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Abstract
Background and purpose: This research is conducted to study the effect of black tea polyphenols on the growth of rats over a short period.
Methods and materials: In a controlled experiment, 10 rats, divided in to two groups, were studied for 38 days. In the first 30 days, they had the same diet but in the 8 last days of intervention, experimental rats consumed tea for water. Consumed food, growth rate and FER were measured for each rat. The obtained data, in SPSS, were analyzed using independent and paired t- test.
Results: Mean FER in experimental rats 9 days before intervention was 0.262±0.022, which reduced to 0.176±0.047 after intervention and the difference was significant (P
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