L-alanine is a neutral, genetically coded amino acid . it is a crystalline amino acid, that is a constituent of many proteins 丙氨酸是一种晶体状的中性氨基酸,是许多蛋白质的组成成份。
L-cysteine is a non-essential ( or semi-essential ), neutral, genetically coded amino acid, derived from cystine and found in most proteins 半胱氨酸是一种中性氨基酸,从胱氨酸中提取,并存在于大多数蛋白质中。
L-aspartic acid is a non-essential, acidic, genetically coded amino acid . found especially in young sugar cane and sugar-beet molasses 天冬氨酸是一种非必需的酸性氨基酸,尤指从小的甘蔗和甜菜的糖蜜中提取的。
L-histidine is a basic, genetically coded amino acid . it is essential for human development ( " semi-essential " ), and important for the growth and repair of tissues 组氨酸是一种碱性氨基酸,对于组织的生成和修复具有很重要的作用。
L-asparagine is a non-essential, neutrall, genetically coded amino acid . it is a crystalline amino acid, found in many plants, that is easily hydrolyzed to aspartic acid 天冬酰胺是一种非必需的中性晶体氨基酸,许多植物里都有,易于水解为天门冬氨酸。
L-threonine is a neutral, genetically coded amino acid . it is essential in human nutrition . it is a colorless crystalline amino acid that is derived from the hydrolysis of protein 苏氨酸是一种由蛋白质水解而成的中性氨基酸,无色晶状,是人类必需的营养成分。
L-glutamine is a non-essential, neutral, genetically coded amino acid . occurring widely in plant and animal tissue and produced commercially for use in medicine and biochemical research 谷酰胺是一种非必需的中性氨基酸,大量的含于动植物组织,大量生产用于医药和生化研究。
L-tryptophan is a neutral, genetically coded amino acid . iit is essential in human nutrition . formed from proteins during the digestive process by the action of proteolytic enzymes 色氨酸是一种重要的中性必需氨基酸,在消化过程中,通过蛋白水解作用酶的运动而由蛋白质形成。