Nine-element wind-extinguishing particle component quantitative detection method and fingerprint construction method
A quantitative detection method, a technology of nine flavors to extinguish the wind, applied in the field of analytical chemistry, to achieve the effects of good linear relationship, accurate detection, and stable baseline
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Embodiment 1 9
[0074] Example 1 Quantitative detection method for components of Jiuwei Xifeng granules
[0075] 1. Chromatographic conditions and system adaptability test: octadecylsilane bonded silica gel is used as filler (chromatographic column: PhenomenexGeminiC 18 , The column length is 250mm, the inner diameter is 4.6mm, and the particle size is 5μm); methanol is used as mobile phase A, and 0.1% triethylamine is used as mobile phase B. Gradient elution is performed as specified in the following table; flow rate is 1.0mL / min; The detection wavelength is 246nm; the column temperature is 35℃; the number of theoretical plates is not less than 5000 calculated by the rhynchophylline peak.
[0076] Table 1 Gradient elution program
[0077] Time (minutes)
Mobile phase A (%)
Mobile phase B (%)
0~5
40
60
5~30
40→60
60→40
30~50
60→75
40→25
50~60
75
25
[0078] 2. Preparation of reference substance solution: accurately weigh the reference substance rhynchophylline, isorynchophylline, ...
Embodiment 2 9
[0082] Example 2 Quantitative detection method for components of Jiuwei Xifeng granules
[0083] 1. Chromatographic conditions and system adaptability test: use octadecylsilane bonded silica as filler (chromatographic column: Thermosyncronis C18 chromatographic column, column length is 250mm, inner diameter is 4.6mm, particle size is 5μm); using methanol as flow Phase A, with 0.05% triethylamine as mobile phase B, perform gradient elution as specified in Table 1 of Example 1; Flow rate is 1.2mL / min; Detection wavelength is 230nm; Column temperature is 30℃; The number of theoretical plates is as per hook The calculation of the caneline peak is not less than 5000.
[0084] 2. Preparation of reference substance solution: accurately weigh the reference substance rhynchophylline, isorynchophylline, rhynchophylline, and rhynchophylline, and add 80% ethanol to make rhynchophylline 45.05μg / mL , Isorhynchophylline 45.06μg / mL, Dehydrorhynchophylline 50.18μg / mL, Isorhynchophylline 50.29μg / mL...
Embodiment 3 9
[0087] Example 3 Quantitative detection method for components of Jiuwei Xifeng granules
[0088] 1. Chromatographic conditions and system adaptability test: use octadecylsilane bonded silica as filler (chromatographic column: Agilent5TC-C18 chromatographic column, column length is 250mm, inner diameter is 4.6mm, particle size is 5μm); with methanol As mobile phase A, with 0.15% triethylamine as mobile phase B, perform gradient elution as specified in Table 1 of Example 1; flow rate is 0.8mL / min; detection wavelength is 260nm; column temperature is 40°C; number of theoretical plates Calculated according to the rhynchophylline peak, not less than 5000.
[0089] 2. Preparation of reference substance solution: accurately weigh the reference substance rhynchophylline, isorynchophylline, rhynchophylline, and rhynchophylline, and add 80% ethanol to make rhynchophylline 45.05μg / mL , Isorhynchophylline 45.06μg / mL, Dehydrorhynchophylline 50.18μg / mL, Isorhynchophylline 50.29μg / mL as a mixed ...
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