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Preparation method of phoenix-tail fern fresh-squeezed freeze-dried powdery decoction piece

A technology of dry powder and preparation technology, which is applied in the field of processing technology of Pteris vulgaris decoction pieces, which can solve the problems of time-consuming and energy-consuming, large loss of active ingredients, and difficult extraction of non-polar active ingredients of medicinal materials, and achieve volume reduction , stable quality, good for storage and transportation and clinical adjustment

Inactive Publication Date: 2017-11-24
徐漫
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  • Summary
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Due to the time-consuming and energy-consuming extraction during the preparation of granule decoction pieces, and because water is often used as a solvent, it is difficult to extract the non-polar active ingredients in the medicinal materials
In addition, since the Pteris vulgaris medicinal materials used for extraction are also dried and stored for a long time, the loss of active ingredients is also great

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Wash the freshly collected phoenix herb, cut into 1cm-long sections, add water 0.5 times the weight of the medicinal material, stir for 15 minutes, and squeeze the juice while it is fresh. Add 2 times the amount of tap water to the obtained medicinal dregs, stir for 20 minutes, and press with a plate-and-frame filter press to extract the juice. The obtained medicinal dregs are squeezed with an extruder, and the medicinal juice is filtered. Combine the above-mentioned three times of Pteris japonicus juice, filter through a 60-mesh sieve, concentrate the filtrate under reduced pressure, and set the temperature at 60°C. When the relative density of the concentrated extract was 1.10, it was transferred to a -20°C refrigerator and frozen for 12 hours. Freeze drying was carried out after taking out the frozen material, the temperature was set at -18°C, the pressure was 0.09Mpa, and the time was 24 hours. Collect the freeze-dried product, pulverize it, pass through a 60-mesh...

Embodiment 2

[0014] Wash the freshly collected phoenix herb, cut into 2cm-long sections, add 1 times the weight of the medicinal material in water, stir for 30 minutes, and squeeze the juice while it is fresh. Add 5 times the amount of tap water to the obtained dregs, stir for 30 minutes, and press with a plate-and-frame filter press to extract the juice. The obtained medicinal dregs are squeezed with an extruder, and the medicinal juice is filtered. Combine the above-mentioned three times of Pteris japonicus juice, filter through a 100-mesh sieve, concentrate the filtrate under reduced pressure, and set the temperature to 70°C. When the relative density of the obtained concentrated extract was 1.05, it was transferred to a -20°C refrigerator and frozen for 8 hours. Freeze-dry after taking out the frozen material, the temperature is set at -40°C, the pressure is 0.09Mpa, and the time is 48 hours. Collect the freeze-dried product, pulverize it, pass through a 100-mesh sieve, pack it into ...

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Abstract

The invention discloses a preparation method of a phoenix-tail fern fresh-squeezed freeze-dried powdery decoction piece. The preparation method comprises phoenix-tail fern harvest, cleaning and selection, leaching, fresh-squeezing, drug juice filtration, mixing of drug dregs and water, drug dreg filtration and squeezing, drug juice mixing, reduced pressure concentration, and freeze drying. The phoenix-tail fern fresh-squeezed freeze-dried powdery decoction piece maximally retains polar and non-polar active ingredients of drugs, is easy to store, transport and blend, has controllable quality and reliable effects and has a significant meaning for guaranteeing the clinical efficacy of traditional Chinese medicine. The promotion and implementation of the preparation method produce prominent social significance and economic benefits.

Description

technical field [0001] The invention belongs to the field of processing of traditional Chinese medicinal materials, and in particular relates to a processing technology of decoction pieces of the traditional Chinese medicine Pteris vulgaris. Background technique [0002] The traditional Chinese medicine Pteris is the whole plant of Pteridaceae. It has the effects of clearing heat and dampness, cooling blood to stop bleeding, reducing swelling and detoxification, and is mainly used clinically to treat dysentery, enteritis, icteric hepatitis, hematemesis, blood in stool, hematuria and other diseases. [0003] The commonly used processing methods of Pteris vulgaris decoction pieces are: after harvesting, impurities are removed, dried in the sun, and directly packaged for storage and transportation. The hygienic indicators of these dried phoenix grasses cannot meet the standards, and the medicinal materials are prone to mildew, which leads to a decline in the quality of the med...

Claims

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Application Information

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IPC IPC(8): A61K36/12A61K9/14
CPCA61K36/12A61K9/14A61K2236/13A61K2236/31A61K2236/331A61K2236/39A61K2236/51
Inventor 徐漫
Owner 徐漫
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