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广西不同产地番石榴叶总黄酮含量测定

Journal of Snake(2015)

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Abstract
目的:对广西不同产地番石榴叶中总黄酮含量进行测定。方法应用紫外分光光度法,以芦丁为对照品,于357nm下测定吸光度,计算番石榴叶中总黄酮的含量。结果在1.7~14.3范围内总黄酮含量与吸光度 A 值线性关系良好,平均回收率=99.28%,RSD=3.69%,R2=0.9993。结论该方法简便可靠、快速、重现性好,适用于番石榴叶总黄酮含量测定。采收地区不同,番石榴叶中总黄酮的含量也不同。
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Key words
U-V spectrophotometry,Folium psidii guajavae,Total flavonoids
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