8MARX J L.Oxygen free radicals linked to many diseases[J].Science,1987,235(4788):529-531.
9CHEN H X,ZHANG M,XIE B J.Components and antioxidant activity of polysaccharide conjugate from green tea[J].Food Chemistry,2005,90(1/2):17-21.
10LI S P,SU Z R,DONG T T X,et al.The fruiting body and its host of Cordyceps sinensis show close resemblance in main constituents and anti-oxidationactivity[J].Phytomedicine,2002(9):319-324.
