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A method for removing heavy metal ions in asparagus saponin extract

A technology of heavy metal ions and extracts, applied in chemical instruments and methods, glycosides, glycosides, etc., can solve problems such as environmental pollution, waste of resources, and chemical residues, and achieve the effects of reducing process burden, easy operation and control, and simple methods

Active Publication Date: 2018-04-20
HEFEI CHEMJOY POLYMER MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to overcome the disadvantages of existing macroporous resin chromatography, such as cumbersome process, easy to cause loss of active ingredients in asparagus saponin, residue of chemical agents in saponin extract, waste of resources, easy to cause environmental pollution, etc., the present invention Aim to provide a convenient and quick method for removing heavy metal ions in asparagus saponin extract to replace macroporous resin column chromatography

Method used

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  • A method for removing heavy metal ions in asparagus saponin extract

Examples

Experimental program
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Effect test

Embodiment 1

[0023] Such as figure 1 As shown, the present embodiment removes heavy metal ions in the asparagus saponin extract according to the following steps:

[0024] Get the asparagus raw material and extract and concentrate through organic solvent ethanol to obtain asparagus saponin extract 15L (mainly containing asparagus saponin and a small amount of heavy metal ions and pigments, etc., the pH value of the solution is about 5.4, the conductivity is about 11.65mS / cm, and the solid content is 9.0%);

[0025] Set up the electrodialysis unit, such as figure 1 As shown, the electrodialysis device is composed of desalination chamber material tank 2, concentration chamber material tank 1, electrode chamber material tank 3, membrane module 4, three circulating pumps 6, DC power supply 5 and pipelines; the membrane module is composed of anode, cathode and Composed of cation exchange membranes, spacers, and anion exchange membranes that are alternately stacked in sequence to form an anode ...

Embodiment 2

[0031] In this example, heavy metal ions in the asparagus saponin extract were removed in the same manner as in Example 1, the only difference being that the pH value of the asparagus saponin extract used was about 5.3, the conductivity was about 10.52 mS / cm, and the solid content was 8.2%; During electrodialysis, the control voltage is 60V.

[0032] The operation time of the whole process of this embodiment is 60min, the removal rate of heavy metal ions is 99.05%, and the recovery rate of asparagus saponin is 59.6%.

Embodiment 3

[0034] In this example, the heavy metal ions in the asparagus saponin extract were removed in the same manner as in Example 1, the only difference being that the pH value of the asparagus saponin extract used was about 5.4, the conductivity was about 9.25mS / cm, and the solid content was 7.2%; During electrodialysis, the control voltage is 70V.

[0035] The operation time of the whole process of this embodiment is 60min, the removal rate of heavy metal ions is 99.12%, and the recovery rate of asparagus saponin is 58.6%.

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Abstract

The invention discloses a method for removing heavy metal ions from asparagus saponin extraction liquid. The method is characterized in that heavy metal ions in asparagus saponin extraction liquid are effectively removed by virtue of an electroosmosis technique; an asparagus raw material is extracted and concentrated by virtue of an organic solvent to obtain the asparagus saponin extraction liquid, the concentration of the asparagus saponin extraction liquid is adjusted to meet operation requirements, the asparagus saponin extraction liquid enters a desalting chamber of an electroosmosis device to be subjected to circular electroosmosis, a concentration chamber is filled with running water, and an electrode chamber is filled with electrode liquid; the operation temperature is controlled below 35 DEG C, the operation voltage is 40V-100V, and the heavy metal ions in the asparagus saponin extraction liquid are removed. By virtue of the method, the heavy metal ions in the asparagus saponin extraction liquid are effectively removed, and meanwhile, the high yield of products is guaranteed; the method is a relatively efficient and environment-friendly method.

Description

technical field [0001] The invention relates to a new method for removing heavy metal ions in an asparagus saponin extract, belonging to the field of preparation of natural medicinal components. Background technique [0002] Asparagus is a nutritious food with low calorie, low fat and high amino acid content, and it is one of the top ten famous dishes in the world. Modern nutritional analysis shows that asparagus contains flavonoids, saponins, steroids, amino acids, multivitamins, selenium, zinc, iron, protein, polysaccharides and other nutrients. Therefore, long-term consumption of asparagus can increase appetite, help digestion, and alleviate the pain. Fatigue, beneficial to the spleen and stomach, but also has the effects of lowering blood fat, lowering blood pressure, softening blood vessels, diuresis, sedation, strengthening body and beautifying. At the same time, asparagus has certain curative effect on almost all cancers. [0003] Asparagus saponin is a natural comp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D61/44C07G3/00A61K36/899A61P37/04A61P3/06A61P35/00
CPCA61K36/899A61K2236/55B01D61/44C07G3/00
Inventor 汪耀明李为吴亮李传润颜海洋张勤徐铜文
Owner HEFEI CHEMJOY POLYMER MATERIALS CO LTD
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