Method for detecting content of alpha-homonojirimycin in suregade glomerulata medicinal material
The invention provides a method for detecting the content of alpha-homonojirimycin in a suregade glomerulata medicinal material. The method comprises the following steps: preparing a reference substance solution, namely, precisely weighing an alpha-nojirimycin reference substance, and adding a solve...
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| creator | WU ZHENGJUN DAI ZHI YUAN QINFEN LI QIONGYA HAN XIAOQIANG DUAN JUANHUI LI WENYAN XU BING WANG YONG WANG HONGQING MA PENGGANG |
| description | The invention provides a method for detecting the content of alpha-homonojirimycin in a suregade glomerulata medicinal material. The method comprises the following steps: preparing a reference substance solution, namely, precisely weighing an alpha-nojirimycin reference substance, and adding a solvent for dissolving to obtain the reference substance solution with required concentration; preparinga test solution, namely, taking suregade glomerulata medicinal material powder to be detected, adding an extraction solvent for extracting, carrying out centrifuging, taking a supernatant, and fixingthe volume to obtain the test solution; and carrying out content determination, namely, determining the peak areas of the alpha-homonojirimycin in the reference substance solution and the test solution through a liquid chromatography-tandem mass spectrometry method, and calculating the content of the alpha-homonojirimycin in the suregade glomerulata medicinal material according to an external standard method. According to |
| format | Patent |
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The method comprises the following steps: preparing a reference substance solution, namely, precisely weighing an alpha-nojirimycin reference substance, and adding a solvent for dissolving to obtain the reference substance solution with required concentration; preparinga test solution, namely, taking suregade glomerulata medicinal material powder to be detected, adding an extraction solvent for extracting, carrying out centrifuging, taking a supernatant, and fixingthe volume to obtain the test solution; and carrying out content determination, namely, determining the peak areas of the alpha-homonojirimycin in the reference substance solution and the test solution through a liquid chromatography-tandem mass spectrometry method, and calculating the content of the alpha-homonojirimycin in the suregade glomerulata medicinal material according to an external standard method. 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The method comprises the following steps: preparing a reference substance solution, namely, precisely weighing an alpha-nojirimycin reference substance, and adding a solvent for dissolving to obtain the reference substance solution with required concentration; preparinga test solution, namely, taking suregade glomerulata medicinal material powder to be detected, adding an extraction solvent for extracting, carrying out centrifuging, taking a supernatant, and fixingthe volume to obtain the test solution; and carrying out content determination, namely, determining the peak areas of the alpha-homonojirimycin in the reference substance solution and the test solution through a liquid chromatography-tandem mass spectrometry method, and calculating the content of the alpha-homonojirimycin in the suregade glomerulata medicinal material according to an external standard method. 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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Method for detecting content of alpha-homonojirimycin in suregade glomerulata medicinal material |
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