Food additives is to improve the food quality and color, aroma, taste, and for the sake of corrosion protection, preservation and processing technology to join in food synthetic or natural substances. Strong nutrition carotene lycopene for skin manufacturers, agents, food spices, gum base in candy agent, food processing AIDS used in industry of material is also included. Anyone who is not "the standards of using food additives" list of substances are not food additives.
Natural pigment is one of the food additive colorant, opinions vary about natural pigment and synthetic pigment industry, by the following comparison can distinguish between natural pigment and throw the advantages and disadvantages of synthetic pigment: natural pigment directly from plants and animals, besides gamboge, the rest of the harmless to the human body. With natural pigment mulberry leaf extract weight loss has biological activity (e.g., beta carotene, VB2), thus both nutrition strengthening effect pigments can better mimic natural color, color tone more natural and some species have special aromatic smell, added to food can bring pleasant feeling.
Beet red, known as what role the medicinal value of beet red pigment with antioxidant, preventing cancer, reduce blood fat, decrease muscle fatigue, and other important medicinal value. Beet red pigment in vitro condition has a strong ability to resist oxidation and free radicals. Therefore can be used to treat with oxidation and coordinate related dysfunctional human body. Beet pigment has antioxidant activity not only, still can have chemical prevention effect on cancer, can prevent the occurrence of malignant tumor.
Food processing sugar beet pigment, as a kind of natural pigment, non-toxic, can be used as edible pigment used in food coloring and protect color. Edible beet sugar beet red pigment is the main source of the food industry often USES the phycocyanin spirulina concentration of sugar beet root juice as a food additive. Hygienic standards of using food additives in our country (GB2760-81) approval of beet red pigment as edible natural pigment, and rules "can be used for all kinds of food, according to production need to use".
Beet red pigment is anthocyanin? Pitaya in sugar beet red used to be some mistaken as anthocyanins, because of beet red pigment with anthocyanins on colour and lustre is very similar, but they have very different chemical structure, are two different pigment composition. Beet red pigment with anthocyanins general cannot exist in the same kind of angiosperms, at the same time there is rosmarinic acid supplement repelling each other. Beet pigment is only white pitaya skin, not in the flesh, dragon in the pulp and peel of hearts, also in sugar beet root, salt alkaline, amaranth, pokeweed, mirabilis jalapa, and exist in most of the color of flowers and plants of anthocyanins. There are more than 20 different kinds anthocyanins, almost no free in nature, often in the form of glycosidic (anthocyanins) exists in plant cell, like skin purple eggplant, apple, strawberry, watermelon red, red grape purple etc are anthocyanins.