Application of Huajuhong Extract in the Preparation of Medicines for Prevention and Treatment of Acute Attack of Chronic Obstructive Pulmonary Disease Induced by PM2.5 Particles
A chronic obstructive pulmonary disease and orange-red technology, applied in application, drug combination, respiratory system diseases, etc., achieves the effect of low cost, definite curative effect, and simple preparation method
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Embodiment 1
[0013] Embodiment 1: the preparation of total flavonoids extract of orange red
[0014] The preparation method of the total flavonoid extract of Huajuhong is as follows: take the medicinal material of Huajuhong, decoct it with water, filter it, concentrate the decoction to a relative density of 1.05-1.30, add ethanol or (and) methanol for alcohol precipitation, and precipitates appear , filtered, and the filtrate was recovered from alcohol to an alcohol-free extract, and water was added to adjust the relative density to 1.05-1.15. After standing for more than 3 days, a precipitate was precipitated, filtered, and the precipitate was obtained. Drying is the extraction of total flavonoids of Huajuhong thing.
[0015] The method for determining the total flavonoid content of the total flavonoids extract of Huajuhong is as follows: the content is determined by the method contained in the first part of the "Chinese Pharmacopoeia" 2010 edition under the item of Huajuhong. That is, t...
Embodiment 2
[0019] Example 2: Inhibitory effect of the total flavonoid extracts of Citrus Red on PM2.5-induced exacerbation of airflow limitation during acute exacerbation of COPD.
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