Preparation method of tamarind polysaccharide gel

A technology for tamarind polysaccharide gum and tamarind polysaccharide, which is applied in the field of polysaccharide gel, can solve the problems of not utilizing tamarind polysaccharide gel and the like, and achieve the effects of simple and fast preparation process, low cost and complicated preparation process.

Inactive Publication Date: 2019-04-05
RES INST OF TROPICAL ECO AGRI SCI YUNAN ACAD OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] The purpose of this invention is to provide a kind of preparation method of tamarind seed polysaccharide gel, this method has solved the problem th...

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  • Preparation method of tamarind polysaccharide gel
  • Preparation method of tamarind polysaccharide gel
  • Preparation method of tamarind polysaccharide gel

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preparation example Construction

[0038] (1) Preparation of tamarind seed kernel powder: soak tamarind seed seed in hot water, drain water, dry, peel off seed coat, pulverize, sieve, obtain tamarind seed kernel powder;

[0039] (2) Extraction of tamarind polysaccharide gum: Dissolve the tamarind seed kernel powder in hot water, stir at a constant temperature, centrifuge at a speed of 6000-12000 rpm after cooling, and collect the supernatant; if the centrifugal speed is less than 6000 rpm, The sedimentation of protein and impurities is not complete, and the centrifugation speed higher than 9000rpm will cause some tamarind polysaccharide gums to settle, reducing the extraction rate of tamarind polysaccharide gums;

[0040] (3) Purification of tamarind polysaccharide gum: add the same volume of absolute ethanol to the supernatant, stir, let stand, take out the precipitate and add absolute ethanol to soak and wash several times, remove the solvent, and obtain purified tamarind polysaccharide gum;

[0041] (4) Pul...

Embodiment 1

[0056] (1) Preparation of tamarind seed kernel powder: Soak tamarind seed and hot water for 24 hours according to the mass ratio of 1:2, drain the water, dry at 100°C for 48 hours, peel off the seed coat, crush it with a pulverizer, and pass through a 60-mesh sieve ,spare;

[0057] (2) Extraction of tamarind polysaccharide gum: Weigh 10g of tamarind seed kernel powder, put it into hot water at 85°C at a mass ratio of 1:50, stir with a magnetic stirrer at constant temperature for 50min, and cool it at a speed of 9000rpm Centrifuge and collect the supernatant;

[0058] (3) Purification of tamarind polysaccharide gum: add the same volume of absolute ethanol to the supernatant, fully stir it with a magnetic stirrer for 30 minutes, then let it stand still, take out the precipitate and add 50mL ethanol to soak and wash with a volume ratio of 1:2, gently Squeeze the precipitate, remove the solvent, and repeat the washing 4 times to obtain the purified tamarind polysaccharide gum. Th...

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Abstract

The invention discloses a preparation method of tamarind polysaccharide gel. The method includes the steps: soaking tamarind seeds into hot water, and performing drying, peeling, crushing and screening to obtain tamarind kernel powder; (2) dissolving the tamarind kernel powder in hot water, stirring mixture at constant temperature, cooling the mixture, centrifugally separating the cooled mixture,and collecting liquid supernatant; (3) adding absolute ethyl alcohol into the liquid supernatant, performing stirring and standing, soaking and cleaning precipitate, and removing solvents; (4) drying,crushing and screening purified tamarind polysaccharide gum; (5) adding water to dissolve the tamarind polysaccharide gum, adding glucose, stirring mixture at constant temperature, adding absolute ethyl alcohol until the final concentration of the ethyl alcohol is 15%, and performing standing and refrigerating at the temperature of 4 DEG C, or standing and freezing at the temperature of 18 DEG Cbelow zero, or standing at the temperature of 25 DEG C to obtain the tamarind polysaccharide gel. According to the method, tamarind seeds directly serve as raw materials, cost is low, and the preparedtamarind polysaccharide gel is high in purity, strength and specific retention and high in anti-pressure ability and has good application prospects.

Description

technical field [0001] The invention belongs to the field of polysaccharide gels, and relates to a preparation method of polysaccharide gels, in particular to a preparation method of tamarind polysaccharide gels. Background technique [0002] Tamarind (Tamarindus indica), also known as sour bean, tamarind, tamarind, etc., is a tropical tree of the genus Tamarindus in the Hemataceae family. Tamarind Polysaccharide Gum (Tamarind Polysaccharide Gum), also known as Tamarind Gum and Tamarind Polysaccharide, is a neutral hydrophilic polysaccharide mainly composed of D-galactose, D-xylose, and D-glucose. The endosperm of tamarind seed of leguminous family is roasted and then pulverized, and then refined by a special process, it is a kind of high-purity, light brown off-white powder. [0003] Tamarind polysaccharide gum has good acid resistance, alkali resistance, salt resistance, freezing and thawing resistance, and has the functions of emulsification, thickening, coagulation, wat...

Claims

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Application Information

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IPC IPC(8): C08J3/075C08L5/00C08B37/00
CPCC08B37/0087C08J3/075C08J2305/00
Inventor 杨晓琼何璐袁建民许智萍孔维喜瞿文林坝德昆
Owner RES INST OF TROPICAL ECO AGRI SCI YUNAN ACAD OF AGRI SCI
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