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. 2010 Mar 1;41(1):173–178. doi: 10.1590/S1517-838220100001000025

Table 2.

Effect of various carbon and nitrogen sources on L-asparaginase production by S.gulbargensis.

L-asparaginase activity (IU)
0.25% 0.5% 0.75% 1.0% 1.25%
Carbon Source
Glucose 11.0
Fructose 11.4
Sucrose 17.8
Maltose 19.5
Starch 18.0
Galactose 10.4
Arabinose 10.9
Mannitol 10.8
Xylose 17.3
Lactose 16.8
Nitrogen Source
Peptone 17.2 18.1 17.3 16.2 15.7
Beef Extract 20 22.4 19.8 18.1 14.3
Yeast Extract 22.8 23.1 21.0 19.0 15.8
Tryptone 14.7 16.3 16.9 14.8 13.6
Soyabean meal 21.0 23.6 23.9 22.0 19.3
Cornsteep liquor 22.8 24.0 23.3 20.9 18.6
Ammonium chloride 15.1 16.8 15.0 14.3 11.3
Ammonium nitrate 18.5 18.3 17.5 16.7 12.6
Ammonium sulfate 23.2 21.8 19.8 17.3 16.4
L-asparagine 23.1 25.0 24.6 21.2 19.1