The role of monounsaturated fatty acids in the mitigation of insulin resistance
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To link to this item DOI: 10.1007/s12170-010-0111-y
With the rising rate of obesity, there is considerable interest in dietary strategies to reduce insulin resistance, a major characteristic of the metabolic syndrome and type 2 diabetes. Diets rich in monounsaturated fatty acids (MUFA) have been suggested as an alternative to low-fat, high-carbohydrate diets to improve glycemic control. However, inconsistent effects have been observed with MUFA-rich diets in both healthy and insulin-resistant individuals. In studies that have reported favorable effects on insulin sensitivity, Mediterranean-style diets have been used that are rich not only in MUFA but also whole-grain foods, fiber, and carbohydrates with a low glycemic index. There is a need for intervention studies to examine the true impact of MUFA-rich oils on glycemic control in both Mediterranean and non-Mediterranean populations. In addition, the metabolic and genotypic status of the participants may also play a role in the inter-individual variability in insulin sensitivity in response to MUFA-rich diets.