Method for measuring content of oleanolic acid in glossy privet fruit and astragalus membranaceus healthy energy-strengthening preparation
A technology of oleanolic acid and Zhenqi Fuzheng, which is applied in the field of content determination of oleanolic acid in Zhenqi Fuzheng preparations, and can solve the problems of inability to form quality inspection standards and undisclosed oleanolic acid content determination, etc.
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Embodiment 1
[0067] Determination of the content of oleanolic acid in Zhenqi Fuzheng Capsules (prepared according to the method described in the example of invention patent 200310122216.7):
[0068] (1) Chromatographic conditions and system suitability test: octadecylsilane bonded silica gel is used as filler; acetonitrile: 0.05% phosphoric acid aqueous solution = 85:15 is used as mobile phase; flow rate is 0.8-1.0mL min -1 ;The detection wavelength is 215nm; the column temperature is 25°C; the number of theoretical plates calculated based on the oleanolic acid peak should not be less than 1000;
[0069] (2) Preparation of reference substance solution: Take an appropriate amount of oleanolic acid reference substance, weigh it accurately, add methanol to make 1 mg / mL oleanolic acid reference substance solution;
[0070] (3) Preparation of the test solution: Accurately weigh 14g of the contents of Zhenqi Fuzheng Capsules, accurately add 100mL of methanol, weigh, ultrasonically extract for 50...
Embodiment 2
[0073] Determination of the content of oleanolic acid in Zhenqi Fuzheng tablet (prepared according to the method described in the example of invention patent 200310122216.7):
[0074] (1) Chromatographic conditions and system suitability test: Octadecylsilane bonded silica gel is used as filler; methanol: 5% phosphoric acid aqueous solution = 85:15 is used as mobile phase; flow rate is 1.5mL min -1 ;The detection wavelength is 220nm; the column temperature is 40°C; the number of theoretical plates calculated based on the peak of oleanolic acid should not be less than 1000;
[0075] (2) Preparation of reference substance solution: Take an appropriate amount of oleanolic acid reference substance, weigh it accurately, add methanol to make 1 mg / mL oleanolic acid reference substance solution;
[0076] (3) Preparation of the test solution: Accurately weigh 14g of Zhenqi Fuzheng tablet, accurately add 100mL of methanol, weigh the weight, ultrasonically extract for 60min, make up the ...
Embodiment 3
[0079] Determination of the content of oleanolic acid in Zhenqi Fuzheng Granules (prepared according to the method described in the example of invention patent 200310122216.7):
[0080] (1) Chromatographic conditions and system suitability test: octadecylsilane bonded silica gel is used as filler; methanol: 0.01% phosphoric acid aqueous solution = 95:5 is used as mobile phase; flow rate is 0.5mL min -1 ; The detection wavelength is 200nm; the column temperature is 20°C; the number of theoretical plates calculated based on the peak of oleanolic acid should not be less than 1000;
[0081] (2) Preparation of reference substance solution: Take an appropriate amount of oleanolic acid reference substance, weigh it accurately, add methanol to make 1 mg / mL oleanolic acid reference substance solution;
[0082] (3) Preparation of the test solution: Accurately weigh 14g of Zhenqi Fuzheng Granules, accurately add 100mL of methanol, weigh the weight, ultrasonically extract for 30 minutes, ...
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