Detection method used for rapid identification of paris polyphylla var. yunnanensis saponin composition, and applications thereof
A detection method, the technology of Dianzhonglou, is applied in measurement devices, instruments, scientific instruments and other directions, which can solve the problems of time-consuming research and expensive analysis, and achieve the effects of low detection cost, high quality accuracy and high recognition efficiency.
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Embodiment 1
[0014] a. Sample extraction: Accurately weigh 0.2 g of Scutellaria dioica sample, dissolve it in 5 ml of methanol, extract it ultrasonically for 30 minutes, make a sample solution containing 0.04 g / ml of Scutellaria dianthus saponin, and measure after centrifuging through a 0.2 μm filter membrane;
[0015] b. Liquid chromatography conditions:
[0016] Instrument: Ultra High Phase Liquid Chromatography
[0017] Chromatographic column: C18 column (150×2.1mm, 5μm)
[0018] Mobile phase: A is water phase: pure water, B is organic phase: acetonitrile
[0019] Gradient condition:
[0020]
[0021] Flow rate: 0.4mL / min, injection volume: 10μL, detection wavelength: 203nm, column temperature: 30°C
[0022] c. Mass Spectrometry Conditions
[0023] Instrument: Quadrupole-Electrostatic Field Orbitrap High Resolution Mass Spectrometry
[0024] Mass spectrometry parameters: ionization mode HESI (+), spray voltage +3.2KV / -3.0KV, sheath gas 40arb, auxiliary gas 10arb, capillary heati...
Embodiment 2
[0034] a. Sample extraction: Accurately weigh 0.2 g of Scutellaria dioica sample, dissolve it in 5 ml of methanol, extract it ultrasonically for 30 minutes, make a sample solution containing 0.04 g / ml of Scutellaria dianthus saponin, and measure after centrifuging through a 0.2 μm filter membrane;
[0035] b. Liquid chromatography conditions:
[0036] Instrument: Ultra High Phase Liquid Chromatography
[0037] Chromatographic column: C18 column (150×2.1mm, 5μm)
[0038] Mobile phase: A is water phase: pure water, B is organic phase: acetonitrile
[0039] Gradient condition:
[0040]
[0041] The flow rate is 0.1min, the detection wavelength is 190nm, the injection volume is 2μL, and the column temperature is controlled at 20°C;
[0042] c. Mass Spectrometry Conditions
[0043] Instrument: Quadrupole-Electrostatic Field Orbitrap High Resolution Mass Spectrometry
[0044] Mass spectrometry parameters: ionization mode HESI (+), spray voltage +3.2KV / -3.0KV, sheath gas 40ar...
Embodiment 3
[0047] a. Sample extraction: Accurately weigh 0.2 g of Scutellaria dioica sample, dissolve it in 5 ml of methanol, extract it ultrasonically for 30 minutes, make a sample solution containing 0.04 g / ml of Scutellaria dianthus saponin, and measure after centrifuging through a 0.2 μm filter membrane;
[0048] b. Liquid chromatography conditions:
[0049] Instrument: Ultra High Phase Liquid Chromatography
[0050] Chromatographic column: C18 column (150×2.1mm, 5μm)
[0051] Mobile phase: A is water phase: pure water, B is organic phase: acetonitrile
[0052] Gradient condition:
[0053]
[0054] The flow rate was 0.8min, the detection wavelength was 210nm, the injection volume was 20μL, and the column temperature was controlled at 45℃.
[0055] c. Mass Spectrometry Conditions
[0056] Instrument: Quadrupole-Electrostatic Field Orbitrap High Resolution Mass Spectrometry
[0057] Mass spectrometry parameters: ionization mode HESI (+), spray voltage +3.2KV / -3.0KV, sheath gas ...
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