Aimed to investigate the effect of water extract from Fuzhuan brick-tea on the immune functions of mice, one hundred and ninety mice were divided into 5 groups： control group, model group in which the mice were infected with Escherichia coli O157：H7, low dosage group, moderate dosage group and high dosage group in which mice were treated with low, moderate and high dosage of water extract from Fuzhuan brick-tea respectively for consecutive 10 d. Results demonstrated that there is remarkable difference in the phagocytic index, the serum hemoly...
