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1、萬(wàn)方數(shù)據(jù)第28卷第9期分析測(cè)試學(xué)報(bào)VoL28No.92009年9月FENXICESHIXUEBAO(JournalofInstrumentalAnalysis)1081~1083氨基葡萄糖鹽酸鹽含量的HPLC柱前衍生法測(cè)定鄭家概,王飛,農(nóng)云軍,蘇流坤(中國(guó)廣州分析測(cè)試中心廣東省化學(xué)危害應(yīng)急檢測(cè)技術(shù)重點(diǎn)實(shí)驗(yàn)室,廣東廣州510070)摘要:建立了柱前衍生反相高效液相色譜法測(cè)定制劑及保健品中的氨基葡萄糖鹽酸鹽(GAH)的含量,利用鄰苯二甲醛與氨基葡萄糖鹽酸鹽中的氨基進(jìn)行柱前在線衍生化反應(yīng),C。。色譜柱洗脫,用熒光檢測(cè)器(激發(fā)340nm,發(fā)射450nm)測(cè)定。流動(dòng)相A為10
2、mmol·L。1Na2HP04一Nail2P04緩沖液(pH7.2,PBS),含0.5%(體積分?jǐn)?shù))四氫呋喃;流動(dòng)相B為PBS一甲醇一乙腈(體積比50:35:15)。線性范圍為1.0—100.0mg·L~,相關(guān)系數(shù)為0.9999,GAH的定量下限為1.0mg-L~,保留時(shí)間和峰面積的相對(duì)標(biāo)準(zhǔn)偏差分別為0.12%和1.69%,加標(biāo)回收率為99%一101%。關(guān)鍵詞:氨基葡萄糖;高效液相色譜;鄰苯二甲醛;柱前衍生中圖分類號(hào):0657.72;TQ921.2文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1004—4957(2009)09—1081—03doi:10.3969/j.issn.1004
3、—4957.2009.09.021DeterminationofGlucosamineHydrochloridebyPre.columnDerivatizationandHighPerformanceLiquidChromatographyZHENGJia—gai,WANGFei,NONGYun-jun,SULiu—kun(GuangdongKeyLaboratoryofEmergencyChemicalTest,ChinaNationalAnalyticalCenter,Guangzhou510070,China)Abstract:Apre—columnderiv
4、atizationhighperformanceliquidchromatography(HPLC)methodwasdevelopedfordeterminationofglucosaminehydrochloride(GAH)inpharmaeeutiesandhealthyfoodbyusingo—phthalaldehyde(OPA)asderivatizationreagenttoreactwithaminogroupofGAH.ThesamplewasseparatedonaC18columnbyagradientelutionusing10mmol·L
5、~Na2HP04一NaH2P04sodiumphosphatebuffer(pH7.2,PBS)containing0.5%(byvolume)tetrahydrofuran(THF)asmobilephaseAandPBS—methanol—acetonitrile(50:35:15,byvolume)asmobilephaseB.GAHwasdetectedbyfluorospectrophotometeratexcitationwavelengthof340amandemis—sionwavelengthof450am.Theresultindicatedth
6、atagoodrelationshipwasobservedbetweenpeakareaandGAHconcentrationintherangeof1.0—100.0mg·L—withacorrelationcoefficientof0.9999.Thelimitofquantitationwas1.0mg·L~.TherelativestandarddeviationsofretentiontimeandpeakareaofGAHwere0.12%and1.69%,respectively.ThespikedrecoveriesofGAHwerebetween
7、99%and101%.Themethodwassimple,accurate,reliableandsensitive,andwassuitableforthedeterminationofGAHinpharrnaeeuticsandhealthyfood.Keywords:glucosaminehydroehloride(GAH);HPLC;o—phthalaldehyde;pre—columnderivatization氨基葡萄糖鹽酸鹽(GAH)稱為葡胺糖鹽酸鹽,或鹽酸氨基酸葡萄糖,學(xué)名2一氨基-2一脫氧-D一葡萄糖鹽酸鹽,是氨基葡萄糖的一種穩(wěn)定化合物。它可