The evaluation of antioxidant properties and stability of polyphenols from Spinacia oleracea
作者: Feilong SunYaru YanLong Lin
刊名: Journal of Biotech Research, 2018(9)
来源数据库: Bio Tech System
原始语种摘要: Plant polyphenols have drawn increasing scientific attention due to their multiple functions on health care. In this paper, the antioxidant properties and stability of the polyphenol crude extract from Spinacia oleracea were studied. Two common methods including 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and ferric reducing antioxidant power (FRAP) assay were employed for the evaluation of antioxidant activity of spinach polyphenol. In addition, the effects of pH value, temperature, light and preservative on the antioxidant stability of spinach polyphenol were also discussed. Results showed that spinach polyphenol had a certain antioxidant activity, and its antioxidant ability increased with the increase of sample concentration. External factors, such as pH value,...
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  • polyphenols 多酚
  • antioxidant 抗氧化剂
  • stability 稳定性
  • scavenging 扫气
  • radical 
  • preservative 防腐剂
  • properties 道具
  • activity 活度
  • extract 提取
  • spinach 菠菜