2019
DOI: 10.35799/pha.8.2019.29320
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AKTIVITAS ANTIBAKTERI DAN ANALISIS KLT-BIOAUTOGRAFI DARI FRAKSI DAUN MENGKUDU (Morinda citrifolia L.)

Abstract: Noni is a nutritious plant because it has several ingredients that are important for health. Antibacterial components in noni leaves include glycosides, acubins, saponins and flavonoids. The purpose of this study was to determine the fraction of the extract of noni leaf ethanol whether it has an antibacterial effect and know the class of compounds indentifed as having antibacterial activity after TLC-Bioautografi testing was carried out. The samples were extracted using maceration method with 96% ethanol solve… Show more

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Cited by 5 publications
(6 citation statements)
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“…The cell wall breaks due to the difference in concentration inside and outside the cell. The concentration outside the cell is higher than the concentration inside the cell which is low enough that the cell wall breaks because it cannot withstand the pressure of the difference in concentration [14]. The sample was re-macerated by changing the solvent until the solvent was colorless which indicated that the maceration was completed as the maceration is more efficient to do repeatedly than just once [15].…”
Section: Extraction and Fractionationmentioning
confidence: 99%
See 1 more Smart Citation
“…The cell wall breaks due to the difference in concentration inside and outside the cell. The concentration outside the cell is higher than the concentration inside the cell which is low enough that the cell wall breaks because it cannot withstand the pressure of the difference in concentration [14]. The sample was re-macerated by changing the solvent until the solvent was colorless which indicated that the maceration was completed as the maceration is more efficient to do repeatedly than just once [15].…”
Section: Extraction and Fractionationmentioning
confidence: 99%
“…The ability of an antibacterial agent to eliminate the ability of living organisms depends the concentration of the material used [14]. Based on the results of the antibacterial activity test in Table 1, the diameter of the inhibition zone for the growth of S. epidermidis and P. aeruginosa bacteria formed at a concentration of 100% was greater than the concentrations of 40, 60%, and 80%.…”
Section: Antibacterial Analysismentioning
confidence: 99%
“…Larutan stok dengan konsentrasi 2,5 mg/disk dibuat dengan ditimbang masing-masing fraksi (fraksi nheksan dan fraksi dietil eter) sebanyak 0,5 gram kemudian dilarutkan dengan DMSO (Dimethyl Sulfoxide) hingga 2 mL. Larutan uji 2 mg/disk, 1,5 mg/disk, 1 mg/disk, dan 0,5 mg/disk dari masing-masing fraksi dibuat dengan cara diambil sebanyak 0,32 mL; 0,24 mL; 0,16 mL; dan 0,08 mL dan ditambahkan DMSO absolut hingga 0,4 mL (Aslah et. al., 2019).…”
Section: Pengujian Aktivitas Antibakteriunclassified
“…Kontrol negatif ini bertujuan untuk mengetahui bahwa pelarut tidak memiliki aktivitas antibakteri sehingga zona hambat yang dihasilkan bukan karena pelarutnya tetapi karena zat ujinya. Kontrol positif yang digunakan adalah kloramfenikol 30 μg/disk (Aslah et. al., 2019).…”
Section: Pengujian Aktivitas Antibakteriunclassified
“…Medium diinkubasi selama 24 jam pada suhu 37 o C setelah lempeng ditempelkan pada permukaan medium yang telah berisi inokulum bakteri selama 30 menit. Noda (senyawa) yang memiliki aktivitas antibakteri akan menghasilkan zona bening pada medium [17][18][19]. Identifikasi golongan senyawa antibakteri terhadap hasil uji KLT-bioautografi dilakukan dengan menggunakan pereaksi penampak bercak yaitu FeCl 3 1%, H 2 SO 4 10%, pereaksi anisaldehid-asam sulfat dan pereaksi Liebermann-Burchard [20,21].…”
Section: Klt-bioautografi Dan Identifikasi Senyawaunclassified