2009•Zhongguo tiaoweipinRequires access
Scavenging oxygen free radicals of flavonoids from blueberry leaves by chemiluminescence.
Yingchang Li, Wu JiaDi, Sun Jian-hua, Liping Liu
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Abstract
The scavenging ability on oxygen free radicals of flavonoids from blueberry leaves was evaluated by chemiluminescence in models for generation of superoxide anions,hydroxyal radicals and peroxide.The results showed that the flavonoids from blueberry leaves could scavenge superoxide anions,hydroxyal radicals and peroxide.The scavenging ability was also related with the concentration of flavonoids.Flavonoids were less stronger ability on scavenging superoxide anions,hydroxyal radicals and peroxide than rutin.IC50 of flavonoids of from blueberry leaves on scavenging superoxide anions,hydroxyal radicals and peroxide were 13.46,2.11,2.58 μg/mL.