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Pantothenic acid is a water-soluble vitamin, one of the B vitamins. It is synthesized from the amino acid β-alanine and pantoic acid (see biosynthesis and structure of coenzyme A figures). Unlike vitamin E or vitamin K , which occurs in several chemically related forms known as vitamers , pantothenic acid is only one chemical compound.
Vitamins are classified as either water-soluble or fat-soluble. In humans there are 13 vitamins: 4 fat-soluble (A, D, E, and K) and 9 water-soluble (8 B vitamins and vitamin C). Water-soluble vitamins dissolve easily in water and, in general, are readily excreted from the body, to the degree that urinary output is a strong predictor of vitamin ...
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] B vitamins are present in protein-rich foods, such as fish, poultry ...
Riboflavin, also known as vitamin B 2, is a water-soluble vitamin and is one of the B vitamins. [3] [4] [5] Unlike folate and vitamin B 6, which occur in several chemically related forms known as vitamers, riboflavin is only one chemical compound.
Vitamin B 12, also known as cobalamin, is a water-soluble vitamin involved in metabolism. [2] It is one of eight B vitamins. It is required by animals, which use it as a cofactor in DNA synthesis, and in both fatty acid and amino acid metabolism. [3]
With few exceptions, like some vitamins from B-complex, hypervitaminosis usually occurs with the fat-soluble vitamins A and D, which are stored, respectively, in the liver and fatty tissues of the body. These vitamins build up and remain for a longer time in the body than water-soluble vitamins. [2] Conditions include: Hypervitaminosis A
Get ready for all of today's NYT 'Connections’ hints and answers for #551 on Friday, December 13, 2024. Today's NYT Connections puzzle for Friday, December 13, 2024 The New York Times
Ascorbic acid (Vitamin C) – antioxidant (water-soluble) Ascorbyl palmitate – antioxidant (fat soluble) Ascorbyl stearate – antioxidant (fat soluble) Aspartame – artificial sweetener; Aspartame-acesulfame salt – artificial sweetener; Astaxanthin – color; Avocado oil – used a substitute for olive oil. Also used in cosmetics and skin ...