Astaxanthin

Clinical Studies

Chemoprevention of rat oral carcinogenesis by naturally occurring xanthophylls, astaxanthin and canthaxanthin.

The yeast Phaffia rhodozyma as an industrial source of astaxanthin.

Singlet oxygen and peroxyl radicals regulate carotenoid biosynthesis in Phaffia rhodozyma.

Cloning and expression in Escherichia coli of the gene encoding beta-C-4-oxygenase, that converts beta-carotene to the ketocarotenoid canthaxanthin in Haematococcus pluvialis.

Canthaxanthin biosynthesis by the conversion of methylene to keto groups in a hydrocarbon beta-carotene by a single gene.

Electrophoretic karyotype of the astaxanthin-producing yeast Phaffia rhodozyma.

Protein-chromophore interactions in alpha-crustacyanin, the major blue carotenoprotein from the carapace of the lobster, Homarus gammarus. A study by 13C magic angle spinning NMR.

Crystallisation of alpha-crustacyanin, the lobster carapace astaxanthin-protein: results from EURECA.

Antioxidant agents in raw materials and processed foods.

Effect of carotenoids on in vitro immunoglobulin production by human peripheral blood mononuclear cells: astaxanthin, a carotenoid without vitamin A activity, enhances in vitro immunoglobulin production in response to a T-dependent stimulant and antigen.

Kinetic studies on the yeast Phaffia rhodozyma.

Vitamin A status and metabolism of cutaneous polyamines in the hairless mouse after UV irradiation: action of beta-carotene and astaxanthin.

[Bioassay of rainbow trout (Oncorhynchus mykiss) pigmentation using ancho chili (Capsicum annuum) extracts]

Dietary carotenoids protect human cells from damage.

Stabilization and competitive inhibition of beta-carotene 15,15'-dioxygenase by carotenoids.

Chemoprevention of mouse urinary bladder carcinogenesis by the naturally occurring carotenoid astaxanthin.

Immunomodulating actions of carotenoids: enhancement of in vivo and in vitro antibody production to T-dependent antigens.

Inhibitory effect of beta-carotene and astaxanthin on photosensitized oxidation of phospholipid bilayers.

A study of the lipids and carotenoprotein in the prawn, Penaeus japonicus.

Carotenoid scavenging of radicals. Effect of carotenoid structure and oxygen partial pressure on antioxidative activity.

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