Phân lập Streptococcus mutans gây sâu răng và khảo sát sự ức chế vi khuẩn này bởi một số dược liệu dân gian=Isolation of Streptococcus mutans causing cavities and study of the inhibition of this bacteria by some common medicinal plants

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Tác giả: Dương Vương Lê, Hồng Lạt Lưu, Thị Phượng Trang Phan

Ngôn ngữ: vie

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Thông tin xuất bản: Tạp chí Phát triển Khoa học & Công nghệ: Chuyên san Khoa học Tự nhiên, 2018

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The aim of this study is the se-lection of some folk medications which can inhibit the Streptococcus mutans causing cavities. The authors isolated 139 strains f-rom 153 dentin caries collected at the National Hospital of Odonto- Stomatology in HCM City. Based on the c-haracteristic colonies on the MSB se-lective medium (Mitis Salivarius Agar supplemented with sucrose and bacitracin), resulting of stained Gram and biochemical assay, there are 66 strains of S. mutans. Examination of antimicrobial resistance levels of 66 isolates and S. mutans ATCC 25175 (control) isolates and tested seven common plants in folk such as Eichchornia crassipesPolygonum aviculareSauporus androgynusPhyllanthus urinariaPogostemon cablinAreca catechu and Camellia sinensis proable antimicrobial. The results showed that Polygonum aviculare had the highest antibacterial activity against S. mutans and its chloroform extract show the strongest effect.

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