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Method for producing edible straw by twin-screw extruder

A twin-screw extruder, straw technology, applied in the direction of food coating, application, food science, etc., can solve problems such as human harm, waste, environmental pollution, etc., to ensure uniformity, avoid waste, and enhance waterproof performance. Effect

Pending Publication Date: 2021-12-17
HEILONGJIANG AGRI ECONOMY VOCATIONAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Straws are very common in daily use. Existing straws mostly use plastic straws. Plastic straw cups will produce harmful substances after heating, and the use of plastic straws not only consumes a large amount of chemical raw materials, but also plastic straws cannot be degraded, causing environmental damage. a great deal of pollution
At present, there are paper straws on the market, but paper straws also need to waste a lot of wood and other raw materials. Therefore, making an edible straw can bring good results to the current situation.

Method used

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  • Method for producing edible straw by twin-screw extruder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for producing edible straws with a twin-screw extruder, comprising the following steps:

[0028] Slurry production, dilute 25 parts of pear residue after juicing with water, put it into a beater for beating treatment, filter the residue with a 150-mesh filter, add 2 parts of agar powder and appropriate amount of water after filtering, stir and heat to 71°C , forming a fruit and vegetable slurry with a water content of 24%;

[0029] The materials are mixed, the fruit and vegetable slurry is put into a mixer, and 80 parts of cornstarch, 0.1 part of citric acid, 0.1 part of natural essence, 2 parts of xylitol and appropriate amount of water are put in successively, and stirred for 5 minutes to prepare A mixture with a water content of 10%;

[0030] Extrusion molding, putting the compound into a twin-screw extruder for extrusion molding to form a tube blank;

[0031] coating, immersing the tube blank in edible gelatin liquid, so that the outer surface of the tube...

Embodiment 2

[0040] A method for producing edible straws with a twin-screw extruder, comprising the following steps:

[0041] Slurry production, dilute 40 parts of pear dregs after juicing with water, put them into a beater for beating treatment, filter the residue with a 150-mesh filter, add 4 parts of carrageenan powder and appropriate amount of water after filtering, stir and heat to 76 °C to form a fruit and vegetable slurry with a water content of 22%;

[0042] The materials are mixed, the fruit and vegetable slurry is put into a mixer, 85 parts of cornstarch, 0.5 part of citric acid, 0.5 part of natural essence, 3 parts of xylitol and appropriate amount of water are put in successively, and stirred for 15 minutes to prepare A mixture with a water content of 7%;

[0043] Extrusion molding, putting the compound into a twin-screw extruder for extrusion molding to form a tube blank;

[0044] coating, immersing the tube blank in edible gelatin liquid, so that the outer surface of the tu...

Embodiment 3

[0051] A method for producing edible straws with a twin-screw extruder, comprising the following steps:

[0052] Slurry production, dilute 60 parts of apples after juicing with water, put them into a beater for beating treatment, filter the residue with a 150-mesh filter, add 6 parts of pectin powder and appropriate amount of water after filtering, stir and heat to 80°C , forming a fruit and vegetable slurry with a water content of 20%;

[0053] The materials are mixed, the fruit and vegetable slurry is put into a mixer, and 85 parts of cornstarch, 0.1 part of citric acid, 0.1 part of natural essence, 1 part of xylitol and appropriate amount of water are put in successively, and stirred for 20 minutes to prepare A mixture with a water content of 6%;

[0054] Extrusion molding, putting the compound into a twin-screw extruder for extrusion molding to form a tube blank;

[0055] coating, immersing the tube blank in edible gelatin liquid, so that the outer surface of the tube bl...

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Abstract

The invention relates to the technical field of beverage and dairy product straw manufacturing, in particular to a method for producing an edible straw by a twin-screw extruder. The method comprises the following steps: pulp preparation: diluting fruit and vegetable residues, and pulping the diluted fruit and vegetable residues in a pulping machine to form fruit and vegetable pulp; material mixing: putting the fruit and vegetable pulp into a stirrer, sequentially adding starch, citric acid, natural essence, xylitol and a proper amount of water, and performing stirring to prepare a mixture; extrusion molding: putting the mixture into the twin-screw extruder for extrusion molding to form a tube blank; coating: soaking the tube blank in edible gelatin liquid for soaking, slitting and drying the soaked tube blank, performing preliminary drying the tube blank soaked with the edible gelatin and then slitting the preliminarily dried tube blank, and injecting the edible gelatin into the inner wall of the slit tube blank; and secondary drying: feeding the tube blank with the edible gelatin adhered to the inner surface into a drying box for drying to form the edible straw. The straw of the invention is made of usable materials, so that the straw is edible, and environmental pollution caused by an existing straw is reduced.

Description

technical field [0001] The invention relates to the technical field of straw manufacturing for beverages and dairy products, in particular to a method for producing edible straws with a twin-screw extruder. Background technique [0002] Straws are very common in daily use. Existing straws mostly use plastic straws. Plastic straw cups will produce harmful substances after heating, and the use of plastic straws not only consumes a large amount of chemical raw materials, but also plastic straws cannot be degraded, causing environmental damage. a great deal of pollution. There are also paper straws on the market at present, but paper straws also need to waste a lot of raw materials such as wood. Therefore, making an edible straw can bring good results to the current situation. Contents of the invention [0003] The purpose of the present invention is to provide a method for producing edible straws with a twin-screw extruder to solve the above problems. The straws are processe...

Claims

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Application Information

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IPC IPC(8): A23L19/00A23L29/30A23P20/17A23L29/00A47G21/18
CPCA23L19/07A23L29/30A23P20/17A23L29/045A47G21/18A23V2002/00A47G2400/105A23V2200/242A23V2250/032A23V2250/5024A23V2250/5036A23V2250/5072A23V2250/5086A23V2250/5432A23V2250/5118A23V2250/6422
Inventor 李晓红隋春光王菲菲徐伟褚洋洋徐鹏
Owner HEILONGJIANG AGRI ECONOMY VOCATIONAL COLLEGE
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