Wheat

Whole Grains Linked with Lower Risk of Type 2 Diabetes

In a large study of nearly 200,000 US adults, those eating whole grains most frequently had a 29% lower risk of developing type 2 diabetes across the approximately 30-year study period than those rarely or never eating whole grains, even after adjusting for other lifestyle factors. When looking at specific whole grain foods, common foods like whole grain breakfast cereal, oatmeal, whole grain bread, and brown rice were all linked with a lower risk of type 2 diabetes. The exception was popcorn, which was linked with a higher risk of type 2 diabetes when eaten more than once per day, perhaps due to its association with butter sauces or sugary flavorings.
BMJ. 2020 Jul 8;370:m2206. doi: 10.1136/bmj.m2206. (Hu Y et al.)

Diabetes / Insulin / Glucose
Diet 
Traditional Diets, General

Whole Wheat Flour Has More Minerals, Antioxidants than Refined

Researchers analyzed 168 types of wheat flour purchased throughout the UK and Germany to compare their nutritional profiles. While spelt and organic wheat varieties had significantly higher levels of antioxidants and minerals than their conventional/modern counterparts, a far greater impact on nutrition was observed when comparing whole grain wheat to refined wheat. Whole grain wheat flours had 2-4.3x higher antioxidant concentrations and activity, 144% more phosphorous, 125% more potassium, and 209% more magnesium than refined wheat flours. The authors conclude that “refining (removal of the bran and germ) (a) has a substantially greater impact on the mineral nutrients and phytochemical concentrations in flour than wheat genetics/species choice (T. aestivum vs T. spelta) and production protocols (organic vs conventional), (b) diminishes the differences in antioxidant activity, and phenolic and mineral concentrations in wheat flour produced with grain from contrasting farming systems and wheat species.”
Food Chem X. 2020 May 4;6:100091. doi: 10.1016/j.fochx.2020.100091. (Wang J et al.)

Diet Quality / Nutrients
Diet 
Traditional Diets, General

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