Quercetin is a type of flavonoid that can be found in plant-based foods. According to the research report of the American Cancer Society, quercetin has anti-cancer and anti-inflammatory properties. This means that this compound has benefits in preventing and treating various diseases such as cancer and allergies, but its effects still need further research to verify. Many foods are known to contain quercetin Fruits containing quercetin include apple peel, citrus fruits, grapes, black cherries, and black berries. Especially blueberries, blueberries, and blackberries are particularly abundant in content
Vegetables and herbs
Herbs and vegetables containing quercetin include onions, fennel, green leafy vegetables, and coriander
Other food sources: olive oil, tea, legumes, and red grapes are also sources of quercetin
source:http://www.onisc.net/news939767.html
