β-Carotene/cas:7235-40-7

What is β-Carotene

β-Carotene is one of the carotenoids, an orange-yellow fat-soluble compound. It is the most ubiquitous and stable natural pigment in nature. A member of the family of natural chemicals such as carotenes or carotenoids. It is found in large amounts in plants and gives fruits and vegetables their rich yellow and orange colors. The pure product appears as a red-purple to dark red crystalline powder with a slight peculiar odor. The dilute solution of β-carotene is orange-yellow and is easily soluble in organic solvents such as methylene chloride, chloroform, and carbon disulfide. The solution becomes orange as the concentration increases, and may become slightly reddish due to the polarity of the solvent. Unstable in contact with oxygen, heat and light. It is relatively stable in weak bases.

 Basic information 

Feature of β-Carotene

Beta-carotene is one of the most common isomers of carotene. Conjugated double bonds composed of isoprene residues as units are polyene pigments. It is a dark red purple to dark red shiny rhombohedral or plate-shaped microcrystalline crystal or crystalline powder. There is a slight odor and odor. Insoluble in water, propylene glycol, glycerin, acid and alkali, soluble in carbon disulfide, benzene, chloroform, slightly soluble in ether, petroleum ether, cyclohexane and vegetable oil, almost insoluble in methanol and ethanol.
The dilute solution is orange or yellow, and when the concentration increases, it turns orange to orange-red; unstable to light, heat, and oxygen, and not acid-resistant, but relatively stable to weak alkalinity; not affected by reducing agents such as ascorbic acid, heavy metal ions, especially Fe3+ can promote fading; it has good coloring properties for fatty foods

Applications of β-Carotene

Beta-carotene, whose name comes from the Latin word for carrot, is an orange-yellow fat-soluble compound and a precursor of vitamin A. It exists in large amounts in plants and gives fruits and vegetables their full color. Beta-carotene is widely used in general foods and medical supplements due to its coloring, antioxidant and nutritional enhancement functions.

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