南、北五味子提取物的抑菌及抗氧化作用研究

Study on Antibacterial and Antioxidant Effects of Schisandra chinensis and Schisandra sphenanthera Extracts

为了探讨南、北五味子提取物对常见致病菌抑制作用和体外抗氧化作用,为其开发利用提供理论依据。研究采用管碟法和试管二倍稀释法测定了五味子提取物的抑菌作用,通过对DPPH·,·OH,O_2^-·清除作用和还原能力的考察,研究了其抗氧化功能。结果表明:五味子提取物对金黄色葡萄球菌、大肠埃希菌、沙门氏菌、枯草芽孢杆菌、铜绿假单胞菌均具有抑菌作用,对DPPH·,·OH,O_2^-·均有一定的清除作用。因此,南、北五味子提取物具有抗菌和抗氧化活性,以北五味子的作用效果较好。

To study the antibacterial and antioxidant effects of Schisandra chinensis and Schisandra sphenanthera extracts in vitro, the antibacterial activity is tested by using cylinder-plate method and tube double dilution method. By determining the reduction capability, the scavenging of DPPH· , ·OH,O2-, the antioxidant activity of Schisandra chinensis and Schisandra sphenanthera extracts in vitro are evaluated. The results show that Schisandra chinensis and Schisandra sphenanthera extracts could inhibit Staphylococcus aureu, Escherichia coli, Salmonella, Pasteurella, Pseudomonas aeruginosa, and have certain scavenging effect on DPPH· ,· OH, O2- free radicals. Schisandra chinensis and Schisandra sphenanthera extracts have effective antibacterial and antioxidant effects, Schisandra chinensis is better than Schisandra sphenanthera.