Wednesday, January 11, 2017
Breaking Down Vitamin Compounds
Vitamin A\nVitamin A is a sort out of unsaturated nutritional natural compounds, that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids, among which beta-carotene is the around essential. Vitamin A has multiple functions: it is important for development and development, for the maintenance of the tolerant system and good passel. Vitamin A is needed by the retina of the centerfield in the class of retinal, which combines with protein opsin to form rhodopsin, the light-absorbing molecule necessary for both(prenominal) low-light (scotopic vision) and color vision. Vitamin A withal functions in a actually different role as retinoic acid (an irreversibly oxidate form of retinol), which is an important hormone-like exploitation factor for epithelial and early(a) cells.\nVitamin A is involved in immune function, vision, reproduction, and cellular communicating [1,4,5]. Vitamin A is minute for vision as an essential fortune of rhodopsin, a protein that absorbs light in the retinal receptors, and because it supports the habitual preeminence and functioning of the conjunctival membranes and cornea [2-4]. Vitamin A also supports cell growth and differentiation, playing a critical role in the normal formation and maintenance of the heart, lungs, kidneys, and opposite organs.\n- molecular(a) Weight: 286.4516 [g/mol]\n- Molecular Formula: C20H30O\n- Boiling tear down: 137-138 deg C at 1X10-6 mm Hg\n- Melting purport: 62-64 deg C\n- Solubilities: Practically insoluble in water or glycerol; soluble in absolute alcohol, methanol, chloroform, ether, fats and oils. Sol in ethanol and acetone and benzene\n\nVitamin D\nVitamin D refers to a assembly of fat-soluble secosteroids responsible for enhancing enteral absorption of calcium, iron, magnesium,phosphate and zinc. In humans, the nigh important compounds in this group are vitamin D3 (also known as cholecalciferol) and vitamin D2 (ergocalciferol). Cholecalciferol and ergocalciferol can...
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