摘要
通过精确的量化手段,评估红蓝草(学名:Peristrophe roxburghiana)不同组织结构,具体指叶与茎部分中多糖成分的含量,同时对比研究其在体外条件下的抗氧化效能。用苯酚-硫酸法测多糖含量,通过清除DPPH自由基和羟基自由基(·OH)来评估抗氧化能力。红蓝草叶中多糖含量高于茎(茎:17.33%;叶:15.12%),茎多糖对DPPH自由基和对羟基两种自由基的清除效果均优于叶多糖。红蓝草茎和叶中多糖均具有一定的抗氧化活性,其中茎部多糖表现突出。
By means of precise quantification,the content of polysaccharide components in different tissue structures of red bluegrass(scientific name:Peristrophe roxburghiana),specifically in the leaf and stem fractions,was determined and their antioxidant efficacy under in vitro conditions was comparatively studied.The polysaccharide content was measured by phenol-sulfuric acid method and the antioxidant capacity was assessed by scavenging DPPH radicals and hydroxyl radicals(-OH).the polysaccharide content of red bluegrass leaves was higher than that of stems(stems:17.33%,leaves:15.12%),and the scavenging effects of stem polysaccharides on both DPPH radicals and p-hydroxyl radicals were better than those of leaf polysaccharides.Polysaccharides from both stems and leaves of red bluegrass possessed some antioxidant activity,with the stem polysaccharides being prominent.
作者
白凤
韦国兰
徐玉平
吴永芳
BAI Feng;WEI Guolan;XU Yuping;WU Yongfang(School of Grand Health,Kaili University,Guizhou Kaili 556011,China)
出处
《广州化工》
2025年第14期112-114,共3页
GuangZhou Chemical Industry
基金
凯里学院校级专项课题(课题编号:2024ZX007)
凯里学院“十四五”学科专业平台团队一体化建设规划-科研平台项目(课题编号:YTH-PT202404)。
关键词
红蓝草
不同部位
多糖提取
抗氧化活性
peristrophe roxburghiana
different parts
polysaccharide extraction
antioxidant activity
作者简介
白凤(1988-),女,硕士,凯里学院大健康学院助教,主要从事天然产物的提取与药物新剂研究。
