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A kind of rose dregs modified dietary fiber composite gel

A technology of rose dregs and dietary fiber is applied in the field of rose dregs modified dietary fiber composite gel and its preparation, which can solve the problems such as the lack of research, and achieve the improvement of the degree of cross-linking, the improvement of water and oil absorption, and the strengthening of intestinal regulation. The effect of bacterial flora

Active Publication Date: 2022-03-04
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention finds that the content of dietary fiber in rose dregs is rich, but the research on rose dregs dietary fiber (RPDF) is still blank

Method used

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  • A kind of rose dregs modified dietary fiber composite gel
  • A kind of rose dregs modified dietary fiber composite gel
  • A kind of rose dregs modified dietary fiber composite gel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment 1 A kind of preparation method of rose dregs modified dietary fiber

[0036] The preparation method is as follows:

[0037] (1) Pretreatment: pulverize after the rose dregs are dried;

[0038] (2) Preparation of rose dregs suspension: add 30 times (w / w) water to the rose dregs powder, and adjust the pH to 7.0;

[0039] (3) Enzymolysis: Add 200U of high-temperature-resistant amylase per gram of rose dregs powder, stir at 85°C for 30 minutes; then cool down to 50°C, add 6000U of protease per gram of rose dregs powder, and stir for 30 minutes for enzymolysis ; then adjust the pH of the suspension to 5.0 with 0.5mol / L hydrochloric acid, add 100U amyloglucosidase per gram of rose residue powder, and stir for 30 minutes for enzymolysis; add 250U cellulase and 700U wood Glycanase enzymatic hydrolysis for 2 hours modification;

[0040] (4) Separation: the suspension after enzymolysis was centrifuged at 5500r / min for 15min at 4°C, the precipitate was washed with wa...

Embodiment 2

[0049] Embodiment 2 A kind of composite hydrogel comprising rose pomace modified dietary fiber and gelatin

[0050] A kind of composite hydrogel that comprises rose dregs modified dietary fiber and gelatin, the content of described rose dregs modified dietary fiber is 0.67% (w / w, with the mass ratio of water), and the content of described gelatin is 6.67% (w / w, mass ratio to water);

[0051] The gelatin is fully soaked in water and dissolved under heat insulation to prepare a 6.67% (w / w) gelatin solution; adding 0.67% (w / w) rose dregs modified dietary fiber; using a magnetic stirrer to modify the rose dregs The dietary fiber-gelatin suspension is mixed evenly, poured into a container to cool, and stored at 4°C overnight to obtain a solid rose residue modified dietary fiber-gelatin hydrogel;

[0052] The preparation method of described rose dregs modified dietary fiber is as follows:

[0053] (1) Pretreatment: pulverize after the rose dregs are dried;

[0054] (2) Preparation ...

Embodiment 3

[0059] Embodiment 3 A kind of composite hydrogel comprising rose pomace modified dietary fiber and gelatin

[0060] A composite hydrogel comprising rose dregs modified dietary fiber and gelatin, the content of the rose dregs modified dietary fiber is 0.1% (w / w), and the content of the gelatin is 5% (w / w );

[0061] The preparation method is as follows:

[0062] The gelatin is fully soaked in water and dissolved under heat insulation to prepare a 5% (w / w) gelatin solution; adding 0.1% (w / w) rose dregs modified dietary fiber; using a magnetic stirrer to modify the rose dregs The dietary fiber-gelatin suspension is mixed evenly, poured into a container to cool, and stored at 4°C overnight to obtain a solid rose residue modified dietary fiber-gelatin hydrogel;

[0063] The preparation method of described rose dregs modified dietary fiber is as follows:

[0064] (1) Pretreatment: pulverize after the rose dregs are dried;

[0065] (2) Preparation of rose dregs suspension: add 30...

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Abstract

The invention belongs to the technical field of food processing and safety, and in particular relates to a rose residue modified dietary fiber composite gel and a preparation method thereof. The composite gel contains rose dregs modified dietary fiber and gelatin, the content of the rose dregs modified dietary fiber is 0.1-2%, and the content of the gelatin is 5-10%. The invention creatively uses rose dregs as a source of dietary fiber, and after modification, it is used to prepare a composite gel, which has suitable hardness, elasticity and taste, and can be used as a raw material for food with certain processing strength.

Description

Technical field: [0001] The invention belongs to the technical field of food processing and safety, and in particular relates to a rose residue modified dietary fiber composite gel and a preparation method thereof. Background technique: [0002] Roses are mainly used to extract rose essential oil in industrial production, and the low extraction rate (0.25‰-0.3‰) results in a high waste situation. At present, the deep processing of roses is still very limited. Except for a part of the flower dregs after extracting essential oils, they are naturally air-dried and used as fuel, and most of them are simply treated as waste. It not only harms the environment, but also causes a waste of resources. Therefore, the reuse of flower residue after essential oil extraction has become an innovative direction in rose research. [0003] Through the research of the present invention, it is found that the dietary fiber content in the rose dregs is rich, but the current research on the rose ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L29/281A23L33/22A23L29/00
CPCA23L29/06A23L29/284A23L33/22A23V2002/00A23V2200/30A23V2200/32
Inventor 任迪峰何媛媛李文
Owner BEIJING FORESTRY UNIVERSITY
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