It is suggested that TP is the key ingredient of arbutus to scavenge active oxygen free radical.

表明，酚类物质是杨梅清除活性氧自由基的关键成分。

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Thus, it indicated that the stimulation of calcium messenger system and accumulation of active oxygen free radical were closely related to fruits maturation and senescence.

表明细胞内钙信使系统的活化和活性氧自由基的积累与果实成熟衰老密切相关。

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Conclusions It is suggested that both passive exercise and active exercise were helpful for elimination of free radical of the body and improvement of blood and oxygen supply of heart and brain.

结论主动运动和被动运动均能增强机体氧自由基清除能力，有助于改善心脑供血供氧。

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