
An oxidised tocopherol, formed from the isomeric 2-methyl-2-phytyl-6-chromenol with methyl groups in one or more of positions 5,7, and 8, by migration of H atom from 6-OH to C-4, which yields a 1,4-benzoquinone. Abbreviated TQ and preceded by alpha-, beta-, etc., as in the tocopherols, to indicate degree of methylation. ... Synonym: tocopherylquino...
Found on
http://www.encyclo.co.uk/local/20973
(TQ) Type: Term Pronunciation: tō-kof′ĕr-ol-kwī′nōn Definitions: 1. An oxidized tocopherol; abbreviated TQ and preceded by α-, β-, etc., as in the tocopherols, to indicate degree of methylation. Synonyms: tocopherylquinone
Found on
http://www.medilexicon.com/medicaldictionary.php?t=92325
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