Methods The protein,peroxidase isozyme and esterase isozyme of Radix Platycodon grandiflorum were studied by means of polyacrylamide gel electrophoresis.

• 方法利用垂直平板聚丙烯酰胺凝胶电泳技术,作蛋白质、过氧化物酶同工酶、酯酶同工酶分析。