Method for screening radix peucedani component in lung ventilating and regulating preparation by adopting HPLC (High Performance Liquid Chromatography) method
A Xuanlifei Pill and screening technology, which is applied in the field of natural product testing, can solve problems affecting the quality of preparations, achieve the effects of ensuring clinical efficacy, reducing testing costs and time, and improving work efficiency
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Embodiment 1
[0033] Embodiment one: the establishment of detection method
[0034] 1. Instruments, reagents and materials
[0035] Instruments: Waters2695e high performance liquid chromatography, chromatographic workstation data processing system; Sartorius BP211D electronic analytical balance; ultrapure water system (MILLIPORE); ultrasonic cleaner (power 500W, frequency 40kHz).
[0036] Reagents: methanol is chromatographically pure (product of Fisher Scientific, USA); methanol is analytically pure (Sinopharm Chemical Reagent Co., Ltd.); water is ultrapure water; neutral alumina is used for chromatography (Chengdu Kelong Chemical Co., Ltd.) .
[0037] Materials: Prostinidin reference substance (batch number: 111821-201604, purity: 99.6%, for content determination), cantiflorin (for content determination, lot number: 111711-201703), cantiflorin (for content determination, Batch number: 111904-201804, 98.9%), the above reference substances were all purchased from China National Institutes...
Embodiment 2
[0064] Example 2, Tongxuanlifei pill sample detection
[0065] 1. The preparation and chromatographic conditions of the mixed reference solution are the same as above.
[0066] 2. Take Tongxuanli Fei Pills with batch number 20180512, and the sample preparation is the same as above.
[0067] 3. HPLC determination: Accurately draw 5 μl each of the mixed reference substance solution and the test solution, inject it into a high-performance liquid chromatograph, and measure it. According to the peak areas of prosperidin, proscurdin A and prosperidin B, the external standard method is adopted According to the calculated content, the contents of proscurdinin, prostinidin and prostinidin are 0.133mg / g, 0.324mg / g, and 0.128mg / g, respectively. Since the three characteristic components were detected at the same time in the HPLC chromatogram, it indicated that this batch of Tongxuanlifei Pills was fed with Zihua Qianhu, which may be a single feeding of Zihua Qianhu, or it may be a non-si...
Embodiment 3
[0068] Example three, Tongxuanli lung tablet sample detection
[0069] 1. The preparation and chromatographic conditions of the mixed reference solution are the same as above.
[0070] 2. Take Tongxuanli lung tablets with batch number 181001, and the sample preparation is the same as above.
[0071] 3. HPLC determination: Accurately draw 5 μl each of the mixed reference substance solution and the test solution, inject it into a high performance liquid chromatograph, measure, and do not detect prosarcoside, and use The content was calculated by the external standard method, and the contents of proscurdin and proscurdin were 0.321mg / g and 0.108mg / g, respectively. As the HPLC chromatograms detected the prosaldin and prosperidin, it indicated that this batch of Tongxuanlifei Tablets was fed with succulent, which may be a single or non-single variety of succulent.
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