槲皮素是一种同白藜芦醇相对接近的化学物，在多种水果蔬菜中广泛存在，包括洋葱，葡萄，蓝莓，茶，花椰菜和红酒。
Quercetin , a close chemical relative of resveratrol , is present in a variety of fruits and vegetables , including red onions , grapes , blueberries , tea , broccoli and red wine .
蓝莓茶