| http://www.w3.org/ns/prov#value | - 20080293097Biological Production of Zeaxanthin and Carotenoid Biosynthesis Control - The present invention relates to the isolation of carotenoids and in particular the xanthophyll zeaxanthin (zeaxanthin-??,??-Carotene-3,3???-diol) and optionally other carotenoids such as lycopene, ??,??-carotene, 3???-hydroxyechinenone ??-cryptoxanthin and the colourless carotenoids, phytoene and phytofluene from
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