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All Journal Jurnal Pendidikan dan Pembelajaran JOURNAL OF HEALTHCARE TECHNOLOGY AND MEDICINE Jurnal Sains Teh dan Kina Jurnal Bidan Komunitas SRIWIJAYA JOURNAL OF MEDICINE MEJ (Mathematics Education Journal) Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika Majalah Ilmiah Warta Dharmawangsa Jurnal Civic Hukum JIIP (Jurnal Ilmiah Ilmu Pendidikan) Jurnal Kebidanan Muhammadiyah GEULIMA
Siti Hajar
Program Studi Teknik Informatika Universitas Ahmad Dahlan Prof. Dr. Soepomo, S.H., Janturan, Umbulharjo, Yogyakarta 55164
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Education Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Physics Public Health Social Sciences Other

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Journal : Jurnal Sains Teh dan Kina

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Antibacterial activity of white tea extract against gram positive and negative bacteria Widyasanti, Asri; Hajar, Siti; Rohdiana, Dadan
Jurnal Penelitian Teh dan Kina Vol 18, No 1 (2015)
Publisher : Research Institute for Tea and Cinchona

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (166.785 KB) | DOI: 10.22302/pptk.jur.jptk.v18i1.66

Abstract

This research was carried out to deter­mine antibacterial activity of white tea extract against gram positive and gram negative bacteria based on its MIC (minimum inhibitory concentration). Ethanol solution 96% were used to extract of white tea with a ratio of 1:9 (w/v) by using maceration method. Paper disc diffusion method was used to determination of the MIC. The concentrations were used of 2%, 4%, 6%, 8%, 10%, and 12% (w/v). The results of this research showed that MIC of white tea extract of 4%, 6%, 6% and 10% (w/v) against Pseudomonas aeruginosa ATCC 9027, Staphy­lococcus aureus ATCC 29213, Staphylococcus epidermidis ATCC 12228, and Escherichia coli ATCC 25922, respectively. The inhibition zone for 4 bacteria were 10.83 mm, 10.08 mm, 10.16 mm and 12.08 mm respectively. This result of research concluded that white tea extract have antibacterial activity against both gram positive and gram negative bacteria
Co-Authors A.A. Ketut Agung Cahyawan W Aryani, Roza Asri Widyasanti Dadan Rohdiana Ginting, Dhio Emerko Ginting, Dhio Emerko Hafidzi, Anwar Hamzah, Hasyrul Irma, Fani Ade Irma, Fani Ade Iwan Supardi Kholik, Kholilul pratiwi, Debby Putri, Erlisa Maharani Rahmah, Widya Ressandy, Sylvan Septian Rumini - Sri Rezeki Arbaningsih Sri Wahyuni Tinus, Agus Zainal Arifin