Rf values of POD isoenzymes were as followed: jerusalem artichoke leave(0.85) > cane leave(0.70)> bamboo shell(0.61)> soybean hull(0.57)> horseradish(0.55). jerusalem artichoke peroxidase isoenzyme is of negative ion.

• POD同工酶电泳最大迁移率(Rf)大小顺序是:菊芋叶(0.；85)>甘蔗叶(0