oxygen free radical: O°,、OH ki nas o (active oxygen: 02- H202-OH) free radical lipid free radical: L、LO∵、LOO° others:Cr、CH、NOoxygen free radical: O - • 2 、OH • kinds of (active oxygen: 1O2、H2O2 OH • ) free radical lipid free radical: L• 、LO• 、LOO• others: Cl• 、CH3 • 、NO