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Extraction method and application of okra dietary fiber

A technology of dietary fiber and extraction method, which is applied in the field of extraction of okra dietary fiber, can solve the problems of high dietary fiber yield, unsuitability for large-scale production, poor taste, etc., to reduce extraction cost, improve rough taste, water absorption and The effect of water solubility enhancement

Active Publication Date: 2017-11-07
BAISE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The purity of dietary fiber prepared by chemical method is high, but the yield is low, the alkali taste is heavy, and the taste is not good; the yield of dietary fiber prepared by enzymatic method is high, but the cost is high, and it is not suitable for large-scale production; It is one of the research directions of dietary fiber extraction in the future, but because the enzyme activity is affected by many factors, the extraction method still needs to be further optimized
In addition, there are not many mature okra dietary fiber products in the domestic market at present, and it is even rarer to use okra dietary fiber in the production of steamed buns. The use of dietary fiber in the production of steamed buns is limited due to the rough taste. A steamed bun rich in dietary fiber and smooth in taste is a problem that needs to be solved

Method used

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  • Extraction method and application of okra dietary fiber

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of extraction method of okra dietary fiber of the present embodiment comprises the following steps:

[0025] (1) Pretreatment: Wash the fresh okra, put it in a drying oven and dry it to constant weight at 55° C., grind the dried okra into powder, pack it into a bag and seal it for later use;

[0026] (2) Ultrasonic treatment: Mix and stir the above powder and distilled water evenly at a weight ratio of 1:25, and treat with ultrasonic wave for 8 minutes, the power of ultrasonic wave is 150W, and the frequency is 250KHz;

[0027] (3) Enzymolysis: mix and stir the mixture after the above-mentioned ultrasound with 0.2% cellulase, 1% magnesium chloride and 3% calcium dihydrogen phosphate by weight of the mixture after the ultrasound, and put it into a shaker Shake the enzymolysis in a water bath at 45°C for 1 hour, after the end of the enzymolysis, transfer to a water bath to inactivate the enzyme at 80°C for 8 minutes, cool to obtain the enzymolysis solution;

[002...

Embodiment 2

[0034] A kind of extraction method of okra dietary fiber of the present embodiment comprises the following steps:

[0035] (1) Pretreatment: Wash the fresh okra, put it in a drying oven and dry it to constant weight at 65° C., grind the dried okra into powder, pack it into a bag and seal it for later use;

[0036] (2) Ultrasonic treatment: Mix the above powder and distilled water with a weight ratio of 1:35 and stir evenly, and treat with ultrasonic wave for 12 minutes, the power of ultrasonic wave is 200W, and the frequency is 350KHz;

[0037] (3) Enzymolysis: mix and stir the mixture after the above-mentioned ultrasound with 0.4% cellulase, 3% magnesium chloride and 5% calcium dihydrogen phosphate by weight of the mixture after the ultrasound, and put it into a shaker Shake the enzymolysis in a water bath at 55°C for 2 hours, after the end of the enzymolysis, transfer to a water bath to inactivate the enzyme at 90°C for 12 minutes, cool to obtain the enzymolysis solution;

...

Embodiment 3

[0044] A kind of extraction method of okra dietary fiber of the present embodiment comprises the following steps:

[0045] (1) Pretreatment: Wash the fresh okra, put it in a drying oven and dry it at 60°C until it reaches a constant weight, and grind the dried okra into powder, pack it into a bag and seal it for later use;

[0046] (2) Ultrasonic treatment: Mix and stir the above powder and distilled water at a weight ratio of 1:30, and treat with ultrasonic wave for 10 minutes, the power of ultrasonic wave is 180W, and the frequency is 300KHz;

[0047] (3) Enzymolysis: mix and stir the mixture after the above-mentioned ultrasound with 0.3% cellulase, 2% magnesium chloride and 4% calcium dihydrogen phosphate by weight of the mixture after the ultrasound, and put it into a shaker Enzymolysis was carried out in a water bath at 50°C for 1.5 hours, and after the end of the enzymolysis, it was transferred to a water bath to inactivate the enzyme at 85°C for 10 minutes, cooled to ob...

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Abstract

The invention discloses an extraction method and an application of okra dietary fiber and relates to the technical field of food production and processing. The extraction method comprises steps as follows: pretreatment, ultrasonic treatment, enzymolysis, alkaline hydrolysis, washing, concentration and drying. The extraction is assisted through addition of an enzyme activator, dosage of enzyme is reduced, extraction cost is reduced, and besides, yield of finished products and purity are high; the puffed insoluble dietary fiber is used for making steamed buns, and the prepared steamed buns are rich in the dietary fiber, soft and elastic, taste smooth and reserve original flavor.

Description

【Technical field】 [0001] The invention relates to the technical field of food production and processing, in particular to a method for extracting okra dietary fiber and its application. 【Background technique】 [0002] Dietary fiber is divided into two categories: water-soluble and water-insoluble. Water-soluble dietary fiber includes oligosaccharides, synthetic polysaccharides, pectin, and modified fibers, etc.; water-insoluble dietary fiber includes cellulose, hemicellulose, and lignin. Long-term consumption of dietary fiber can prevent cardiovascular disease, cancer, diabetes and other diseases. [0003] Okra, also known as okra and okra, is rich in protein, free amino acids, multivitamins, calcium, phosphorus, iron, manganese, zinc and other mineral elements, as well as mucus substances composed of pectin and polysaccharides. It is rich in nutrients and has high health value. Okra is rich in dietary fiber, of which pectin and cellulose are the highest. [0004] At pres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/22
CPCA23V2002/00A23L33/22A23V2250/5116
Inventor 陈庆金麦馨允黄娇丽班燕冬李晔
Owner BAISE UNIV
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