retinol
definition of retinol
1. a form of vitamin A found only in foods that come from animals. The body can use retinol to make retinal and retinoic acid (other forms of vitamin A). Retinol is found in some foods, including beef liver, whole eggs, whole milk, margarine, and some fortified food products such as breakfast cereals. Retinol is a retinoid. Also called preformed vitamin A.1
retinol activity equivalent
definition of retinol activity equivalent
1. RAE. A measure of the content and activity of vitamin A in foods.1
retinol binding protein
definition of retinol binding protein
1. RBP. A molecule that binds to retinol (the form of vitamin A in foods that come from animals) and carries it through the blood to tissues where it is used, and to the liver where it is stored.1