Abstrak

Baca Juga : UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL KULIT BUAH RAMBUTAN ACEH (NEPHELIUM LAPPACEUM L.) TERHADAP BAKTERI STAPHYLOCOCCUS AUREUS DAN ESCHERICHIA COLI (Nur Irhamni Sabrina, 2018) ,

Baca Juga : UJI AKTIVITAS ANTIBAKTERI EKSTRAK AIR DAUN KEMBANG BULAN (TITHONIA DIVERSIFOLIA HEMSL. A. GRAY ) TERHADAP PERTUMBUHAN METHICILLIN RESISTANT STAPHYLOCOCCUS AUREUS (MRSA) (Zahratul Safarah, 2019) ,

tif menggunakan amoxicillin dengan tiga kali pengulangan. metode yang digunakan adalah metode disc diffusion atau kirby-bauer. hasil penelitian menunjukkan bahwa ekstrak etanol daun siamih dapat menghambat pertumbuhan bakteri staphylococcus aureus pada konsentrasi 20% (0,7 mm), 40% (1,4 mm), 60% (2,2 mm), dan 80 % (3,0 mm). dengan demikian dapat disimpulkan bahwa ekstrak etanol daun siamih memiliki daya hambat terhadap bakteri staphylococcus aureus dengan kategori lemah. antibacterial activity of ethanol extract of siamih leaf (ageratum conyzoides) on staphylococcus aureus bacteria abstract the aim of this research is to know the effect of siamih leaf ethanol extract (ageratum conyzoides) on the growth of staphylococcus aureus bacteria. the bacteria which is used are obtained from the microbiology laboratory of the faculty of veterinary medicine of syiah kuala university on isolate bacteria of the honey bear wound (helarctos malayanus). bacterial identification is done by culturing the isolate on lateral na media then it is planted on msa media and staining gram, catalase test and hemolysis test. the extraction is done by maceration with 96% ethanol solvent. extract of siamih leaf is done by phytochemical test. the results of pythritic test of siamih leaf show that siamih leaf contains alkaloid compounds, steroids, terpenoids, flavonoids and tannins. the extract concentration which is used is 20%, 40%, 60% and 80%. nergative control by using aquades and positive controls using amoxicillin with three repetitions. the method used is disc diffusion or kirby-bauer method. the results show that siamih leaf ethanol extract inhibit the growth of staphylococcus aureus bacteria at concentrations of 20% (0,7 mm), 40% (1,4 mm), 60% (2,2 mm), and 80 % (3,0 mm). thus it can be concluded that the extract of siamih leaf ethanol has inhibitory power to staphylococcus aureus bacteria with low

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