Xiaomin Zhang, S. Adachi, Yoshiyuki Watanabe
Apr 1, 2005
Citations
0
Influential Citations
18
Citations
Journal
Food Research International
Abstract
Abstract O-Lauroyl l -serinamide and O-lauroyl l -threoninamide were synthesized with an immobilized lipase using lauric acid and l -serinamide or l -threoninamide in water-miscible organic solvents, of which 2-methyl-2-propanol gave the highest conversion of 93% for O-lauroyl l -serinamide at 50 mmol- l -serinamide/L and 100 mmol-lauric acid/L. The addition of 4 A 1/16 molecular sieves at 50 mg/mL increased the conversion to 53% for O-lauroyl l -threoninamide at 50 mmol- l -threoninamide/L and 150 mmol-lauric acid/L in 2-methyl-2-butanol. The difference of conversion between the two products was exactly proportional to the difference of solubility of aminoacid amides.