Example sentences for: retinol

How can you use “retinol” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Several enzymes, including isoforms of alcohol dehydrogenase, ALDH, and cytochrome P450 (CYP), recently have been shown to be involved in the formation of retinoic acid from retinol and retinal [ 7 8 ] . The purification, cloning, and characterization of several ALDH enzymes which efficiently catalyze the oxidation of retinal (Figure 1A) has suggested that regulation of retinoic acid formation could be a key physiologic role for these enzymes.

  • There was no difference between the cases and controls in antioxidants intake (retinol in μg/day, β-carotene in μg/day, α-carotene in μg/day, lycopene in μg/day, α-tocopherol in mg/day, and vitamin C in mg/day).

  • The general base of the enzyme (cysteine) accepts the acyl group from lecithin, and this is followed by retinol being directed to attack the acyl-enzyme by the catalytic histidine followed by the release of the retinyl ester [ 42, 43].

  • We assessed the potential confounding effects of age, sex, education, energy intake (kcal/day), fat intake (mean percent of kcal as fat), retinol and carotenoids (ug/day), vitamin C (mg/day), α-tocopherol (mg/day), foods rich in carotenoids (servings/week), alcohol intake (mean alcohol intake/day), smoking history (never, former smoker, and current smoker), body mass index (kg/ht in m 2), daily hours of sun exposure during the past year, history of actinic skin damage (self-reported physician-diagnosed actinic keratosis), self-reported ability to tan after prolonged sun exposure (no suntan, mildly tan, moderately tan, and deeply tan), and number of current freckles on the arms.

  • Raner et al [ 34 ] and Chen et al [ 35 ] have described the formation of all-trans retinoic acid from retinal and retinol by members of the CYP1 and CYP3A families.


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