Method for identifying six components in tendon-relaxing and blood-activating pills by UPLC-Q-TOF method
A technology of blood pills and formic acid, applied in the field of chemical analysis, can solve the problems of long analysis time and complicated extraction process, and achieve the effect of promoting effective extraction, simple method and high-quality chromatographic peak shape.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0044] Example 1 Sample pretreatment
[0045] 1) Prepare the test solution: 1 pill of Shujin Huoxue Pills, cut into pieces, add 5 g of diatomaceous earth, mix well and grind, then add 50 mL of anhydrous ethanol, ultrasonically treat for 20 min, filter, take 0.2 mL of the filtrate, add methanol The solution was diluted to 10 mL, shaken well, and filtered with a microporous membrane (0.22 μm), and the subsequent filtrate obtained was the test solution.
[0046] 2) Prepare the reference substance solution: take appropriate amounts of the reference substances of saponin VI, β-ecdysterone, naringin, amygdalin, catechin, ± protohematoxylin B respectively, accurately weigh them, and add methanol solution to prepare them respectively. A solution with a content of 2 μg / mL was obtained, and then filtered through a microporous membrane (0.22 μm), and the obtained subsequent filtrate was the reference solution.
[0047]3) Configure the negative reference solution: respectively according ...
Embodiment 2
[0049] Example 2 Screening of mobile phase
[0050] The chromatographic behavior and ionization degree of 6 compounds in the mobile phase of acetonitrile and different kinds of volatile buffers (0.1% formic acid, 0.02 mmol / L ammonium formate solution, 0.02 mmol / L ammonium formate solution containing 0.1% formic acid) were investigated impact, as follows:
[0051] 1. Chromatographic conditions
[0052] Chromatographic column: Waters ACQUITY UPLC BEH C18 (50×2.1 mm, 1.7 μm) chromatographic column; the column temperature is 30° C., the injection volume is 1 μL, and the volume flow rate is 0.3 mL / min.
[0053] ① Mobile phase A contains 0.1% formic acid in 0.02 mmol / L ammonium formate solution; mobile phase B contains 0.1% formic acid in acetonitrile.
[0054] ②Gradient elution 0~4min, mobile phase A90%-50%, mobile phase B10%-50%.
[0055] 2. Mass Spectrometry Conditions
[0056] Electrospray ionization negative ion mode; mass scanning range: 100~1000m / z; Q-TOF full scan (MS); ...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More 


