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Preparation method of Capparis spinosa. L selenium polysaccharides

The technology of wild watermelon and selenium polysaccharide is applied in the field of preparation of wild watermelon selenium polysaccharide, which can solve the problems of low antitumor activity and the like, and achieve the effects of simple preparation method, improved GSH-Px activity, and easy operation of the preparation method.

Active Publication Date: 2017-04-26
HARBIN UNIV OF COMMERCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The purpose of the present invention is to provide a preparation method of wild watermelon selenium polysaccharide in order to solve the problem of low antitumor activity of wild watermelon polysaccharide

Method used

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  • Preparation method of Capparis spinosa. L selenium polysaccharides
  • Preparation method of Capparis spinosa. L selenium polysaccharides
  • Preparation method of Capparis spinosa. L selenium polysaccharides

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specific Embodiment approach 1

[0038] Specific embodiment one: the preparation method of a kind of wild watermelon selenium polysaccharide of the present embodiment carries out according to the following steps:

[0039] 1. Extraction of wild watermelon polysaccharide: dry wild watermelon, then add 95% ethanol for alcohol precipitation, alcohol precipitation 3 times, and obtain alcohol precipitation polysaccharide after drying; the alcohol precipitation temperature is 80-100 °C, and the alcohol precipitation time is 2h ~4h;

[0040] 2. Preparation of wild watermelon crude polysaccharide: add water to the alcohol-precipitated polysaccharide obtained in step 1 to extract, dehydrate the extract, then elute with absolute ethanol, acetone and benzene successively, and obtain wild watermelon with a polysaccharide content of 80% after drying. Watermelon crude polysaccharide;

[0041] 3. Deproteinization of wild watermelon crude polysaccharide: ①Dissolve the wild watermelon crude polysaccharide with a polysaccharid...

specific Embodiment approach 2

[0050] Embodiment 2: This embodiment differs from Embodiment 1 in that: the alcohol precipitation temperature in step 1 is 90° C., and the alcohol precipitation time is 3 hours. Other steps and parameters are the same as those in the first embodiment.

specific Embodiment approach 3

[0051] Specific embodiment 3. This embodiment differs from specific embodiment 1 or 2 in that it is characterized in that in step 3 ②, the enzymolysis reaction is carried out in a water bath at a temperature of 60° C. for 2 hours. Other steps and parameters are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a preparation method of Capparis spinosa. L selenium polysaccharides. The purpose of the invention is to solve the problem of low antitumor activity of present Capparis spinosa. L polysaccharides. The method comprises the following steps: 1, extracting Capparis spinosa. L polysaccharides; 2, preparing crude Capparis spinosa. L polysaccharides; 3, removing proteins from the crude Capparis spinosa. L polysaccharides; 4, removing pigments and micro-molecular substances from the crude Capparis spinosa. L polysaccharides; 5, carrying out alcohol precipitation on the Capparis spinosa. L polysaccharides; 6, finely extracting the Capparis spinosa. L polysaccharides; and 7, selenizing the Capparis spinosa. L polysaccharides. The preparation method has the advantages of simplicity, easiness in operation, and low cost. The obtained Se-CSPS can substantially inhibit growth of tumors, and the inhibition rate reaches up to 61.08%.

Description

technical field [0001] The invention relates to a preparation method of wild watermelon selenium polysaccharide. Background technique [0002] Natural selenium polysaccharides exist in plants, animals and microorganisms. These selenium-rich organisms are mainly distributed in selenium-rich regions such as Northwest and Southwest my country, especially in the Enshi region, which is the only proven independent selenium deposit in the world. Plants and microorganisms in selenium-rich areas convert inorganic selenium into organic selenium by absorbing selenium in the soil, store it in the form of selenium polysaccharides, selenoproteins, etc., and enter animals through the food chain. However, since selenium is a scattered element, its distribution is scattered and its content is scarce in nature, and these animals, plants and microorganisms are restricted by factors such as climate, region, and biotransformation rate, so in general, natural selenium polysaccharides are less and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/00A61P35/00
CPCC08B37/00C08B37/0003
Inventor 季宇彬于淼綦峥辛国松
Owner HARBIN UNIV OF COMMERCE
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