23185.葡萄籽油制備工藝及其質(zhì)量控制的研究

1、獨(dú)創(chuàng)性聲明本人聲明所呈交的論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果，也不包含為獲得寧夏大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書而使用過的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均已在論文中作了明確的說明并表示了謝意。研究生簽名：昊昆晶時(shí)間：印蛑年r月玎日關(guān)于論文使用授權(quán)的說明本人完全了解寧夏大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定，即：學(xué)校有權(quán)

2、保留送交論文的復(fù)印件和磁盤，允許論文被查閱和借閱，可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文。同意寧夏大學(xué)可以用不同方式在不同媒體上發(fā)表、傳播學(xué)位論文的全部或部分內(nèi)容。(保密的學(xué)位論文在解密后應(yīng)遵守此協(xié)議)研究生簽名：疑晶品時(shí)間：矽埠年r月玎日新躲裂必時(shí)間：砂斗年r月廡角AbstractSupercriticalC02extractiontechnologywasusedtoextractgrapeseedoilinthiss

3、tudyaimingtoavoidthewasteandrecyclingofwasteresourcesAtpresent，thereisnotaperfectsystemtoevaluatethequalityofgrapeseedoil，andthedatagiveninthenationalstandardsCannotexplaintheoriginalcompositionoffattyacidsingrapeseedoil

4、InthispaperthecompositionandcontentoftheunsaturatedfattyacidsinthegrapeseedoilwereexploredwiththetechnologyofGCMSandHPLC，andthisworkcanbeanusefulexampleforthequalitycontrolstandardofgrapeseedoilThisthesismainlyincludesth

5、efollowingthreeparts：1Inthispart，experimentwascarriedouttofindtheeffectsofpressure，temperatureandextractiontimeonoilyieldsextractedbySCF—C02，aimingtofindouttheoptimaloperationconditionsSometestsweredesignedtofigureoutvar

6、iousphysicalandchemicalpropertiesofthegrapeseedoilwhichwasextractedbySCFC02，theresultsmetthenationalstandardswithinlimits2ThecompositionandcontentofthefattyacidsinthegrapeseedoilweremeasuredwiththeanalyticmethodofGCMSThe

7、measurementresultswereanalyzedanddiscussedaftertheexperimentsinthispart3AnHPLCELSDanalyticmethodfordeterminationofmonolinoleinanddilinoleinfromgrapeseedoilwasestablishedTheeffectofcarriergaspressure，drifttubetemperaturea

8、ndproportionofmobilephaseonchromatogrampeakshapeandthedegreeofseparationofrelatedsubstancesingrapeseedoilwereinvestigatedinthispartHPLCwasperformedonAgelaTechnologiesInnovatC18(46mm250mm，5岬)chromatographiccolumnwithaceto

9、nitrileisopropanol(90：10)asthemobilephaseataflowrateof10ml／minThetemperatureofdrifttubewas80℃，andthepressureofcarriergasWas350kPaThemethodissimpleandaccurate，andthecontentofmonolinoleinanddilinoleininthegrapeseedoilcanbe