ZOU Jia-li,DENG Wu-yuan,HE Qi-yi,et al.Polyphenol Extracted from the Camellia japonica Flowers and Its Antioxidant Activity[J].Northern Horticulture,2013,37(13):103-107.
山茶花中多酚提取的方法及其抗氧化活性测定研究
- Title:
- Polyphenol Extracted from the Camellia japonica Flowers and Its Antioxidant Activity
- 文章编号:
- 1001-0009(2013)13-0103-05
- Keywords:
- Camellia japonica; polyphenol; extract; antioxidant
- 分类号:
- Q 946.33
- 文献标志码:
- A
- 摘要:
- 以山茶花为试材,采用有机溶剂法和大孔树脂吸附法提取茶多酚,研究比较了2种提取方法的多酚得率及纯度,测定其清除1,1二苯基2三硝基苯肼(DPPH)、对羟自由基(OH)、抗超氧阴离子(O-2)和总抗氧化能力,为山茶多酚抗氧化活性物的鉴定和综合利用提供参考。结果表明:大孔树脂吸附法提取多酚(89.34%)纯度比有机溶剂提取多酚(72.28%)纯度好。以大孔树脂吸附法提取的茶多酚做抗氧化活性试验表明,茶多酚对DPPH的最大清除率达到92.86%,对?OH的最大清除率为90.77%,对O-2]的最大清除率仅为47.79%,0.5 mg/mL茶多酚的总抗氧化能力为17.35 U/mg。
- Abstract:
- Taking Camellia japonica as materials,two methods including organic solvent and macroporous resin method were adopted to extract polyphenol,absorbance capacity DPPH,OH,O-2and total antioxidant capacity were determined,in order to provide theoretical basis for antioxidant activity evaluation and comprehensive utilization for polyphenol of the flowers of Camellia japonica.The results showed that the purity of polyphenol by the macroporous resin method (89.34%) was higher than by organic solvent method (72.28%).The antioxidant activities of polyphenol extracted by the latter method were measured and the results presented the maximum clearance rates of the polyphenol clearing 1,1diphenyl2picrylhydrazyl (DPPH),hydroxyl radical (OH) and anti superoxide anion(O-2)were 92.86%,90.77% and 47.79% respectively,the total antioxidant capacity of 0.5 mg/mL polyphenol was 17.35 U/mg.
参考文献/References:
[1]张仁堂,谷端银,黄守耀.茉莉花茶中茶多酚的提取分离纯化及其抗氧化性能研究[J].中国食物与营养,2010(4):47-51.
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备注/Memo
第一作者简介:邹家丽(1987-),女,硕士,现主要从事植物生物化学研究工作。E-mail:zoujiali19@163.com.