Red beet (Beta vulgaris L.) leaf supplementation improves antioxidant status in C57BL/6J mice fed high fat high cholesterol diet.
- Author:
Jeung Hee LEE
1
;
Chan Wook SON
;
Mi Yeon KIM
;
Min Hee KIM
;
Hye Ran KIM
;
Eun Shil KWAK
;
Sena KIM
;
Mee Ree KIM
Author Information
- Publication Type:Original Article
- Keywords: Antioxidant; DNA; mice; red beet leaf; TBARS value
- MeSH: Acclimatization; Adipose Tissue; Animals; Antioxidants; Beta vulgaris; Body Weight; Cholesterol; Diet; DNA; Heart; Lipid Peroxidation; Liver; Lymphocytes; Mice; Olea; Plasma
- From:Nutrition Research and Practice 2009;3(2):114-121
- CountryRepublic of Korea
- Language:English
- Abstract: The effect of diet supplemented with red beet (Beta vulgaris L.) leaf on antioxidant status of plasma and tissue was investigated in C57BL/6J mice. The mice were randomly divided into two groups after one-week acclimation, and fed a high fat (20%) and high cholesterol (1%) diet without (control group) or with 8% freeze-dried red beet leaf (RBL group) for 4 weeks. In RBL mice, lipid peroxidation determined as 2-thiobarbituric acid-reactive substances (TBARS value) was significantly reduced in the plasma and selected organs (liver, heart, and kidney). Levels of antioxidants (glutathione and beta-carotene) and the activities of antioxidant enzyme (glutathione peroxidase) in plasma and liver were considerably increased, suggesting that antioxidant defenses were improved by RBL diet. Comet parameters such as tail DNA (%), tail extent moment, olive tail moment and tail length were significantly reduced by 25.1%, 49.4%, 35.4%, and 23.7%, respectively, in plasma lymphocyte DNA of RBL mice compared with control mice, and indicated the increased resistance of lymphocyte DNA to oxidative damage. In addition, the RBL diet controlled body weight together with a significant reduction of fat pad (retroperitoneal, epididymal, inguinal fat, and total fat). Therefore, the present study suggested that the supplementation of 8% red beet leaf in high fat high cholesterol diet could prevent lipid peroxidation and improve antioxidant defense system in the plasma and tissue of C57BL/6J mice.
