谷胱甘肽+欧洲药典5.1标准.doc

文档介绍：--Glutamyl-L-:(driedsubstance).-r谷氨酰基-L-半胱氨酰基甘氨酸含量:按干燥品计算,%-%CHARACTERSAppearance:whiteoralmostwhite,:freelysolubleinwater,hanol(96percent):白色或几乎白色结晶性粉末或无色的结晶。溶解度:易溶于水,微溶于96%乙醇及二***甲烷。(seeTests).().Comparison:(见测定项)。B红外吸收光谱检测()对比:()andcolourless(,MethodII).Specificopticalrotation():??(driedsubstance).:,蒸馏水R溶解并稀释至50ml。溶液澄清度溶液S澄清(),无色(,MethodII)比旋度()-。~-°(干品物质),。().(a).(b).(a)(a).(b).(b)(a).Dissolve20mgofthesubstancetobeexaminedininternalstandardsolution(a)(b).(a)(c).(a),-cysteineR(impurityB)intheelectrolytesolution,-glutathione,oxidisedR(impurity