Novita Lau, Aksamina (2013) UJI AKTIVITAS ANTIBAKTERI FRAKSI n-HEKSAN, ETIL ASETAT, DAN AIR DARI EKSTRAK ETANOL DAUN KAPUK RANDU (Ceiba pentandra Gaertn) TERHADAP BAKTERI Staphylococcus aureus ATCC 25923. Skripsi thesis, Universitas Setia Budi Surakarta.
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Abstract
Kapok (Ceiba pentandra Gaertn) leaves have chemical contents of saponin, flavonoid and tannin are thought to have antibacterial activity. The purpose of this study was to determine the activity of ethanolic extract, n-hexane, ethyl acetate and water fractions from kapok leaves (Ceiba pentandra Gaertn) as antibacterial against Staphylococcus aureus ATCC 25923. Kapok leaves extracted by maceration using 70% ethanol then fractionated using n-hexane, ethyl acetate and water solvents. Ethanolic extract, n-hexane, ethyl acetate and water fractions were tested the antibacterial activity using dilution method, with concentration of 50%, 25%, 12.5%, 6.25%, 3.12%, 1.56%, 0.78%, 0.39%, 0.20%. The result obtained that ethyl acetate fraction of kapok leaves had the most active antibacterial activity with the lower concentrations of 12,5%, and follows with ethanolic extract concentrations of 25%, n-hexane fraction at concentrations of 50 %, and water fraction of 50%. Keywords: Kapok leaves, Staphylococcus aureus, the fraction of ethyl acetate, nhexane fraction, and fraction of water, antibacterial.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | Kapok leaves, Staphylococcus aureus, the fraction of ethyl acetate, nhexane fraction, and fraction of water, antibacterial. |
| Subjects: | Q Science > QD Chemistry R Medicine > RS Pharmacy and materia medica |
| Divisions: | Fakultas Farmasi > Prodi S1 Farmasi |
| Depositing User: | magdalena kartika ningsih |
| Date Deposited: | 21 Feb 2020 03:35 |
| Last Modified: | 21 Feb 2020 03:35 |
| URI: | http://repo.setiabudi.ac.id/id/eprint/2811 |
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