In nature,the core of haemachrome,cytochrome,chlorophyl and other biological macromolecules are made up with porphyrin compounds that participate in a series of important process in the organism.

• 在自然界,卟啉化合物构成了血红蛋白、细胞色素及叶绿素等生物大分子的核心部分,参与生物体内一系列重要过程。