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《多叶棘豆总黄酮大孔吸附树脂纯化工艺-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第36卷第lO期2013年lO月北京中医药大学学报Vo1.36No.10Oct.2013JournalofBeijingUniversityofTraditionalChineseMedicine705多叶棘豆总黄酮大孔吸附树脂纯化工艺钟昆芮孙芳芳折改梅刘斌(北京中医药大学中药学院北京100102)摘要:目的研究大孔吸附树脂纯化多叶棘豆总黄酮的工艺条件。方法以总黄酮含量和吸附一解吸率为指标,考察5种不同大孔吸附树脂对总黄酮的吸附能力,确定D4006型树脂为纯化用树脂,对纯化工艺中吸附条件、除杂条件和洗脱条件进行优化。结果最佳工艺条件为上样液浓
2、度0.05g/mL,最大上样量24倍柱体积(BV),吸附流速3BV/h,树脂柱径高比1:9,待吸附结束后,用5%乙醇洗脱9BV进行除杂,再用50%乙醇以3BV/h的流速洗脱8BV,经IMO06型大孔吸附树脂纯化后,多叶棘豆总黄酮含量可达54%。结论所建立的工艺分离效果良好,操作简单,重复性好,可用于分离富集多叶棘豆总黄酮。关键词:多叶棘豆;总黄酮;大孔吸附树脂;纯化中图分类号:R284.2doi:10.3969/j.issn.1006.2157.2013.10.013Purificationtechnologyoftotalflavonoid
3、sfromDuoyeJidou(Oxytropismyriophylla、)withmacroporousresinZHONGKun—rui,SUNFang—fang,SHEGai—mei,LIUBin(SchoolofChinesePharmacy,BeijingUniversityofChineseMedicine,Beijing100102)Abstract:ObjectiveTostudythetechnologyofmacroporousresininthepurificationofthetotalflavonoidsinDuoy
4、eJidou(Oxytropismyriophylla).MethodsTakenthecontentandadsorption—desorptionrateofthetotalflavonoidsastheindicators,theadsorptionabilityof5kindsofmacroporousresinstothetotalflavonoidswereobserved,andresinD4006wasdeterminedtobeusedinpurificationforoptimizingtheconditionsofads
5、orption,impurityremovingandelutioninpurificationtechnology.ResultsThebestpurificationconditionswereasfollows:theconcentrationofsamplewas0.05g/mL,maximumsamplevolumewas24BV,adsorptionflowvelocitywas3BV/h,andratioofdiametertoheightwas1:9.Afteradsorption,5%ethanolwasusedinelut
6、ion(9BV)f0rimpurityremovingandthen50%ethanolwasusedinelution(8BV,3BV/h)again.Thecontentofthetotalflavonoidsreachedto54%afterthepurificationwithresinD4006.ConclusionThedevelopedtechnologyhasgoodseparationeffectivenessandissimplewithhigherrepeatability,whichcanbeusedforsepara
7、tingandenrichingthetotalflavonoidsinDuoyeJidou.Keywords:DuoyeJidou(Oxytropismyriophylla);totalflavonoids;macroporousresin;purification多叶棘豆为豆科植物多叶棘豆Oxytropismyrio-酚、紫云英苷、杨梅树皮苷、鼠李素、芒柄花素、染料phylla.的干燥全草,为蒙医临床常用药之一,具有杀木素等,具有良好的抗炎、抗氧化、抗癌活黏虫、燥黄水、清热、愈伤、生肌、合脉止血、消肿软便性他以及防护紫外线损伤等作用H引。
8、多叶棘之功效。棘豆属中主要化学成分为黄酮类成豆中的总黄酮在VB一Met—NBT体系中对氧自由基,分,如白杨素、黄芩素、刺槐苷、芹菜素、槲皮素、山柰在VitC.cop
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