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Preparation method for dietary fiber based on momordica grosvenori waste

A technology of dietary fiber and Luo Han Guo, which is applied in the direction of food science, can solve the problems that soluble dietary fiber is not separated and collected, the structure of dietary fiber is greatly damaged, and the scope of application is limited, so as to achieve high added value and transformation The effect of high efficiency and elimination of waste of resources

Pending Publication Date: 2020-08-28
HUNAN HUACHENG BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] CN110028541A ​​discloses an extraction method for the comprehensive utilization of Luo Han Guo, which uses Luo Han Guo as a raw material, and after enzymatic hydrolysis, water extraction, and alcohol extraction, the remaining filter residue is dried to become Luo Han Guo dietary fiber. This process has achieved the resource reuse of Luo Han Guo residue, but It only gets insoluble dietary fiber, and its large amount of more valuable soluble dietary fiber is not separated and collected
This process has been treated with acid or alkali, which greatly damages the structure of dietary fiber. At the same time, this process produces insoluble dietary fiber, which has relatively limited application range and low commodity value.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] (1) Beating: Take 183 kg of fresh Luo Han Guo dregs extracted with water as the solvent, and beat to 10 mesh;

[0049] (2) Fermentation: After concentrating the effluent from the upper column to 10 brix, take 2000 kg of the concentrated solution (200 kg converted to solids) and mix with Luo Han pomace, and then add 10 kg of fermentation aids (sucrose: peptone: purine = 3:6: 1) With starter 20kg Trichoderma, ferment for 12h at a temperature of 40℃, and keep stirring during the fermentation.

[0050] (3) Solid-liquid separation: the fermented fermentation broth is subjected to decanter centrifugation and butterfly centrifugation to collect insolubles and solubles respectively.

[0051] (4) Ultrafiltration: Pass the soluble matter through a 400,000 Da ultrafiltration membrane to take the permeate, and then pass the permeate through a 5000 Da nanofiltration membrane to collect the retentate.

[0052] (5) Concentration: The collected retentate is concentrated to 45 brix using a thre...

Embodiment 2

[0058] (1) Beating: Take 183kg of fresh Luo Han Guo dregs extracted with water as solvent, and beat to 60 mesh;

[0059] (2) Fermentation: After concentrating the effluent from the upper column to 8brix, take 5000kg of the concentrated solution (400kg converted to solids) and mix with Luo Han pomace, and then add 15kg of fermentation assistant (sucrose: peptone: purine = 2:4: 2) 15kg of Aspergillus with starter, ferment for 24h at a temperature of 30℃, and keep stirring during the process.

[0060] (3) Solid-liquid separation: Centrifuge the fermented fermentation broth through a three-foot centrifuge to collect insoluble and soluble materials.

[0061] (4) Ultrafiltration: Pass the soluble matter through a 600,000 Da ultrafiltration membrane to take the permeate, and then pass the permeate through a 10,000 Da nanofiltration membrane to collect the retentate.

[0062] (5) Concentration: The collected retentate is concentrated to 40 brix using a scraper evaporative concentrator.

[0063...

Embodiment 3

[0068] (1) Beating: Take 183kg of fresh Luo Han Guo dregs extracted with water as solvent, and beat to 80 mesh;

[0069] (2) Fermentation: After concentrating the effluent from the upper column to 10 brix, take 3500 kg of the concentrated solution (converted to a solid content of 350 kg) and mix it with Luo Han pomace, and then add 13 kg of fermentation aids (sucrose: peptone: purine = 3:5: 1.5) With starter 10kg Trichoderma, 10kg Aspergillus, ferment for 8h at a temperature of 60℃, and keep stirring during the fermentation.

[0070] (3) Solid-liquid separation: the fermented fermentation broth is centrifuged in a decanter to collect insolubles and solubles.

[0071] (4) Ultrafiltration: Pass the soluble matter through a 200,000 Da ultrafiltration membrane to take the permeate, and then pass the permeate through a 3000 Da nanofiltration membrane to collect the retentate.

[0072] (5) Concentration: The collected retentate is concentrated to 50 brix using a five-effect evaporative conc...

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Abstract

The invention provides a preparation method for dietary fiber based on momordica grosvenori waste. The preparation method comprises the following steps: (1) pulping; (2) fermenting; (3) solid-liquid separation; (4) ultrafiltration and membrane separation; (5) concentrating; (6) alcohol precipitation; (7) drying; and (8) baking, crushing and sieving. According to the invention, a leavening agent and a fermentation auxiliary agent are added in the step of fermentation; a dosage ratio of momordica grosvenori residues to the effluent of column loading is controlled; the effluent of column loadingis used as a source of water-soluble dietary fiber and also can be used as nutrients for fermentation, so insoluble momordica grosvenori dietary fiber are partially converted into the water-soluble dietary fiber with higher economic value; and the method is a method for comprehensively utilizing waste momordica grosvenori residues and waste momordica grosvenori liquid. The obtained dietary fiber is high in content and yield.

Description

Technical field [0001] The invention relates to an industrialized preparation method of dietary fiber, in particular to a dietary fiber based on Luo Han Guo waste and an industrialized preparation method thereof. Background technique [0002] Momordica grosvenori is a vine plant of the Cucurbitaceae family specializing in Guangxi. It has the effects of clearing away heat, detoxifying, relieving cough and reducing phlegm, and can be used to treat hypertension and other diseases. Momordica grosvenori contains the sweet substance Mogroside (the main component is glycoside V), which is a triterpene glucoside. It has the characteristics of food safety, high sweetness, and low calories. Its sweetness is 260 times that of sucrose and its calories are only sucrose 1 / 50th. After Luo Han Guo extracts the important high sweetness substance glycoside V, most of the other by-products are discarded as fertilizer or used for sewage treatment, resulting in a huge waste of resources and environm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/22A23L29/00
CPCA23L33/22A23L29/065
Inventor 何安乐刘庚贵黄华学
Owner HUNAN HUACHENG BIOTECH
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