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The oxygen free radical scavenging activities and anti-lipoprotein oxidative effects of green tea polysaccharides were studied.
研究绿茶多糖体外清除氧自由基与抗脂蛋白氧化作用。
The free radical scavenging activities of extracts of Aloe vera of leaf skin by supercritical CO2 extraction and solvent extraction were determined.
测定了芦荟皮的超临界CO_2提取物和溶剂提取物的自由基清除活性。
Hydrolysable tannins and myricetin derivatives possessed potent DPPH free radical scavenging activities, and only myricitrin showed weak tyrosinase- inhibiting activity.
结果显示水解单宁和杨梅素衍生物具有较强的自由基清除活性，杨梅苷显示出微弱的酪氨酸酶抑制活性。
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