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An aldehyde, C8H9NO3, that is one of several forms of vitamin B6.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biochemistry) biochem a naturally occurring derivative of pyridoxine that is a precursor of a coenzyme (pyridoxal phosphate) involved in several enzymic reactions. Formula: (CH2OH)(CHO)C5HN(OH)(CH3)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pyridoxal - a B vitamin that is essential for metabolism of amino acids and starchpyridoxal - 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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Homocysteine and coronary artery disease in French Canadian subjects: relation with vitamins B12, B6, pyridoxal phosphate, and folate.
To eliminate gestational diabetes, use pyridoxal phosphate, not pyridoxine
Pyridoxal phosphate, namely, vitamin B6, was a coenzyme of aminopherase and decarboxylase in the amino acid metabolism that could promote decarboxylation of glutamic acid.
O'Reilly, "Pyridoxal phosphate decreases in plasma but not erythrocytes during systemic inflammatory response," Clinical Chemistry, vol.
Aspartate aminotransferase kit {International Federation of Clinical Chemistry (IFCC)} without pyridoxal phosphate activation.
INH exerts toxicity by inhibiting pyridoxine kinase, the enzyme responsible for the production of pyridoxal phosphate, the active form of pyridoxine.
A successful treatment with pyridoxal phosphate for West syndrome in hypophosphatasia.