Retinylester
Retinyl esters are esters of retinol (vitamin A) with fatty acids. They are the principal storage form of vitamin A in animals and the major circulating form after absorption of dietary fats. The most common retinyl ester is retinyl palmitate; others include retinyl oleate and retinyl stearate.
Dietary retinyl esters are found in animal-derived foods such as liver, dairy products, eggs, and certain fish,
Digestion and metabolism begin in the intestine, where dietary retinyl esters are hydrolyzed by pancreatic enzymes
Functionally, vitamin A supports vision (via retinal), immune function, and epithelial cell differentiation; retinoic acid derived