Chromatographic fingerprint for Schizonepeta tenuisfolia Briq / 中成药

AIM: To study the chromatographic fingerprint for Schizonepeta tenuisfolia Briq. by gas chromatography (GC). METHODS: The GC equipped with FID detector and a Varian CP-Sil 24 CB capillary column was used. The temperature program of column oven was as follows: 50℃, held for 3 min; increased at a rate of 2 ℃/min to 110℃, then at 6℃/min to 250℃, held for 5 min. RESULTS: The analytic method for fingerprint of Schizonepeta tenuisfolia Briq. was developed and validated. The fingerprint for Schizonepeta tenuisfolia Briq. was established. CONCLUSION: The method is simple, precise and reliable. The fingerprint is helpful to the quality control of Schizonepeta tenuisfolia Briq. in Chaijing Injection.