HPLC法同时测定云连药材中6种生物碱的含量
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篇名: HPLC法同时测定云连药材中6种生物碱的含量
TITLE:
摘要: 目的:建立同时测定云连药材中6种生物碱含量的方法。方法:色谱柱为XtimateTM C18,流动相为30 mmol/L碳酸氢铵溶液(含0.1%三乙胺和0.7%氨水)-乙腈(梯度洗脱),流速为1.0 mL/min,检测波长为270 nm,柱温为30 ℃,进样量为10 μL。结果:药根碱、非洲防己碱、表小檗碱、黄连碱、盐酸巴马汀、盐酸小檗碱的检测质量浓度线性范围分别为0.85~16.96 mg/L(r=0.999 9)、1.25~24.96 mg/L(r=0.999 8)、2.05~40.96 mg/L(r=0.999 9)、3.65~72.96 mg/L(r=0.999 9)、2.88~57.60 mg/L(r=0.999 9)、13.25~264.96 mg/L(r=0.999 9);精密度、稳定性、重复性试验的RSD<3.0%;加样回收率分别为97.14%~102.14%(RSD=1.93%,n=6)、97.00%~102.00%(RSD=2.06%,n=6)、98.18%~101.82%(RSD=1.79%,n=6)、96.15%~101.28%(RSD=2.06%,n=6)、96.88%~101.88%(RSD=1.87%,n=6)、99.31%~103.76%(RSD=1.89%,n=6)。结论:该方法操作简便,精密度、稳定性、重复性好,可用于云连药材中6种生物碱含量的同时测定。
ABSTRACT: OBJECTIVE: To develop a method for simultaneous determination of 6 alkaloids in Coptis teeta. METHODS: The determination was performed on XtimateTM C18 with mobile phase consisted of 30 mmol/L ammonium bicarbonate [containing 0.1% triethylamine and 0.7% ammonia-acetonitrile (gradient elution)] at the flow rate of 1.0 mL/min. The detection wavelength was set at 270 nm, the column temperature was 30 ℃,and the sample size was 10 μL. RESULTS: The linear ranges of jateorrhizine, columbamine, epiberberine, coptisine, palmatine hydrochloride and berberine hydrochloride were 0.85-16.96 mg/L(r=0.999 9),1.25-24.96 mg/L(r=0.999 8), 2.05-40.96 mg/L(r=0.999 9), 3.65-72.96 mg/L(r=0.999 9), 2.88-57.60 mg/L(r=0.999 9) and 13.25-264.96 mg/L(r=0.999 9), respectively . RSDs of precision, stability and reproducibility tests were all lower than 3.0%. Recoveries were 97.14%-102.14%(RSD=1.93%,n=6), 97.00%-102.00%(RSD=2.06%,n=6), 98.18%-101.82%(RSD=1.79%,n=6), 96.15%-101.28%(RSD=2.06%,n=6), 96.88%-101.88%(RSD=1.87%,n=6), 99.31%-103.76%(RSD=1.89%,n=6), respectively. CONCLUSIONS: The method is simple, accurate, stability and reproducible, and can be used for simultaneous determination of 6 alkaloids in Coptis teeta.
期刊: 2017年第28卷第24期
作者: 潘正,高运玲,江生,范刚,张艺,曹纬国
AUTHORS: PAN Zheng,GAO Yunling,JIANG Sheng,FAN Gang,ZHANG Yi,CAO Weiguo
关键字: 云连;生物碱;含量测定;高效液相色谱法
KEYWORDS: Coptis teeta;Alkaloids; Content determination; HPLC
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