Retinol is an organic molecule that plays a central role in regulating physiological activities in the body. The main function of retinol is the production of visual pigments such as rhodopsin that enhances the visual capacity of an individual in darkness (Zhong, Kawaguchi, Kassai, & Sun, 2012). Given that retinol is a form of vitamin, it mediates metabolic processes that are essential in the growth and differentiation of cells, embryonic development, hematopoiesis, growth of epithelial cells, and the functioning of the immune system. Essentially, retinol is an alcohol derivative of vitamin A, which is an active molecule. Thus, this essay examines the chemical composition and structure of retinol, its physical and chemical properties, sources, benefits, and adverse effects on the human body.
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