pyridoxine


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pyridoxine:

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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The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Pyridoxine

 

(also called pyridoxol), vitamin B6. Pyridoxine is found in largest amounts in rice bran, beans, yeast, kidneys, liver, and muscles. Its structural formula is

In animal tissues, pyridoxine is converted into pyridoxal phosphate, an active coenzyme form of vitamin B6 A deficiency of pyridoxine in the diet gives rise to dermatitis and convulsions.

REFERENCES

See references under .
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Based on growth data, SGR and DISL, broken-line regression analysis showed that the minimum dietary requirement of dietary pyridoxine for optimal growth of abalone is 23-mg/kg diet.
As a result hemodialysis may be an effective treatment alternative for the patients for whom pyridoxine is ineffective.
The experiment was laid out in a split-plot design based on a randomized complete block design (RCBD) with three nitrogen levels included total application of 80 (control), 130 and 180 kg N [ha.sup.-1] as urea in the main plots and three pre-sowing seed treatments with pyridoxine included 0 (control), 100 and 200 mg [l.sup.-1] in subplots in three replications.
A meta-analysis of pyridoxine in doses from 50 to 600 mg per day for PMS included 9 RCTs.
2 Rhubarb is rich in B vitamins such as folates, riboflavin, niacin, vitamin B-6 (pyridoxine), thiamine and pantothenic acid.
4 Oranges are a good source of B-complex vitamins such as thiamine, pyridoxine and folates.
4 The fruit is also a good source of many of the B-complex groups of vitamins, such as pantothenic acid (Vitamin B5), folates, pyridoxine and vitamin K, and minerals such as manganese, calcium, copper and potassium.