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. 2017 Jun 23;7:131. doi: 10.1186/s13568-017-0433-y

Fig. 4.

Fig. 4

Effect of metal ions and inhibitor on lipase activity. Residual activity of B. stratosphericus lipase incubated with 0.01 M of a metal ions (Ca2+, Co2+, Zn2+, Na2+, K+, Fe3+, Mn2+, and Mg2+); and b inhibitor [ethylenediaminetetraacetic acid (EDTA)] for 1 h at 50 °C was determined. Error bar represents one standard deviation about the mean (n = 3)