Synthesis of Rosin Acid Starch Catalyzed by Lipase
Figure 1
Effect of substrate ratio, reaction time, temperature, and lipase dosage on synthesis of rosin acid starch. All reactions were performed in triplicate, and the mean values were plotted. (a) Effect of substrate ratio on the DS and the reaction efficiency of rosin and other reaction conditions: lipase dosage, 10% (m/m, relative to starch); reaction temperature, 40°C; reaction time, 4 h. (b) Effect of reaction time on the DS and other reaction conditions: molar ratio of rosin acid/AUG, 2 : 1; lipase dosage, 10% (m/m, relative to starch); reaction temperature, 40°C. (c) Effect of reaction temperature on the DS and other reaction conditions: molar ratio of rosin acid/AUG, 2 : 1; lipase dosage, 10% (m/m, relative to starch); reaction time, 4 h. (d) Effect of lipase dosage on the DS and other reaction conditions: molar ratio of rosin acid/AUG, 2 : 1; reaction temperature, 45°C; reaction time, 4 h.
