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The discovery dates of the vitamins and their sources Year of discovery Vitamin Food source 1913: Vitamin A (Retinol) Cod liver oil: 1910: Vitamin B 1 (Thiamine) Rice bran: 1920: Vitamin C (Ascorbic acid) Citrus, most fresh foods 1920: Vitamin D (Calciferol) Cod liver oil 1920: Vitamin B 2 (Riboflavin) Meat, dairy products, eggs: 1922: Vitamin ...
As foods vary by brands and stores, the figures should only be considered estimates, with more exact figures often included on product labels. For precise details about vitamins and mineral contents, the USDA source can be used. [1] To use the tables, click on "show" or "hide" at the far right for each food category.
Vitamin B complex. Vitamin B 1 (thiamin) Vitamin B 2 (riboflavin) Vitamin B 3 (niacin) Vitamin B 5 (pantothenic acid) Vitamin B 6 group: Pyridoxine; Pyridoxal-5-Phosphate; Pyridoxamine; Vitamin B 7 (biotin) Vitamin B 9 (folate) Vitamin B 12 (cobalamin) Choline; Vitamin A (e.g. retinol (see also - provitamin A carotenoids)) Vitamin C (Ascorbic ...
Vitamin A is found in many foods. [56] Vitamin A in food exists either as preformed retinol – an active form of vitamin A – found in animal liver, dairy and egg products, and some fortified foods, or as provitamin A carotenoids, which are plant pigments digested into vitamin A after consuming carotenoid-rich plant foods, typically in red ...
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When you buy a bottle of vitamins from a nutrition store, you’ll probably notice a best-by date on the bottom of the jar. But that inscribed number isn’t a hard-and-fast rule—there is some ...
All organisms require water. Essential nutrients for animals are the energy sources, some of the amino acids that are combined to create proteins, a subset of fatty acids, vitamins and certain minerals. Plants require more diverse minerals absorbed through roots, plus carbon dioxide and oxygen absorbed through leaves.
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