Astaxanthin, with the chemical formula C40H52O4, has the CAS number 7542-45-2. It is a red-orange pigment belonging to the class of carotenoids. It appears as a dark red solid with no distinct odor. The basic structure of astaxanthin consists of a long polyene chain with alternating single and double bonds, and two terminal rings. This compound is insoluble in water, but soluble in organic solvents such as ethanol and acetone. Astaxanthin is generally considered safe for use in food and dietary supplements, with no known adverse effects at normal doses. However, high doses may cause a temporary orange discoloration of the skin. It is important to note that astaxanthin should be stored in a cool and dry place, away from direct sunlight, to maintain its stability and potency.
Applicable Fields
Food and Beverage: Astaxanthin is commonly used as a natural food coloring agent in various food and beverage products. Its purpose in this field is to enhance the visual appeal of the products and provide a natural alternative to synthetic colorants. The mechanism of action in food coloring involves the absorption and reflection of light by the pigment, resulting in the desired color.
Nutritional Supplements: Astaxanthin is also widely used as a dietary supplement due to its potential health benefits. It is known for its powerful antioxidant properties, which help protect cells from oxidative damage. The mechanism of action as an antioxidant involves the neutralization of free radicals and the prevention of oxidative stress.
Storage
Conditions: Store in a cool and dry place, away from direct sunlight.
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