UJI ANTIBAKTERI EKSTRAK ETANOL 96% BUAH ANGGUR MERAH (Vitisvinifera L) PADA BAKTERI Klebsiellapneumoniae

Anggun, Mawarni (2021) UJI ANTIBAKTERI EKSTRAK ETANOL 96% BUAH ANGGUR MERAH (Vitisvinifera L) PADA BAKTERI Klebsiellapneumoniae. Diploma thesis, Sekolah Tinggi Ilmu Kesehatan Nasional.

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Abstract

Red grapes (Vitis vinifera L) is a plant that is easily found in various places. Red grapes (Vitis vinifera L) contain flavonoid compounds that function as antibacterials. The purpose of this study was to determine the antibacterial activity of the ethanol extract of 96% red grapes (Vitis vinifera L). This antibacterial test used Klebsiella pneumoniae bacteria and used ciprofloxacin positive control and DMSO negative control with a concentration series of 12.5%, 25%, 50%, 100%. The results of this antibacterial test produced two zones, the radical and irradiance zones. The radical zone is obtained from a concentration of 50% with an inhibition of 8.75 mm and a concentration of 100% with an inhibition of 11 mm. Iradical zone obtained from a concentration of 12.5% with an inhibition of 1.25 mm. concentration of 25% with 2 mm of inhibition. concentration of 50% with an inhibition of 3.25 mm. concentration of 100% with an inhibition of 3.75 mm.

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