portant;">
portant;">
portant;">L-色氨酸
portant;">性状:
portant;">白色至黄白色晶体或结晶性粉末。无臭或微臭,稍有苦味。熔点289℃,长时间光照则上色。与水共热发生少数吲哚。如在硫酸铜存在下加热,则发生多量吲哚。色氨酸与酸在暗处加热,较安稳。与其他氨基酸、糖类、醛类共存时极易分化。如无烃类共存 。用酸分化蛋白质时,色氨酸彻底分化,生成腐黑物。略溶于水(1.1g/100ml,25℃)。
portant;">
portant;">用途:
portant;">营养增补剂。剂。色氨酸是人体重要的神经递质-5-羟色胺的前体,是人体的必需氨基酸之一。
portant;">
portant;">雷竞技百科 指标(Specification)
portant;">外观(Appearance): 白色结晶或结晶性粉末,微臭,味微苦
portant;">含量(Purity): AJ197
portant;">包装(Package): 25公斤/桶
portant;">物化性质(Physical Properties)
portant;">比旋光度 -29.4°~-32.8°
portant;">氯化物 ≤0.05%
portant;">硫酸盐 (SO4) ≤0.03%
portant;">铁盐(Fe) ≤0.003%
portant;">* (Pb) ≤15ppm
portant;">砷 ≤1.5ppm
portant;">枯燥失重 ≤0.3 %
portant;">灼烧残渣 ≤0.1 %
portant;">PH值 5.5 ~ 7.0
portant;" />portant; box-sizing: border-box; font-variant-numeric: normal; font-variant-east-asian: normal;">
portant;" />portant; box-sizing: border-box; font-variant-numeric: normal; font-variant-east-asian: normal;">
portant;" />
portant; box-sizing: border-box; font-variant-numeric: normal; font-variant-east-asian: normal;">
portant; box-sizing: border-box; font-variant-numeric: normal; font-variant-east-asian: normal;">
portant;" />portant; box-sizing: border-box; font-variant-numeric: normal; font-variant-east-asian: normal;">
portant;" />portant; box-sizing: border-box; font-variant-numeric: normal; font-variant-east-asian: normal;">
portant; box-sizing: border-box; font-variant-numeric: normal; font-variant-east-asian: normal;">