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Biotransformation is often used to improve chemical activity.
We evaluated the antimicrobial activity of rhapontigenin,
converted from rhapontin after treatment with Pectinex.
Rhapontigenin showed 4?16 times higher antimicrobial
activity than rhapontin. The activity was higher against
Gram-positive strains than Gram-negative strains. Minimum
inhibitory concentrations (MICs) of rhapontigenin, retinol,
and five antibiotics were determined by the microbroth
dilution method for antibiotic-sensitive and -resistant
Propionibacterium acnes. We also investigated the in vitro
antibacterial activity of rhapontigenin in combination
with antibiotic against antibiotic-resistant P. acnes. The
antibiotic combination effect against resistant P. acnes
was studied by the checkerboard method. The combination
formulations (rhapontigenin and clindamycin, retinol and
clindamycin) showed synergistic effects on the inhibition of
the growth of clindamycin-resistant P. acnes. It is predictable
that the combination of antibiotics with rhapontigenin
is helpful to treat acne caused by antibiotic-resistant
P. acnes. The antibacterial activity of rhapontigenin was
enhanced by biotransformation.| 번호 | 참고문헌 | 국회도서관 소장유무 |
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| 1 | Metabolites of the "smoke tree", Dalea spinosa, potentiate antibiotic activity against multidrug-resistant Staphylococcus aureus. ![]() |
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| 2 | Hyphal Growth Promotion In vitro of the VA Mycorrhizal Fungus, Gigaspora margarita Becker and Hall, by the Activity of Structurally Specific Flavonoid Compounds Under CO2-Enriched Conditions ![]() |
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| 3 | Chivot, M. 2005. Retinoid therapy for acne. Am. J. Clin. Dermatol. 6: 13-19. | 미소장 |
| 4 | Prevalence of antibiotic‐resistant propionibacteria on the skin of acne patients: 10‐year surveillance data and snapshot distribution study ![]() |
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| 5 | Antimicrobial Activity of Non-Halogenated Phenolic Compounds ![]() |
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| 6 | Activity and mechanism of the action of zeylasterone against Bacillus subtilis. ![]() |
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| 7 | Bioprotective properties of seaweeds: in vitro evaluation of antioxidant activity and antimicrobial activity against food borne bacteria in relation to polyphenolic content. ![]() |
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| 8 | Estevinho, L., A. P. Pereira, L. Moreira, L. G. Dias, and E. Pereira. 2008. Antioxidant and antimicrobial effects of phenolic compounds extracts of Northeast Portugal honey. Food Chem. Toxicol. 46: 3774-3779. | 미소장 |
| 9 | Biotechnology in Turkey: an overview. ![]() |
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| 10 | Inhibitors from Rhubarb on Lipopolysaccharide-Induced Nitric Oxide Production in Macrophages: Structural Requirements of Stilbenes for the Activity ![]() |
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| 11 | Metabolism of rhaponticin and chrysophanol 8-o-beta-D-glucopyranoside from the rhizome of rheum undulatum by human intestinal bacteria and their anti-allergic actions. ![]() |
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| 12 | Antibacterial activity of akyl gallates against Bacillus subtilis. ![]() |
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| 13 | Enzymes involved in the bioconversion of ester‐based prodrugs ![]() |
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| 14 | Biotransformation of common bean (Phaseolus vulgaris L.) flavonoid glycosides by bifidobacterium species from human intestinal origin. ![]() |
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| 15 | Antioxidant constituents from rhubarb: structural requirements of stilbenes for the activity and structures of two new anthraquinone glucosides. ![]() |
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| 16 | Mori, A., C. Nishino, N. Enoki, and S. Tawata. 1987. Antibacterial activity and mode of action of plant flavonoids against Proteus vulgaris and Staphylococcus aureus. Phytochemistry 26: 2231- 2234. | 미소장 |
| 17 | National Committee for Clinical Laboratory Standards. 1997. Methods for antimicrobial susceptibility testing of anaerobic bacteria: Tentative Standard M11-A4. National Committee for Clinical Laboratory Standards, Villanova. | 미소장 |
| 18 | Bioavailability is improved by enzymatic modification of the citrus flavonoid hesperidin in humans: a randomized, double-blind, crossover trial. ![]() |
미소장 |
| 19 | European surveillance study on the antibiotic susceptibility of Propionibacterium acnes ![]() |
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| 20 | A comparison of changes in the transformation of isoflavones in soymilk using varying concentrations of exogenous and probiotic‐derived endogenous β‐glucosidases ![]() |
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| 21 | Antithrombotic and Antiallergic Activities of Rhaponticin from Rhei Rhizoma Are Activated by Human Intestinal Bacteria | 소장 |
| 22 | The antibacterial activity of topical retinoids: the case of retinaldehyde. ![]() |
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| 23 | Table olives from Portugal: phenolic compounds, antioxidant potential, and antimicrobial activity. ![]() |
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| 24 | Pillai, S. K., R. C. Moellering, and G. M. Eliopoulos. 2005. Antimicrobial combinations, pp. 365-440. In V. Lorian (ed.). Antibiotics in Laboratory Medicine. Lippincott Williams & Wilkins, PA, U.S.A. | 미소장 |
| 25 | Bioactive berry compounds-novel tools against human pathogens. ![]() |
미소장 |
| 26 | Enzyme-assisted processing increases antimicrobial and antioxidant activity of bilberry. ![]() |
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| 27 | Racchach, M. 1984. The antimicrobial activity of phenolic antioxidants in foods: A review. J. Food Safety 6: 141-170. | 미소장 |
| 28 | Rauha, J. P., S. Remes, M. Heinonen, A. Hopia, M. Kahkonen, T. Kujala, K. Pihlaja, H. Vuorela, and P. Vuorela. 2000. Antimicrobial effects of Finnish plant extracts containing flavonoids and other phenolic compounds. Int. J. Food Microbiol. 56: 3-12. | 미소장 |
| 29 | Roupe, K. A., G. L. Helms, S. C. Halls, J. A. Yáñez, and N. M. Davies. 2005. Preparative enzymatic synthesis and HPLC analysis of rhapontigenin: Applications to metabolism, pharmacokinetics and anti-cancer studies. J. Pharm. Pharm. Sci. 8: 374-386. | 미소장 |
| 30 | Antimicrobial activity of tibezonium (TBZ). ![]() |
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| 31 | Comparative study on the antibacterial activity of phytochemical flavanones against methicillin-resistant Staphylococcus aureus ![]() |
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| 32 | Induction of proinflammatory cytokines by a soluble factor of Propionibacterium acnes: implications for chronic inflammatory acne. ![]() |
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| 33 | Rhapontigenin from Rheum undulatum Protects Against Oxidative-Stress-Induced Cell Damage Through Antioxidant Activity ![]() |
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