Figure 4From: Purification and characterization of α-Amylase from Miswak Salvadora persica Optimum pH of miswak α-amylases A1, A4a, A4b, A5a and A5b. The reaction mixture contained in 0.5 ml: 2% starch, suitable amount of enzyme and 50 mM sodium acetate buffer (pH 4 - 6.0), 50 mM Trsi-HCl buffer (6.5 - 9). Each point represents the average of two experiments.Back to article page