4.The preparation and analysis of new sweetener L aspartyl D alanine isopropyl ester were reported.L Asp D Ala OiPr was obtained from L aspartic acid and D alamine.

 
  • 采用新工艺新方法制备新型甜味剂天-丙二肽,以L-天冬氨酸为中间体,与D-丙氨酸异丙酯缩合,一步反应得产物,产率高、成本低。
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