xanthaematin

例句：

1. 1.The xanthaematin in the soil is essential for plant growth.
   土壤中的黄酮对植物生长至关重要。
2. 2.The color of the flowers is due to the presence of xanthaematin.
   花朵的颜色归功于黄酮的存在。
3. 3. Xanthaematin is a natural pigment found in many fruits and vegetables.
   黄酮是一种存在于许多水果和蔬菜中的天然色素。