?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=UJI+AKTIVITAS+ANTIBAKTERI+FRAKSI+ETANOL+DAUN+DAN+KULIT%0D%0ABATANG+BAKAU+MINYAK+(Rhizophora+apiculata)+TERHADAP%0D%0A%0D%0ABAKTERI+PENYEBAB+JERAWAT&rft.creator=Pitha+%2C+Maykania+Poty%09&rft.subject=610+Ilmu+kedokteran%2C+ilmu+pengobatan+dan+ilmu+kesehatan&rft.description=Latar+Belakang%3A+Resistensi+bakteri+penyebab+jerawat+terhadap+perawatan%0D%0Aantibiotik+sehingga+diperlukan+alternatif+pengobatan+jerawat+dengan+menggunakan%0D%0Abahan-bahan+dari+alam.+Salah+satu+tanaman+yang+berpotensi+dikembangkan%0D%0Asebagai+antibakteri+adalah+bakau+minyak+(Rhizophora+apiculata).%0D%0AMetode%3A+Sampel+daun+dan+kulit+batang+bakau+minyak+dimaserasi+dengan+etanol%0D%0A96%25+kemudian+difraksinasi+dengan+etil+asetat+dan+n-heksana%2C+kemudian+dilakukan%0D%0Aevaporasi.+Fraksi+diencerkan+menjadi+lima+konsentrasi%2C+yaitu+1%2C56%25%2C+3%2C125%25%2C%0D%0A6%2C25%25%2C+12%2C5%25%2C+dan+25%25.+Kontrol+positif+menggunakan+clindamycin+2%25+dan%0D%0Akontrol+negatif+menggunakan+aquades.+Uji+aktivitas+antibakteri+dengan+metode%0D%0Adifusi+sumuran+dilakukan+dengan+pengukuran+zona+hambat.+Selanjutnya%2C%0D%0Adilakukan+uji+KHM+dan+KBM.%0D%0AHasil%3A+Fraksi+daun+bakau+minyak+memiliki+aktivitas+antibakteri+terhadap+bakteri%0D%0ACutibacterium+acnes+dan+Staphylococcus+epidermidis%2C+yaitu+pada+konsentrasi%0D%0A12%2C5%25+yang+terkategorikan+antibakteri+lemah%2C+dengan+KHM+pada+konsentrasi%0D%0A6%2C25%25+dan+KBM+masing-masing+pada+konsentrasi+12%2C5%25+dan+6%2C25%25.+Sedangkan%2C%0D%0Apada+fraksi+etanol+kulit+batang+memiliki+aktivitas+antibakteri+pada+konsentrasi%0D%0A25%25+yang+terkategorikan+antibakteri+kuat%2C+dengan+KHM+pada+konsentrasi+6%2C25%25%0D%0Adan+KBM+pada+konsentrasi+12%2C5%25.+Pada+bakteri+Staphylococcus+aureus%2C+fraksi%0D%0Adaun+bakau+minyak+memiliki+aktivitas+antibakteri+pada+konsentrasi+25%25+yang%0D%0Aterkategorikan+antibakteri+sedang%2C+dengan+KHM+pada+konsentrasi+12%2C5%25+dan%0D%0AKBM+pada+konsentrasi+25%25.+Sedangkan+pada+fraksi+etanol+kulit+batang+bakau%0D%0Aminyak+memiliki+aktivitas+antibakteri+pada+konsentrasi+25%25+yang+terkategorikan%0D%0Aantibakteri+kuat%2C+dengan+KHM+pada+konsentrasi+6%2C25%25+dan+KBM+pada%0D%0Akonsentrasi+12%2C5%25.%0D%0AKesimpulan%3A+Fraksi+etanol+daun+dan+kulit+batang+Rhizophora+apiculata+terbukti%0D%0Amemiliki+kemampuan+bakteriostatik+dan+bakterisidal+terhadap+bakteri+penyebab%0D%0Ajerawat+Cutibacterium+acnes%2C+Staphylococcus+aureus%2C+dan+Staphylococcus%0D%0Aepidermidis.%0D%0AKata+Kunci%3A+Fraksi+etanol%2C+Rhizophora+apiculata%2C+bakteri+penyebab+jerawat.%0D%0A%0D%0ABackground%3A+The+resistance+of+acne-caused+bacteria+to+antibiotic+treatment+so%0D%0Athat+alternative+acne+treatment+using+ingredients+from+nature+is+needed.+One+plant%0D%0Athat+had+the+potential+to+be+developed+as+an+antibacterial+was+mangrove+oil%0D%0A(Rhizophora+apiculata).%0D%0AMethods%3A+Oil+mangrove+leaf+and+bark+samples+were+macerated+with+96%25+ethanol%0D%0Athen+fractionated+with+ethyl+acetate+and+n-hexane%2C+then+evaporated.+The+fraction%0D%0Awas+diluted+into+five+concentrations%2C+namely+1.56%25%2C+3.125%25%2C+6.25%25%2C+12.5%25%2C+and%0D%0A25%25.+The+positive+control+used+2%25+clindamycin+and+the+negative+control+used%0D%0Aaquades.+Antibacterial+activity+tested+by+the+well+diffusion+method+is+carried+out%0D%0Aby+measurement+of+the+inhibitory+zone.+Furthermore%2C+MIC+and+MBC+tests+were%0D%0Acarried+out.%0D%0AResults%3A+The+mangrove+leaf+fraction+of+oil+had+antibacterial+activity+against%0D%0ACutibacterium+acnes+and+Staphylococcus+epidermidis+bacteria%2C+namely+at+a%0D%0Aconcentration+of+12.5%25+which+categorized+as+weakly+antibacterial%2C+with+MIC+at+a%0D%0Aconcentration+of+6.25%25+and+MBC+at+concentrations+of+12.5%25+and+6.25%25%0D%0Arespectively.+Meanwhile%2C+the+stem+bark+ethanol+fraction+had+antibacterial+activity%0D%0Aat+a+concentration+of+25%25+which+was+categorized+as+strong+antibacterial%2C+with+MIC%0D%0Aat+a+concentration+of+6.25%25+and+MBC+at+a+concentration+of+12.5%25.+In%0D%0AStaphylococcus+aureus+bacteria%2C+mangrove+leaf+oil+fraction+had+antibacterial%0D%0Aactivity+at+a+concentration+of+25%25+which+was+categorized+as+medium+antibacterial%2C%0D%0Awith+MIC+at+a+concentration+of+12.5%25+and+MBC+at+a+concentration+of+25%25.+The%0D%0Aethanol+fraction+of+mangrove+bark+oil+had+antibacterial+activity+at+a+concentration%0D%0Aof+25%25+which+was+categorized+as+strong+antibacterial%2C+with+MIC+at+a+concentration%0D%0Aof+6.25%25+and+MBC+at+a+concentration+of+12.5%25.%0D%0AConclusions%3A+The+ethanol+fraction+of+the+leaves+and+bark+of+Rhizophora+apiculata%0D%0A%0D%0Ahas+been+shown+to+have+bacteriostatic+and+bactericidal+abilities+against+acne-%0D%0Acaused+bacteria+Cutibacterium+acnes%2C+Staphylococcus+aureus%2C+and+Staphylococcus%0D%0A%0D%0Aepidermidis.%0D%0AKeywords%3A+ethanol+fraction%2C+Rhizophora+apiculata%2C+bacteria+that+causes+acne.&rft.publisher=FAKULTAS+KEDOKTERAN&rft.date=2024-06-03&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=t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