Figure 5: Plasmatic concentrations of three vitamins (A, C and E) day 21 in diabetic and control rats, treated or not with extracts from leaf, root and seedof Zyziphus lotus L. for 3 weeks as described in the Materials and Methods section. The determination of vitamin A (in A), vitamin C (in B) and vitamin E (in C) were performed as described in the Materials and Methods section. Each value represents the mean ± SEM (n=6). NS=insignificant difference as compared to diabetic rats.