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Method for preparing soluble plantain seed dietary fiber and application thereof

A dietary fiber and soluble technology, which is applied in the field of preparation of psyllium soluble dietary fiber, can solve the problems of poor water resolubility, dark color and low purity of psyllium soluble dietary fiber, and achieve good water resolubility, high purity, The effect of simple process operation

Inactive Publication Date: 2010-06-30
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Existing open technology Chinese patent at present: publication number is CN101269124A " a kind of plantago polysaccharide oral preparation, preparation method and application " patent document adopts microwave extraction, and the amount of water added is 10-15 times of plantago weight, then concentrates, Then add 2 times the weight of absolute ethanol for alcohol precipitation. This method directly uses a large amount of absolute ethanol for precipitation, making the ethanol mass concentration as high as 66.7%. The psyllium soluble dietary fiber will wrap a large amount of water-soluble Sexual impurities, the prepared psyllium soluble dietary fiber has a darker color, lower purity, and poor water resolubility

Method used

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  • Method for preparing soluble plantain seed dietary fiber and application thereof
  • Method for preparing soluble plantain seed dietary fiber and application thereof
  • Method for preparing soluble plantain seed dietary fiber and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0017] Weigh 490g of psyllium seeds that have been sieved and removed, add 9.8L of water, extract at 100°C for 3h, twice, filter while hot, combine the filtrate, concentrate to a specific gravity of 1.07, add chlorination to 3% of the weight of the concentrate Sodium, stir to make it dissolve completely, let it cool, then add ethanol to precipitate under stirring, so that the mass concentration of ethanol reaches 30%, let stand for alcohol precipitation, centrifuge, wash with a small amount of 85% ethanol, vacuum dry, and crush through a 120-mesh sieve. 39.1 g of psyllium seed soluble dietary fiber raw material powder was obtained, with a yield of 7.68% and a purity of 88.1%.

Embodiment 2

[0019] Weigh 650g of psyllium seeds that have been sieved and removed, add 6.5L of water, extract at 100°C for 2.5h, twice, filter while hot, combine the filtrate, concentrate to a specific gravity of 1.04, add chlorine according to 7% of the weight of the concentrate ammonium chloride, stir to make it completely dissolve, let it cool, then add ethanol to precipitate under stirring, and make the mass concentration of ethanol reach 55%, let it stand for alcohol precipitation, centrifuge, wash with a small amount of 85% ethanol, add water to redissolve, and get the car Precursor soluble dietary fiber raw material solution.

Embodiment 3

[0021] Weigh 470g of psyllium seeds that have been sieved and removed, add 2.35L of water, extract at 80°C for 1 hour, once, filter while hot, combine the filtrate, concentrate to a specific gravity of 1.02, and add calcium chloride according to 1.25% of the weight of the concentrate , stir to make it completely dissolve, let it cool, then add ethanol to precipitate under stirring, and make the mass concentration of ethanol reach 36%, let it stand for alcohol precipitation, centrifuge, wash the precipitate with a small amount of 85% ethanol, freeze-dry, and crush through 120 mesh Sieve to get 21.1g of Semen Plantago soluble dietary fiber raw material powder, the yield is 4.5%, and the purity is 89.3%.

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Abstract

The invention provides a method for preparing soluble plantain seed dietary fiber and application thereof. The method is characterized by comprising the following steps: (1) subjecting plantain seed to sieving, impurity removal and hot-water extraction; (2) combining and concentrating the water extract until the specific gravity thereof is 1.02 to 1.10, adding soluble salts with the concentration thereof being 0.3% to 7%, further adding ethanol precipitation until the concentration thereof reaches 30% to 55%, and subjecting the precipitation to centrifugal separation and ethanol (85%) rinsing; and (3) drying and grinding the precipitation in step (2) to obtain the soluble plantain seed dietary fiber powder or the plantain seed dietary fiber solution. The invention has the following advantages: 1, the method is capable of removing most soluble impurities, so the obtained soluble plantain seed dietary fiber has lighter color, higher purity and better water-solubility; compared with the ethanol precipitation with the mass concentration thereof being adjusted to 66.7%, the ethanol for ethanol precipitation can be saved by 55% under the optimal conditions; and the added salts or acids for ethanol precipitation are food additives, so the product subjected to ethanol precipitation and rinsing is almost residue-free; 2, the prepared soluble plantain seed dietary fiber is applicable to food, health-care food or drug achieving the effects of moistening the intestine and relaxing the bowel; and 3, the process has the advantages of simple operation, water-saving, energy-saving and environment-friendly application, so the method is applicable to industrialized production.

Description

technical field [0001] The invention relates to a preparation method and application of dietary fiber, in particular to a preparation method and application of psyllium seed soluble dietary fiber. Background technique [0002] Dietary fiber refers to carbohydrate polymers that cannot be digested and absorbed in the small intestine. Its degree of polymerization (DP) is not less than 3. It has many important physiological functions for human health. The "seventh nutrient" that is juxtaposed with nutrients is classified into soluble dietary fiber and insoluble dietary fiber according to its solubility in hot water. The essence of psyllium soluble dietary fiber is polysaccharide, which is a nutritious food with special physiological and health functions, which can supplement the dietary fiber needed by the human body. To prevent constipation, due to ion exchange and colloid formation, it reduces the absorption of toxic and carcinogenic substances, regulates cholesterol levels, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/28A23L1/308A61K36/68A61P1/10A61P3/06A23L33/10A23L33/105A23L33/21
Inventor 田颖刚谢明勇
Owner NANCHANG UNIV
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