European Food Research and Technology

, Volume 230, Issue 2, pp 325–331 | Cite as

Characterization and antioxidant activity of dihydromyricetin–lecithin complex

  • Benguo LiuEmail author
  • Jiquan Du
  • Jie Zeng
  • Chungang Chen
  • Shengyang Niu
Original Paper


Dihydromyricetin is a natural antioxidant with good prospects in food industry. But its poor lipophilic property limits its application in lipophilic food. In this study, the dihydromyricetin–lecithin complex was prepared to improve the hydrophobicity of dihydromyricetin. The physicochemical properties of the complex were analyzed by ultraviolet–visible spectrometry, infrared spectrometry, scanning electron microscopy, differential scanning calorimetry, X-ray diffractometry. The result showed that dihydromyricetin and lecithin in the complex were combined by non-covalent bond, did not form a new compound and the solubility of dihydromyricetin in n-octanol was significantly enhanced. It was found that the dihydromyricetin–lecithin complex was an effective scavenger of DPPH radicals with an IC50 of 22.60 μg/mL. In the Rancimat antioxidant test using lard oil as substrate, the performance of the complex with protection factor of 6.67 was superior to that of butylated hydroxytoluene with protection factor of 5.54.


Dihydromyricetin Lecithin Complex Flavonoid Antioxidant 



Ultraviolet–visible spectrometry


Infrared spectrometry


Scanning electron microscopy


Differential scanning calorimetry


X-ray diffractometry


Butylated hydroxytoluene




Butylated hydroxyanisole


Tertiary butylhydroquinone



The financial supports provided by Foundation of Henan Educational Committee (No. 2009A550005) and the Science and Technology Plan of Henan Institute of Science and Technology (No. 7040) were greatly appreciated. Thanks to Professor Yousheng Zhang of Guangdong Academy of Agricultural Sciences for dihydromyricetin standard.


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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Benguo Liu
    • 1
    Email author
  • Jiquan Du
    • 2
  • Jie Zeng
    • 1
  • Chungang Chen
    • 1
  • Shengyang Niu
    • 1
  1. 1.School of Food ScienceHenan Institute of Science and TechnologyXinxiangChina
  2. 2.College of Food ScienceSouth China Agricultural UniversityGuangzhouChina

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