生物碱检测报告(黄连)
项目报告
1 样品信息Sample description
收到黄连样品xx个,a和b
A total of xx Coptis chinensis samples, where received by the customer.
2 材料与方法Materials and Methods
2.1 试剂Chemicals
所有的溶剂与试剂均为色谱级,药根碱,非洲防己碱,表小檗碱,黄连碱,巴马汀,小檗碱标准品购于xxx
All chemicals and solvent were HPLC. Standard: jatrorrhizine, columbamine, epiberberine, coptisine, palmatine, berberine and were purchased from xxx.
2.2 样品处理Sample Preparation
1) 将样品摇匀,称取0.1g左右的样品;
2) 0.1g样品加入50 mL xxx-甲醇(1:100),称重,超声提取30 min (功率200W,频率40 kHz);
3) 冷却,称重,用xxx-甲醇补足减少的重量,摇匀;
4) 取上清液用0.45 µm滤膜过滤,进样10 µL。
2.3 HPLC分析HPLC Analysis
本实验所用的仪器为LC高效液相色谱仪,配备紫外检测器。
色谱柱为xxx C18 (250 mm*4.6 mm, 5 μm),流动相A为30 mmol/L xxx溶液(含有0.7%氨水和0.1% xxx),B为乙腈,流速为1.0 mL/min,柱温为30℃。
3 结果Results
色谱图Chromatogram
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