?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KARAKTERISASI+SENYAWA+FLAVONOID+HASIL+ISOLASI+EKSTRAK%0D%0AMETANOL+DAUN+GAMAL+(Gliricidia+maculata)+(THE+CHARACTERIZATION+OF+FLAVONOID+COMPOUND+ISOLATED%0D%0AFROM+METHANOL+EXTRACT+OF+Gliricidia+maculata+LEAVES)&rft.creator=Nasir%2C+AFRIYORAWAN+N.&rft.subject=Q+Science+(General)&rft.subject=QD+Chemistry&rft.description=Penelitian+ini+bertujuan+untuk+mengisolasi+senyawa+flavonoid+yang+bersifat%0D%0Asebagai+insektisida+nabati+dari+ekstrak+metanol+daun+gamal+(Gliricidia+maculata%2C%0D%0AL.).+Ekstrak+metanol+diperoleh+dengan+cara+maserasi+serbuk+daun+gamal.%0D%0AFraksinasi+dan+pemurnian+ekstrak+metanol+dilakukan+dengan+metode+kromatografi%0D%0Akolom+dengan+adsorben+Sephadex+LH-20+dan+eluen+MeOH+%3A+H2O+(4%3A1).+Fraksi%E2%80%93%0D%0Afraksi+yang+dihasilkan+dipantau+menggunakan+metode+kromatografi+lapis+tipis%0D%0Adengan+adsorben+Silica+Gel+60+F254+pada+plat+alumunium+dan+eluen+DCM+%3A+MeOH%0D%0A(7%3A3)+dan+diidentifikasi+dengan+larutan+AlCl3+pada+Rf+0%2C531.+Fraksi+tersebut%0D%0Adirekristalisasi+dan+diperoleh+kristal+RIO-46A+berbentuk+amorf+dan+berwarna%0D%0Aputih+kekuningan+dengan+berat+0%2C35+gram.+Analisis+kristal+menggunakan%0D%0Aspektrofotometer+UV-Vis+menunjukkan+adanya+serapan+maksimum+pada+%CE%BB+268%0D%0A(pita+II)+dan+%CE%BB+349+(pita+I)+dan+analisis+menggunakan+spektrofotometer+IR%0D%0Amemberikan+puncak+absorbsi+pada+bilangan+gelombang+3373+cm-1+(O-H)%2C+2926+-%0D%0A2885+cm-1+(C-H+alifatik)%2C+1593+-+1459+cm+-1+(C%3DC+aromatik)%2C+1729+cm-1+(C%3DO)+dan%0D%0A1073+cm-1+(C-O-C).+Berdasarkan+kedua+metode+spektrofotometri+tersebut%2C+dapat%0D%0Adisimpulkan+bahwa+isolat+merupakan+aglikon+flavonoid+dari+golongan+flavon.%0D%0AHasil+dari+uji+bioassay%2C+aglikon+flavonoid+dari+golongan+flavon+ini+memiliki%0D%0Aaktivitas+biologis+sebagai+insektisida+nabati+terhadap+hama+kutu+putih+tanaman%0D%0Apepaya+(Paracoccus+marginatus)+dengan+nilai+LC50+3%2C35%25+dalam+waktu+12+jam%0D%0Asetelah+perlakuan.%0D%0AKata+kunci+%3A+senyawa+flavonoid%2C+isolasi%2C+daun+gamal%2C+insektisida+nabati+(This+reseach+aims+to+isolate+flavonoid+compound+which+has+botanical+insecticide%0D%0Afrom+metanol+extract+of+Gliricidia+maculata+leaves.+The+methanol+extract+was%0D%0Aobtained+from+maceration+of+G.+maculate+leaves+powder.+Fractination+and%0D%0Apurification+of+the+extract+was+done+with+column+chromatography+method+using%0D%0ASephadex+LH-20+as+adsorbent+and+MeOH+%3A+H2O+(4%3A1)+as+eluent.+The+fractions%0D%0Aresulted+in+was+monitored+by+thin+layer+chromatography+method+with+adsorbent+of%0D%0ASilica+Gel+60+F254+on+alumunium+plate+and+DCM+%3A+MeOH+(7%3A3)+as+eluent.%0D%0AIdentification+of+flavonoid+compound+using+AlCl3+gave+Rf+value+of+0%2C531.+The%0D%0Arelatively+pure+fraction+was+recrystallized+and+gave+yellowish+white+crystal+RIO-46A%0D%0Aabout+0%2C35+gram.+Analysis+of+the+crystal+using+UV-Vis+spectrophotometry+showed%0D%0Amaximum+adsorption+at+%CE%BB+268+(band+II)+and+%CE%BB+349+(band+I)+and+analysis+using%0D%0AIR+spectrophotometry+gave+adsorption+bands+on+wavelength+numbers+of+3373+cm-1%0D%0A(O-H)%2C+2926-2885+cm-1+(aliphatic+C-H)%2C+1593-1459+cm-1+(C+%3D+C+aromatic)%2C+1729+cm-1%0D%0A(C+%3D+O)+and+1073+cm-1+(C-O-C).+Based+on+both+analysis+method%2C+it+is+concluded+that%0D%0Aisolate+was+a+flavonoid+aglycon+from+flavon.+The+result+of+bioassay+test+toward+of%0D%0Apapaya+mealybug+(Paracoccus+marginatus)+showed+that+the+isolate+has+a%0D%0Acharacteristic+of+botanical+insecticide+with+LC50+3%2C35%25+after+12+hours+of+treatment.%0D%0AKeywords%3A+flavonoid+compounds%2C+isolation%2C+Gliricidia+leaves%2C+botanical+insecticide%3F)&rft.publisher=Fakultas+MIPA&rft.date=2013-09-23&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F1%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F2%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F3%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F4%2FHALAMAN%2520MENYETUJUI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F5%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F6%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F7%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F8%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F10%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F9%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F11%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F12%2FDAFTAR%2520PUSTAKA.pdf&rft.format=archive&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F896%2F13%2FLAMPIRAN.zip&rft.identifier=++Nasir%2C+AFRIYORAWAN+N.++(2013)+KARAKTERIS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