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astaxanthin

Overview page. Subjects: Chemistry — Medicine and Health.

3,3′‐dihydroxy‐β,β‐carotene‐4,4′‐dione; a carotenoid pigment found mainly in animals (e.g. crustaceans, echinoderms) but also occurring in plants. It can occur free (as a red pigment), as...

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astaxanthin

Overview page. Subjects: Chemistry — Medicine and Health.

3,3′‐dihydroxy‐β,β‐carotene‐4,4′‐dione; a carotenoid pigment found mainly in animals (e.g. crustaceans, echinoderms) but also occurring in plants. It can occur free (as a red pigment), as...

See overview in Oxford Index

astaxanthin

David A. Bender.

in A Dictionary of Food and Nutrition

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Cookery, Food, and Drink. 17 words.

One of the carotenoids, the pink colour of salmon and trout muscle; not vitamin A active.

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astaxanthin

David A. Bender.

in A Dictionary of Food and Nutrition

P ublished online January 2014 .

Reference Entry. Subjects: Cookery, Food, and Drink. 17 words.

One of the carotenoids, the pink colour of salmon and trout muscle; not vitamin A active.

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astaxanthin

Michael Kent.

in Food and Fitness: A Dictionary of Diet and Exercise

P ublished online November 2016 .

Reference Entry. Subjects: Cookery, Food, and Drink. 100 words.

A reddish pigment belonging to the xanthophyll family of carotenoids. It has powerful antioxidant properties. The Food and Drug Administration

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astaxanthin

Edited by Richard Cammack, Teresa Atwood, Peter Campbell, Howard Parish, Anthony Smith, Frank Vella and John Stirling.

in Oxford Dictionary of Biochemistry and Molecular Biology

January 2006; p ublished online January 2008 .

Reference Entry. Subjects: Biochemistry. 39 words.

3,3′‐dihydroxy‐β,β‐carotene‐4,4′‐dione; a carotenoid pigment found mainly in animals (e.g. crustaceans, echinoderms) but also occurring in plants.

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Metabolic engineering of the astaxanthin-biosynthetic pathway of Xanthophyllomyces dendrorhous

Hans Visser, Albert J.J. van Ooyen and Jan C Verdoes.

in FEMS Yeast Research

December 2003; p ublished online January 2006 .

Journal Article. 5995 words.

Abstract

This review describes the different approaches that have been used to manipulate and improve carotenoid production in Xanthophyllomyces dendrorhous....

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Decreased astaxanthin at high feeding rates in the calanoid copepod Acartia bifilosa

Claire Holeton, Kristin Lindell, Towe Holmborn, Hedvig Hogfors and Elena Gorokhova.

in Journal of Plankton Research

June 2009; p ublished online March 2009 .

Journal Article. Subjects: Marine and Estuarine Biology; Zoology and Animal Sciences. 5265 words.

In marine food webs, copepods are the major producers of a carotenoid pigment astaxanthin, which is an important antioxidant. The availability of astaxanthin for higher trophic levels can...

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Efficient screening for astaxanthin-overproducing mutants of the yeast Xanthophyllomyces dendrorhous by flow cytometry

Ken Ukibe, Tohoru Katsuragi, Yoshiki Tani and Hiroshi Takagi.

in FEMS Microbiology Letters

September 2008; p ublished online August 2008 .

Journal Article. 4185 words.

Abstract

Astaxanthin possesses higher antioxidant activity than other carotenoids and, for this and other reasons, has great commercial potential for use in...

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Stimulation of astaxanthin formation in the yeast Xanthophyllomyces dendrorhous by the fungus Epicoccum nigrum

Carlos Echavarri-Erasun and Eric A. Johnson.

in FEMS Yeast Research

January 2004; p ublished online January 2006 .

Journal Article. 4351 words.

Abstract

A fungal contaminant on an agar plate containing colonies of Xanthophyllomyces dendrorhous markedly increased carotenoid production by yeast...

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Gastric inflammatory markers and interleukins in patients with functional dyspepsia treated with astaxanthin

Leif Percival Andersen, Susanne Holck, Limas Kupcinskas, Gediminas Kiudelis, Laimas Jonaitis, Dainius Janciauskas, Henrik Permin and Torkel Wadström.

in FEMS Immunology & Medical Microbiology

July 2007; p ublished online May 2007 .

Journal Article. Subjects: Medical Microbiology and Virology; Biotechnology; Genetics and Genomics; Microbiology; Molecular and Cell Biology. 2441 words.

Abstract

The chronic active inflammation caused by Helicobacter pylori is dominated by neutrophils, macrophages, lymphocytes and plasma cells. Several...

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On the bioconversion of dietary carotenoids to astaxanthin in the marine copepod, Tigriopus californicus

Ryan J Weaver, Paul A Cobine and Geoffrey E Hill.

in Journal of Plankton Research

March 2018; p ublished online January 2018 .

Journal Article. Subjects: Marine and Estuarine Biology; Zoology and Animal Sciences. 5404 words.

Abstract

Red carotenoid-based coloration is widely distributed across marine and terrestrial animals and has taken a prominent role in studies of how...

