Mustafid, Afif Hidayatul and Maryani, Yeyen and Agustina, Sri and Situmeang, Boima POTENSI FRAKSI ETIL ASETAT KULIT BATANG KESAMBI SEBAGAI BAHAN ENKAPSULASI. Indonesian Journal of Pure and Applied Chemistry. ISSN http://issn.pdii.lipi.go.id/issn.cgi?daftar&1523690903&1&&2018 (In Press)

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Abstract

In our previous research, ethyl acetate extract of kesambi stem bark have the highest antibacterial activity agains Escherichia coli compared with n-hexane and methanol extract. In our present study we report antibacterial activity of fraction from ethyl acetate extract against Escherichia coli. The method of fractionation was used coloumn and thin lawyer chromatography. Antibacterial activity use Kirby Bauer methods. The characterization of active fractions used spectrometer infrared. The result showed fractions 6 and 7 have the highest antibacterial activity with inhibition zone 11.65 and 7.1 mm. The characterization of fractions 6 and 7 showed fungtional group C=O, OH, and C=C. The ethyl acetate fraction has potential as antibacterial encaptulation materials.

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