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Process method for synchronously producing pueraria starch and pueraria flavonoid

A technology of Pueraria starch and Pueraria flavonoids, which is applied in the field of extraction of medicinal plant components, can solve the problems of waste of resources, failure to obtain starch at the same time, and low waste utilization rate, and achieve the effects of resource conservation and environmental protection

Inactive Publication Date: 2011-05-18
SICHUAN MULANJUN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing production process of Pueraria flavonoids, starch is not obtained at the same time
However, the production process of kudzu root starch only focuses on obtaining the single product of starch, but fails to produce kudzu root flavonoids simultaneously, resulting in a great waste of resources
[0008] Although there are also reports in the literature on the simultaneous production of kudzu flavonoids in the production of kudzu starch, but because only waste water is used in the process, the utilization of medicinal residues is ignored, and the crude product cannot be treated with macroporous adsorption resin in the production process. Refining and purification have also caused many problems such as low waste utilization rate and low content of active ingredients in products

Method used

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  • Process method for synchronously producing pueraria starch and pueraria flavonoid

Examples

Experimental program
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Effect test

Embodiment 1

[0023] Get 100kg of fresh kudzu root raw material, rough wash with water, remove silt; Wash again, remove the waste water that cleans silt; Raw material is carried out preliminary pulverization, and raw material piece adds water to pulverize (milling) again, and water consumption is 10 times of raw material; Carry out powder sieving and slag removal, the filter screen aperture is 120 mesh, and the filtrate is water-containing starch slurry, and the kudzu root residue is separated and dried for later use; the kudzu root starch slurry is separated to remove protein, and the separated waste water is set aside; the kudzu root starch concentration The pulp is dehydrated, dried with steam, and dried to obtain 17 kg of pueraria starch, the starch water content is less than 14%, and the powder yield is 17%.

Embodiment 2

[0025] Get fresh kudzu root raw material 100kg, rough wash with water, remove silt; Wash again, and remove the waste water that cleans silt; Pueraria lobata raw material is carried out preliminary pulverization, and raw material fragment adds water and pulverizes (milling) again, and water consumption is 10% of raw material. times; carry out powder sieving and slag removal, the filter screen aperture is 120 mesh, the filtrate is water-containing starch slurry, and the kudzu root residue is separated by filtration and dried for later use. Use 60% ethanol as the extraction solvent, the material ratio is 1:10, the solvent is added in two times, heated and refluxed in the reflux extraction vessel for two extractions, the extract is filtered, the extracts are combined, concentrated and ethanol is recovered, and the extract is concentrated to 12L, on a macroporous adsorption resin column, the column height-to-diameter ratio is 5:1; the filling material is D-101 resin, and the resin d...

Embodiment 3

[0027] Get 100kg of fresh kudzu root raw material, rough wash with water, remove silt; Wash again, remove the waste water that cleans silt; Raw material is carried out preliminary pulverization, and raw material piece adds water to pulverize (milling) again, and water consumption is 10 times of raw material; Sieve powder and remove slag, the pore size of the filter screen is 120 mesh, the filtrate is aqueous starch slurry, the kudzu root residue is separated, dried, and used for later use; the kudzu root starch slurry is separated to remove protein, and the separated waste water is used for later use. Collect the separated waste water, which is about 700L. The waste water is left to settle, and the supernatant is absorbed and passed directly through the macroporous adsorption resin column. The filler is D-101 resin; the column height-to-diameter ratio is 5:1; Wet packing column volume meter); after the waste water passes through the resin, the flavonoids are adsorbed in the res...

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Abstract

The invention discloses a process method for synchronously producing pueraria starch and pueraria flavonoid. The process method is characterized by comprising the following steps of: adding water to clean a fresh pueraria raw material, crushing the fresh pueraria raw material after cleaning, and adding water to grind the raw material into thick liquid, wherein the ratio of liquid to the raw material is 1:10; screening powder to remove residues by adopting a filter method to obtain pueraria starch slurry and pueraria residues mainly comprising fibers respectively, and drying the pueraria residues for later use; performing centrifugal separation on the pueraria starch slurry to remove protein and separate waste water, and collecting the waste water for later use; performing centrifugal dewatering and drying on the starch thick slurry after removing the protein and the waste water through separation to obtain the pueraria starch; soaking the pueraria residues obtained by the step (2) in ethanol, and performing reflux extraction, and condensing the extracting solution to obtain pueraria crude total flavonoid; standing the waste water obtained by the step (3) for deposition, taking supernatant fluid, and performing column chromatography through macro-porous polymeric adsorbent to adsorb the flavonoid; eluting the flavonoid through a resin column by using ethanol, and concentrating the eluant to obtain the pueraria crude total flavonoid.

Description

technical field [0001] The invention relates to the extraction of medicinal plant components, in particular to a method for extracting and refining the starch in the traditional Chinese medicine kudzu root and the kudzu root flavonoid, which is a medicinal component. Background technique [0002] Pueraria lobata (Willd) Ohwi, Pueraria lobata (Willd) Ohwi, P.thomsonii Benth. In addition to the above-mentioned varieties recorded in the "Chinese Pharmacopoeia", there are also roots of edible Pueraria edulis Pamp, P.omeiensis Wang et Tang, and P.phoseoloides (Roxb.) Benth. of the same genus. , used as kudzu root in some parts of the country. [0003] Pueraria lobata is a commonly used traditional Chinese medicine. Traditional Chinese medicine believes that it has the functions of relieving muscle and reducing fever, promoting body fluid, clearing rash, promoting yang and relieving diarrhea. It is used for exogenous fever and headache, stiff neck and back pain, thirst, thirst, ...

Claims

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Application Information

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IPC IPC(8): C08B30/00A61K36/48A61P7/02A61P9/10
Inventor 蒲炜
Owner SICHUAN MULANJUN BIOTECH
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