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。
The free radical scavenging activities of extracts of Aloe vera of leaf skin by supercritical CO2 extraction and solvent extraction were determined.
因此对红枣多糖进行硫酸化修饰，可以提高其自由基清除活性并产生新的活性。
These results suggest that sulfation can improve the free radical scavenging activity of Ziziphus jujube fruit polysaccharide and lead to the generation of new activity.
本实验对延胡索成分对DPPH自由基清除活性与酪氨酸酶抑制活性做了初步研究。
For the active ingredient of Corydalis, active ingredients with DPPH free radicals scavenging activity and tyrosinase inhibitory activity were studied.
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