As a coloring agent, it is included in the National Standard of the People's Republic of China (Sanitary Standard for Food Additives GB-2760-96). Beta-carotene has good coloring properties, stable and uniform color, and is an excellent antioxidant. It has synergistic effects with Vitamin A Acetate and vitamin C. Therefore, it is widely used as a coloring agent and a nutritional supplement, a feed additive, and a cosmetic coloring agent for medicines and foods. Studies have successfully achieved the microencapsulation of beta-carotene with gelatin or other plant colloids as the main wall material, which not only increases the stability of beta-carotene, but also changes its solubility, which is beneficial to beta-carotene. Dissolution in water, thereby expanding its use in food.
Beta-carotene is a relatively expensive natural pigment with special nutritional and health effects. It is a popular product on the international market and has a very broad market prospect. With the continuous development of toxicology and analytical techniques, people gradually realize that the chemically synthesized beta-carotene has a carcinogenic effect on human body, and a small amount of components are toxic, while natural products have a good anti-cancer health effect. Therefore, natural beta-carotene will gradually become the leading product in the beta-carotene market.