... 1 74- 177. La chn iu kin ti u sn xut chitosanase t Streptomyces griceus (chng NN2) 783 00 .43 01.161.570.551 .48 2.071.8900.511.522.50 6 12 18 24 30 36 42 48 54 ... Microbiology, 61 (2), 43 8 -44 2. Zhou W. et al. (2008). Production, purification and characterization of chitosanase produced by Gongronella sp. JG. Letters in Applied Microbiology, 46 , 49 - 54. Wang ... riờng (U/mg) 0 30 4, 430 0,072 61,2 30 40 2,328 0,023 101,0 40 50 1,938 0,015 129,2 50 60 1,852 0,015 123,5 60 70 1,951 0,017 1 14, 8 70 80 1,696 0,028 60,6 Bảng 4. Hoạt tính chitosanase...