31 Oct 2013 --- Blueberries are called a "superfood" for their high polyphenol content, but when served as warm, gooey pie filling or when lending bursts of sweet flavor to a muffin, their "super" health benefits change. Scientists studied how cooking and baking affect the increasingly popular fruit's polyphenols and reported their mixed findings — levels of some of these substances rose while others fell — in ACS' Journal of Agricultural and Food Chemistry.
