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抗氧化能力的检测Thefree-radicalscavengingactivity(DPPH)assayexaminestheprimaryantioxidantpotential,whilethesuperoxideanion(SOA)scavengingactivityandhydroxylradical(•OH)scavengingactivityassaysexaminethesecondaryantioxidantpotential.Thereducingpowerassay,ontheotherhand,examinesbothprimaryandsecondaryantioxidantcapacity.1.Totalphenoliccontent总酚含量:Foline-Ciocalteumethod福林法测烟叶多酚（多酚具有抗氧化性能）2.Free-radicalscavengingassay(DPPH),自由基清除试验3.Reducingpowerassay4.Superoxideanion(SOA)scavengingactivity:bymeasuringtheinhibitionofpyrogallolauto-oxidation5.Hydroxylradicalscavengingactivity(•OH)