Search results
Results from the WOW.Com Content Network
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 ...
7-Dehydrocholesterol (7-DHC) is a zoosterol that functions in the serum as a cholesterol precursor, and is photochemically converted to vitamin D 3 in the skin, therefore functioning as provitamin-D 3. The presence of this compound in human skin enables humans to manufacture vitamin D 3 (cholecalciferol).
Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [4]
Biotin (also known as vitamin B 7 or vitamin H) is one of the B vitamins. [ 1 ] [ 2 ] [ 3 ] It is involved in a wide range of metabolic processes, both in humans and in other organisms, primarily related to the utilization of fats, carbohydrates, and amino acids. [ 4 ]
Vitamin A deficiency is a major factor in causing blindness worldwide, particularly among children. [13] Global vitamin A supplementation efforts have targeted 103 priority countries. In 1999, 16 percent of children in these countries received two annual doses of vitamin A. By 2007, the rate increased to 62 percent. [14]
Individual B vitamins are referred to by B-number or by chemical name, such as B 1 for thiamine, B 2 for riboflavin, and B 3 for niacin, [1] [2] while some are more commonly recognized by name than by number, such as pantothenic acid (B 5), biotin (B 7), and folate (B 9). [1]
Ethanol (C 2 H 5 OH) is not an essential nutrient, but it does supply approximately 29 kilojoules (7 kilocalories) of food energy per gram. [34] For spirits (vodka, gin, rum, etc.) a standard serving in the United States is 44 millilitres ( 1 + 1 ⁄ 2 US fluid ounces), which at 40% ethanol (80 proof) would be 14 grams and 410 kJ (98 kcal).
Vitamin deficiency is the condition of a long-term lack of a vitamin. When caused by not enough vitamin intake it is classified as a primary deficiency, whereas when due to an underlying disorder such as malabsorption it is called a secondary deficiency. An underlying disorder can have 2 main causes: