الفهرس 
Effect of feed restriction and green tea on blood parameters in rats with hyperthyroidism or hypothyroidism
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Abstract
Seventy two wistar male rats, weighing 250 - 350g, were used to evaluate the influence of feed restriction and green tea on the blood parameters in rats with hyperthyroidism or hypothyroidism. For this purpose rats were reared for 6 weeks then divided into 9 groups, the 1st served as control group (C), the 2nd was feed restricted group (F), the 3rd was green tea extract administrated group (G), the 4th was hypothyroid induced group (Ho), the 5th was hypothyroid feed restricted group (HoF), the 6th was hypothyroid green tea extract group (HoG), the 7th was hyperthyroid induced group (Hr), the 8th was hyperthyroid feed restricted group (HrF) and the 9th was hyperthyroid green tea extract group (HrG). Hypothyroidism was induced in rats by administration of 6- n- propyl - 2- thiouracil in drinking water to a final concentration of 0.01% for 6 weeks. Hyperthyroidism was induced by administration of thyroxine 200 og/L in drinking water for 6 weeks. Feed restriction was applied by feeding the rat 60% of the food given to the control group. Green tea was used at a concentration of 0.5% tea aqueous extract in drinking water. GSH, CAT and TAC were decreased in Ho, HoF and Hr groups and were increased, in F and G groups