Dehydrase

It is shown by means of a typical dehydrase, Schardinger’s milk enzyme, that oxidase, reductase and mutase are 1 and the same enzyme.

Citric acid dehydrase is present in the liver and in vegetable material acting on citric acid.

Freudenberg also postulates a second process whereby catechins in the presence of dehydrases undergo condensation by dehydrogenation.

The usual English term ‘dehydrase’ for an enzyme dehydrating a substrate was changed to dehydratase, because Dehydrase in German…means a dehydrogenating enzyme rather than an enzyme splitting off water.

The enzymic dehydration of tartaric acid to oxaloacetic acid, first established…for the d-isomer, occurs also with the meso- and l-isomers, and the attack on all three tartaric acids by bacteria of the genus Pseudomonas appears to occur principally by means of stereospecific dehydrases.