Effect of Chinese herbal medicine on antioxidant of Hucho taimen

There were 60 Hucho taimen individuals in each group,followed with Table 3 every day.Experimental groups and control group were fed with feed added different Chinese herbal medicine and basic feed respectively.After 28 days constantly feeding experiment followed by one day indigestion,blood and liver tissue sampling were adopted.NO content and NOS activity in serum and liver of the fish,SOD activity in the serum,liver and erythrocyte,contents of MDA in serum and liver were determined.Experimental results show that the difference between NO in serum and the control group is not obvious,except Radix Angelicae Sinensis group,NOS activity are rising significantly;The liver and serum is the opposite,except Angelicae Sinensis group,NO content are on the rise,and NOS activity in the high dose group of Radix Scutellariae are declining.Changes of serum SOD in there is no clear,and in the liver,only Poria can increase SOD activity significantly.Radix Scutellariae,Rhizoma Cyrtomii and compound 2 can make SOD activity increased significantly in erythrocyte.Except compound 2 and Poria group,the other groups are able to reduce the content of serum MDA significantly;except compound 5,other experimental groups are able to reduce the content of MDA significantly.The conclusion are drawn that the abilities of Chinese herbal medicine on antioxidant of Hucho taimen were effected by drug types,fish tissues and indexes detected.