ISOLASI SENYAWA TRITERPENOID DAN UJI ANTIBAKTERI EKSTRAK n-HEKSANA DAUN KAYU ARA (Ficus aurata (Miq.)Miq)

Restu, Bumali (2017) ISOLASI SENYAWA TRITERPENOID DAN UJI ANTIBAKTERI EKSTRAK n-HEKSANA DAUN KAYU ARA (Ficus aurata (Miq.)Miq). Diploma thesis, Universitas Andalas.

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Abstract

Triterpenoid isolation from n-hexane extract of kayu ara leaves (Ficus aurata (Miq.) Miq) has been performed. The Isolation has been done by column chromatography method using silica gel as stationary phase and n-hexane and ethyl acetate as mobile phase with Isocratic method and it is continued by trituration method. Isolated compound has white amorphus shape, decomposed at 86-870C and gives single spot with reddish brown violet in LB reagent and in H2SO4 reagent on TLC test. UV spectra indicate the presence of double bonds in the isolated compound at 204 nm λmax and IR spectra showed -OH functional group at 3290 cm-1, -CH stretching at 2912,90 cm-1, C=C at 1676 cm-1, C-O stretching at 1054,93 cm-1, and at 1374 cm-1 is spectra of geminal dimethyl compound that are characteristic of triterpenoids which supports ultraviolet spectroscopic data. Antibacterial activity test showed that isolated compound is active in inhibiting the growth of gram-positive bacteria Staphyloccocus aureus and gram-negative bacteria Escherichia coli.

Item Type: Thesis (Diploma)
Primary Supervisor: Dr. Adlis Santoni
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia
Depositing User: s1 kimia kimia
Date Deposited: 27 Apr 2017 08:44
Last Modified: 27 Apr 2017 08:45
URI: http://scholar.unand.ac.id/id/eprint/24486

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