芦丁的纯化及其含量测定【摘要】目的制备高纯度芦丁的目的是用作对照品或满足其它特殊需要的试剂
方法从槐米中提取芦丁,并将其制备成对照品
采用既简便又经济的酸提碱沉法从槐米中提取芦丁,经过精致,分离得芦丁对照品,并用一般方法、薄层层析法、核磁共振法进行鉴定,高效液相法测定其含量
结果经化学法、薄层层析法鉴定,核磁共振鉴定表明芦丁样品与芦丁标准品图基本一致;高效液相测得含量98
结论此种实验室制备芦丁对照品的方法操作简单易行,产品纯度较高可作为对照品代替标准品用
【关键词】芦丁;分离;纯化;高效液相色谱法;含量测定Abstract:ObjectiveToestablishthemethodsforpurification,identificationanddeterminationofrutinreferencesubstance
MethodsExtractrutinfromSophorajaponicaL
bythealkaliextractionandacidprecipitation
Thenrefinementandseparationoftherutinreferencesubstancewasdone
Identifiedthesubstancebythenormalway
TLCandNMR
HPLCwasusedtodeterminethecontentofrutin
ResultsAfteridentifiedbychemicalway,TLC,andNMR,theresultsshowedthatthechartofthesampleofrutinandthechartofstandardsubstancewereunanimous,themeancontentwas98
ConclusionThiswayofpreparingrutinin