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词汇 tocopherol
释义

Definition of tocopherol in English:

tocopherol

noun tɒˈkɒfərɒl
Biochemistry
  • Any of several closely related compounds, found in wheatgerm oil, egg yolk, and leafy vegetables, which collectively constitute vitamin E. They are fat-soluble alcohols with antioxidant properties, important in the stabilization of cell membranes.

    〔生化〕生育酚,维生素E

    Example sentencesExamples
    • Many E-numbers are found naturally in foods and may include essential vitamins, such as ascorbic acid and tocopherols.
    • Certain vitamins like tocopherol and ascorbic acid are also suggested to have a strong free radical scavenging properties.
    • The high reactivity of the singlet states of lycopene may be relevant to the synergetic antioxidative effect of tocopherols in the presence of lycopene.
    • Vitamin E is a mixture of several related compounds known as tocopherols.
    • Such parameters have been measured successfully for a range of more natural lipidic inclusions such as various phospholipid species, cholesterol and alpha tocopherol.

Origin

1930s: from Greek tokos 'offspring' + pherein 'to bear' + -ol.

Definition of tocopherol in US English:

tocopherol

noun
Biochemistry
  • Any of several closely related compounds, found in wheat germ oil, egg yolk, and leafy vegetables, that collectively constitute vitamin E. They are fat-soluble alcohols with antioxidant properties, important in the stabilization of cell membranes.

    〔生化〕生育酚,维生素E

    Example sentencesExamples
    • Certain vitamins like tocopherol and ascorbic acid are also suggested to have a strong free radical scavenging properties.
    • Such parameters have been measured successfully for a range of more natural lipidic inclusions such as various phospholipid species, cholesterol and alpha tocopherol.
    • Many E-numbers are found naturally in foods and may include essential vitamins, such as ascorbic acid and tocopherols.
    • The high reactivity of the singlet states of lycopene may be relevant to the synergetic antioxidative effect of tocopherols in the presence of lycopene.
    • Vitamin E is a mixture of several related compounds known as tocopherols.

Origin

1930s: from Greek tokos ‘offspring’ + pherein ‘to bear’ + -ol.

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