Beta carotene is an important vitamin A, is one of the most important dietary components, it has a vitamin) activity, have enhanced immune function, antioxidant, light protection, a variety of anti-cancer and prevention of cardiovascular disease and so on. Due to the symmetry of beta carotene molecules, there are two ionone ring in the conjugated polyene bonds at both ends, so it is very easy to oxidation, unstable to light and oxygen and heavy metal ions, which limits the application of beta carotene, so how to improve the stability of the beta carotene is an important subject.
Cyclodextrin is a ring structure by the combination of 1 glucose molecules with alpha -1,4 bond of Isomaltooligosaccharide, hydrophobic ring cavity unique and stable chemical properties. The study found that beta carotene is a hydrophobic material, easy to enter the cavity of cyclodextrin and water-soluble inclusion complexes, thereby reducing the it contacts with the external environment, improve its stability.
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