Traditional Chinese medicinal extract for treating migraine, and preparation method and application thereof
A technology of extracts and traditional Chinese medicines, applied in the field of traditional Chinese medicine extracts for the treatment of migraine, can solve problems such as unfavorable therapeutic effects, unknown side effects, and influence on drug efficacy, and achieve the effects of reducing blood viscosity, no toxic side effects, and outstanding therapeutic effects
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[0027] 1. Preparation of standard solution
[0028] Accurately weigh about 25mg of glucose dried to constant weight at 105°C, place it in a 250mL volumetric flask, add water to dissolve it, adjust the volume to the mark with water, shake well, and the glucose concentration in the prepared standard solution is about 0.1mg / mL.
[0029] 2. Preparation of Chinese medicine extract (test sample) solution
[0030] Take about 50 mg of the test sample, weigh it accurately, add 40 mL of water to dissolve, quantitatively transfer to a 250 mL volumetric flask, and add water to dilute to the mark.
[0031] 3. Measurement method
[0032] 3.1 Determination of standard curve
[0033] Precisely measure 0.2mL, 0.4mL, 0.6mL, 0.8mL, 1.0mL of the reference substance solution, put them into stoppered test tubes respectively, and add water to make up to 2.0mL;
[0034] Add 1mL of 5% phenol solution to each solution, shake well, quickly and precisely add 5mL of sulfuric acid, shake well, let it st...
Embodiment 1
[0069] The Chinese medicine extract described in the present embodiment is extracted according to the following steps:
[0070] (1) Squeeze extraction: sort the fresh betel nuts, clean them, crush them, and squeeze them with physical methods at 50°C to obtain fruit juices. The juices are processed to obtain clarified juices, and the residues are combined for later use;
[0071] (2) Residue extraction: Add 5 times the weight of the residue in water to the collected residue and mix evenly, add 0.1wt% low-temperature cellulase that accounts for the weight percentage of the residue for biolysis, and add hydrochloric acid to adjust the pH of the reaction solution Value 5, after standing for 8 hours, centrifuged at 10000rpm to obtain extract;
[0072] (3) Dehydration: Combine the extract obtained in step (2) and the fruit juice obtained in step (1), dehydrate by low-temperature decompression concentration, obtain solids, and pass through 60 meshes to pulverize, test, and obtain the ...
Embodiment 2
[0075] The Chinese medicine extract described in the present embodiment is extracted according to the following steps:
[0076] (1) Squeeze extraction: sort the fresh betel nuts, clean them, crush them, and squeeze them by physical methods at 20°C to obtain fruit juices. The juices are processed to obtain clarified juices, and the residues are combined for later use;
[0077] (2) Residue extraction: Add 3 times the weight of the residue to the collected residue and mix well, add 0.05wt% low-temperature cellulase that accounts for the weight percentage of the residue for biolysis, and add hydrochloric acid to adjust the pH of the reaction solution value 2, after standing for 12 hours, centrifuged at 6000rpm to obtain the extract;
[0078] (3) Dehydration: Combine step (2) obtained extract and step (1) obtained fruit juice, adopt the low-temperature decompression concentration mode to carry out dehydration, obtain solid matter, and cross 30-120 order pulverization, check, prompt...
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