The content of hematoporphyrin was highest in HPS, but relatively low in YHPD and LF019. The content of dihematoporphyrin ethers in LF019 was very close to that in YHPD.

• 血卟啉的含量在HPS中最高,YHPD和LF 019中较低,两者所含双血卟啉醚相近。