2019
DOI: 10.35799/pha.8.2019.29325
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AKTIVITAS ANTIBAKTERI DAN ANALISIS KLT-BIOAUTOGRAFI DARI FRAKSI BIJI KOPI ROBUSTA (Coffea canephora Pierre ex A. Froehner)

Abstract: Coffee is a plant that contains compounds such as flavonoids, which have antibacterial activity. The purpose of this study was to determine the fraction of the ethanol extract of robusta coffee beans whether it has an antibacterial effect and know the class of compounds identified after TLC-Bioautography. The extraction method used was maceration with 96% ethanol and fractionation using liquid-liquid method with methanol, n-hexane, and ethyl acetate. Antibacterial testing using the agar diffudion method with c… Show more

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Cited by 7 publications
(13 citation statements)
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“…Pada identifikasi steroid, digunakan noda pereaksi Liebermann-Buchard dengan pemanasan pada suhu 105 o C selama 5 menit. Kemudian, reaksi positif ditandai dengan adanya noda berwarna merah hijau biru 14 .…”
Section: Uji Senyawa Steroidunclassified
See 1 more Smart Citation
“…Pada identifikasi steroid, digunakan noda pereaksi Liebermann-Buchard dengan pemanasan pada suhu 105 o C selama 5 menit. Kemudian, reaksi positif ditandai dengan adanya noda berwarna merah hijau biru 14 .…”
Section: Uji Senyawa Steroidunclassified
“…Pada identifikasi antrakuinon, dengan menggunakan noda pereaksi KOH sebanyak 10%. Ditandai dengan terbentuknya warna noda kuning, kuning cokelat, merah, ungu, hijau dan lembayung sebagai reaksi positifnya 14 .…”
Section: Uji Senyawa Antrakuinonunclassified
“…Antibacterial compounds will diffuse into solid media inoculated by bacteria and inhibit bacterial growth which is indicated by the formation of a clear area around the hole [11]. This method was chosen because it was simple, easy to work with, accurate, does not require special equipment, was versatile for all fast-growing pathogenic bacteria, and was often used in antibiotic susceptibility testing in quality control programs.…”
Section: Antibacterial Analysismentioning
confidence: 99%
“…The bioautography method can be used as a detection method to find an antimicrobial compound that has not been identified by localizing the antimicrobial activity on a chromatogram resulting from thin-layer chromatography (TLC). The basis of this method is the agar diffusion technique, and the antibacterial compounds transfer from the TLC plate to the agar medium which already contains bacteria [11]. So far, the method for detecting antibacterial from morel berry plants uses the agar diffusion method.…”
Section: Introductionmentioning
confidence: 99%
“…Kromatogram hasil pemisahan senyawa diletakan diatas media agar yang sudah di padatkan dan ditanami bakteri, diamkan 30 menit lempeng diangkat dan dipindahkan. Selanjutnya diinkubasi selama 1 x 24 jam pada suhu 37 0 C, amati zona hambat yang terbentuk dan diukur (Paputungan et al, 2019).…”
Section: Uji Klt-bioautografi Ektrak Daun Trembesiunclassified