The influence of PEI on the activities of glycerol dehydrogenase and 1,3-propanediol oxidoreductase was also studied.

• 同时还考察了1,3-丙二醇酶催化体系中PEI对甘油脱氢酶和1,3-丙二醇氧化还原酶酶活力的影响。