there are mainly plant pigments, such as beet red, turmeric, β -carotene and chlorophyll. Animal pigments such as lac red and cochineal red; The third is microorganisms, such as red koji.

Food synthetic colorants are mainly synthesized according to some special chemical groups or chromophoric groups, and can be divided into azo pigments according to their chemical structures, such as amaranth, carmine, sunset yellow, lemon yellow, new red, temptation red, acid red and so on. Non-azo pigments such as erythrosine and brilliant blue.

People's Network-Is edible pigment harmful? This is what the Food and Drug Administration said. ...

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