Preferred Label : violaxanthin;
MeSH note : a carotene epoxide that is precursor to capsanthin; one of 3 xanthophylls involved
in evolution of plastids of green plants (oxygen evolution); 3 (violaxanthin, zeaxanthin
& antheraxanthin) participate in series of photo-induced interconversions known as
''violaxanthin cycle''; structure; cleavage of 9-cis-epoxycarotenoids (violaxanthin)
to xanthoxin, catalyzed by 9-cis-epoxycarotenoid dioxygenase, is the key regulatory
step of ABSCISIC ACID biosynthesis;
MeSH synonym : 5,6:5',6'-diepoxy-5,5',6,6'- tetrahydro-beta-carotene-3,3'-diol; zeaxanthin diepoxide;
MeSH CAS label : (3S,3'S,5R,5'R, 6S,6'S)-5,6:5',6'-diepoxy-5,5',6,6'-tetrahydro-beta,beta- carotene-3,3'-diol;
MeSH Related Number : 126-29-4 (violaxanthin);
Registry Number MeSH : 126-29-4;
Is substance : O;
UNII : 51C926029A;
InChIKey : SZCBXWMUOPQSOX-WVJDLNGLSA-N;
Origin ID : C005613;
UMLS CUI : C0078288;
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