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http://dx.doi.org/10.15230/SCSK.2011.37.4.347

Biomaterials Inhibiting Biofilm Formation of Staphylococcus aureus  

Shin, Kye-Ho (Amorepacific Co. R&D Cente)
Yun, Yu-Na (Amorepacific Co. R&D Cente)
Jeon, Gi-Boong (Amorepacific Co. R&D Cente)
Lee, Tae-Ryong (Amorepacific Co. R&D Cente)
Yi, Sung-Won (Amorepacific Co. R&D Cente)
Cho, Jun-Cheol (Amorepacific Co. R&D Cente)
Park, Ji-Yong (Department of Biotechnology, Graduate Program in Biomaterials Science & Engineering, Yonsei University)
Publication Information
Journal of the Society of Cosmetic Scientists of Korea / v.37, no.4, 2011 , pp. 347-350 More about this Journal
Abstract
Biofilms are surface-attached microbial communities with phenotypic and biochemical properties distinct from free-living planktonic cells. Biofilm bacteria show much greater resistance than planktonic counterparts and much higher concentration of biocide is needed to treat biofilms compared to the dosage used for planktonic bacteria. As a result, alternative strategies or more effective agents exhibiting activity against biofilm-producing micro-organisms are of great interest. Therefore, we turned our attention to control of biofilm of S. aureus. The aims of this research are to investigate substances which inhibit the formation of biofilm by S. aureus and to suggest effective materials for controlling skin problems. We coated slide glasses with human placental collagen and the coverslip was incubated with test materials and bacteria. The coverslip was stained with crystal violet and we measured optical density of each sample. The biofilm inhibitory activity was calculated by crystal violet staining degrees. In this study, S. aureus ATCC 6538 was used as test organism. Our results show that both water soluble and insoluble Hinoki cypress polysaccharide strongly inhibited biofilm formation. Whereas, green tea and sunset hibiscus root extract promoted biofilm. Xylitol showed a concentration dependent effect; high concentration (3 % and 5 %) of xylitol reduced biofilm while promoted biofilm formation at a concentration of 1 %. These results support that Hinoki cypress polysaccharide and xylitol have ability to suppress biofilm formation.
Keywords
Staphylococcus aureus; biofilm; biomaterials; Hinoki cypress; xylitol;
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