Thursday, March 26, 2009

Vinegar Reduces Post-Prandial Glucose

A mixture of vinegar and olive oil is the traditional salad dressing used in the Mediterranean diet. The consumption of vinegar with meals was used as a home remedy for diabetes before the advent of pharmacologic glucose-lowering therapy. Indeed modern studies indicate that vinegar significantly reduces post-meal glycemia, probably because acetic acid slows gastric emptying and thus delays carbohydrate absorption and improves satiety. Recent studies show that 1 to 2 tablespoons of vinegar, when added to a meal containing high-glycemic-index foods such as white bread or white rice, will both: 1) lower post-prandial glucose by 25% to 35% increase post-meal satiety by more than 2-fold. Thus the addition of vinegar to a standard meal can not only improve the meal-induced oxidant stress by blunting the post-prandial glucose excursion, but also can increase and prolong satiety, which should help to reduce food cravings and lower caloric intake over the subsequent 2 to 4 h. Finally, vinegar with olive oil is generally consumed with green leafy vegetables, which have superior nutrient-to-calorie ratios and very low glycemic indexes.


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