Method for preparing wheat texturized fiber protein by twin-screw high-moisture extrusion and wheat texturized fiber protein

A wheat-drawn protein and twin-screw extrusion technology, which is applied in food extrusion, plant protein processing, food ingredients containing inorganic compounds, etc., can solve the problems of less research on wheat-drawn protein products, poor quality indicators such as product elasticity, and complex product quality Long water time and other problems, to achieve the effect of large-scale production and application, good puffing effect, and remarkable drawing effect

Active Publication Date: 2016-08-31
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there have been many reports on soybean protein and peanut protein imitation meat products and their preparation methods, but there are still relatively few studies on wheat drawing protein products, and there are still some problems in the quality of the obtained products, such as long rehydration time and texture degree. Low, poor quality indicators such as product elasticity
For example, CN102640838A discloses a production method of wheat textured protein, which uses gluten as a raw material to produce alternative meat products rich in fiber structure, wh

Method used

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  • Method for preparing wheat texturized fiber protein by twin-screw high-moisture extrusion and wheat texturized fiber protein
  • Method for preparing wheat texturized fiber protein by twin-screw high-moisture extrusion and wheat texturized fiber protein
  • Method for preparing wheat texturized fiber protein by twin-screw high-moisture extrusion and wheat texturized fiber protein

Examples

Experimental program
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Effect test

Embodiment 1

[0065] Embodiment 1: the gluten powder that takes by weighing 44.75kg, the wheat starch of 5kg and the sodium pyrophosphate of 0.25kg are placed in agitator and mix homogeneously, sub-pack stand-by. Put the mixed material into the solid feeder of the twin-screw extruder, and turn on the agitator for secondary mixing. With specially assembled screws. Before starting the machine, preheat the extruder to raise the temperature. Starting from the second zone, the heating temperature of the five zones is set to: 60°C, 90°C, 120°C, 140°C, 155°C. When the temperature rises to the set temperature and the die head temperature reaches 100°C, turn on the oil pump and start the machine to enter the start-up phase. Start the liquid feeding pump, the amount of water added is 55%, and the water temperature is normal temperature. The solid feed rate is 20kg / h, and the screw speed is 100rpm. As the material passes through the die and comes out of the die, gradually increase the feed rate and ...

Embodiment 2

[0066] Embodiment 2: take by weighing the gluten powder of 44.75kg, the wheat starch of 5kg and the sodium tripolyphosphate of 0.25kg, the sodium hexametaphosphate of 0.25kg are placed in agitator and mix homogeneously, subpackage stand-by. Put the mixed material into the solid feeder of the twin-screw extruder, and turn on the agitator for secondary mixing. With specially assembled screws. Preheat the extruder before starting the machine. Starting from the second zone, the heating temperature of the five zones is set to: 60°C, 90°C, 120°C, 150°C, 160°C. When the temperature rises to the set temperature and the die head temperature reaches 100°C, turn on the oil pump and start the machine to enter the start-up phase. Start the liquid feeding pump, the amount of water added is 55%, and the water temperature is normal temperature. The solid feed rate is 19kg / h, and the screw speed is 100rpm. As the material passes through the die and comes out of the die, gradually increase th...

Embodiment 3

[0067]Embodiment 3: take by weighing the gluten powder of 44.75kg, the sodium bicarbonate of the wheat starch of 5kg, 0.25kg sodium tripolyphosphate 0.25kg is placed in agitator and mix homogeneously, pack and stand-by. With specially assembled screws. Put the mixed material into the solid feeder of the twin-screw extruder, and turn on the agitator for secondary mixing. Before the machine enters the start-up stage, the extruder is preheated and heated up. Starting from the second zone, the heating temperature of the five zones is set to: 60°C, 90°C, 120°C, 135°C, 155°C. When the temperature rises to the set temperature and the die head temperature reaches 100°C, turn on the oil pump and start the machine to enter the start-up phase. Start the liquid feeding pump, the amount of water added is 55%, and the water temperature is normal temperature. The solid feed rate is 18kg / h, and the screw speed is 100rpm. As the material passes through the die and comes out of the die, gradu...

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Abstract

The invention discloses a method for preparing wheat texturized fiber protein by twin-screw high-moisture extrusion. The method comprises the following steps: (1) providing raw materials which contain uniformly mixed wheat protein, starch and a texturizing agent; (2) inputting the raw materials into a solid feeder of a twin-screw extrusion system and carrying out secondary stirring and mixing, inputting the mixture into a cavity of the twin-screw extrusion system and mixing the mixture and water, and then extruding; and (3) drying the product obtained in the step (2) and cooling so as to obtain the wheat texturized fiber protein. The invention also provides wheat texturized fiber protein prepared by the above method. By adopting different screw-thread sets to change extrusion engagement mode of the screw, effect degrees of gluten protein are different so as to achieve finer and denser fiber effects. Supplemented with the texturizing agent, low texturizing degree, long rehydration time and poor rehydration effect of existing texturized fiber protein products can be overcome, and finally a wheat texturized fiber protein product with high fibrosis degree and high quality is obtained.

Description

technical field [0001] The invention relates to a method for producing and modifying wheat silk protein, in particular to a method for preparing wheat silk protein by twin-screw high-humidity extrusion. technical background [0002] Wheat is the second largest crop in my country and occupies an important position in China's grain production. At present, my country's wheat consumption accounts for about 23% of the total grain consumption, which is mainly distributed in people's staple food and convenience food processing industry. [0003] Protein is an indispensable nutrient for human beings. Wheat protein is the main by-product of wheat starch processing. It is rich in resources, and the world's annual output exceeds 600,000 tons. Wheat gluten is commonly known as gluten, and its protein content is 70% to 80%. As a high-protein material, gluten also contains a variety of amino acids, and its nutritional value is extremely high. The annual output of wheat protein in China ...

Claims

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Application Information

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IPC IPC(8): A23J3/18A23J3/26
CPCA23J3/18A23J3/26A23V2002/00A23V2250/5486A23V2250/5118A23V2250/1614A23V2250/16A23V2300/16
Inventor 朱科学李婷郭晓娜周惠明
Owner JIANGNAN UNIV
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