Meirastuti, Dewi Putri (2012) UJI AKTIVITAS ANTIBAKTERI FRAKSI n-HEKSANA, ETER DAN AIR DARI EKSTRAK ETANOLIK DAUN JAMBU MEDE (Anacardium occidentale L.) TERHADAP BAKTERI Shigella dysentariae ATCC 9361 DENGAN METODE DIFUSI. Skripsi thesis, Universitas Setia Budi Surakarta.
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Abstract
Anacardium occidentale L. is a plant of Anacardiaceae that is found widely in the tropics and can be grown in all kinds of soil. The aim of the study was to find out the effectiveness of n-hexane, ether and water fractions of cashew leaves ethanol extract againts Shigella dysenteriae ATCC 9361. The extraction of the cashew leaves by maceration method used ethanol 96% solvent, followed by fractination with n-hexane, ether and water solvents. The antibacterial activity test was by diffusion method. The concentration used for measuring the diameter of inhibition zone against the growth of bacteria were 50%, 25%, and 12,5%. The chemical contents of the most active fraction were tested by TLC. According to the result of study, diffusion method of n-hexane fraction had inhibition zone diameter on average 16,7 mm at concentration of 50%, 15,3 mm at concentration of 25% and 14,3 mm at concentration of 12,5%. The ether fraction had inhibition zone diameter on average 21,7 mm at concentration of 50%, 20,3 mm at concentration of 25% and 19,0 mm at concentration of 12,5%. The water fraction had inhibition zone diameter on average15,3 mm at concentration of 50%, 14,3 mm at concentration of 25% and 13,3 mm at concentration of 12,5%. The chemical contents of the most effective ether fraction were tested by TLC. The result of identification showed that ether fraction positively contained poliphenol, flavonoid and alkaloid. Keywords : Cashew leaf, n-hexane fraction, ether fraction, water fraction, Shigella dysenteriae ATCC 9361.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | Cashew leaf, n-hexane fraction, ether fraction, water fraction, Shigella dysenteriae ATCC 9361. |
| Subjects: | R Medicine > RS Pharmacy and materia medica |
| Divisions: | Fakultas Farmasi > Prodi S1 Farmasi |
| Depositing User: | B Supri Yadi |
| Date Deposited: | 20 Feb 2020 04:38 |
| Last Modified: | 20 Feb 2020 04:38 |
| URI: | http://repo.setiabudi.ac.id/id/eprint/2824 |
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