This research work reconfirmed the practical effects of kp - 9 strain . the technics and conditions of purifying kp capsular glycoprotein at laboratory level were established and the immunomodulatory effects in vitro and in vivo were studied . these results laid preliminary basis for the nationalization of biostim 本试验进一步证实筛选的荚膜糖蛋白产生菌kpg株的实用效果，并进一步确定了实验室水平制备荚膜糖蛋白的工艺条件及其体内外的免疫调节作用，为新型日服免疫调剂必思添的国产化奠定了初步基础。
