The protein composition were examined by sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE) on a Phast System.The gels were scanned and analyzed using Phast Image with computer.

• 十二烷基磺酸钠-聚丙烯酰胺电泳分离的蛋白质区带用快速图象分析仪进行测量。