硒对灵芝菌丝生长及其胞外酶活性的影响

The Effects of Selenium on the Mycelium growth and Extracellular Enzyme Activity of Ganoderma lucidum

研究了Na2 Se2 O3 对灵芝菌丝生长及菌丝生长期间胞外酶活性的影响。结果表明 :0 0 5～ 1 0mmol·L-1的Na2 Se2 O3 均可促进菌丝生长和菌丝生长期间胞外蛋白酶、纤维素酶、淀粉酶的活性 ,以 0 5～ 1 0mmol·L-1 的Na2 SeO3 促进作用最为明显。而高浓度 (≥ 1 5mmol·L-1 )的Na2 SeO3

The effects of selenium on the mycelium growth and extracellular enzyme activity of Ganoderma lucidum were studied.The results showed that 0.05～1.0 mmol·L^(-1) Na_2Se_2O_3 could improve activity of extracellular protease,cellulase and amylase as well as growth of the mycelia.And the most notable improvement was gotten by 0.5—1.0 mmol·L^(-1) Na_2Se_2O_3.But when the concentration of Na_2Se_2O_3 was even higher(≥1.5mmol/L),the activity of enzymes was inhibited.