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 (pĭr′ĭ-dŏk′sēn, -sĭn) also pyr·i·dox·in (-dŏk′sĭn)
A pyridine derivative, C8H11NO3, that is one of several forms of vitamin B6 and is the form typically found in vitamin supplements and enriched foods.


(ˌpɪrɪˈdɒksiːn) or


(Elements & Compounds) biochem a derivative of pyridine that is a precursor of the compounds pyridoxal and pyridoxamine. Also: vitamin B6
[C20: from pyrid(ine) + ox(ygen) +-ine2]


(ˌpɪr ɪˈdɒk sin, -sɪn)

also pyr•i•dox•in


a derivative of pyridine, required in forming hemoglobin and in preventing pellagra; vitamin B6.
[1935–40; pyrid (ine) + ox (ygen) + -ine2]


ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pyridoxine - a B vitamin that is essential for metabolism of amino acids and starchpyridoxine - a B vitamin that is essential for metabolism of amino acids and starch
B complex, B vitamin, B-complex vitamin, vitamin B, vitamin B complex, B - originally thought to be a single vitamin but now separated into several B vitamins


n piridoxina
References in periodicals archive ?
Vitamin "A" deficiency, pyridoxin deficiency, trace element deficiency and low protein diet, all are associated with increased incidence of stone formation (Kancha et al.
Pyridoxin gets into competition with INH and prevents neurotoxicity.
Also the concentrations of the acid nicotinic, pyridoxin HCl and Thiamine HCl are more significant in B5 medium.
20: thiamin hydrochloride, 5; riboflavin, 8: pyridoxin hydrochloride, 2: niacin, 40: Ca-D-pantothenate, 12; myo-inositol, 200; D-biotin, 0.
6 mg Niacin [greater than 161 164 164 204 219 or equal to] 6 mg Pyridoxin [greater than 91 89 86 144 150 or equal to] 0.