What fruit has the most quercetin?

Quercetin is a pigment that adds color to many fruits and vegetables. It’s found mainly in the skins and leaves of plants. Light stimulates the production of quercetin, so an apple at the top of a tree may have more quercetin than one that doesn’t get direct sunlight.

Do avocados have quercetin?

The content of quercetin was 1.585\%. Quercetin in avocado meal has strong DPPH scavenging and iron ion reduction ability. When the concentration is 30 mg/mL, DPPH scavenging rate reaches 70\%, and iron ion reduction ability almost equals 6 mmol/L FeSO4 concentration, and has a dose-effect relationship.

Does cooking onions destroy quercetin?

The boiling of onion leads to about 30\% loss of quercetin glycosides, which transfers to the boiling water.

Does honey contain quercetin?

The most widely distributed flavonoid in foods, including honey, is quercetin. Most of the quercetin present in plants is attached to sugar moieties rather than in the free form [70,71]. Various studies indicate that quercetin lowers blood pressure and restores endothelial dysfunction in hypertensive animals.

Which fruits and vegetables contain quercetin?

Fruits and vegetables are the primary dietary sources of quercetin, particularly citrus fruits, apples, onions, parsley, sage, tea, and red wine. Olive oil, grapes, dark cherries, and dark berries such as blueberries, blackberries, and bilberries are also high in quercetin and other flavonoids.

Which is the healthiest onion to eat?

Red onions are especially high in quercetin, according to the association. Shallots and yellow onions are also good options. White onions contain the least amount of quercetin and other antioxidants.

Does applesauce have quercetin?

Applesauce also has a small amount of quercetin. Quercetin can help to boost your immune system. A healthier immune system means that your body is better able to fight infections and illnesses.