After pancreatic enzymes have been hydrolyzed into retinol, esters of vitamin A is absorbed in the gastrointestinal tract. Fat malabsorption, eating protein deficiency, liver dysfunction or pancreatic function reduces the absorption of vitamin A. Some retinol is stored in the liver and are then released into the blood as tied to a specific globulin. Reserve your body's vitamin A often meet the body's needs for several months. Part retinol is conjugated glucuronic freedom and oxidized into retinal and retinoic acid and is excreted in urine and feces along with other metabolites.
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