Effect of the intake of dietary protein on insulin resistance in subjects with obesity: a randomized controlled clinical trial.

Purpose: We compared the effect of diets with different amounts and sources of dietary protein on insulin sensitivity (IS) in subjects with obesity and insulin resistance (IR).

Methods: Eighty subjects with obesity (BMI ≥ 30 kg/m) and IR (Matsuda index < 4.3 and HOMA-IR ≥ 2.

Oxalate Content and Antioxidant Activity of Different Ethnic Foods.

Objective: There is not enough information on the classification of oxalate content in several foods, particularly in ethnic foods, to recommend their consumption in subjects with urolithiasis (UL). The objective of the present study was to generate reliable information on the oxalate content and antioxidant activity in different foods and classify them by very low, low, medium, high and very high oxalate content and antioxidant activity.

Methods: The oxalate content of 109 foods including ethnic foods was assessed by an enzymatic assay, and the antioxidant activity was measured by the oxygen radical absorbance capacity to determine the oxalate/antioxidant activity ratio.