Quality standard for Tongfeng Huadu Tincture / 中成药

AIM: To establish the quality standard for Tongfeng Huadu Tincture (Radix Gentianae Macrophyllae, Radix Angelicae Pubescentis, Rhizoma Chuanxiong, Herba Asari, etc.). METHODS: The Radix Gentianae Macrophyllae, Radix Angelicae Pubescentis, Rhizoma Chuanxiong, Herba Asari of Tongfeng Huadu Tincture were identified by TLC. Strychnine of Tincture was determined by HPLC. RESULTS: The average recovery was 97.07% and RSD and 2.1% (n=5). CONCLUSION: The method is reliable, accurate and specific. It can be used for quality control of Tongfeng Huadu Tincture.