鹅去氧胆酸 Chenodeoxycholic acid (CDCA) | |||
项目 Items |
标准(中国药典 2015) Standard (CP 2015) |
公司规格 Company Specification |
|
含量测定 Assay |
≥98.5% | 符合(Conforms) | |
鉴别 Identification |
A.生成蓝绿色悬浮物 Production of blue-green suspended matter |
符合(Conforms) | |
B.红外光吸收图谱应与对照的图谱一致 The IR absorption spectrum of the sample must be concordant with test Standard. |
符合(Conforms) | ||
检测 Tests |
熔点 Melting Point |
200℃ -204℃ | 符合(Conforms) |
比旋度 Specific rotation |
+59.0 °~ +62.0° | 符合(Conforms) | |
硫酸盐 Sulfate |
≤0.05% | 符合(Conforms) | |
氯化物 Chloride |
≤0.02% | 符合(Conforms) | |
有关物质 Related substance |
≤0.5% | 符合(Conforms) | |
重金属 Heavy Metals |
≤0.002% | 符合(Conforms) | |
钡盐 Batium |
No turbidity | 符合(Conforms) | |
砷盐Arsenic | ≤0.0002% | 符合(Conforms) | |
干燥失重 Loss on drying |
≤1.0% | 符合(Conforms) | |
炽灼残留 Residue on ignition |
≤0.2% | 符合(Conforms) | |
微生物杂质 Microbial Impurities |
细菌总数 Total bacterial count |
≤1000 cfu/g | ≤1000 cfu/g |
霉菌和酵母菌 Moulds and yeasts |
≤100 cfu/g | ≤100 cfu/g | |
大肠杆菌 E. coli |
不得检出(Absent) | 符合(Conforms) | |
沙门氏菌 Salmonella |
不得检出(Absent) | 符合(Conforms) | |
性状 Characteristic |
白色无臭粉末 white odorless powder |
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储存 Storage |
至阴凉干燥处,避光,密闭保存,防潮 Store in a tightly closed container in a cool and dry place, and moisture proof |