nocardorubin

例句：

1. 1. The nocardorubin pigment in the leaves is responsible for their vibrant red color.
   叶子中的无色素色素是它们鲜艳红色的原因。
2. 2.Researchers have found that nocardorubin plays a crucial role in plant defense against pathogens.
   研究人员发现，无色素在植物抵御病原体方面起着至关重要的作用。
3. 3.The discovery of nocardorubin has opened up new possibilities for the study of plant pigments and their functions.
   发现了无色素，为研究植物色素及其功能开辟了新的可能性。