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Nutrients 2016, 8(5), 283; doi:10.3390/nu8050283

Hawthorn Fruit Extract Elevates Expression of Nrf2/HO-1 and Improves Lipid Profiles in Ovariectomized Rats

1
Division of Food and Nutritional Science and Life Systems, College of Science, Sookmyung Women’s University, Seoul 04310, Korea
2
Major in Food and Nutrition, College of Human Ecology, Sookmyung Women’s University, Seoul 04310, Korea
*
Author to whom correspondence should be addressed.
Received: 12 February 2016 / Revised: 3 May 2016 / Accepted: 5 May 2016 / Published: 13 May 2016
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Abstract

The purpose of this study was to investigate the effects of hawthorn (Crataegus pinnatifida Bunge) extract on the lipid profiles and antioxidant properties in ovariectomized (OVX) rats. After ovariectomy, the rats were randomly divided into four groups: the non-OVX control (Sham), the OVX-control (OVX), the OVX + 100 mg/kg b.w. of hawthorn extract (OL), and the OVX + 200 mg/kg b.w. of hawthorn extract (OH). The final body weights of the OVX group were significantly increased, but the increment was significantly decreased in hawthorn groups (p < 0.05). The serum total and low-density lipoprotein (LDL) cholesterol levels were significantly elevated in the OVX group, whereas the hawthorn groups showed a significant decrease in these levels (p < 0.05). The hepatic triglyceride (TG) and malondialdehyde (MDA) levels were significantly reduced in the hawthorn groups compared with the OVX group (p < 0.05). The mRNA expression of nuclear factor erythroid 2–related factor (Nrf2), heme oxygenase-1 (HO-1), and glutathione peroxidase (GPx) were significantly decreased in the OVX group, whereas the hawthorn groups exhibited a significant increase in expression (p < 0.05). The protein expressions of Nrf2, HO-1, and GPx were lower in the OVX group than the Sham group (p < 0.05). The oral administration of hawthorn extract reversed the suppression of protein levels. These results suggest that hawthorn extract could have protective effects in OVX rats by improving lipid profiles, decreasing oxidative stress, and improving the antioxidant defense system. View Full-Text
Keywords: hawthorn extract; antioxidant; oxidative stress; nuclear factor erythroid 2 related factor; heme oxygenase-1; glutathione peroxidase; ovariectomized hawthorn extract; antioxidant; oxidative stress; nuclear factor erythroid 2 related factor; heme oxygenase-1; glutathione peroxidase; ovariectomized
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Yoo, J.-H.; Liu, Y.; Kim, H.-S. Hawthorn Fruit Extract Elevates Expression of Nrf2/HO-1 and Improves Lipid Profiles in Ovariectomized Rats. Nutrients 2016, 8, 283.

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