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Relative antioxidant activities of the seven tocopherols
Author(s) -
Lea C. H.,
Ward R. J.
Publication year - 1959
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2740101007
Subject(s) - antioxidant , chemistry , carotene , food science , tocopherol , organic chemistry , vitamin e
The antioxidant activities of the seven tocopherols and of the unmethylated parent compound (tocol) have been compared in several systems. The three tocopherols unsubstituted in the 5‐position (δ, γ and η) were more effective than the other four in protecting carotene in mineral oil solution at 75°. In lard esters at 90° and in methyl linoleate at 50° δ, γ, η and β were the most, and ϵ, ζ and α the least, effective, the precise order depending on the conditions and concentrations used. the tocopherols were much less effective in protecting lard esters exposed to light, δ being the best of the series.