tocopherolquinone

to·coph·er·ol·qui·none (TQ),

(tō-kof'ĕr-ol-kwī'nōn),
An oxidized tocopherol; abbreviated TQ and preceded by α-, β-, etc., as in the tocopherols, to indicate degree of methylation.
Synonym(s): tocopherylquinone

tocopherolquinone (TQ)

[tōkof′ərōlkwī′nōn]
an oxidized form of tocopherol, or vitamin E.
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