Aktivitas Antibakteri Ekstrak Umbi Gadung (Dioscorea hispida Dennst) Terhadap Staphylococcus aureus

Nursyam, Medlin (2019) Aktivitas Antibakteri Ekstrak Umbi Gadung (Dioscorea hispida Dennst) Terhadap Staphylococcus aureus. S1 thesis, Universitas Kristen Indonesia.

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Abstract

Staphylococcus aureus merupakan bakteri patogen pada manusia, infeksi dari S.aureus tampak sebagai jerawat, luka bernanah, infeksi folikel rambut atau abses. Umbi gadung merupakan umbi yang mengandung komponen bioaktif seperti alkaloid, flavonoid, yang bermanfaat sebagai antibiotik, anti jamur, dan anti inflamasi. Penelitian ini menggunakan desain penelitian studi eksperimental secara in vitro dengan metode difusi menggunakan media Mueller Hinton Agar (MHA) dan mengukur zona hambat yang terbentuk dalam satuan millimeter. Konsentrasi umbi gadung yang digunakan adalah 5%, 10%, 20% serta kontrol positif menggunakan disk antibiotik kloramfenikol. Hasil uji menunjukkan adanya zona hambat terhadap pertumbuhan bakteri Staphylococcus aureus. / Staphylococcus aureus is a pathogenic bacterium in humans, infection from S. aureus appears as acne, festering sores, infection of hair follicles or abscesses. Gadung tubers are tubers that contain bioactive components such as alkaloids, flavonoids, which are useful as antibiotics, antifungal, and anti-inflammatory. This study used an experimental study design in vitro with the diffusion method using MHA media and measured inhibition zones formed in millimeters. The concentration of gadung tubers used was 5%, 10%, 20% and positive control using the chloramphenicol antibiotic disk. The test results showed an inhibitory zone on the growth of Staphylococcus

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