(2013) Antibacterial activity of extracts of Halgho and Rashe grape cultivars against Helicobacter pylori. Journal of Pure and Applied Microbiology.
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Abstract
One of the main causes of failure in treatment of Helicobacter pylori (H. pylori) infection is its antibiotic resistance. Grape cultivars contain different useful components including phenolic compounds with antimicrobial effects. In the present study, the effects of two grape varieties; Halgho red grape and Marivan black grape (Rashe), have been evaluated against the clinical isolates of H. pylori. The effect of the seed, skin, and seed + skin extracts of the two varieties against H. pylori was evaluated using the disc diffusion and agar dilution methods. The stability of the antibacterial effects of the extracts under different temperature and pH values, and in the presence of Trypsin enzyme was investigated. The highest inhibitory zone diameter was observed for the seed extracts of Halgho and Rashe as 15 and 14.5 mm, respectively. The lowest Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC) were observed for the seed extracts of Halgho and Rashe (2048 μg/ml). Moreover, the antibacterial effects of the extracts of both varieties were preserved under the above-mentioned physicochemical conditions. Grape seed and skin extracts of the varieties studied have antibacterial effects against H. pylori. The effect was preserved under different physicochemical conditions.
Item Type: | Article |
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Keywords: | amoxicillin; antiinfective agent; gentamicin; grape seed extract; Halgho extract; plant extract; Rashe extract; tetracycline; trypsin; unclassified drug, agar dilution; antibacterial activity; article; bacterium isolate; controlled study; cultivar; disk diffusion; drug effect; drug stability; drug synthesis; grape; Halgho; Helicobacter pylori; minimum bactericidal concentration; minimum inhibitory concentration; nonhuman; pH; plant seed; Rashe; temperature |
Page Range: | pp. 1895-1901 |
Journal or Publication Title: | Journal of Pure and Applied Microbiology |
Volume: | 7 |
Number: | 3 |
ISSN: | 09737510 |
Depositing User: | مهندس جمال محمودپور |
URI: | http://eprints.muk.ac.ir/id/eprint/1280 |
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