Results 191 to 200 of about 28,761 (237)
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Astaxanthin in the Cedar Waxwing
Science, 1963The pigment on the secondary feathers of the cedar waxwing ( Bombycilla cedrorum ) is deposited as an amorphous layer upon a supporting medullary structure. The pigment was extracted with alkali and analyzed by chromatographic and spectrophotometric methods.
A H, Brush, K, Allen
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Astaxanthin Production from Microalgae
2020Astaxanthin is commercially sold as a pigment for animal feed and as an antioxidant for the nutraceutical sector. Astaxanthin is predominantly manufactured synthetically from petrochemicals but is also obtained from the chlorophyte Haematococcus pluvialis (Haematococcus lacustris). The petrochemical-derived synthetic alternative has conventionally been
Thomas Butler, Yonatan Golan
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The biosynthesis of astaxanthin
International Journal of Biochemistry, 1970Abstract A new keto carotenoid was isolated from goldfish ( Carssius auratus ) which was shown to be a 3-hydtoxy-3',4'-diketo-α-carotene. The name α-doradecin is proposed for the keto compound and doradexanthin for the esterified carotenoid, or mono keto compound. The carotenoids β-carotene, letein, α-doradecin, β-doradecin (3-hydroxy-3',4'-diketo-β-
Katayama Teruhisa +2 more
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ChemInform Abstract: Fluorinated Astaxanthins.
ChemInform, 1998AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
J. LIU, L. U. COLMENARES, R. S. H. LIU
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Abstract Astaxanthin is a xanthophyll carotenoid with unique membrane-spanning anti-oxidative and anti-inflammatory activity. It penetrates the blood-retinal barrier to protect ocular tissues, enhance microcirculation, alleviate visual fatigue, and delay age-related macular degeneration. Cardiovascular benefits include reduction of lipid peroxidation,
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Astaxanthin in the American Flamingo
Nature, 1955THE flamingo, Phoenicopterus ruber, derives from its dietary carotenoids the conspicuous rich pink to red colours of its feathers, tarsal and pedal skin and lower bill-mandible. Captive flamingos gradually lose their rich pigmentation unless appropriate dietary measures are taken. The presumptive role of crustacean carotenoids in supplying pigmentation
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Advances in microbial astaxanthin production
This work explores astaxanthin (AXT), a valuable xanthophyll ketocarotenoid pigment with significant health benefits and diverse applications across various industries. It discusses the prevalence of synthetic AXT, and the development of natural-based alternatives derived from microorganisms such as microalgae, bacteria, and yeast. The chapter examinesopenaire +2 more sources