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用乙醇有效提取马齿苋、鱼腥草、甘草、野菊花、葛根、桑叶中的黄酮,用比色法测定黄酮含量;用湿法消化提取6种药食植物中的铁元素,采用原子吸收光谱法测定其中铁的含量;对6种药食植物DPPH自由基的清除作用与黄酮和铁的含量的相关性进行了研究。结果表明:6种药食植物中都含有一定量的黄酮和铁元素,且DPPH自由基的清除作用与黄酮和铁元素含量也存在一定的相关性。
Abstract：The flavonoids were extracted effectively from purslane,houttuynia,glycyrrhiza,wildchrysanthemum,pueraria,mulberry leaves,the flavonoids content is determined with colorimetricmethod;Iron element of the six kind of medical and edible plants were extracted with wet digestionmethod,and the iron content was determined with atomic absorption spectrometry;Researched thecorrelation of scavenging effect of DPPH free radicals and flavones/iron content of the plants. The re-sults showed the six medical and edible plants all contain a certain amount of flavonoids and iron,and the scavenging effect of DPPH free radicals has a certain correlation with flavonoids and iron con-tent.
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基本信息:
DOI：10.16389/j.cnki.cn42-1737/n.2014.06.005
中图分类号:TQ460.1
引用信息:
[1]郭艳华.几种药食植物清除自由基与黄酮和铁元素含量的相关性研究[J].江汉大学学报(自然科学版),2014,42(06):21-26.DOI:10.16389/j.cnki.cn42-1737/n.2014.06.005.
基金信息:
湖北省教育厅科技项目(B2014073)