Journal of Botany

Journal of Botany / 2015 / Article / Tab 1

Research Article

Inhibitory Effect of Heracleum persicum and Ziziphus jujuba on Activity of Alpha-Amylase

Table 1

Measuring of alpha-amylase activity and protein at different stages of purification.

Purification stepTotal protein (mg)Total activity (units)Specific activity (U/mg)Activity recovery (%)Purification factor

Crude extract10820116001.071001
(NH4)2SO4 precipitation (50–80%)413098102.3784.52.21
Sephadex G-75 chromatography3.1149.648.21.2845