?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ISOLASI%2C+KARAKTERISASI%2C+DAN+UJI+BIOAKTIVITAS+SENYAWA%0D%0AFLAVONOID+DARI+FRAKSI+ETIL+ASETAT+KAYU+CABANG%0D%0ATUMBUHAN+KENANGKAN+(Artocarpus+rigida+Blume)%0D%0A&rft.creator=MELLA+%2C+OKTAVIA&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Penyakit+infeksi+merupakan+penyakit+yang+disebabkan+oleh%0D%0Amikroorganisme.+Antibiotik+banyak+digunakan+untuk+melawan+infeksi%2C+tetapi%0D%0Apenggunaan+antibiotik+yang+berlebihan+dan+tidak+terkontrol+dapat+menyebabkan%0D%0Aresistensi%2C+maka+dibutuhkan+obat+antibiotik+baru+yang+memiliki+efikasi+yang+optimal%0D%0Adalam+membantu+mengurangi+penyakit+infeksi.%0D%0APenelitian+ini+bertujuan+untuk+mengisolasi%2C+mengidentifikasi%2C+dan+menguji%0D%0Abioaktivitas+antibakteri+senyawa+flavonoid+hasil+isolasi+dari+kayu+cabang+tumbuhan%0D%0Akenangkan+(A.+rigida+Blume).+Isolasi+senyawa+dilakukan+dengan+metode+maserasi%0D%0Abertingkat+menggunakan+pelarut+n-heksana+dan+etil+asetat%2C+serta+dilakukan+dengan%0D%0Amaserasi+tidak+bertingkat+menggunakan+pelarut+metanol.+Pemurnian+senyawa%0D%0Aflavonoid+dilakukan+dengan+kromatografi+cair+vakum+(KCV)+dan+kromatografi%0D%0Akolom+(KK).+Karakterisasi+senyawa+dilakukan+dengan+menggunakan%0D%0Aspektrofotometer+UV-Vis+dan+IR.+Uji+bioaktivitas+antibakteri+dilakukan+dengan%0D%0Ametode+difusi+cakram+terhadap+bakteri+S.+aureus+dan+Salmonella+sp.%0D%0AHasil+penelitian+diperoleh+dua+senyawa+flavonoid+yaitu+senyawa+artokarpin%0D%0Aberupa+kristal+bewarna+kuning+290%2C2+mg+dan+senyawa+EE1+yang+diduga+sebagai%0D%0Asenyawa+calkon+berupa+kristal+berwarna+kuning+2%2C2+mg.+Hasil+uji+antibakteri%0D%0Aterhadap+bakteri+S.+aureus+dan+Salmonella+sp.+menggunakan+senyawa+artokarpin%0D%0Amemiliki+daya+hambat+kategori+sedang+pada+konsentrasi+0%2C5+mg%2Fdisc%2C+sedangkan%0D%0Asenyawa+EE1+terhadap+bakteri+Salmonella+sp.+memiliki+daya+hambat+kategori+kuat%0D%0Apada+konsentrasi+0%2C3+mg%2Fdisc.%0D%0AKata+Kunci%3A+Artocarpus+rigida+Blume%2C+flavonoid%2C+antibakteri%2C+Salmonella+sp%2C%0D%0A%0D%0AS.+aureus%0D%0A%0D%0Aiii%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AISOLATION%2C+CHARACTERIZATION%2C+AND+BIOACTIVITY+TEST+OF%0D%0AFLAVONOID+COMPOUNDS+FROM+THE+ETHYL+ACETATE+FRACTION%0D%0A%0D%0ABRANCH+WOOD+OF+THE+KENANGKAN+PLANT%0D%0A%0D%0A(Artocarpus+rigida+Blume)%0D%0A%0D%0ABy%0D%0A%0D%0AMELLA+OKTAVIA%0D%0A%0D%0AInfectious+diseases+are+diseases+caused+by+microorganisms.+Antibiotics+are%0D%0Awidely+used+to+fight+infections%2C+but+excessive+and+uncontrolled+use+of+antibiotics%0D%0Acan+cause+resistance%2C+so+new+antibiotic+drugs+are+needed+that+have+optimal+efficacy%0D%0Ain+helping+reduce+infectious+diseases.%0D%0AThis+research+aims+to+isolate%2C+identify+and+test+the+antibacterial+bioactivity%0D%0Aof+flavonoid+compounds+isolated+from+the+branch+wood+of+the+kenangkan+plant%0D%0A(A.+rigida+Blume).+Compound+isolation+was+carried+out+using+a+multi-stage%0D%0Amaceration+method+using+n-hexane+and+ethyl+acetate+solvents%2C+as+well+as+non-graded%0D%0Amaceration+using+methanol+solvent.+Purification+of+flavonoid+compounds+was%0D%0Acarried+out+using+vacuum+liquid+chromatography+(VLC)+and+column%0D%0Achromatography+(CC).+Compound+characterization+was+carried+out+using+a+UV-Vis%0D%0Aand+IR+spectrophotometer.+The+antibacterial+bioactivity+test+was+carried+out+using%0D%0Athe+disc+diffusion+method+against+the+bacteria+S.+aureus+and+Salmonella+sp.%0D%0AThe+results+of+the+study+obtained+two+flavonoid+compounds%2C+namely+the%0D%0Aartocarpin+compound+in+the+form+of+yellow+crystals+of+290.2+mg+and+the+EE1%0D%0Acompound+which+is+suspected+to+be+a+chalcone+compound+in+the+form+of+yellow%0D%0Acrystals+of+2.2+mg.+The+results+of+the+antibacterial+test+against+S.+aureus+and%0D%0ASalmonella+sp.+using+the+artocarpin+compound+have+a+moderate+inhibitory+power+at%0D%0Aa+concentration+of+0.5+mg%2Fdisc%2C+while+the+EE1+compound+against+Salmonella+sp.+has%0D%0Aa+strong+inhibitory+power+at+a+concentration+of+0.3+mg%2Fdisc.%0D%0AKeywords%3A+Artocarpus+rigida+Blume%2C+flavonoids%2C+antibacterial%2C+Salmonella+sp%2C%0D%0A%0D%0AS.+aureus&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2024-06-13&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85264%2F1%2FAbstrak_Mella%2520Oktavia_2017011054%2520-%2520Mella%2520Oktavia.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85264%2F2%2FSkripsi_Mella%2520Oktavia_2017011054%2520-%2520Mella%2520Oktavia.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85264%2F3%2FSkripsi%2520Tanpa%2520Pembahasan_Mella%2520Oktavia_2017011054.%2520-%2520Mella%2520Oktavia.pdf&rft.identifier=++MELLA+%2C+OKTAVIA++(2024)+ISOLASI%2C+KARAKTERISASI%2C+DAN+UJI+BIOAKTIVITAS+SENYAWA+FLAVONOID+DARI+FRAKSI+ETIL+ASETAT+KAYU+CABANG+TUMBUHAN+KENANGKAN+(Artocarpus+rigida+Blume).++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F85264%2F