Experimental diabetes treated with ficus carica extract: effect on oxidative stress parameters.
Parameters related to oxidative stress were studied in rats divided into 4 groups: streptozotocin-induced diabetic rats (n=10), diabetic rats who received a single dose of a basic fraction of Ficus carica extract (n=14), diabetic rats who received a single dose of a chloroform fraction of the extract (n=10), and normal rats (n=10). Compared to normal animals, the diabetic animals presented significantly higher values for erythrocyte catalase normalized to haemoglobin levels (1.5+/-0.15 vs. 0.96+/-0.18 microg/mg) and for plasma vitamin E (73.4+/-43.9 vs. 12.0+/-1.6 mg/l), monounsaturated fatty acids (0.219+/-0.118 vs. 0.067+/-0.014 mg/ml), polyunsaturated fatty acids (PUFA, 0.567+/-0.293 vs. 0.175+/-0.040 mg/ml), saturated fatty acids (0.779+/-0.262 vs. 0.401+/-0.055 mg/ml), and linoleic acid (0.202+/-0.086 vs. 0.106 +/-0.014 mg/ml). Both Ficus carica fractions tended to normalize the values of the diabetic animals' fatty acids and plasma vitamin E values. On studying the ratios of vitamins E and A to PUFA (129.4+/-77.5 diabetic and 68.8+/-9.1 microg/mg normal; 37.5+/-20.8 vs. 108.0+/-43.6 microg/mg) and to C18:2 (259.9+/-65.8 vs. 161.0+/-21.3 microg/mg; 68.3+/-37.9 vs. 252.7+/-102.1 microg/mg), we found statistically significant differences as a function of diabetes, with the vitamin E/C18:2 ratio being normalized by the administration of the chloroform fraction (to 152.1+/-80.3 microg/mg) and the vitamin A/C18:2 ratio being raised relative to the untreated diabetic rats by the administration of the basic fraction (91.9+/-14.5 microg/mg). Our work confirms that antioxidant status is affected in the diabetes syndrome, and that Ficus carica extracts tend to normalize it.[1]References
- Experimental diabetes treated with ficus carica extract: effect on oxidative stress parameters. Pèrez, C., Canal, J.R., Torres, M.D. Acta diabetologica. (2003) [Pubmed]
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