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Determination of Para Red, Sudan Dyes, Canthaxanthin, and Astaxanthin in Animal Feeds Using UPLC

Xiaolin Hou, Yonggang Li, Guojuan Wu, Lei Wang, Miao Hong and Yongnin Wu.

in Journal of Chromatographic Science

January 2010; p ublished online January 2010 .

Journal Article. Subjects: Chemistry. 0 words.

A simple high-performance liquid chromatography method was developed for quantitative determination of para red, Sudan I, Sudan II, Sudan III, Sudan IV, canthaxanthin, and astaxanthin in...

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Inhibition of chemically-induced neoplastic transformation by a novel tetrasodium diphosphate astaxanthin derivative

Laura M. Hix, Dean A. Frey, Mark D. McLaws, Marianne Østerlie, Samuel F. Lockwood and John S. Bertram.

in Carcinogenesis

September 2005; p ublished online May 2005 .

Journal Article. Subjects: Clinical Cytogenetics and Molecular Genetics. 7330 words.

Carotenoids have been implicated in numerous epidemiological studies as being protective against cancer at many sites, and their chemopreventive properties have been confirmed in laboratory...

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Functional characterization of various algal carotenoid ketolases reveals that ketolating zeaxanthin efficiently is essential for high production of astaxanthin in transgenic Arabidopsis

Yu-Juan Zhong, Jun-Chao Huang, Jin Liu, Yin Li, Yue Jiang, Zeng-Fu Xu, Gerhard Sandmann and Feng Chen.

in Journal of Experimental Botany

June 2011; p ublished online March 2011 .

Journal Article. Subjects: Plant Sciences and Forestry. 6038 words.

Extending the carotenoid pathway to astaxanthin in plants is of scientific and industrial interest. However, expression of a microbial β-carotene ketolase (BKT) that catalyses the formation...

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Astaxanthin biosynthesis is enhanced by high carotenogenic gene expression and decrease of fatty acids and ergosterol in a Phaffia rhodozyma mutant strain

Lili Miao, Shuang Chi, Yichen Tang, Zhongyu Su, Tie Yin, Guohua Guan and Ying Li.

in FEMS Yeast Research

March 2011; p ublished online February 2011 .

Journal Article. 5096 words.

An astaxanthin-overproducing (∼1000 μg g−1) strain of Phaffia rhodozyma, termed MK19, was established through 1-methyl-3-nitro-1-nitrosoguanidine and Co60 mutagenesis from wild-type JCM9042...

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Astaxanthin formation in the marine photosynthetic bacterium Rhodovulum sulfidophilum expressing crtI, crtY, crtW and crtZ

Daikichi Mukoyama, Haruko Takeyama, Yutaka Kondo and Tadashi Matsunaga.

in FEMS Microbiology Letters

December 2006; p ublished online September 2006 .

Journal Article. 3214 words.

Abstract

This study reports the production of astaxanthin in the photosynthetic bacterium Rhodovulum sulfidophilum, which has adequate precursor pools and...

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Sphingomonas astaxanthinifaciens sp. nov., a novel astaxanthin-producing bacterium of the family Sphingomonadaceae isolated from Misasa, Tottori, Japan

Dalal Asker, Teruhiko Beppu and Kenji Ueda.

in FEMS Microbiology Letters

August 2007; p ublished online July 2007 .

Journal Article. 4256 words.

Abstract

A red-pigmented, Gram-negative, motile, strictly aerobic, mesophilic, oval- or short rod-shaped bacterium (TDMA-17T) was isolated from fresh water...

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Effect of astaxanthin produced by Phaffia rhodozyma on growth performance, meat quality, and fecal noxious gas emission in broilers

Jin Suk Jeong and In Ho Kim.

in Poultry Science

December 2014; p ublished online November 2014 .

Journal Article. Subjects: Zoology and Animal Sciences; Animal Pathology and Diseases; Animal Physiology; Ornithology; Veterinary Medicine. 5195 words.

A prospective alternative to antibiotics currently being evaluated is yeast and its derivative products. Phaffia rhodozyma is a species of yeast that produces the carotenoid pigment,...

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From genetic improvement to commercial-scale mass culture of a Chilean strain of the green microalga Haematococcus pluvialis with enhanced productivity of the red ketocarotenoid astaxanthin

Patricia I. Gómez, Ingrid Inostroza, Mario Pizarro and Jorge Pérez.

in AoB PLANTS

January 2013; p ublished online June 2013 .

Journal Article. Subjects: Plant Sciences and Forestry. 3882 words.

Astaxanthin is a red ketocarotenoid, widely used as a natural red colourant in marine fish aquaculture and poultry and, recently, as an antioxidant supplement for humans and animals. The...

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Dietary effects on carotenoid composition in the marine harpacticoid copepod Nitokra lacustris

Adelaide C. E. Rhodes.

in Journal of Plankton Research

March 2007; p ublished online December 2006 .

Journal Article. Subjects: Marine and Estuarine Biology; Zoology and Animal Sciences. 5836 words.

Nitokra lacustris, a euryhaline harpacticoid copepod, was reared on two diets, which varied in composition and relative quantities of carotenoid pigments, and analyzed for differences in...

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