Blood Test Confirms Whole Grain Consumption Levels

Documenting the benefits of whole grains often depends on asking people to recall how often they eat whole grain foods, a process subject to less-than-precise memories and lack of understanding of just what constitutes a whole grain food. Now scientists at Uppsala University in Sweden have provided further evidence that blood levels of alkylresorcinols – a type of fat found in the bran of rye and wheat but in few other foods — can serve as more objective evidence of regular consumption of wheat and rye.  The researchers asked 72 adults to keep detailed, weighed records of everything they ate for 3 days, on two separate occasions, then tested the levels of alkylresorcinols in their blood. They found a very reliable relationship between the foods eaten and the blood levels measured.
The Journal of Nutrition, September 1, 2011. [Epub ahead of print July 2011]

Diet Quality / Nutrients
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