Disclaimer: The information contained herein should NOT be used as a substitute for the advice of an appropriately qualified and licensed physician or other health care provider. The tool is not a substitute for the care provided… (more)
“Excess pyridoxal phosphate competes with pyruvic acid for the available 2,4,dinitrophenylhydrazine which results in a product that is not extractable into toluene, therefore, less chromophore is present as more pyridoxal phosphate is available.”