The optimum pH for human catalase is approximately 7, and has a fairly broad maximum: the rate of reaction does not change appreciably between pH 6.8 and 7.5.
O pH óptimo da catalase humana é de aproximadamente 7, e ten un máximo bastante amplo (a taxa da reacción non cambia apreciablemente entre os pHs 6,8 e 7,5).