ESSAY

Writer / NIM
SRI LINDAWATI SUAIB / 821312011
Study Program
D3 - FARMASI
Advisor 1 / NIDN
Dr. WIDYSUSANTI ABDULKADIR, S.Si, M.Si.Apt / 0017127106
Advisor 2 / NIDN
DEWI RAHMAWATY MOO, S.Farm, M.Sc., Apt / 0009038203
Abstract
ABSTRAK Sri Lindawati Suaib. 2015. Uji Aktivitas Antibakteri Ekstrak Daun Sambiloto (Andrographis paniculata) Terhadap Bakteri Staphylococcus aureus Dan Escherichia coli. Jurusan Farmasi. Fakultas Ilmu-Ilmu Kesehatan dan Keolahragaan. Universitas Negeri Gorontalo. Pembimbing I: Dr. Widysusanti Abdulkadir,M.,Si.,Apt Pembimbing II: Dewi Rahmawaty Moo S.Farm., M.sc., Apt. Daun sambiloto mengandung flavonoid, alkaloid, tannin, dan saponin. Senyawa-senyawa ini memiliki aktivitas sebagai antibakteri. Penelitian ini bertujuan untuk mengetahui Aktivitas Antibakteri dari Ekstrak Daun Sambiloto (Andrographis paniculata) Terhadap Bakteri Staphylococcus aureus dan Escherichia coli. Penelitian ini merupakan penelitian eksperimental dengan menggunakan metode difusi lempeng (difusi cakram). Metode tersebut dilakukan dengan mengukur zona bening disekitar kertas cakram dengan konsentrasi 5%, 10%, 15%, kontrol positif eritromisin dan kontrol negatif etanol. Hasil penelitian menunjukkan bahwa semua konsentrasi ekstrak memiliki aktivitas sebagai antibakteri terhadap bakteri Staphylococcus aureus dan Escherichia coli. Pada bakteri Staphylococcus aureus konsentrasi 15% menghasilkan zona hambat dengan diameter 12 mm dan masuk dalam kategori kuat, pada baketri Escherichia coli konsentrasi 15% menghasilkan zona hambat dengan diameter 10 mm termasuk dalam kategori kuat. Kata Kunci : Daun Sambiloto, Staphylococcus aureus, Escherichia coli Ant ibakteri, Aktivitas ABSRTACT Sri Lindawati Suaib. 2015. The Antibacterial Test of sambiloto Leaves Exract (Andrographis paniculata) on Staphylococcus aureus bacteria and Escherichia coli. Departement of Pharmacy, Faculty of Sports and Health, State University of Gorontalo. The Principal Supervisor was Dr. Widyasuanti Abdulkadir, S.Si., Apt and Co-supervisor was Dewi Rahmawaty Moo, S.Farm., M.Sc., Apt. Sambiloto leaves contain flavonoid, alkaloid, tannin, and saponin. These compounds have antibacterial activities. This research aims at finding out the antibacterial activities ofextract sambiloto leaves (Andrographis panicolata) on staphylococcus aureus and Escherichia coli. This research is an experimental research with disk diffusion method. This method measures the clear zone surrounding the disk paper using the concentrate of 5% 10% and 15% with erythromycin as positive control and ethanol as the negative control. This research reveals that all concentrate of the sambiloto leaves have antibacterial activities on staphylococcus aureus and Escherichia coli bacteria. In Staphylococcus bacteria the 15% concentrate produced the 12mm inhibitory zone and categorized as strong inhibitory meanwhile, in Escherichia coli, the 15% concentrate produced a diameter of 10 mm inhibitory zone and also categorized as strong inhibitory category. Keywords: Sambiloto Leaves, Staphylococcus aureus, Escherichia coli, Antibacterial, Activities.
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