Please use this identifier to cite or link to this item:
|Title: ||Effect of vitamin E on lipid parameters in ovariectomized rats|
|Authors: ||Edralin A. Lucas;Tai-Yuan Chen;Sheau C. Chai;Latha Devareddy;Shanil Juma;Cheng-I Wei;Yamini B. Tripathi;Bruce P. Daggy;Deng-Fwu Hwang;Bahram H. Arjmandi, Ph.D.|
|Contributors: ||NTOU:Department of Food Science|
|Issue Date: ||2011-10-21T02:23:48Z
|Publisher: ||Journal of Medicinal Food|
|Abstract: ||Abstract:The risk of cardiovascular disease drastically increases at the onset of menopause, in part, because of rise in blood cholesterol and unfavorable changes in lipid profile. This study was designed to investigate the dose-dependent effects of vitamin E supplementation on lipid parameters in ovariectomized (ovx) rats. Sixty 12-month-old female Sprague-Dawley rats were either sham-operated (sham; one group) or ovx (four groups). All rats were maintained on a semipurified caseinbased diet (AIN-93M; 75 IU vitamin E/kg of diet) for a period of 120 days. Thereafter, ovx rats were placed on one of four doses of vitamin E treatment (75, 300, 525, or 750 IU vitamin E/kg of diet), while the sham group was continued on 75 IU vitamin E/kg of diet for 100 days. Ovariectomy tended to increase (by 24%, P = 0.1) serum non?high-density lipoprotein (HDL) cholesterol and decrease (by 14%, P = 0.1) HDL cholesterol. Vitamin E did not have any significant effects on serum lipid parameters. Liver total lipids were notably increased (P < .001) in ovx animals, and supplementation with vitamin E at 525 IU/kg of diet was able to significantly reduce liver total lipids by 13%. Additionally, ovariectomy caused an increase in serum glucose and liver C18:1 fatty acid concentrations along with decreases in C18:0, C20:4, and C22:6 fatty acid concentrations. These alterations on liver fatty acid profiles were unaffected by vitamin E. The findings of this study suggest that vitamin E supplementation moderately improves lipid parameters in ovarian hormone-deficient rats.|
|Relation: ||9(1), pp.77-83|
|Appears in Collections:||[食品科學系] 期刊論文|
Files in This Item:
There are no files associated with this item.
All items in NTOUR are protected by copyright, with all rights reserved.