b-carotene-4,4'-dione

Astaxanthin (trans-Astaxanthin) is a keto-carotenoid in the terpenes class of chemical compounds. It is classified as a xanthophyll but it is a carotenoid with no vitamin A activity. It is present in most red-colored aquatic organisms. Astaxanthin has shown to mediate anti-oxidant and anti-inflammatory actions. It may be found in fish feed or some animal food as a color additive.

Astaxanthin dipalmitate is a type of carotenoid. It can be used for coloring rainbow trout and sea trout. Carotenoids possess significant biological activities and may play roles in regulating cell differentiation, growth control, photoprotection, membrane stability, photosynthesis, visual processes, and nutrition.

(rac./meso)-Astaxanthin (AstaREAL; AstaXin) is a carotenoid pigment primarily found in marine animals such as shrimp and salmon. It serves as an effective fat-soluble antioxidant.

Astaxanthin (Standard) is the standard substance of Astaxanthin, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Astaxanthin (trans-Astaxanthin) is a keto-carotenoid in the terpenes class of chemical compounds. It is classified as a xanthophyll but it is a carotenoid with no vitamin A activity. It is present in most red-colored aquatic organisms. Astaxanthin has shown to mediate anti-oxidant and anti-inflammatory actions. It may be found in fish feed or some animal food as a color additive.