An enzymatic system consists of a peroxidase,a mediator [phenothiazine-10-propionic acid(PPT)] and hydrogen peroxide has the dye tranisfer inhibition action in the laundry process.

• 由一种过氧化酶、一种介体[酚噻嗪 -10 -丙酸(PPT)]和过氧化氢组成的酶系统具有在洗涤过程中抑制串色的作用。