reductasen.

1902 Jrnl. Chem. Soc. 82 i. 655 The author [sc. Pozzi-Escot] has discovered a new class of diastases which he calls ‘reductases’.

1914 Chem. Abstr. 8 3051 It is shown by means of a typical dehydrase, Schardinger's milk enzyme, that oxidase, reductase and mutase are 1 and the same enzyme.

1938 Ann. Rev. Biochem. 7 112 The protein of acetaldehyde reductase has been obtained in a crystalline condition.

1992 C. A. Smith & E. J. Wood Biosynthesis vii. 144 Dihydrofolate reductase (DHFR) reduces dihydrofolate back to tetrahydrofolate.

2002 Ann. Bot. 89 101/2 Pollen grains stain red in the presence of reductases, indicating enzyme activity.

1910 Analyst 35 207 (heading) Reductase test for milk.

1932 Discovery Feb. 59/2 In the north of Europe..general use is made of the ‘reductase’ test, which takes the time required to decolourize a definite solution of methylene blue as a measure of the purity of milk.

1964 Biol. Abstr. 45 3876/1 Application of the reductase test to 261 randomly selected staphylococcus strains showing a positive plasma coagulase test yielded reductase times of 15 minutes or less in 96·6% of the cases.

2005 J. Kruze in H. Hogeveen Mastitis in Dairy Production 126 When bulk tank samples that had passed the Reductase test were simultaneously tested with the Standard Plate Count method, a high number of bacteria were shown to be present.