中国现代应用药学
中國現代應用藥學
중국현대응용약학
CONTENTS IN BRIEF
2001年
1期
51-53
,共3页
莨菪类生物碱%硫酸阿托品%分光光度法%含量测定
莨菪類生物堿%硫痠阿託品%分光光度法%含量測定
랑탕류생물감%류산아탁품%분광광도법%함량측정
目的:建立用分光光度法测定颠茄片中莨菪类生物碱的含量。方法:采用在一定的pH溶液中,莨菪类生物碱与酸性染料溴甲酚绿定量地结合成有色离子对,用有机溶剂提取后比色测定,测定波长为415nm,硫酸阿托品为对照品。结果:在0~17.5μg/ml浓度范围内线性良好,平均回收率为101.1%。结论:本方法操作简便、准确、实用,可作为颠茄片的含量测定方法。
目的:建立用分光光度法測定顛茄片中莨菪類生物堿的含量。方法:採用在一定的pH溶液中,莨菪類生物堿與痠性染料溴甲酚綠定量地結閤成有色離子對,用有機溶劑提取後比色測定,測定波長為415nm,硫痠阿託品為對照品。結果:在0~17.5μg/ml濃度範圍內線性良好,平均迴收率為101.1%。結論:本方法操作簡便、準確、實用,可作為顛茄片的含量測定方法。
목적:건립용분광광도법측정전가편중랑탕류생물감적함량。방법:채용재일정적pH용액중,랑탕류생물감여산성염료추갑분록정량지결합성유색리자대,용유궤용제제취후비색측정,측정파장위415nm,류산아탁품위대조품。결과:재0~17.5μg/ml농도범위내선성량호,평균회수솔위101.1%。결론:본방법조작간편、준학、실용,가작위전가편적함량측정방법。
OBJECTIVE:To set up a method to determine the content of hyoscymine alkaloides in belladonne tablet by spectrophotometry.METHOD:Hyoscymine alkaloides reacts with bromomethyl phenol to produce a colorful ionic couple at a certain pH solution.Product is extracted using CHCl3 solvent and determined by spectrophotmetry.The detection wavelength is 415nm.Atropine sulfuric acid is used as reference standard.RESULTS:The calibration curve is linear within the range of 0~17.5μg/ml for hyoscymine alkaloides.The average recovery is 101.1% and the related standard deviation is 1.0%.CONCLUSION:The method is simple,accurate and practical for the determination of hyoscymine alkaloides in belladonne tablet.