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| 1 | Impact of dietary oils and fats on lipid peroxidation in liver and blood of albino rats显示文摘Objective:To investigate the effects of different dietary fat and oils(differing in their degree of saturation and unsaturation)on lipid peroxidation in liver and blood of rats.Methods:The study was conducted on SO albino rats that were randomly divided into 5 groups of 10 animals.The groups were fed on dietary butter(Group I),margarine(Croup II),olive oil(Group III),sunflower oil(Group IV)and com oil(Group V)for 7 weeks.After 12 h of diet removal,livers were excised and blood was collected to measure malondialdehyde(MDA)levels in the supernatant of liver homogenate and in blood.Blood superoxide dismutase activity(SOD),glutathione peroxidase activity(GPx),serum vitamin E and total antioxidant capacity(TAC)levels were also measured to determine the effects of fats and oils on lipid peroxidation.Results:The results indicated that no significant differences were observed in SOD activity,vitamin E and TAC levels between the five groups.However,there was significant decrease of GPx activity in groups IV and V when compared with otlier groups.The results indicated that feeding corn oil caused significant increases in liver and blood MDA levels as compared with other oils and fats.There were positive correlations between SOD and GPx,vitamin E and TAC as well as between GPx and TAC(r:0.743;P<0.001)and between blood MDA and liver MDA(r:0.897;P<0.00l).The results showed also negative correlations between blood MDA on one hand and SOD,GPx,vitamin E and TAC on the other hand.Conclusions:The results demonstrated that feeding oils rich in polyunsaturated fatly acids(PUFA)increases lipid peroxidation significantly and may raise the susceptibility of tissues to free radical oxidative damage. | Mohammad El-Sayed Yassin El-Sayed Haggag Rafaat Mohamed Elsanhoty Mohamed Fawzy Ramadan | 2014 | Asian Pacific Journal of Tropical Biomedicine2014，4，1： | 2 |
| 2 | Target detection and tracking with a high frequency ground wave radar显示文摘 | Rafaat K Brian G Desmond P | 1994 | IEEE Journal of Oceanic Engineering1994，19，4： | 1 |
| 3 | Detoxification of aflatoxin M1 in yoghurt using probiotics and lactic acidbacteria显示文摘 | Rafaat M E Samir A S Mohamed F R | 2014 | Food Control2014，43，： | 1 |
| 4 | Target detection and tracking with a high frequency ground wave radar显示文摘 | RAFAAT K BRIAN G DESMOND P | 1994 | IEEE Journal of Oceanic Engineering1994，19，4： | 1 |
| 5 | Ocean clutter suppression for an HF ground wave radar显示文摘 | RAFAAT K DESMOND P JOHN W | | IEEE0，97，： | 1 |
| 6 | A novel association between cytotoxin-associated gene A (CagA) positive strain of Helicobacter pylori and unexplained recurrent early pregnancy loss 显示文摘 | Ibrahim M Rafaat T Abbas A | 2014 | Eur J Contracept Reprod Health Care2014，19，2： | 1 |
| 7 | Cognitive dysfunction in obsessive-compulsive disorder显示文摘 | Okasha A Rafaat M Mahallawy N | 2000 | Acta Psychiatr Scand2000，101，4： | 1 |
| 8 | Cognitive dysfunction in obsessive-compulsive disorder显示文摘 | Okasha A Rafaat M Mahallawy N | 2000 | Acta Psychiatrica Scandinavica2000，101，4： | 1 |
| 9 | Target detection and tracking with a high frequency ground wave radar显示文摘 | Rafaat Khan Brian Gamberg Desmond Power | 1994 | IEEE Journal of Oceanic Engineering1994，19，4： | 1 |
| 10 | Target detection and tracking with a high frequency ground wave radar显示文摘 | Rafaat K Brian G Desmond P | 1994 | IEEE Journal of Oceanic Engineering1994，19，4： | 1 |
| 11 | Lipid classes, fatty acids and bioactive lipids of genetically modified potato Spunta with Cry V gene显示文摘 | Mohamed Fawzy Ramadan Rafaat M. Elsanhoty | 2011 | Food Chemistry2011，，4： | 1 |
| 12 | Screening of medium components by Plackett–Burman design for carotenoid production using date ( Phoenix dactylifera ) wastes显示文摘 | Rafaat M. Elsanhoty I.A. Al-Turki Mohamed Fawzy Ramadan | 2011 | Industrial Crops & Products2011，，1： | 1 |
| 13 | Target detaction and tracking with a high frequenc ground wave radar 显示文摘 | Rafaat khan Brian Gamberg Desmond Power | 1994 | IEEE Journal of Oceanic Engineering1994，19，4： | 1 |
| 14 | Ocean lcutter suppression for An HF ground wave radar显示文摘 | Rafaat Khan Desmond Power John Walsh | 1997 | IEEE CCECE971997，，： | 1 |
| 15 | Cognitive dysfunction in obsessive-compulsive disorder显示文摘 | Okasha A Rafaat M Mahallawy N | 2000 | Acta Psychiatrica Scand2000，101，： | 1 |
| 16 | Target Detection and Tracking With a High Frequency Ground Wave Radar显示文摘 | Rafaat Khan Brian Gamberg Desmond Power | 1994 | IEEE J O E1994，19，4： | 1 |
| 17 | Target detection and tracking with a high frequency ground wave radar显示文摘 | Rafaat K Brian G Desmond P | 1994 | IEEE Journal of Oceanic Engineering1994，19，4： | 1 |
| 18 | Ocean-clutter model for high-Frequency Radar显示文摘 | Rafaat H Khan | 1991 | IEEE Journal Of Oceanic Engineering1991，16，2： | 1 |
| 19 | Benign neonatal hemangiomatosis显示文摘 | RAFAAT M | 2003 | Pediatr Dermatol2003，20，2： | 1 |
| 20 | Cognitive dysfunction in obsessive-compulsive disorder 显示文摘 | Okasha A Rafaat M Mahallawy N | 2000 | Acta Psychiatr Scand2000，101，4： | 1 |
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