8Bloism S. Antioxidant determinations by the use of a stable free radical[J].Nature, 1958, 181: 1199-1200.
9Ito H, Nishitani E, Konoshima T, et al. Flavonoid and benzophenone glycosides from Coleogyne ramosissima [J].Phytochemistry, 2000, 54: 695-700.
10Kim Y, Jang D S, Park S H, et al. Flavonol glycoside gallate and ferulate esters from Persicaria lapathifoli as inhibitors of superoxide production in human monocytes stimulated by unopsonized zymosan[J]. Ptanta Med, 2000, 66(1): 72-74.