UJI EFEKTIVITAS ANTIBAKTERI EKSTRAK ETANOLIK BAWANG MERAH (Allium cepa L.) TERHADAP BAKTERI Staphylococcus aureus DALAM MEDIA MUELLER HINTON AGAR (MHA)

Abstract

Infection is the invasion and propagation of microorganisms in body tissues, clinically does not appear or arise local cellular injury due to competition for metabolism, toxins, intracellular replication, or antigen-antibody response. One of the bacteria that can cause infection is Staphylococcus aureus. Shallots (Allium cepa L) is one of the plants that has an antibacterial effect. This study aims to determine the antibacterial effectiveness of the onion ethanolic extract against Staphylococcus aureus in Mueller Hinton Agar (MHA) media. The shallot extraction method used is maceration using 96% ethanol solvent. Antibacterial effectiveness test of onion ethanolic extract using a well diffusion method at a concentration of 60%, 70%, and 80%. The results of the calculation of the antibacterial effectiveness of ethanolic extract of shallots concentration of 60%, 70% and 80% were 39.11%; 41.91% and 45.82%, so it is classified as less effective because the antibacterial effectiveness is less than 50%.