Catalase decomposes peroxides, with the liberation of free oxygen.
"The Chemistry of Plant Life" by Roscoe Wilfred Thatcher
The rate of utilization was generally higher during the test period in the presence of catalase than without added catalase.
"Preservation of Bull Semen at Sub-Zero Temperatures" by N. L. VanDemark
CROCKER, W., and HARRINGTON, G. F.: Catalase and Oxidase Content of Seeds, Jour.
"Scurvy Past and Present" by Alfred Fabian Hess