Onions beat red wine and tea in
quercetin content.
So, these foods and beverages are a healthy addition to your diet irrespective of
their quercetin content.
This study found that with different cooking methods, the decreases in onion
quercetin content were as follows: frying, 33 % sauteing, 21, boiling, 14 - 20, steaming, 14, microwaving, 4, baking, 0.
Not exact matches
For example, one hundred percent of an apple's
quercetin (an antioxidant that has been linked to lower inflammation levels as well as decreased risk of prostate and lung cancers)
content is in its skin!
The stars of the fruit world, berries stand out because of their high
content of both fiber and antioxidants like
quercetin, a flavonoid compound that supports healthy bacterial growth in the gut and prevents colon damage.
Thanks to the flavonoid antioxidant
quercetin (which reduces swelling) and a high water
content of 96 %, cucumbers «can definitely help prevent bloating,» says Gans.
A 2007 study called «Ten - Year Comparison of the Influence of Organic and Conventional Crop Management Practices on the
Content of Flavonoids in Tomatoes» published in the Journal of Agricultural and Food Chemistry found that organically grown tomatoes had 79 % more
quercetin than the conventionally grown ones.
They determined that the extract's flavonoid
content consisted of 1.56 milligrams of
quercetin or its equivalent per gram of extract.