R-phycoerythrin(R-PE) is one of important proteins involved in capturing light during photosynthesis in red algae, and it is highly fluorescent, and water-soluble chromophores.

• 藻红蛋白(phycoerythrin； PE)是海藻中的重要捕光色素蛋白，具有强荧光性，易溶于水.；在藻体内能将捕获的光能传递给光合反应中心;