Comparison and quality evaluation on volatilize oil of market Pogostemon cablin

Objective:To identify the commercial specification of Pogostemon cablin by testing the volatile oil and con-stituent content of different market Pogostemon cablin. Methods: The volatile oil and constituent content of different mar-ket Pogostemon cablin were analyzed quantitatively by the volatile oil assay of pharmacopoeia and GC-MS method. Re-sults: The volatile oil content of different market Pogostemon cablin didn't show market difference. Comparing to Paixiang, Zhaoxiang and Nanxiang, most of the market Pogostemon cablin were Nanxiang. Conclusion: Reinforcing the planting of Paixiang and Zhaoxiang can provide medicinal materials of high quality for Pogostemon cablin.