The secret in getting the most out of blueberries, may lie in how you prepare it. Blueberries are estimated to be over 13,000 years old and wild blueberries were harvested by colonial settlers as early as 1619.
Blueberries high antioxidant value make it one of our favorite superfoods. It protects cardiovascular health and has even been found to stop fat cells from developing.
A recent study from Texas Woman’s University (TWU) in Denton, Texas, United States found that plant polyphenols (the antioxidant compound in blueberries) have been shown to fight adipogenesis, which is the development of fat cells, and breakdown fat cells.
The study performed on mice showed the fat content in the control group was significantly higher than the content of the tissue given three doses of blueberry polyphenols. The highest dose of blueberry polyphenols yielded a 73% decrease in lipids; the lowest dose showed a 27% decrease.
Tests still need to be completed in human subjects, but this developing area of research shows great promise controlling obesity. Read the full story to find out the best way to eat blueberries.
Blueberry Health Benefits: Baking Blueberries Changes Their Polyphenol Content
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.
Ana Rodriguez-Mateos and colleagues note that eating blueberries is associated with several health perks including improved thinking, reduced risk for heart disease and reduced inflammation.
Research suggests that a set of natural plant compounds called polyphenols lend the fresh fruit these benefits. But consumers don’t always enjoy blueberries raw.
Some methods of processing affect blueberry health benefits, such as juicing and canning, lower polyphenol levels by 22 to 81 percent.
However, no studies have tested whether using blueberries in breads, muffins or pies affects their polyphenol content. Rodriguez-Mateos’ team sought to test the stability of these health-promoting compounds during cooking, proofing (when the dough rises before cooking) and baking.
They found that all three processes had mixed effects on blueberries’ polyphenols including anthocyanin, procyanidin, quercetin and phenolic acids. Anthocyanin levels dropped by 10 to 21 percent.
The levels of smaller procyanidin oligomers got a boost while those of the larger ones dipped. Phenolic acid levels increased. Other compounds such as quercetin remained constant.
They say that the good retention of polyphenols observed in their study might be due to the use of yeast, which may act as a stabilizing agent during baking. “Due to their possible health benefits, a better understanding of the impact of processing is important to maximize the retention of these phytochemicals in berry-containing-products,” the researchers state.
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