Catlase An enzyme present in both plant and animal tissues that catalyzes the breakdown of hydrogen peroxide, a toxic compound produced during metabolism, into ozygen and water.

• 过氧化氢酶：在所有动植物组织中普遍存在的一种能够催化过氧化氢（在代谢中产生的有毒物质）分解为氧气和水的酶。