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单词 retinol
释义

Definition of retinol in English:

retinol

noun ˈrɛtɪnɒl
mass nounBiochemistry
  • A yellow compound found in green and yellow vegetables, egg yolk, and fish-liver oil. It is essential for growth and for vision in dim light.

    A carotenoid alcohol; chemical formula: C₂₀H₂₉OH

    Also called vitamin A
    Example sentencesExamples
    • Multivitamins and breakfast cereals were two of the largest sources of retinol, though many brands get some of their vitamin A from beta-carotene.
    • Retinoic acid is derived mainly by local synthesis through the enzymatic oxidation of retinol.
    • Most skin types can benefit from retinol, a derivative of vitamin A.
    • Opt for products that contain skin-lightening ingredients like retinol, vitamin C and licorice.
    • Retinol can help skin cells turn over faster so you won't have a lackluster complexion in the A.M.

Origin

1960s: from retina + -ol.

 
 

Definition of retinol in US English:

retinol

noun
Biochemistry
  • A yellow compound found in green and yellow vegetables, egg yolk, and fish-liver oil. It is essential for growth and for vision in dim light.

    A carotenoid alcohol; chemical formula: C₂₀H₂₉OH

    Also called vitamin A
    Example sentencesExamples
    • Opt for products that contain skin-lightening ingredients like retinol, vitamin C and licorice.
    • Retinol can help skin cells turn over faster so you won't have a lackluster complexion in the A.M.
    • Multivitamins and breakfast cereals were two of the largest sources of retinol, though many brands get some of their vitamin A from beta-carotene.
    • Most skin types can benefit from retinol, a derivative of vitamin A.
    • Retinoic acid is derived mainly by local synthesis through the enzymatic oxidation of retinol.

Origin

1960s: from retina + -ol.

 
 
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更新时间:2024/11/10 12:59:55