Antioxidative activity of Pinus Yunnansis Franch extracts have been tested by spectrophotometric method and ESR,and using it to reduce free radical in cigarette smoke.

• 利用分光光度法和ESR法检测了云南松树皮提取物的抗氧化性能,并将其应用于降低香烟烟气自由基的研究。