pyridoxal

/ ˌpɪrɪˈdɒksəl /

noun

biochem a naturally occurring derivative of pyridoxine that is a precursor of a coenzyme ( pyridoxal phosphate ) involved in several enzymic reactions. Formula: (CH 2 OH)(CHO)C 5 HN(OH)(CH 3 )

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The researchers found that the most ancient aerobic process was the production of pyridoxal, or the active form of vitamin B6, they report today in Structure.