Method for establishing fingerprint spectrum of medicinal preparation of decumbent bugle herb
A technology of pharmaceutical preparations and fingerprints, which is applied in pharmaceutical formulations, medical preparations containing active ingredients, plant raw materials, etc., can solve problems such as singleness, and achieve the effects of avoiding interference, good repeatability, and increasing specificity.
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Embodiment 1
[0073] In the following examples and experimental examples, the preparation method of the Herbs sinensis formula granules is as follows: take the Herbs sinensis, heat and reflux extraction twice, add 12 times the amount of water by weight for the first time to extract for 30 minutes, and add 10 times the amount of water by weight for the second time Extract for 25 minutes, filter, combine the filtrates, concentrate the filtrate to a relative density of 1.06-1.12 at 60°C, add conventional excipients, and make granules according to conventional processes.
Embodiment 2
[0075] The present embodiment establishes the method for the finger-print of the Herb Grass Formula Granules, comprising the following steps:
[0076] (1) Take 0.4g of the medicinal preparation of Herba sinensis to be tested, accurately weighed, accurately add 25mL of 50% (v / v) methanol aqueous solution, weigh the weight, extract by ultrasonic for 30 minutes, let it cool, weigh again, take 50 % (v / v) methanol aqueous solution to supplement the lost weight, shake up, filter, and get the subsequent filtrate as the test solution;
[0077] (2) Accurately weigh the reference substance of harpaside, add 50% (v / v) methanol aqueous solution to make a solution containing 0.0002g per 1mL, shake well, and use it as the reference substance A solution;
[0078] Accurately weigh the acetylharpaside reference substance, add 50% (v / v) methanol aqueous solution to make a solution containing 0.0002g per 1mL, shake well, and use it as the reference substance B solution;
[0079] (3) Chromatogra...
Embodiment 3
[0083] The present embodiment establishes the method for the finger-print of the Herb Grass Formula Granules, comprising the following steps:
[0084] (1) Take 0.3 g of the medicinal preparation of Herba chinensis to be tested, accurately weighed, accurately add 20 mL of 60% (v / v) methanol aqueous solution, weigh the weight, extract under reflux for 40 minutes, let it cool, weigh again, and take 60% (v / v) methanol aqueous solution to make up the lost weight, shake well, filter, and get the subsequent filtrate as the test solution;
[0085] (2) Accurately weigh the reference substance of harpaside, add 60% (v / v) aqueous methanol solution, shake well, and use it as the reference substance A solution; each 1mL of the reference substance A solution contains 0.0002g of harpaside;
[0086] Accurately weigh the acetylharpaside reference substance, add 60% (v / v) methanol aqueous solution, shake well, and use it as the reference substance B solution; each 1mL reference substance B solu...
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