?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=AKTIVITAS+ANTIOKSIDAN+DAN+ANTIBAKTERI+EKSTRAK%0D%0AMETANOL+DAUN+KELAPA+SAWIT+(ELAEIS+GUINEENSIS+FOLIA%0D%0AJACQ)+MENGGUNAKAN+METODE+ULTRASOUND%0D%0AASSISTED+EXTRACTION&rft.creator=%09Nadia%2C++Mutiara+Hati&rft.subject=610+Ilmu+kedokteran%2C+ilmu+pengobatan+dan+ilmu+kesehatan&rft.description=Background%3A+Indonesia+is+a+country+abundant+in+natural+resources%2C+and+almost+all+%0D%0Atypes+of+plants+can+thrive+in+its+territory.+One+of+them+is+the+oil+palm+leaf+(Elaeis+%0D%0Aguineensis+folia+Jacq)%2C+which+contains+compounds+such+as+terpenoids%2C+steroids%2C+%0D%0Aalkaloids%2C+flavonoids%2C+glycosides%2C+tannins%2C+and+saponins.+Additionally%2C+this+plant+is+%0D%0Aknown+among+communities+for+its+beneficial+properties+in+treating+skin+infections.+%0D%0APrevious+studies+have+been+limited+to+conventional+extraction+methods%2C+with+no+%0D%0Aresearch+utilizing+modern+extraction+methods.+This+study+aims+to+investigate+the+%0D%0Apotential+antioxidant+and+antibacterial+activities+of+methanol+extract+from+oil+palm+%0D%0Aleaves+(Elaeis+guineensis+folia+Jacq).+%0D%0AMethods%3A+Laboratory-scale+experimental+research+was+conducted.+Oil+palm+leaf+%0D%0Aextraction+was+performed+using+the+ultrasound-assisted+extraction+method.+%0D%0ASubsequently%2C+total+phenolic+content+was+measured+using+the+Folin-Ciocalteu+%0D%0Amethod%2C+total+flavonoid+content+was+measured+using+the+AlCl3+method%2C+antioxidant+%0D%0Aactivity+was+tested+using+DPPH+(2%2C2-diphenyl-1-picrylhydrazyl)%2C+and+antibacterial+%0D%0Aactivity+was+tested+using+the+cylinder+diffusion+method.+%0D%0AResults%3A+The+results+of+this+study+showed+that+the+methanol+extract+of+oil+palm+%0D%0Aleaves+had+a+total+phenolic+content+of+529.44+mg+GAE%2Fgr%2C+total+flavonoid+content+of+%0D%0A103.15+mg+QE%2Fgr%2C+an+IC50+value+of+187.14+ppm%2C+and+produced+a+zone+of+inhibition+%0D%0Adiameter+of+0+mm.+%0D%0AConclusion%3A+The+extract+of+oil+palm+leaves+(Elaeis+guineensis+folia+Jacq)+had+lower+%0D%0Atotal+phenolic+and+flavonoid+content+compared+to+some+other+studies%2C+exhibited+%0D%0Aweak+antioxidant+effects%2C+and+showed+no+antibacterial+effects+against+both+test+%0D%0Abacteria.+%0D%0AKeywords%3A+Antibacterial%2C+oil+palm+leaf%2C+ultrasound-assisted+extraction%2C+antioxidan%0D%0ALatar+Belakang+%3A+Indonesia+merupakan+negara+dengan+kekayaan+alam+yang+%0D%0Amelimpah+dan+hampir+segala+jenis+tumbuhan+dapat+tumbuh+di+wilayah+negara+ini.+%0D%0ASalah+satunya+ialah+daun+kelapa+sawit+(Elaeis+guineenis+folia+Jacq)+mengandung+%0D%0Asenyawa-senyawa+terpenoid%2C+steroid%2C+alkaloid%2C+flavonoid%2C+glikosida%2C+tanin+dan+%0D%0Asaponin+dan+juga+tanaman+ini+dikalangan+masyarakat+memiliki+manfaat+yang+dapat+%0D%0Adigunakan+untuk+pengobatan+infeksi+kulit.+Penelitian+sebelumnya+terbatas+pada+%0D%0Ametode+ekstraksi+konvensional+dan+belum+ada+penelitian+yang+menggunakan+%0D%0Ametode+ekstraksi+modern.+Penelitian+ini+bertujuan+untuk+mengetahui+potensi+%0D%0Aaktivitas+antioksidan+dan+aktivitas+antibakteri+dari+ekstrak+metanol+daun+kelapa+%0D%0Asawit+(Elaeis+guineenis+folia+Jacq).+%0D%0AMetode%3A+Penelitian+eksperimental+skala+laboratorium.+Ekstraksi+daun+kelapa+sawit+%0D%0Adilakukan+dengan+metode+ultrasound+assisted+extraction.+Selanjutnya%2C+dilakukan+%0D%0Apengukuran+total+fenolik+dengan+metode+Folin-Ciocalteu%2C+pengukuran+total+%0D%0Aflavonoid+dengan+metode+AlCl3%2C+uji+aktivitas+antioksidan+dengan+menggunakan+%0D%0ADPPH+(2%2C2-diphenyl-1-+picrylhydrazyl)+dan+uji+aktivitas+antibakteri+dengan+metode+%0D%0Adifusi+silinder.+%0D%0AHasil%3A+Hasil+penelitian+ini+menunjukkan+bahwa+ekstrak+daun+rambutan+metode+%0D%0Amemiliki+kadar+total+fenolik+sebesar+529%2C44+mg+GAE%2Fgr%2C+total+flavonoid+sebesar+%0D%0A103%2C15+mg+QE%2Fgr%2C+nilai+IC50+sebesar+187%2C14+ppm+serta+menghasilkan+diameter+zona+%0D%0Ahambat+sebesar+0+mm.+%0D%0ASimpulan%3A+Ekstrak+daun+kelapa+sawit+(Elaeis+guineenis+folia+Jacq)+memiliki+kadar+%0D%0Atotal+fenolik+dan+total+flavonoid+yang+lebih+rendah+dibandingkan+beberapa+%0D%0Apenelitian+lain%2C+memiliki+efek+antioksidan+dengan+kategori+lemah+dan+belum+%0D%0Aterdapat+efek+antibakteri+terhadap+kedua+bakteri+uji+%0D%0AKata+kunci%3A+Antibakteri%2C+daun+kelapa+sawit%2C+ultrasound+assisted+extraction%2C+%0D%0Aantioksidan%0D%0A&rft.publisher=KEDOKTERAN&rft.date=2024-04-29&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85512%2F3%2FABSTRAK%2520%2528ABSTRACT%2529%2520-%2520Nadia%2520Mutiara%2520Hati.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85512%2F2%2FSKRIPSI%2520FULL%2520PDF%2520-%2520Nadia%2520Mutiara%2520Hati.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85512%2F1%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Nadia%2520Mutiara%2520Hati.pdf&rft.identifier=+++Nadia%2C+Mutiara+Hati++(2024)+AKTIVITAS+ANTIOKSIDAN+DAN+ANTIBAKTERI+EKSTRAK+METANOL+DAUN+KELAPA+SAWIT+(ELAEIS+GUINEENSIS+FOLIA+JACQ)+MENGGUNAKAN+METODE+ULTRAS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