浙江师范大学学报(自然科学版)
浙江師範大學學報(自然科學版)
절강사범대학학보(자연과학판)
JOURNAL OF ZHEJIANG NORMAL UNIVERSITY(NATURAL SCIENCES)
2014年
3期
307-311
,共5页
刘超美%仲淑贤%杨利宁%邬梦璐%叶建萍%陈建荣
劉超美%仲淑賢%楊利寧%鄔夢璐%葉建萍%陳建榮
류초미%중숙현%양리저%오몽로%협건평%진건영
浊点萃取%分光光度法%厚朴酚%和厚朴酚
濁點萃取%分光光度法%厚樸酚%和厚樸酚
탁점췌취%분광광도법%후박분%화후박분
cloud point extraction%spectrophotometry%magnolol%honokiol
建立了以Triton X-114为表面活性剂的浊点萃取-分光光度法同时测定厚朴酚与和厚朴酚含量的新方法,探讨了溶液的pH,Triton X-114浓度、平衡温度和平衡时间等因素对浊点萃取的影响.在最佳条件下,厚朴酚与和厚朴酚含量的线性方程分别为 Y1=5.89×10-4x-1.14×10-3(相关系数为0.9921), Y2=5.52×10-4 x+7.71×10-5(相关系数为0.9992);检测限分别为2.5μg/L和1.0μg/L.该方法成功用于药材中厚朴酚与和厚朴酚含量的测定,回收率为98.4%~104.3%.
建立瞭以Triton X-114為錶麵活性劑的濁點萃取-分光光度法同時測定厚樸酚與和厚樸酚含量的新方法,探討瞭溶液的pH,Triton X-114濃度、平衡溫度和平衡時間等因素對濁點萃取的影響.在最佳條件下,厚樸酚與和厚樸酚含量的線性方程分彆為 Y1=5.89×10-4x-1.14×10-3(相關繫數為0.9921), Y2=5.52×10-4 x+7.71×10-5(相關繫數為0.9992);檢測限分彆為2.5μg/L和1.0μg/L.該方法成功用于藥材中厚樸酚與和厚樸酚含量的測定,迴收率為98.4%~104.3%.
건립료이Triton X-114위표면활성제적탁점췌취-분광광도법동시측정후박분여화후박분함량적신방법,탐토료용액적pH,Triton X-114농도、평형온도화평형시간등인소대탁점췌취적영향.재최가조건하,후박분여화후박분함량적선성방정분별위 Y1=5.89×10-4x-1.14×10-3(상관계수위0.9921), Y2=5.52×10-4 x+7.71×10-5(상관계수위0.9992);검측한분별위2.5μg/L화1.0μg/L.해방법성공용우약재중후박분여화후박분함량적측정,회수솔위98.4%~104.3%.
A new method of cloud point extraction-UV spectrophotometry based on using Triton X-114 as an extractant was developed for simultaneous determination of magnolol and honokiol in traditional Chinese medic -inal material.The effects of the pH of solution , concentrations of surfactant Triton X-114, equilibrium temper-ature and time on the efficiency of cloud point extraction were systematically examined .Under the optimized conditions, the linear equations were Y1 =5.89 ×10 -4x-1.14 ×10 -3(R2 =0.992 1), Y2 =5.52 ×10 -4x+7.71 ×10 -5(R2 =0.999 2), the detection limits were 2.5 μg/L, 1.0 μg/L for magnolol and honokiol, re-spectively .This method was applied to the determination of honokiol and magnolol in traditional Chinese me -dicinal material with recoveries of 98.4%~104.3%.