UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL, ETIL ASETAT DAN PETROLEUM ETER RAMBUT JAGUNG MANIS (Zea mays ssaccarata Strurt) TERHADAP BAKTERI Staphylococcus Aureus DAN Escherichia coli

Abstract

Sweet corn silk contains active compounds which act as an antibacterial. In this study, sweet corn silk extract was determined antibacterial activity in various solvents, Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC). Extraction of sweet corn silk was conducted by maceration method. Antibacterial activity was tested with the disc diffusion method, then followed by MIC and MBC tests at 250; 125; 62.5; 31.25 and 15.625 mg/mL using liquid dilution method and drop plate method. The result showed that its inhibition zone against bacteria E. coli and S. aureus was 19.3 and 13 mm for ethanol extract, 9.3 and 12.3 mm for ethyl acetate extract, while the petroleum ether extract is also inhibited E.coli with its inhibition zone 2.67 mm but has no antibacterial activity on S. aureus. Ethanol extract had the MIC to E. coli and S. aureus was 125 mg/mL, while MBC was 250 mg/mL.

PENETAPAN KADAR FLAVONOID TOTAL INFUSA RAMBUT JAGUNG MANIS (Zea mays Saccharata Sturt) MENGGUNAKAN SPEKTROFOTOMETRI UV-VIS SECARA KOLORIMETRI

“…Rambut jagung umumnya tidak digunakan oleh masyarakat atau dapat dikatakan dianggap sebagai limbah. Namun pada rambut jagung ini mengandung senyawa metabolit sekunder berupa flavonoid yang memiliki khasiat sebagai tanaman obat, salah satunya adalah antidiabetes (Rachmawaty, 2016).…”

Antibacterial Activity of Ethanol Extract, n-Hexane and Ethyl Acetate Fraction of Mundar (Garcinia forbesii) Pericarp

“…A blank paper disc is dipped into each extract and fraction according to the concentration, then affixed to the media that has been bacteria smeared, and incubated for 24 hours at 37 °C. The diameter of the clear zone formed was measured with a ruler and recorded (Rachmawaty, 2016). The formula can calculate the diameter of inhibition zone: .…”

“…A clear area on the petri dish indicates no bacterial growth. In contrast, an area that looks like streaks indicates bacterial growth, so at this concentration, it can only inhibit bacterial growth (Rachmawaty, 2016;Chikezie, 2017).…”

Uji Aktivitas Antibakteri Ekstrak Etanol Rambut Jagung (Zea mays L.) Terhadap Bakteri Streptococcus mutans dan Porphyromonas gingivalis

“…Selain itu kandungan flavonoid dan glikosida pada ekstrak rambut jagung dapat menghambat pertumbuhan bakteri Escherichia coli dan Candida albicans (Nessa et al, 2012). Penelitian yang dilakukan oleh Jannah et al,. (2018)…”