?url_ver=Z39.88-2004&rft_id=1918031020&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=UJI+AKTIVITAS+ANTIBAKTERI+EKSTRAK+METANOL+DAUN+WARU+(Hibiscus+tiliaceus+Linn)+DENGAN+METODE+EKSTRAKSI+SONIKASI+TERHADAP+PERTUMBUHAN+Streptococcus+pyogenes+SECARA+IN+VITRO&rft.creator=Luhut+Uli+Arto%2C+Naenggolan&rft.subject=610+Ilmu+kedokteran%2C+ilmu+pengobatan+dan+ilmu+kesehatan&rft.description=Latar+Belakang+%3A+Streptococcus+pyogenes+dapat+menyebabkan+seseorang+mengidap+penyakit+infeksi+infeksi+saluran+pernapasan+atas+(ISPA).+Penggunaan+tanaman+waru+(Hibiscus+tiliaceus+Linn)+sebagai+obat+tradisional+merupakan+upaya+untuk+mengurangi+tingginya+kejadian+resistensi+akibat+antibiotik.+Metode+ekstraksi+sonikasi+diketahui+memiliki+banyak+sekali+kelebihan+dibandingkan+dengan+metode+ekstraksi+konvensional+terutama+dalam+hal+menghambat+pertumbuhan+bakteri.+Penelitian+ini+bertujuan+untuk+mengetahui+aktivitas+antibakteri+ekstrak+metanol+daun+waru+(Hibiscus+tiliaceus+Linn)+terhadap+pertumbuhan+bakteri+Streptococcus+pyogenes.+%0D%0AMetode+%3A+Penelitian+ini+adalah+penelitian+eksperimental+untuk+mengetahui+efek+antibakteri+dari+ekstrak+metanol+daun+waru+dengan+metode+ekstraksi+sonikasi+pada+konsentrasi+10%25%2C+15%25%2C+20%25+dan+25%25+(Hibiscus+tiliaceus+Linn)+terhadap+bakteri+Streptococcus+pyogenes.%0D%0AHasil+%3A+Hasil+penelitian+menunjukkan+adanya+aktivitas+antibakteri+ekstrak+metanol+daun+waru+(Hibiscus+tiliaceus+Linn)+pada+konsentrasi+10%25%2C+15%25%2C+20%25+dan+25%25+menghasilkan+rerata+diameter+zona+hambat+sebesar+10%2C29+mm%2C+11%2C41+mm%2C+13%2C63+mm+dan+14%2C44+mm.%0D%0ASimpulan+%3A+Terdapat+aktivitas+antibakteri+pada+ekstrak+metanol+daun+waru+(Hibiscus+tiliaceus+Linn)+terhadap+pertumbuhan+Streptococcus+pyogenes.%0D%0A%0D%0AKata+Kunci+%3A+antibakteri%2C+daun+waru%2C+sonikasi%2C+Streptococcus+pyogenes.%0D%0A%0D%0A%0D%0ABackground+%3A+Streptococcus+pyogenes+can+cause+a+person+to+develop+an++upper+respiratory+tract+infection+.+The+use+of+the+hibiscus+plant+(Hibiscus+tiliaceus+Linn)+as+a+traditional+medicine+is+an+attempt+to+reduce+the+high+incidence+of+antibiotic-induced+resistance.+The+sonication+extraction+method+is+known+to+have+many+advantages+compared+to+conventional+extraction+methods%2C+especially+in+terms+of+inhibiting+bacterial+growth.+This+study+aims+to+determine+the+antibacterial+activity+of+methanol+extract+of+hibiscus+leaves+(Hibiscus+tiliaceus+Linn)+on+the+growth+of+Streptococcus+pyogenes+bacteria.%0D%0AMethods+%3A+This+research+is+an+experimental+study+to+determine+the+antibacterial+effect+of+methanol+extract+of+hibiscus+leaves+by+sonication+extraction+method+at+concentrations+of+10%25%2C+15%25%2C+20%25%2C+25%25+(Hibiscus+tiliaceus+Linn)+against+Streptococcus+pyogenes+bacteria.%0D%0AResults+%3A+The+results+showed+that+the+antibacterial+activity+of+the+methanol+extract+of+waru+leaves+(Hibiscus+tiliaceus+Linn)+at+concentrations+of+10%25%2C+15%25%2C+20%25+and+25%25+resulted+in+an+average+diameter+of+the+inhibition+zone+of+10.29+mm%2C+11.41+mm%2C+13.63+mm+and+14.44mm.%0D%0AConclusion+%3A+There+is+antibacterial+activity+in+the+methanol+extract+of+hibiscus+leaves+(Hibiscus+tiliaceus+Linn)+against+the+growth+of+Streptococcus+pyogenes.%0D%0A%0D%0AKeyword+%3A+antibacterial%2C+hibiscus+leaves%2C+sonication%2C+Streptococcus+pyogenes.+%0D%0A&rft.publisher=FAKULTAS+KEDOKTERAN&rft.date=2023-05-23&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71737%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71737%2F2%2FSKRIPSI%2520FULL_LUHUT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71737%2F3%2FSKRIPSI%2520TANPA%2520PEMBAHASAN_LUHUT.pdf&rft.identifier=++Luhut+Uli+Arto%2C+Naenggolan++(2023)+UJI+AKTIVITAS+ANTIBAKTERI+EKSTRAK+METANOL+DAUN+WARU+(Hibiscus+tiliaceus+Linn)+DENGAN+METODE+EKSTRAKSI+SONIKASI+TERHADAP+PERTUMBUHAN+Streptococcus+pyogenes+SECARA+IN+VITRO.++FAKULTAS+KEDOKTERAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F71737%2F