L-羟基脯氨酸食品级

中文别名：L-4-羟基脯氨酸;反-4-羟基-L-脯氨酸;L-羟脯氨酸;反式-4-羟基-L-脯氨酸;4-羟基-2-羧基吡咯啶;4-羟基-L-脯氨酸;4-羟基吡啶烷-2-羧酸[1]

英文名称:L-Hydroxyproline 英文别名：4-hydroxy-L-proline (trans); (2S,4R)-(-)-4-Hydroxypyrrolidine-2-carboxylic acid; H-Hyp-OH; (2S,4R)-(-)-4-Hydroxy-2-pyrrolinecarboxylic acid; 4-Hydroxyproline; 4-L-Hydroxyproline; delta-Hydroxyproline; Hypro; L-Proline, 4-hydroxy-, trans-; L-Proline,4-hydroxy-,trans; Ls-Hydroxyproline; Proline, 4-hydroxy-; (2S,4R)-4-Hydroxyproline; L-Hydroxyproline; (4R)-4-hydroxy-L-proline; 3-hydroxy-L-proline; 1-hydroxyproline; 1-hydroxy-L-proline

分子式:C5H9NO3

分子量:131.13

EINECS登录号:200-091-9

性　状白色片状结晶性或结晶性粉末。呈苦味中的独特甜味，能改善果汁饮料、清凉饮料等的风味的味质。有特殊风味，可作香原料。熔点274℃（分解）。易溶于水（25℃，36.1%），微溶于乙醇。 质量指标：　 含量98.5%～101.5% 比旋度－74.0～－77.0 PH值5.0～6.0 透光度≥95.0% 氯化物≤0.020% 硫酸盐≤0.020% 铵盐≤0.020% 重金属≤0.001% 铁盐≤0.001% 砷盐≤0.0001% 干燥失重≤0.2% 灼烧残渣≤0.1%