Bandaru Rahmatari (2015) Daya Antibakteri Zat Tanin Ekstrak Kulit Manggis Terhadap Bakteri Lactobacillus Casei. Skripsi thesis, UNIVERSITAS AIRLANGGA.
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Abstract
Deep dentinal caries can defect the vitality of dental pup. The microbial populations involved in dental caries are known to be highly complex and variable. Lactobacillus casei is one of the most common carious dentine bacteria. Tannin contained in mangosteen pericarp extract is known has an antibacterial potency. Purpose. The aim of this study is to determine Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBM) of tannin from mangosteen pericarp extract against Lactobacillus casei. Method. This research is laboratory experimental with post test only control group design. Tannin from mangosteen was extracted by ethanol 96%. Lactobacillus casei was diluted into several concentration using serial dilution method in Brain Heart Infusion Broth (BHIB) medium and inserted in several reaction tube. Every reaction tube then incubated for 24 hours. After being incubated, each concentration was taken and swabbed into Mueller Hinton Agar medium in petridish. Then, every petridish was incubated for 24 hours and colonies growth was counted manually in Colony Forming Unit (CFU). Result. Bacterial colonies growth at concentration 1,56% is 90% less than positive control group and there are no bacterial colonies growth at concentration 3,12%. Conclusion. Tannin from mangosteen pericarp extract has an antibacterial effect against Lactobacillus casei. The MIC of tannin from mangosteen pericarp extract against Lactobacillus casei was at 1,56% and MBC was at 3,12%.
| Item Type: | Thesis (Skripsi) | |||||||||
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| Additional Information: | KKA KK KG. 04/15 Rah d | |||||||||
| Uncontrolled Keywords: | Antibacterial Potency, Tannin, Mangosteen Pericarp Extract, Lactobacillus Casei | |||||||||
| Subjects: | R Medicine > RK Dentistry > RK1-715 Dentistry | |||||||||
| Divisions: | 02. Fakultas Kedokteran Gigi | |||||||||
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| Depositing User: | Ani Sistarina | |||||||||
| Date Deposited: | 04 Feb 2015 12:00 | |||||||||
| Last Modified: | 24 Mar 2020 02:46 | |||||||||
| URI: | http://repository.unair.ac.id/id/eprint/19791 | |||||||||
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