Method for detecting piperine in Chinese patent medicine for weight loss and health food
A technology of health food and detection method, which is applied in the field of medical detection, and can solve the problems of undetermined dosage, no screening and quantitative methods, etc.
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Embodiment 1
[0082] A method for detecting piperine in weight-loss Chinese patent medicines and health foods, comprising the following steps:
[0083] (1) Chromatographic conditions:
[0084] Chromatographic column: ACQUITY UPLC®HSS T3, 100mm×2.1mm, 1.8μm; detector: diode array detector; detection wavelength: 340nm; scanning wavelength range 190-400nm; mobile phase: A-0.1% formic acid solution, B- 0.1 % formic acid-acetonitrile; flow rate: 0.3mL / min; column temperature: 30℃; injection volume: 1μL; elution gradient program: 0-2min, 10%B; 7-9min, 90%B; %B;
[0085] Mass Spectrometry Conditions:
[0086] Electrospray positive ion mode; Capillary voltage: 3500V; Drying gas flow rate: 10.0L / min; Atomizing gas pressure: 40psig; Drying gas temperature: 350°C; Fragmentation voltage: 135V; Mass spectrometry; acquisition mode: targetMS; parent ion: 286.1453, retention time: 6.04min (chromatogram), 6.15min (mass spectrogram); collision energy: 15V, 30V; mass spectrometry scanning range: 50-1700; ...
Embodiment 2
[0096] A method for detecting piperine in weight-loss Chinese patent medicines and health foods, comprising the following steps:
[0097] (1) Chromatographic conditions:
[0098] Chromatographic column: ACQUITY UPLC®HSS T3, 100mm×2.1mm, 1.8μm; detector: diode array detector; detection wavelength: 340nm; scanning wavelength range 190-400nm; mobile phase: A-0.1% formic acid solution, B-0.1 % formic acid-acetonitrile; flow rate: 0.3mL / min; column temperature: 30℃; injection volume: 1μL; elution gradient program: 0-2min, 10%B; 7-9min, 90%B; %B;
[0099] Mass Spectrometry Conditions:
[0100] Electrospray positive ion mode; Capillary voltage: 3500V; Drying gas flow rate: 10.0L / min; Atomizing gas pressure: 40psig; Drying gas temperature: 350°C; Fragmentation voltage: 135V; Mass spectrometry; acquisition mode: targetMS; parent ion: 286.1453, retention time: 6.04min (chromatogram), 6.15min (mass spectrogram), collision energy: 15V, 30V; mass spectrometry scanning range: 50-1700;
...
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