生物碱检测报告(莲心)
项目报告
1 样品信息Sample description
收到莲心样品xx个,a和b
A total of xx hindu lotus plumule 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,莲心碱,异莲心碱,甲基莲心碱标准品购于xxx
All chemicals and solvent were HPLC. Standard: liensinine, isoliensinine, neferine and were purchased from xxx.
2.2 样品处理Sample Preparation
1) 将样品摇匀,称取0.25g左右的样品;
2) 0.25g样品加入0.1g xxx和20 mL 80% xxx,超声提取30 min;
3) 冷却至室温,定容至25 mL,摇匀,滤过;
4) 滤液用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Agilent高效液相色谱仪,配备紫外检测器。
色谱柱为xxx C18-A (150 mm*4.6 mm, 5 μm),流动相为甲醇-0.1% xxx溶液(62:38,v/v),流速为1.0 mL/min,柱温为室温。
3 结果Results
色谱图Chromatogram
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