Effect of high-pressure treatment on the stability of lipase
The effect of pressure,temperature,dwell time and pH on the stability of porcine pancreas lipase(PPL) in hydrostatic high pressure have been studied.Results suggest that the effect of several process parameters,such as pressure,temperature,dwell time,pH have a significant effect on the stability of PPL.Pressure of 110 MPa,temperature below 37 ℃,dwell time of 10 min,pH of 7.2 are to be the optimum conditions.About 110 MPa,the structure of lipase is more compact by inducing of pressure,which increases the stability of lipase.The optimum pH shift 0.4 in hydrostatic high pressure.