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1、木犀草素-Zn(II)配位印跡聚合物的制備及應(yīng)用樂薇收稿日期:2017-8-基金項(xiàng)目:湖北省教育廳科學(xué)研究計(jì)劃項(xiàng)目(B2017321),武漢工商學(xué)院校學(xué)術(shù)團(tuán)隊(duì)資助項(xiàng)目(SXTD2015003)作者簡介:樂薇(1979-),女,副教授,聯(lián)系電話:13517219993,Email:yuewei11@126.com,吉瑞冬,吳士筠(武漢工商學(xué)院環(huán)境與生物工程學(xué)院,湖北,武漢,430065)摘要:以箬葉黃酮碳苷母核木犀草素為虛擬模板分子,結(jié)合Zn(II)的配位作用,丙烯酰胺為功能單體,N,N¢-亞甲基雙丙烯酰胺為交聯(lián)劑,乙醇為溶劑制備了木犀草素-Zn
2、(II)配位印跡聚合物,并將此聚合物與固相萃取相結(jié)合,分離了醇水體系中的箬葉黃酮碳苷。結(jié)果表明:當(dāng)n(模板分子)﹕n(功能單體)﹕n(交聯(lián)劑)=1:5:30時(shí),配位印跡聚合物具有最好的吸附性能,對(duì)醇相中木犀草素的吸附容量可達(dá)103.40mg/g,是未配位印跡聚合物吸附容量(60.61mg/g)的1.71倍,空白印跡聚合物(7.33mg/g)的13.7514.11倍。采用木犀草素-Zn(II)配位印跡聚合物分離醇水相中箬葉黃酮碳苷,經(jīng)一次分離后,葒草苷、異葒草、牡荊苷和異牡荊苷的回收率分別為91.95%、80.87%、60.43%和63.63%;
3、質(zhì)量百分?jǐn)?shù)相比粗提物分別提高55.46、48.78、36.45和38.38倍,4種黃酮碳苷總質(zhì)量百分?jǐn)?shù)由提取前的0.70%提高到32.68%。關(guān)鍵詞:木犀草素;配位印跡聚合物;箬葉;黃酮碳苷中圖分類號(hào):TQ041.8R284.2文獻(xiàn)標(biāo)志碼:A文章編號(hào):Studyonpreparationandapplicationofluteolin-Zn(II)coordinatemolecularlyimprintedpolymersYUEWei,JIRuidong,WUShijun(CollegeofEnvironmentalandBiologicalE
4、ngineering,WuhanTechnologyandBusinessUniversity,Wuhan,430065,China)Abstract:WiththeZn2+coordination,theluteolin-Zn(II)coordinatemolecularlyimprintedpolymers(MIPs)weresynthesizedusingluteolin(themothernucleusofC-glycosyflavonesfromIndicalamusleaf)asdummytemplate,acrylamide(AM
5、)asmonomer,N,N¢-methylenediacrylamide(MBA)ascross-linkerandethanolassolution.AndthenC-glycosyflavonesfromIndicalamusleafinalcohol-watersystemwereseparatedbysolidphaseextractionusingMIPs.Theresultsshowedthatwhenn(luteolin-Zn)﹕n(AM)﹕n(MBA)=1:5:30,theobtainedMIPpossessedthehigh
6、estadsorptioncapacityofluteolinfromethanolphasewithavalueof103.40mg?g-1,thatis1.71timesofMIPwithoutcoordination(60.61mg/g),13.7514.11timesofblankpolymer(7.33mg/g).TheMIPcanrevealedselectiveenrichmentcapabilityofC-glycosyflavonesfromIndicalamusleafinalcohol-watersystem,therec
7、overyratesofOrientin,Isoorientin,VitexinandIsovitexinare91.95%、80.87%、60.43%and63.63%,themasspercentsare55.46、48.78、36.45and38.38timesofthatincrudeextract,thetotalmasspercentofthefourkindsofC-glycosyflavonesisfrom0.70%to32.68%.Keywords:Luteolin;Coordinatemolecularlyimprinted
8、polymers;Indicalamusleaf;C-glycosyflavonesFoundationitem兩個(gè)中文項(xiàng)目,只有一個(gè)英文翻譯?:Sc