Fig. 4

Effect of pH and temperature on enzyme activity and stability. a Effect of pH on CsAlaDC activity; b The pH stability of CsAlaDC after 1–24 h incubation at 4 °C and pH of 6.0–9.0; c Effect of pH on CsSDC activity; d The pH stability of CsAlaDC. e Effect of temperature on CsAlaDC activity; f Thermal stability of CsAlaDC after 1–24 h incubation within the range of 20–50 °C; g Effect of temperature on CsSDC activity; h Thermal stability of CsAlaDC