传统煎法与现代煎药机制备四逆汤的HPLC指纹图谱对比研究

摘要

目的：建立四逆汤的高效液相色谱（HPLC）指纹图谱，对比传统煎法与现代煎药机制备的四逆汤的主要化学成分组成的差异。方法：采用HPLC法。色谱柱为Kromasil C18，流动相为乙腈-0.1％磷酸（梯度洗脱），流速为1.0 ml/min，检测波长为235 nm，柱温为30℃，进样量为10μl。以甘草苷色谱峰为参照峰，测定10批四逆汤的HPLC图谱，采用《中药色谱指纹图谱相似度评价系统》（2004年A版）进行共有峰鉴定和相似度评价。结果：10批四逆汤有18个共有峰，相似度均≥0.982。经验证，10批四逆汤指纹图谱与对照指纹图谱具有较好的一致性，两种方法制备的10批四逆汤相似度较高。结论：所建指纹图谱专属性强、结果稳定。可为四逆汤的质量评价和控制提供依据；传统煎法与现代煎药机制备的四逆汤在主要化学成分组成上无明显差异。%OBJECTIVE:To establish the HPLC fingerprints for Sini decoction and compare the differences of compositions of Sini decoction prepared by traditional decoction and modern machine decoction. METHODS:HPLC was performed on the column of Kromasil C18 with mobile phase of acetonitrile-0.1% phosphoric acid(gradient elution)at a flow rate of 1.0 ml/min,the detec-tion wavelength was 235 nm,column temperature was 30 ℃,and injection volume was 10 μl. The HPLC fingerprints of 10 batch-es of Sini decoction were determined with reference peak of liquiritin peaks,and common peak identification and similarity evalua-tion were conducted by using Chromatographic Fingerprint Similarity Evaluation System(2004 A edition). RESULTS:There were 18 common peaks and the similarity was no less than 0.982. According to the verification,the fingerprint of 10 batches of Sini de-coction showed good similarity with reference fingerprint,and the similarity of 10 batches of Sini decoction was high,which was prepared by the 2 methods. CONCLUSIONS:The established fingerprint is specific and stable,and can provide reference for quali-ty evaluation and control for Sini decoction;and there are no obvious differences in the main chemical compositions of Sini decoc-tion prepared by traditional decoction and modern machine decoction.