Showing 2 results for Fish Oil
M Mohammad Shirazi , F Taleban, M Sabet Kassaii, A Abadi , M Vafa, Kh Zare, F Seyed Ahmadian ,
Volume 3, Issue 1 (9-2007)
Abstract
Background and Objectives: There are conflicting data on the effects of different types of fat on aortic atherosclerosis. This study used Wister rats to compare the atherogenic effects of a standard diet with a diet containing fish oil and another diet containing mixed oils (typical of the current consumption pattern in Iran).
Methods: Thirty female Wistar rats were randomly assigned to three diet groups: a standard diet (containing soy bean-oil as the only dietary fat), a diet containing fish oil and another diet which contained mixed oils and was designed on the basis of the current fat consumption pattern in Iran (butter, hydrogenated vegetable oil and sunflower oil). Mothers in each group were fed the same diet during pregnancy and lactation the litters were also weaned onto the same diet. Aortic samples were taken from the offspring at the time of weaning and puberty. Data were analyzed using SPSS software Kruskal-Wallis test was applied for comparison among groups.
Results: Rats that were fed soy bean oil showed less extensive fatty streaks and intimal thickening of aorta on weaning and at puberty. Rats fed fish oil and mixed oils showed more atherosclerosis lesions compared to those receiving soy bean oil.
Conclusions: It seems that diets with an omega-3 to omega-6 ratio of 0.6 can enhance aortic atherosclerosis. Diets with an Iranian fat consumption pattern also increase aortic atherosclerotic lesions because they contain substantial amounts of saturated fat.
M Mohammad Shirazi, Fa Taleban, M Sabet Kassaii, A Abadi, Mr Vafa,
Volume 6, Issue 2 (9-2010)
Abstract
Methods: Thirty female Wistar rats were randomly allocated to three dietary groups: a standard diet (containing soy bean-oil), diet containing fish oil and diet containing mixed oil which was designed based on Iranian population fatty acid intake. Dams in each group were fed one of the diets during pregnancy and lactation and the pups were also weaned onto the same diet. Fasting serum glucose (Photometry) and insulin (ELISA) in pups were assessed and insulin sensitivity calculated on puberty.
Results: Fasting serum insulin in fish oil-fed group was significantly less than two other groups (P=0.018) and insulin sensitivity in fish oil-fed rats was significantly more than two other groups (P=0.002).
Conclusions: It seems a diet containing fish oil (rich in long chain omega-3 fatty acids) causes more insulin sensitivity comparing to diet containing soy bean oil (rich in omega-6 fatty acids) and diet with Iranian population fatty acid intake pattern (rich in saturated fatty acids).
