Ririn, Rohayati (2018) UJI AKTIVITAS ANTIBAKTERI MINYAK ATSIRI DAN EKSTRAK LIMBAH SISA DESTILASI RIMPANG KUNIR PUTIH (Kaempferia rotunda L.) TERHADAP PERTUMBUHAN Lactobacillus acidophilus. Skripsi thesis, Universitas Wahid Hasyim Semarang.
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Abstract
Dental caries is caused by plaque and one type of pathogenic bacteria which isolated from dental plaque is Lactobacillus acidophilus. The white turmeric rhizome contain essential oil which is potential as an antibacterial and also the distillation waste extract. This study aims were to observe the activity of white turmeric rhizome’s essential oil and its distillation waste extract on the growth of Lactobacillus acidophilus. Separation of white turmeric rhizome essential oil was done by steam and water distillation method, while its distillation waste was extracted using 96% ethanol by soxhlet method. Concentration series of the essential oil was 7.5; 8.0; 8.5 and 9.0% v/v, while concentration distillation waste extract was 0.5; 2.5; 5.0; 10 dan 20 mg/disc. Each material was tested against Lactobacillus acidophilus by agar diffusion method and the antibacteria activity was determine as zone of inhibition. The zone of inhibition was analyzed statistically by Kruskal-Wallis test and followed by Mann-Whitney test on 95% confidence level. Results showed that white turmeric rhizome essential oil has antibacterial activity on Lactobacillus acidophilus but its distillation waste extract doesn’t showed antibacterial effect. Statistic result showed that zone of inhibition of the essential oil is not significantly different among all concentration tested.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Subjects: | R Medicine > RS Pharmacy and materia medica |
| Divisions: | Fakultas Farmasi > Program Studi Farmasi |
| Depositing User: | eprints perpustakaan unwahas |
| Date Deposited: | 10 Aug 2018 03:34 |
| Last Modified: | 10 Aug 2018 03:34 |
| URI: | http://eprints.unwahas.ac.id/id/eprint/1019 |
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