IONIC STRENGTH IS A KEY FACTOR OF EXTRACTING SOD FROM BLOOD OF ANIMALS
Lu Yanxie, Liu Weimin (Henan Traditional Chinese Medicine College, Zhengzhon 450003)
When SOD was extracted from blood of animals by column chromatography. the ionic strength(Ⅰ)of eluant(phosphate buffet)is a key factor. When Ⅰ6.000,SOD can not be eluted out from DEAE-cellulose column. The eluant strength gradient is 0.0025 mol/L—0.25 mol/L.