Journal ArticleDOI
Optical purity of (3S,3'S)-astaxanthin from Haematococcus pluvialis
TLDR
Haematococcus pluvialis cultivated in a N-deficient medium produced astaxanthin (1 % of total carotenoids), the monoester (76 %) and diester (7 %) of astaxantin, β,β-carotene (1%)), an adonirubin ester (3 %), (3R,3′R,6′R)-lutein (7%), violaxanthins (2%), and neoxanthin(1%) as mentioned in this paper.About:
This article is published in Phytochemistry.The article was published on 1981-01-01. It has received 116 citations till now. The article focuses on the topics: Haematococcus pluvialis & Astaxanthin.read more
Citations
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Journal ArticleDOI
Commercial potential for Haematococcus microalgae as a natural source of astaxanthin.
TL;DR: Cultivation methods have been developed to produce Haematococcus containing 1.5-3.0% astaxanthin by dry weight, with potential applications as a pigment source in aquaculture, poultry feeds and in the worldwide nutraceutical market.
Journal ArticleDOI
Astaxanthin-Producing Green Microalga Haematococcus pluvialis: From Single Cell to High Value Commercial Products.
TL;DR: Important and recent developments ranging from cultivation, harvest and postharvest bio-processing technologies to metabolic control and genetic engineering are reviewed in detail, focusing on biomass and astaxanthin production from this biotechnologically important microalga.
Journal ArticleDOI
Astaxanthin from Microbial Sources
Eric A. Johnson,Gil-Hwan An +1 more
TL;DR: Worldwide production of farmraised salmon increased rapidly in the past decade, and more than 200,000 T were raised in 1990, and there is considerable interest within the aquaculture industry in using natural carotenoids in salmonid feeds as pigmenters.
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Enhanced Carotenoid Biosynthesis by Oxidative Stress in Acetate-Induced Cyst Cells of a Green Unicellular Alga, Haematococcus pluvialis.
TL;DR: In a green alga, Haematococcus pluvialis, a morphological change of vegetative cells into cyst cells was rapidly induced by the addition of acetate or acetate plus Fe to the vegetative growth phase.
Enhanced Carotenoid Biosynthesis byOxidative Stress in Acetate-Induced CystCells ofa GreenUnicellular Alga, Haematococcus pluvialis
TL;DR: It was concluded that oxidative stress is involved in the posttranslational activation of carotenoid biosynthesis in acetate-induced cyst cells.
References
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(3R,3′R)-astaxanthin from the yeast Phaffia rhodozyma
TL;DR: Astaxanthin isolated from the yeast Phaffia rhodozyma has the 3 R,3′ R -configuration, opposite to that of other sources which have been so far investigated as mentioned in this paper.
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Electronic spectra of carotenoids at 77° K
TL;DR: In this paper, low-temperature absorption spectra of selected carotenoids have been examined in order to investigate the scope and limitations of lowtemperature spectroscopy in the carotensoid field.
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Absolute Konfiguration von Xanthophyll (Lutein)
TL;DR: In this article, the authors bewiesen, dass (+)-Xanthophyll (3R:3′R:6′R)-Chiralitat hat.
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High-pressured liquid chromatography of carotenoids
TL;DR: In this article, the potential of high-pressure liquid chromatography (HPLC) for separation of carotenoids on silica has been studied with selected model caroteners (carotenes, diols, cis-trans isomers and diastereoisomers) in comparison with conventional thin-layer chromatography and circular paper techniques.
Journal ArticleDOI
Natural Occurrence of Enantiomeric and meso‐Astaxanthin 1. Ex Lobster Eggs (Homarus gammarus)
Harald Rønneberg,Britta Renstrøm,Kåre Aareskjold,Synnøve Liaaen-Jensen,Max Vecchi,Franz J. Leuenberger,Robert K. Müller,Hans Mayer +7 more
TL;DR: In this paper, a meso-astaxanthin was found to be a mixture of all three optical isomers as determined by HPLC analysis of the corresponding diesters of (−)-camphanic acid.