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Abstract
This study was carried out to prepare kombucha tea from both black and green tea. Also, the chemical structure of both kinds of kombucha tea has been estimated. Besides, this study handled the oral administration of the two kinds of kombucha tea on hypercholesterolemic , diabetic and healthy rats and the effect of kombucha tea on the improvement of lipid profile glucose levels, liver functions, kidney functions and some internal organs weight. The obtained results showed that both kinds of kombucha tea contained close values of protein ,ash ,moisture, carbohydrates ,ph value and fructose contents . But k b t contained more sucrose and glucose values than k g t besides , k g t contained significant amount of polyphenols Biological evaluation results indicated that in diabetic rat groups, k g t >(٦ ml)group showed reduction in TL,TG,TC.VLDL ,glucose ,urea creatinine and ALP levels. Meanwhile uric acid level dereased in k b t (٣< group .Also k b t (٦ ml)group showed reduction in LDL, AI,GOT and GPT and increase in HDL level. On the other hand hypercholesterolemic rats group results showed that TL and urea levels were lower in k b t (٣ ml group than other groups. K b t (٦ ml) group showed significant decrease in TG ,TC .VLDL, glucose, creatinine, ALP and GPT levels and increase in >HDL level .But k g t (٦ ml) group were lower in LDL, uric acid and GOT levels. In healthy rats groups TL, TC, AI, LDL and creatinine levels showed significant decrease in k g t (٦ ml) group . Meanwhile k b t >(٦ ml)group showed a reduction in TG ,VLDL, glucose, urea,ALP,GPT and GOT levels .On the other hand k g t (٣ ml)group showed decrease in uric acid and increase in HDL levels.