retinal

(redirected from retinaldehyde)
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retinal

[′ret·ən·əl]
(biochemistry)
A carotenoid, produced as an intermediate in the bleaching of rhodopsin and decomposition to vitamin A. Also known as vitamin A aldehyde.
References in periodicals archive ?
inactivation of retinaldehyde dehydrogenase type 3 is prevented by maternal retinoic acid treatment.
One factor reducing the production of ATRA could be limiting amounts of the enzymes involved in the conversion of retinol to retinaldehyde (ROLDH) and retinaldehyde to ATRA (RALDH) (Figure 1).
uses Retinaldehyde, a proven anti-aging ingredient 500 times more effective than cosmeceutical-strength Vitamin A.
05%, of retinol provides efficacy by its conversion to intermediate retinaldehyde to retinoic acid that actually is the endogenous active form.
Researchers at the Hebrew University in Israel have found that shutting down a molecule needed to produce retinoic acid, known as retinaldehyde dehydrogenase (RALDH2), increases sensitivity of developing embryos to low doses of alcohol.
Retinol can be oxidised by epidermal cells to retinaldehyde and then to all-trans-retinoic acid, which is regarded as the biologically active form of vitamin A.
Vitamin A (retinol) is sequentially metabolized to retinaldehyde, retinoic acid for its functions in animals (Hofman & Eichele 1994, Saari 1994).