茶多酚抗牙菌斑作用机理的体外研究

被引:8
作者
卢林
刘天佳
郭丽娟
机构
[1] 华西医科大学口腔医学院!成都市,,华西医科大学口腔医学院!成都市,,华西医科大学口腔医学院!成都市,
关键词
茶多酚; 葡糖基转移酶; 菌斑控制;
D O I
10.13701/j.cnki.kqyxyj.1998.03.005
中图分类号
R780.1 [口腔疾病的预防与卫生];
学科分类号
摘要
目的研究茶多酚对牙菌斑的影响。方法茶多酚用乙醇,乙酸乙酯从绿茶中提取,并用FeCl3及薄层层析法鉴定,S.sobrinus6715(g)的游离型和结合型GTF分别经硫酸铵和尿素处理获得,Somogyi法测GTF酶活性,染色法测蛋白质含量,葱酮法测葡聚糖含量。通过红外光谱鉴定葡聚糖。结果茶多酚能抑制变链球茵的生长、GTF酶活性及酶产生的胞外多糖。结论茶多酚能有效控制菌斑。
引用
收藏
页码:140 / 143
页数:4
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