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Food Science and Biotechnology

, Volume 23, Issue 6, pp 2069–2074 | Cite as

Antiatherogenic and antioxidative effects of Houttuynia cordata extracts in rats fed a high-fat diet

  • Jun Ho Kim
  • Yun Jeong Cho
  • Jeong Hoon Pan
  • Tae-Sik Park
  • Soon-Mi Shim
  • Young Jun KimEmail author
Research Article

Abstract

The purpose of this study was to evaluate the effects of ethanolic extracts from Houttuynia cordata on the serum lipid profile and hepatic lipid peroxidation in rats. Animals were fed either a normal or high-fat diet (HFD) containing 0, 1 or 5% H. cordata extracts for 8 weeks. Dietary supplementation of H. cordata extracts at 1 and 5% normalized the HFD-induced weight gain in rats without a significant change in food intake. The H. cordata extracts dose-dependently increased serum HDL cholesterol levels in HFD-fed rats, resulting in a more than 2.5-fold decrease in atherogenic index. Lipid hydroperoxide content in the liver was significantly increased by HFD feeding, and the supplementation of H. cordata extracts at 5% reversed the hydroperoxide content to the level in the normally fed control group. Consistent with reduced hepatic lipid hydroperoxide, animals fed H. cordata extracts exhibited reduced thiobarbituric acid reactive substances (TBARS) levels in the liver and serum. These findings suggest that the ethanolic extracts from H. cordata reduces atherogenic risk and hepatic oxidative damage induced by HFD consumption in rats.

Keywords

Houttuynia cordata extract dietary supplementation antiatherogenic antioxidative high-fat diet 

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Copyright information

© The Korean Society of Food Science and Technology and Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Jun Ho Kim
    • 1
  • Yun Jeong Cho
    • 1
  • Jeong Hoon Pan
    • 1
  • Tae-Sik Park
    • 2
  • Soon-Mi Shim
    • 3
  • Young Jun Kim
    • 1
    Email author
  1. 1.Department of Food and BiotechnologyKorea UniversitySejongKorea
  2. 2.Department of Life Sciences, College of BioNano TechnologyGachon UniversityGyeonggiKorea
  3. 3.Department of Food Science & TechnologySejong UniversitySeoulKorea

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