The pcroxidasc isocnzymc of three varieties and seven species in Morus have been researched by polyacrylamide gcl elcctrophorcsis.

• 用聚丙烯酰胺凝胶电泳的方法；对桑属植物的7个种、3个品种的过氧化物酶同工酶进行了研究.