The purity of L-phenylalanine crystal was 96.7% and the yield of the total process was 82.8%.
脱色后的转化液经过浓缩、结晶、乙醇洗涤、重结晶，得到纯度为96.7%的L-苯丙氨酸晶体，整个提取过程收率为82.8%。
Oligomers consisting of L-aspartic acid, L-glutamic acid, L-tyrosine and L-phenylalanine were synthesized through the corresponding amino acid.
以多氨基酸共聚法，将L -天冬氨酸、L -谷氨酸、L -酪氨酸和L -苯丙氨酸合成低分子的聚合物。
The amount of aromatic amino acids such as L-tryptophan, L-tyrosine and L-phenylalanine was important for the accumulation of D-ribose, and its amount need to be controlled precisely.
培养基中芳香族氨基酸如l色氨酸、l酪氨酸和l苯丙氨酸的含量影响着d核糖的形成，其含量需严格控制。
The biotransformation of trans-cinnamic acid to L-phenylalanine by using phenylalanine ammonia-lyase (PAL) has, therefore, become very important in the research and development of this field.
苯丙氨酸解氨酶(PAL)生物转化肉桂酸生产L苯丙氨酸成了该领域研究与开发的热点。
The application and progress in technology and development of new process of L - phenylalanine are summarized. The market prospect of L - phenylalanine is analyzed and forecast.
本文综述了L-苯丙氨酸的应用、制备技术进展及新工艺开发，并对其市场前景作了分析及预测。
As phenylalanine dehydrogenase is used to determine the concentration of plasma phenylalanine for monitoring of phenylketonuria and synthesize L-amino acids, it is drawing more and more attention.
苯丙氨酸脱氢酶因在临床上可用作苯丙酮尿症的检测用酶，工业上可用于合成手性氨基酸而越来越受到关注。
As phenylalanine dehydrogenase is used to determine the concentration of plasma phenylalanine for monitoring of phenylketonuria and synthesize L-amino acids, it is drawing more and more attention.
苯丙氨酸脱氢酶因在临床上可用作苯丙酮尿症的检测用酶，工业上可用于合成手性氨基酸而越来越受到关注。
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