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Garlic skin dietary fiber and double-screw extrusion and enzymolysis modification preparation technology and application thereof

A technology of twin-screw extrusion and dietary fiber, which is applied in food extrusion, application, food drying, etc., can solve the problems of insufficient physiological functions, etc., and achieve easy industrial production, good water absorption, and simple operation Effect

Inactive Publication Date: 2016-11-16
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Garlic skin contains more than 70% dietary fiber, but soluble dietary fiber only accounts for about 5%, and its physiological functions cannot be fully exerted. Therefore, it is necessary to use some kind of modification means to make the polymerization degree of some polymers and The compound structure is changed to some extent, which promotes its dissolution in water and enhances the relative content of some water-soluble polymers, so as to better exert physiological functions

Method used

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  • Garlic skin dietary fiber and double-screw extrusion and enzymolysis modification preparation technology and application thereof
  • Garlic skin dietary fiber and double-screw extrusion and enzymolysis modification preparation technology and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0027] Example 1: Garlic skin soluble dietary fiber was prepared by combining enzymatic hydrolysis with twin-screw extrusion. Adjust the moisture content of the garlic skin to 40%, the feed rate is 25rpm, the screw speed is 150rpm, the screw distribution temperature is 190-170-150-90-60°C, extrusion treatment under these conditions, freeze-dry for 36 hours after treatment, crush the freeze-dried sample , pass through a 60-mesh sieve to obtain the modified garlic skin dietary fiber finished product 1, further carry out enzymolysis, the enzymolysis process and subsequent steps are the same as the control example, obtain the modified garlic skin dietary fiber finished product 2, after determination, the garlic skin dietary fiber The content of soluble dietary fiber in skin is 11.37%.

Embodiment 2

[0028] Embodiment 2: test process is the same as embodiment 1, and its difference is that the screw distribution temperature is 170-150-130-90-60 ℃, obtains the modified garlic skin dietary fiber finished product 2, and the content of garlic skin soluble dietary fiber is 13.56 %.

Embodiment 3

[0029] Embodiment 3: test process is the same as embodiment 1, and its difference is that screw rod distribution temperature is 150-130-110-90-60 ℃, obtains modified garlic skin dietary fiber finished product 2, and the content of garlic skin soluble dietary fiber is 12.34 %.

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Abstract

The invention discloses garlic skin dietary fiber and double-screw extrusion and enzymolysis modification preparation technology and application thereof and relates to the technical field of deep processing of agricultural products and byproducts. Through double-screw extraction treatment, insoluble dietary fiber in garlic fiber can be converted into soluble dietary fiber; compared with chemical methods which are used currently, through enzymolysis modification technology, no new chemical reagent is introduced, so that safety and environment protection are realized. The preparation technology mainly includes steps: smashing garlic skin powder; adjusting moisture of the garlic skin powder; subjecting wet garlic skin powder to double-screw extrusion; combining with garlic skin after being subjected to enzymolysis treatment; performing solid-liquid separation and alcohol treatment to obtain the soluble dietary fiber. Content of the soluble dietary fiber prepared under the conditions is improved by 3 times when compared with that of the same in garlic skin which is not subjected to screw extrusion.

Description

Technical field: [0001] The invention relates to the technical field of deep processing of agricultural products, in particular to using garlic skin as a raw material, extruding with a twin-screw extruder, and combining enzymatic hydrolysis to prepare garlic skin soluble dietary fiber. Background technique: [0002] my country is a large garlic-growing country, and both garlic production and trade account for more than 70% of the global total production. At present, there are about 130 kinds of garlic processed products. The processed products only use garlic meat, and the by-product garlic skin is discarded. For example, 400 tons of garlic can extract 1 ton of allicin, and the garlic residue can be processed into garlic powder, which is used as a seasoning package. , and its garlic skin accounts for about 20% of raw materials but can not be effectively utilized for a long time, causing great waste of resources and environmental pollution. [0003] There are many patents in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/21A23P30/20
CPCA23V2002/00A23V2200/30A23V2250/5116A23V2300/16A23V2300/10
Inventor 马海乐周存山黄六容任晓锋李云亮刘湾
Owner JIANGSU UNIV
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