4-pyridoxic acid


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4-pyr·i·dox·ic ac·id

(pir'i-dok'sik as'id),
The principal product of the metabolism of pyridoxal (-COOH replaces -CHO at position 4), appearing in the urine.

4-pyr·i·dox·ic ac·id

(pir-i-dok'sik as'id)
The principal product of the metabolism of pyridoxal, appearing in urine.

4-pyridoxic acid

C8H9NO4, a crystalline acid that is the principal end product of pyridoxine metabolism, excreted in human urine.
See also: acid
References in periodicals archive ?
6] vitamer and 4-pyridoxic acid concentrations of men fed controlled diets.
Clinical analysis of vitamin B(6): determination of pyridoxal 5'-phosphate and 4-pyridoxic acid in human serum by reversed-phase high-performance liquid chromatography with chlorite postcolumn derivatization.
Plasma B-6 vitamer and plasma and urinary 4-pyridoxic acid concentrations in young women as determined using high performance liquid chromatography.