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To compare the differences in identification tests of vacant gelatin capsules and enterosoluble vacant gelatin capsules in the four national pharmacopoeias, optimize the identification test methods and improve the specificity of identification results.
The biuret method was used to identify vacant gelatin capsules and enterosoluble vacant gelatin capsules, and an appropriate amount of adsorbed activated carbon was added to eliminate the masking effect of pigments in capsules.
The identification method was optimized, the pigment in the capsule solution was adsorbed by activated carbon, and the capsule solution showed a clarified colorless solution, which could produce a distinct violet after the color development by biuret reaction.
This method can significantly improve the specificity of vacant gelatin capsules and enterosoluble vacant gelatin capsules identification compared with domestic and foreign pharmacopoeia methods. It can provide scientific and reasonable revision suggestions for the optimization and improvement of the identification test of vacant gelatin capsules and enterosoluble vacant gelatin capsules in the Chinese Pharmacopoeia.
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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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