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Extraction method for dietary fiber from citrus peel residues

A technology of citrus peel residue and dietary fiber, applied in food preparation, food science, application and other directions, can solve problems such as instances without practical application, and achieve the effects of less impurities, high safety and high purity

Active Publication Date: 2012-05-16
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The research on citrus peel dietary fiber is still in its infancy, and there are no practical examples at present

Method used

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  • Extraction method for dietary fiber from citrus peel residues
  • Extraction method for dietary fiber from citrus peel residues
  • Extraction method for dietary fiber from citrus peel residues

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A method for extracting lime citrus peel dietary fiber, the steps are as follows:

[0044] 1) the sour orange (Hubei Songzi Wangchunhua Juice Co., Ltd. citrus base) fruit with a maturity of 90% and consistent maturity, no disease in the fruit appearance, and no mechanical damage is used as a raw material for processing;

[0045] 2) Clean the fruit by soaking in clean water, scouring and other washing methods, and collect the juice and skin dregs after squeezing the juice;

[0046] 3) Manually remove the seeds from step 2) and cut into shreds with a width of 3mm. Put it into a 50°C electric constant temperature blast drying oven and dry it for 48 hours, then crush it through a 60-mesh sieve, put it into a fresh-keeping bag, and store it in a fresh-keeping bag at room temperature. Store in a desiccator for later use;

[0047] 4) Take 20g of skin residue powder in step 3), add 100mL of distilled water according to the ratio of material to liquid at 1:5, and sterilize at 1...

Embodiment 2

[0054] A method for extracting lime citrus peel dietary fiber, the steps are as follows:

[0055] 1) the sour orange (Hubei Songzi Wangchunhua Juice Co., Ltd. citrus base) fruit with a maturity of 90% and consistent maturity, no disease in the fruit appearance, and no mechanical damage is used as a raw material for processing;

[0056] 2) Clean the fruit by soaking in clean water, scouring and other washing methods, and collect the juice and skin dregs after squeezing the juice;

[0057] 3) Manually remove the seeds from step 2) and cut into shreds with a width of 3mm. Put it into a 50°C electric constant temperature blast drying oven and dry it for 48 hours, then crush it through a 60-mesh sieve, put it into a fresh-keeping bag, and store it in a fresh-keeping bag at room temperature. Store in a desiccator for later use;

[0058] 4) Take 20g of skin residue powder in step 3), add 100mL of distilled water according to the ratio of material to liquid 1:5, sterilize at 121°C an...

Embodiment 3

[0065] A method for extracting lime citrus peel dietary fiber, the steps are as follows:

[0066] 1) the sour orange (Hubei Songzi Wangchunhua Juice Co., Ltd. citrus base) fruit with a maturity of 90% and consistent maturity, no disease in the fruit appearance, and no mechanical damage is used as a raw material for processing;

[0067] 2) Clean the fruit by soaking in clean water, scouring and other washing methods, and collect the juice and skin dregs after squeezing the juice;

[0068] 3) Manually remove the seeds from step 2) and cut into shreds with a width of 3mm. Put it into a 50°C electric constant temperature blast drying oven and dry it for 48 hours, then crush it through a 60-mesh sieve, put it into a fresh-keeping bag, and store it in a fresh-keeping bag at room temperature. Store in a desiccator for later use;

[0069] 4) Take 20g of skin dregs powder from step 3), add 500mL of distilled water according to the ratio of material to liquid 1:25, sterilize at 121°C a...

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Abstract

The invention belongs to the technical fields of fruit and vegetable processing and comprehensive utilization of citrus, and specifically relates to a preparation method for extracting edible dietary fiber with high added value from citrus peel residues. According to the present invention, the following key technologies are optimized and screened to determine the extraction method for the dietaryfiber from the citrus peel residues, wherein the key technologies comprise: a pretreatment, fermentation conditions of the soluble dietary fiber, alkali extraction of the insoluble dietary fiber, andother related conditions. The extracted dietary fiber of the present invention maintains the physiological activity to the maximal degree. The extraction rate of the total dietary fiber from the citrus peel residues is 56.23-68.18%, and the purity of the extracted dietary fiber is high, and is 87.59-96.42%.

Description

technical field [0001] The invention belongs to the technical field of fruit and vegetable processing and citrus comprehensive utilization, and specifically relates to a method of extracting high value-added edible dietary fiber by using citrus processing by-products (citrus peels). By optimizing the conditions of fermentation extraction and alkaline extraction of insoluble dietary fiber, an extraction method of citrus peel dietary fiber was determined. Background technique [0002] Citrus is the most produced fruit in the world, and about 40% of the world's citrus production is used for processing. The annual output of citrus in China ranks third in the world after Brazil and the United States. At present, the main products of citrus processing in China include citrus juice, canned tangerine slices in syrup, citrus jelly and jam, citrus wine, citrus preserves, and citrus vinegar. It is estimated that around 50% of citrus pomace is obtained from juice pressing and 25% of c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/308
Inventor 易甜潘思轶王可兴徐晓云范刚
Owner HUAZHONG AGRI UNIV
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