pantothenic acid

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pantothenic acid

(păn`təthĕn`ĭk): see coenzymecoenzyme
, any one of a group of relatively small organic molecules required for the catalytic function of certain enzymes. A coenzyme may either be attached by covalent bonds to a particular enzyme or exist freely in solution, but in either case it participates intimately in
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; vitaminvitamin,
group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either the vitamins themselves are coenzymes, or they form integral parts of coenzymes.
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Pantothenic Acid


(chick antidermatitis factor), a vitamin of the B complex. Pantothenic acid is a dipeptide amide of β-alanine and pantoic acid. In animal and plant cells, it occurs as a constituent of coenzyme A, which is involved in the most important metabolic reactions. The daily human requirement for pantothenic acid is 5–10 mg; this is satisfied by maintaining a normal balanced diet, since this vitamin occurs in many foods of both animal and vegetable origin, including yeast, fish roe, beef liver, egg yolk, greens, milk, carrots, and cabbage. Pantothenic acid is also synthesized by intestinal flora.

Pantothenic acid deficiency gives rise to metabolic disorders that promote the development of dermatitis, depigmentation, hair loss, fur and feather loss, and cessation of growth. Emaciation and changes in adrenal gland and nervous system activity arise, as well as disorders of motor coordination and of function in the liver, stomach, heart, and intestine. Pantothenic acid is used to relieve intestinal atony following gastrointestinal surgery, and its calcium salt is recommended for other therapeutic purposes.


pantothenic acid

[¦pan·tə¦then·ik ′as·əd]
C9H17O5N A member of the vitamin B complex that is essential for nutrition of some animal species. Also known as vitamin B3.
References in periodicals archive ?
Pantethine, a derivative of vitamin B5, favorably alters total, LDL and non-HDL cholesterol in low to moderate cardiovascular risk subjects eligible for statin therapy: a triple-blinded placebo and diet-controlled investigation.
The FTC said that through the cartels, Daiichi Pharmaceutical held a 34% share in the world market for vitamin B5 products and posted sales of about 6 billion yen a year, while Eisai had an 11% share in that for synthetic vitamin E products and earned about 9 billion yen.
Contains substantial amounts of the recommended daily llowance (RDA) of energy-boosting vitamin B3 (30%), vitamin E (40%), vitamin B5 (31.
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The combination contains Vitamins C&E, antioxidants for healthy hair, Vitamin B3, needed for growth, Vitamin B5 to maintain moisture and Vitamin B6, an essential element to maintain the health of your hair.
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