Vitamin F - Top 10 natural sources of vitamin F Read And Share Me Page 4

A vitamin is an organic molecule (or a set of molecules to the side of connected chemically, i.e. vitamers) that is an necessary micronutrient which an organism needs in small quantities for the proper working of its metabolism. critical nutrients cannot be synthesized in the organism, either at every or not in ample quantities, and as a result must be obtained through the diet. Vitamin C can be synthesized by some species but not by others; it is not a vitamin in the first instance but is in the second. The term vitamin does not intensify the three supplementary groups of critical nutrients: minerals, essential fatty acids, and indispensable amino acids. Most vitamins are not single molecules, but groups of similar molecules called vitamers. For example, there are eight vitamers of vitamin E: four tocopherols and four tocotrienols. Some sources list fourteen vitamins, by including choline, but major health organizations list thirteen: vitamin A (as all-trans-retinol, all-trans-retinyl-esters, as capably as all-trans-beta-carotene and supplementary provitamin A carotenoids), vitamin B1 (thiamine), vitamin B2 (riboflavin), vitamin B3 (niacin), vitamin B5 (pantothenic acid), vitamin B6 (pyridoxine), vitamin B7 (biotin), vitamin B9 (folic biting or folate), vitamin B12 (cobalamins), vitamin C (ascorbic acid), vitamin D (calciferols), vitamin E (tocopherols and tocotrienols), and vitamin K (phylloquinone and menaquinones).

Vitamins have diverse biochemical functions. Vitamin A acts as a regulator of cell and tissue addition and differentiation. Vitamin D provides a hormone-like function, variable mineral metabolism for bones and further organs. The B mysterious vitamins deed as enzyme cofactors (coenzymes) or the precursors for them. Vitamins C and E feint as antioxidants. Both deficient and excess intake of a vitamin can potentially cause clinically significant illness, although excess intake of water-soluble vitamins is less likely to reach so.

Before 1935, the lonesome source of vitamins was from food. If intake of vitamins was lacking, the upshot was vitamin nonappearance and consequent nonappearance diseases. Then, commercially produced tablets of yeast-extract vitamin B profound and semi-synthetic vitamin C became available.

This was followed in the 1950s by the accumulation production and publicity of vitamin supplements, including multivitamins, to prevent vitamin deficiencies in the general population. Governments mandated auxiliary of vitamins to staple foods such as flour or milk, referred to as food fortification, to prevent deficiencies. Recommendations for folic acid supplementation during pregnancy abbreviated risk of infant neural tube defects.

The term vitamin is derived from the word vitamine, which was coined in 1912 by Polish biochemist Casimir Funk, who solitary a perplexing of micronutrients necessary to life, all of which he presumed to be amines. past this presumption was difficult certain not to be true, the "e" was dropped from the name. every vitamins were discovered (identified) together with 1913 and 1948.

Easy Ways to Raise Vitamin D Levels Fast: 11 Steps (with Pictures)