UJI ANTIBAKTERI FRAKSI ETIL ASETAT EKSTRAK ETANOL 96% BUAH BELIMBING WULUH (Averrhoa bilimbi L.) TERHADAP Klebsiella pneumoniae

Alvi, Diah Hapsari (2020) UJI ANTIBAKTERI FRAKSI ETIL ASETAT EKSTRAK ETANOL 96% BUAH BELIMBING WULUH (Averrhoa bilimbi L.) TERHADAP Klebsiella pneumoniae. Diploma thesis, Sekolah Tinggi Ilmu Kesehatan Nasional.

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Abstract

Averrhoa bilimbi fruit (Averrhoa bilimbi L.) is one of the plants that have been used as traditional medicine. Averrhoa bilimbi fruit (Averrhoa bilimbi L.) has antibacterial effects namely alkaloids, flavonoids and tannins. This study aims to determine the ability of the ethyl acetate fraction Averrhoa bilimbi fruit 96% ethanol extract to inhibit Klebsiella pneumoniae growth and to determine the concentration that produces the biggest inhibitory zone on Klebsiella pneumoniae growth. The method used is disc diffusion (Kirby & Bauer) with a 50%, 75% and 100% concentration series. The inhibition zone results obtained were analyzed descriptively experimental. Inhibitory zone results shown from each extract at a concentration of 50%, 75% and 100% of the ethyl acetate fraction Averrhoa bilimbi fruit 96% ethanol extract were 19.10 mm, 21.53 mm and 22.23 mm. The ethyl acetate fraction Averrhoa bilimbi fruit 96% ethanol extract is able to inhibit Klebsiella pneumoniae bacteria and 100% concentration can produce the largest inhibitory zone diameter against the growth of Klebsiella pneumoniae bacteria by producing inhibition zone diameter of 22.23 mm.

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