Astaxanthin

Astaxanthin (CAS 472-61-7) is a ketocarotenoid pigment sourced from microalgae, yeast fermentation, or chemical synthesis. Also marketed as Natupink and Lucantin Pink; E161j in the EU.

Where is Astaxanthin used?

• Aquaculture feed: primary pigmenting agent for pink-red coloration of farmed salmon and trout flesh
• Poultry feed: enhances yolk and skin pigmentation in egg and broiler production
• Nutraceuticals and functional foods: antioxidant active at concentrations where most carotenoids are ineffective
• Cosmetics: antioxidant activity in anti-aging creams and serums
• It functions as a colorant and antioxidant across feed, food, nutraceutical, and cosmetic applications.

Commercial specifications

• Standard commercial concentrations: 1%, 2.5%, 5%, and 10% in oil or beadlet form