摘要
利用纸片扩散法研究了3种钒取代的硅钨酸盐α-1,2,3-K6H[SiW9V3O40],α-1,2-K6[SiW10V2O40]和α-K5[SiW11VO40](以下分别简写为α-SiW9V3,α-SiW10V2,α-SiW11V)及硅钨酸(H4SiW12O40.xH2O,简写为SiW12)对大肠杆菌、枯草芽孢杆菌、酵母菌、黑曲霉和青霉的抑菌活性.结果表明,4种物质对大肠杆菌、枯草芽孢杆菌、酵母菌和黑曲霉有不同程度的抑菌效果,但对青霉的抑菌效果较差.
Polyoxometalates α-1,2,3-K6H[SiW9V3O40],α-1,2-K6[SiW10V2O40] and α-K5[SiW11VO40] and H4SiW12O40·xH2O（abbreviated as α-SiW9V3,α-SiW10V2,α-SiW11V,SiW12,respectively） were synthesized and characterized by UV-Vis and FTIR spectra.The antibacterial activities of the four polyoxometalates against common bacteria（Escherichia coli,Bacillus subtilis,yeast,Aspergillus niger and Penicillium） were studied by disk diffusion method.The results indicated that the four compounds showed different antibacterial activities on Escherichia coli,Bacillus subtilis,yeast,Aspergillus niger,and the antibacterial activity of Penicillium was relatively low.This study should give theoretical support for the usage of polyoxometalate as a fruit and vegetable preservative agent.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
2011年第5期1033-1036,共4页
Chemical Journal of Chinese Universities
基金
国家自然科学基金(批准号:20871054)资助
关键词
多金属氧酸盐
抑菌活性
纸片扩散法
Polyoxometalate
Antibacterial activity
Disk diffusion method
