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The catalase test is used to differentiate staphylococci (catalase-positive) from streptococci (catalase-negative). The enzyme, catalase, is produced by bacteria that respire using oxygen, and protects them from the toxic by-products of oxygen metabolism.he catalase test is used to differentiate staphylococci (catalase-positive) from streptococci (catalase-negative). The enzyme, catalase, is produced by bacteria that respire using oxygen, and protects them from the toxic by-products of oxygen metabolism.
Save. Thinkstock/Comstock/Getty Images. Catalase is an enzyme found in all manner of organisms, including humans. Catalase does little more than catalyze the conversion of hydrogen peroxide into oxygen and water, but it does this with near-perfect efficiency, making it a very powerful antioxidant.Scientists believe that by removing peroxides from the body, catalase may prevent the effects of aging.nstructions. Buy dietary supplements that contain catalase. Such products include Go Away Gray; Biotec Foods' Ageless Beauty, Antioxidant & Enzyme Supplement; and Biotics Research Bio-B 100.