a sweet-tasting crystalline nonessential amino acid,C2H5NO2,that is the principal amino acid occurring in sugar cane,which is derived from the alkaline hydrolysis of gelatin and used in biochemical research and medicine

• 一种甜的结晶状氨基酸，C2H5NO2，是甘蔗中基本的氨基酸，由明胶的碱性水解获得，用于生物化学研究和医学