?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ISOLASI%2C+IDENTIFIKASI%2C+DAN+UJI+BIOAKTIVITAS+SENYAWA+STIGMAST-5-EN-3%CE%B2-OL+(%CE%B2-SITOSTEROL)+DARI+KULIT+AKAR+%0D%0ABAKAU+MINYAK+(Rhizophora+apiculata)%0D%0A&rft.creator=Rahmat+Kurniawan%2C+1017011044&rft.subject=+&rft.description=Abstrak+Indonesia+%3A%0D%0APada+penelitian+ini+telah+dilakukan+isolasi%2C+identifikasi%2C+dan+uji+bioaktivitas+senyawa+steroid+dari+kulit+akar+Bakau+Minyak+(Rhizophora+apiculata).+Proses+isolasi+melalui+tahapan+maserasi+dengan+metanol%2C+pemisahan+kromatografi+cair+vakum+(KCV)+dan+pemurnian+dengan+kromatografi+kolom+(KK)+menggunakan+eluen+etilasetat%2Fn-heksana.+Senyawa+murni+hasil+isolasi+berbentuk+kristal+jarum%2C+bening+dengan+berat+0%2C214+gram+(0%2C01%25)+yang+diidentifikasi+menggunakan+pereaksi+Liebermann-Burchard%2C+menghasilkan+spot+berwarna+biru+mengindikasikan+steroid.+Hasil+KLT+dengan+tiga++sistem+eluen+berbeda+yaitu+etilasetat%2Fn-hekasana+1%3A9%2C+kloroform%2Fbenzena+1%3A9%2C+dan+diklorometan%2Fn-heksana+1%3A9+menghasilkan+nilai+Rf+berturut-turut+0%2C25%2C+0%2C20+dan+0%2C15%2C+serta+titik+leleh+didapat+160%2C2o-161oC.+Penentuan+struktur+senyawa+hasil+isolasi+secara+spektrofotometri+UV-Vis%2C+FT-IR%2C+13C-NMR%2C+1H-NMR%2C+DEPT%2C+dan+GC-MS+menunjukkan+senyawa+steroid%2C+stigmast-5-en-3%CE%B2-ol+(%CE%B2-sitosterol).+Uji+bioaktivitas+senyawa+hasil+isolasi+memberikan+aktivitas+zona+hambat+dengan+diameter+8+mm+terhadap+E.+coli.%0D%0A%0D%0AAbstrak+inggris+%3A%0D%0AThis+study++had+done+the+isolation%2C+identification%2C+and+bioactivity+test+of+steroids+compound+from+root+bark+of+Bakau+Minyak+(R.+apiculata).+The+isolation+proses+include+extraction+with+maceration+method+by+methanol%2C+separation+with+vacuum+liquid+chromatography+(VLC)%2C+and+purification+with+column+chromatography+(CC)+using+ethylacetat%2Fn-hexane.+The+pure+compound+of+isolated+shown+crystal+needle-shaped+with+0.214+grams+(0.01%25)+was+identified+by+Liebermann-Burchard+reagent+had+a+blue-collored+spot%2C+indicated+that+a+steroid+compound.+The+result+of+thin-layer+chromatography+(TLC)+with+three+different+systems+of+eluens+that+is+1%3A9+ethylacetat%2Fn-hexane%2C+1%3A9+cloroform%2Fbenzene%2C+and++1%3A9+DCM%2Fn-hexane+given+Rf+value+0.25%2C+0.20%2C+and+0.15+respectively+with+melting+point+test+looking+for+160.2o-161oC.++The+pure+compound+of+isolated+was+determined+by+UV-Vis%2C+FT-IR%2C+13C-NMR%2C+1H-NMR%2C+DEPT%2C+and+GC-MS+spectrophotometry.+Base+on+analysis+of+data+indicate+that+had+formed+a+steroid+compound+called+Stigmast-5-en-3%CE%B2-ol+++++++++++++(%CE%B2-sitosterol).+Bioactivity+test+of+isolated+compound+gave+8+mm+zone+inhibits+againts+E.+coli.&rft.publisher=Fakultas+MIPA&rft.date=2014-09-24&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F1%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F4%2FCOVER%2520LUAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F5%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F6%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F7%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F8%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F9%2FHALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F10%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F11%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F12%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F13%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F14%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F15%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F16%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F17%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F18%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F19%2FDAFTAR%2520PUSTAKA.pdf&rft.identifier=++Rahmat+Kurniawan%2C+1017011044++(2014)+ISOLASI%2C+IDENTIFIKASI%2C+DAN+UJI+BIOAKTIVITAS+SENYAWA+STIGMAST-5-EN-3%CE%B2-OL+(%CE%B2-SITOSTEROL)+DARI+KULIT+AKAR+BAKAU+MINYAK+(Rhizophora+apiculata).++Fakultas+MIPA%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F4026%2F