Simultaneous Determination of Four Alkaloids in Gan-Yan-Ling Injection by GC-MS
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A new separation and quantification method based on GC-MS in the selective ion mode for simultaneous determination of four alkaloids in Gan-Yan-Ling injection was developed. The calibration curves are linear over the range of 0.0125–0.555 mg mL−1 for cytisine, 0.009455–1.008 mg mL−1 for sophocarpine, 0.04739–1.516 mg mL−1 for matrine and 0.01135–1.211 mg mL−1 for sophoridine. Eleven different batches of Gan-Yan-Ling injections were analyzed and the results indicated that the method was sensitive and reliable for the determination of four alkaloids and could be used to control the quality of the preparation.
KeywordsGas chromatography-mass spectrometry Selective ion monitoring Cytisine, sophocarpine, matrine, and sophoridine Gan-Yan-Ling injection
- 7.The Committee of Drugs Investigation and Evaluation, Drug Specifications Promulgated by the Ministry of Public Health, P. R. China (Trial), WS3-B-3415-98Google Scholar