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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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(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.


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References in periodicals archive ?
Five experimental diets were formulated in each phase: a nonFM group (control); a control + FM 3% supplemented group (3% FM); a control + FM 3% + pyridoxine 10 ppm supplemented group (3% FM-pyridoxin); a control + FM 6% supplemented group (6% FM); and a control + FM6% + pyridoxin 10 ppm supplemented group (6% FM-pyridoxin).
Limited tenders are invited for Supply of nimesulide-bp, erythromycin strate-ip, amoxycillin trihydrate-ip-compacted, zinc sulphate monohydrate usp, pyridoxin hydrochloride-ip, thiamine mononitrate-ip, riboflavin-ip
3], 2 mg; thiamin, 2 mg; riboflabin, 6 mg; pyridoxin, 2 mg; vit.
Limited Tenders are invited for V013012, Inj Vit B Complex (High Potency) Containing Thiamine Hcl 100Gm, Nicotinamide 100Mg, Pyridoxin Hcl 5Mg, Vit B12 100Mg, Riboflavin 1Mg, D-Pantheol 10Mg