?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EKSPLORASI+UJI+AKTIVITAS+ANTIOKSIDAN+DAN%0D%0AANTIBAKTERI+DAUN+ALPUKAT+(PERSEA+AMERICANA+MILL.)+%3A%0D%0AEKSTRAKSI+MENGGUNAKAN+ULTRASONIC+ASSISTED%0D%0A%0D%0AEXTRACTION&rft.creator=Elmira+%2C+Rahmadhita%09&rft.subject=610+Ilmu+kedokteran%2C+ilmu+pengobatan+dan+ilmu+kesehatan&rft.description=Background%3A+One+of+the+cases+in+Indonesia+was+contaminated+by+pathogenic%0D%0Abacteria%2C+namely+Staphylococcus+aureus+and+Escherichia+coli+which+require+more%0D%0Aeffective+treatment+to+cure.+The+relationship+between+antioxidants+and+antibacterials%0D%0Ais+due+to+the+secondary+metabolite+compounds+contained+in+avocado+leaves+(Persea%0D%0Aamericana+Mill.)+extracted+using+the+sonication+method%2C+which+has+antioxidant%0D%0Acontent+and+can+inhibit+the+growth+of+microbes+that+cause+infections.%0D%0AMethods%3A+The+research+was+conducted+on+avocado+leaves+extracted+using+the%0D%0Asonication+method+and+tested+for+antioxidant+activity+and+antibacterial+test+with%0D%0Aantioxidant+concentrations+of+20+ppm%2C+40+ppm%2C+60+ppm%2C+80+ppm%2C+100+ppm+and%0D%0Aantibacterial+10%25%2C+20%25%2C+40%25%2C+and+80%25+against+Staphylococcus+aureus+and%0D%0AEscherichia+coli+bacteria.%0D%0AResult%3A+The+research+results+showed+that+the+ethanol+extract+of+avocado+leaves%0D%0A(Persea+americana+Mill.)+was+identified+antioxidant+activity+because+the+IC50+value%0D%0Awas+81.67+ppm+wich+means+it+has+high+antioxidant+activity.+The+antibacterial+test+of%0D%0Aethanol+extract+of+avocado+leaves+(Persea+americana+Mill.)+against+Staphylococcus%0D%0Aaureus+yielded+the+best+antibacterial+activity+at+a+concentration+of+80%25+with+an%0D%0Aaverage+diameter+of+the+inhibition+zone+of+52.22+mm+and+didn%E2%80%99t+show+inhibition+zone%0D%0Aagainst+Escherichia+coli+bacteria.%0D%0AConclusion%3A+The+ethanol+extract+of+avocado+leaves+(Persea+americana+Mill.)+yielded%0D%0Ahigh+antioxidant+activity.+The+antibacterial+activity+was+observed+in+the+ethanol%0D%0Aextract+of+avocado+leaves+(Persea+americana+Mill.)+against+Staphylococcus+aureus%0D%0Aand+unidentified+antibacterial+activity+againts+Escherichia+coli+bacteria.%0D%0AKeywords%3A+Persea+americana+Mill.%2C+Antioxidant%2C+Antibacterial%2C+Extraction%2C%0D%0AUltrasonic+Assisted+Extraction.%0D%0ALatar+Belakang%3A+Adanya+bakteri+patogen+yaitu+Staphylococcus+aureus+dan%0D%0AEscherichia+coli+membutuhkan+pengobatan+yang+lebih+efektif+untuk%0D%0Apenyembuhannya.+Adanya+hubungan+antioksidan+dan+antibakteri+dikarenakan%0D%0Amemiliki+senyawa+metabolit+sekunder+yang+dimiliki+oleh+daun+alpukat+(Persea%0D%0Aamericana+Mill.)+yang+diekstraksi+menggunakan+metode+sonikasi+memiliki%0D%0Akandungan+antioksidan+dan+dapat+menghambat+pertumbuhan+mikroba+penyebab%0D%0Ainfeksi.%0D%0AMetode%3A+Penelitian+dilakukan+pada+daun+alpukat+yang+diekstraksi+dengan+metode%0D%0Asonikasi+dan+diuji+aktivitas+antioksidannya+dan+uji+antibakterinya+dengan+konsentrasi%0D%0Aantioksidan+20+ppm%2C+40+ppm%2C+60+ppm%2C+80+ppm%2C+100+ppm+dan+antibakteri+10%25%2C+20%25%2C%0D%0A40%25%2C+dan+80%25+terhadap+bakteri+Staphylococcus+aureus+dan+Escherichia+coli.%0D%0AHasil%3A+Hasil+penelitian+menunjukkan+ekstrak+etanol+daun+alpukat+(Persea+mericana%0D%0AMill.)+telah+teridentifikasi+memiliki+aktivitas+antioksidan+karena+memiliki+nilai+IC50%0D%0Ayaitu+81%2C67+ppm+yang+artinya+memiliki+aktivitas+antioksidan+yang+tinggi.+Uji%0D%0Aantibakteri+ekstrak+etanol+daun+alpukat+(Persea+americana+Mill.)+terhadap%0D%0AStaphylococcus+aureus+menghasilkan+aktivitas+antibakteri+yang+terbaik+pada%0D%0Akonsentrasi+80%25+dengan+rata-rata+diameter+zona+hambat+yaitu+52%2C22+mm+dan+tidak%0D%0Aterlihat+adanya+daya+hambat+terhadap+bakteri+Escherichia+coli.%0D%0AKesimpulan%3A+Ekstrak+etanol+daun+alpukat+(Persea+americana+Mill.)+menghasilkan%0D%0Aaktivitas+antioksidan+yang+tinggi.+Aktivitas+antibakteri+yang+diamati+pada+ekstrak%0D%0Aetanol+daun+alpukat+(Persea+americana+Mill.)+terhadap+Staphylococcus+aureus+dan%0D%0Atidak+teridentifikasi+aktivitas+antibakteri+terhadap+bakteri+Escherichia+coli.%0D%0AKata+Kunci%3A+Persea+americana+Mill.%2C+Antioksidan%2C+Antibakteri%2C+Ekstraksi%2C%0D%0AUltrasonic+Assisted+Extraction.&rft.publisher=KEDOKTERAN&rft.date=2024-08-26&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F81875%2F1%2FABSTRAK%2520-%2520Tera%2520Computer.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F81875%2F2%2FSKRIPSI%2520FULL%2520TANPA%2520LAMPIRAN%2520-%2520Tera%2520Computer.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F81875%2F3%2FSKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN%2520DAN%2520LAMPIRAN%2520-%2520Tera%2520Computer.pdf&rft.identifier=++Elmira+%2C+Rahmadhita+++(2024)+EKSPLORASI+UJI+AKTIVITAS+ANTIOKSIDAN+DAN+ANTIBAKTERI+DAUN+ALPUKAT+(PERSEA+AMERICANA+MILL.)+%3A+EKSTRAKSI+MENGGUNAKAN+ULTRASONIC+ASSISTED+EXTRACTION.++KEDOKTERAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F81875%2F