Flavonols are not common in plant-based nutriments but are not searched in highest concentratio in onio , a les, berries, kale and broccoli.

• 黄酮醇是植物类吃的东西中的常用学识物质，在洋葱、苹果、浆果、羽衣甘蓝和西兰花中含量很高。