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Xiaojin pills, the first choice for clinical treatment of breast hyperplasia, were selected to explore the suitability of a bioactivity assay with chemical fingerprinting for the development of an overall quality evaluation assay. The liposoluble and water-soluble fraction fingerprints of Xiaojin pills were established. The ability to inhibit platelet aggregation and the rate of inhibition of cyclooxygenase-2 (COX-2) for 16 batches of Xiaojin pills from several manufacturers was analyzed; the chemical fingerprints of these samples were correlated with the bioactivity and chemical analysis. The animal protocol was approved by the Committee on the Ethics of Animal Experiments of Affiliated Hospital of Chengdu University of Traditional Chinese Medicine Approval, ID:2018BL-002. Results showed that the antiplatelet aggregation activity of 16 batches was 0.712-1.278 U·mg-1, with a relative standard deviation (RSD) of 15.4%. COX-2 inhibition was 52.07%-68.95% and the RSD was 8.91%. The results showed that there was little difference in the biological effects of these samples. However, the chemical fingerprint consistency of these 16 batches of Xiaojin pills was poor, and the similarity of nearly half of the samples was less than 0.9. The total peak area of Xiaojin pills was 32.74%-165.37% across samples, showing very poor chemical consistency. In order to explore the reasons for the poor chemical consistency despite good consistency in the biological assays, the fingerprint chromatogram was analyzed by multivariate statistical analysis. The main chromatographic peaks were identified. The results showed that the similarity of Xiaojin pills was mainly determined by the prominent chromatographic peaks 17, 18, 20, 23 and 27 in the liposoluble fingerprints, which were identified from Liquidambaris resina and Angelica sinensis Radix. However, Liquidambaris resina and Angelicae sinensis Radix had almost no anti-platelet aggregation activity or COX-2 inhibitory effect at the normal prescription ratio. As a result, the ability to utilize chemical fingerprints to evaluate the quality consistency of Xiaojin pills is limited. The selection of biological evaluation methods that reflect clinical efficacy could make up for the shortcomings of chemical evaluation methods for quality assessment, and provide new ideas and methods for the overall quality evaluation of complex Chinese patent medicines.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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