Assay of psoralen and isopsoralen in Longbishu Capsules by TLC-Scanning / 中成药

ABSTRACT

Objective: To establish a determination for psoralen and isopsoralen in Longbishu Capsules (Fructus Psoraleae, Herba Leonuri, Succinum, Pseudobulbus Cremastrae seu pleiones, Herba Lysimachiae, Spora Lygodii). Methods: TLC-Scanning was used. Results: The average recovery of psoralen was 97.4% and RSD was 3.06%,respectively, and isopsoralen was 97.6% and RSD was 2.72%,respectively. Conclusion: The method can be used for quality control of Longbishu Capsules.