Method for preparing the bamboo shoot food fibre powder

A bamboo shoot dietary fiber and technology of bamboo shoots, applied in food preparation, food science, application, etc., can solve the problems of poor swelling and water holding capacity, high price, general swelling and water holding capacity, etc., and achieve low cost and high availability Effects of enhancing, enhancing and palatability

Inactive Publication Date: 2008-01-30
胡林福 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The total fiber content of soybean dietary fiber in the market is about 70%, the swelling property and water holding capacity are average, and its price is on the high side, about 28 yuan per kilogram; the total fiber content of corn dietary fiber is also about 70%, swell

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: present embodiment prepares bamboo shoot dietary fiber powder, and raw material adopts the discarded bamboo shoot shell of bamboo shoot processing enterprise, and concrete steps are as follows:

[0019] 1. Wash and chop the bamboo shoot heads and shells, then add 8 times the amount of 70% ethanol solution, heat to 60°C, and stir for 1 hour.

[0020] 2. Add 4 times the amount of 0.4% sodium hydroxide solution to the bamboo shoot shells extracted with ethanol, stir and extract at 60°C for 1 hour, then rinse with clean water until the pH of the soaking solution is 6-7.

[0021] 3. Add an acetic acid solution with a pH of 2 to the bamboo shoot shell after alkali extraction, extract at 80°C for 2.5 hours, and rinse with clean water until the pH of the soaking solution is 6-7.

[0022] 4. After the bamboo shoot shells extracted by the acid solution are squeezed or centrifugally dehydrated, they are vacuum-dried to a moisture content of 10%.

[0023] 5. The drie...

Embodiment 2

[0027] Embodiment 2: present embodiment prepares bamboo shoot dietary fiber powder, the acid in the acid extraction stage adopts hydrochloric acid, all the other steps are identical with embodiment 1, the water-insoluble fiber content of the bamboo shoot dietary fiber powder obtained >=70%, water holding capacity >=7g / g. Swelling power ≥ 8ml / g, particle size ≥ 400 mesh.

Embodiment 3

[0028] Embodiment 3: present embodiment prepares bamboo shoot dietary fiber powder, adopts sulfuric acid in the acid of acid extraction stage, all the other steps are identical with embodiment 1, the water-insoluble fiber content of the bamboo shoot dietary fiber powder obtained >=70%, water holding capacity >=7g / g. Swelling power ≥ 8ml / g, particle size ≥ 400 mesh.

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Abstract

The invention relates to a method for preparing a bamboo shoot dietary fiber. The method comprises the following steps: the bamboo shoot is preprocessed before being extracted by alcohol, alkaline solution and acid solution in order to acquire the bamboo shoot dietary fiber after dying, grinding and ultramicro smashing. The invention is a preparation method of bamboo shoot dietary fiber, which uses bamboo shoot head and bamboo shoot shell abandoned by bamboo shoot manufacturing corporations as preparation materials. In this way, the bamboo shoot employing ratio is greatly promoted, at the same time the waste material discharge is declined to a large degree and the bamboo shoot dietary fiber production cost is reduced. The water retention and oil absorbency of the dietary fiber powder is much better than common dietary fiber product; meanwhile the purity of dietary fiber is significantly better than the reported present technology. The granularities of the products are as high as 400 meshes, which improves the palatability of the dietary fiber products without residue left in mouth. The products can be taken as dietary extender, medical filler and functional food and so on.

Description

technical field [0001] The invention relates to an improved comprehensive utilization of bamboo shoot processing, in particular to a preparation method of bamboo shoot dietary fiber powder produced by using the bamboo shoot heads and shells removed in the processing process of bamboo shoot production enterprises as raw materials. Background technique [0002] Dietary Fiber (DF) is a general term for high-molecular polysaccharides that are difficult to be digested by enzymes in the human body. A large number of epidemiological survey data show that insufficient intake of dietary fiber from food by the human body will lead to common coronary heart disease, diabetes, hypertension, obesity, myocardial infarction, etc., as well as appendicitis, ischemic heart disease, colon cancer, etc. , cholecystitis, constipation and other diseases. All countries in the world have formulated a daily recommended intake of dietary fiber: 20-30 grams in Japan, 30 grams in the United States, 25 g...

Claims

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Application Information

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IPC IPC(8): A23L1/308A23L33/21
Inventor 胡林福陈永健
Owner 胡林福
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