Collagen casing and preparation method thereof

A technology of collagen and sausage casings, which is applied in the field of collagen casings and its preparation, can solve the problems of excessive addition of auxiliary materials and low safety, and achieve the effects of low cost, high safety, and good thermal stability

Inactive Publication Date: 2015-07-29
INNER KIRIN CO LTD PEARL COLLAGEN CASINGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention mainly solves the technical problems of adding too many auxiliary materials and low safety in the existing collagen casings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Step S1, leather splitting and liming: sort the cowhide leather layer according to size and thickness, cut it into uniform blocks with a size of 5cm×10cm, take 1000kg of leather, wash it with clean water, and soak it in saturated lime water For 15 days, stir for 10 minutes every 30 minutes during the soaking process, and then clean the leather with clean water;

[0041] Step S2, acidifying and embellishing: Soak the liming-treated leather with 0.10N hydrochloric acid solution for 30 hours, and keep stirring to control the pH value between 2.5 and 3.0, so that the leather becomes soft, translucent and swollen shape, and squeeze the leather to make the fibers clearly visible, then drain the acid, and wash the leather with water at least twice;

[0042] Step S3, defibering: put the acidified and swollen leather into a defiberizing machine for defiberizing treatment, and grind it into a collagen sheet;

[0043]Step S4, kneading and filtering: put the collagen flakes into a...

Embodiment 2

[0048] Step S1, leather splitting and liming: sort the cowhide leather layer according to size and thickness, cut it into uniform blocks with a size of 5cm×10cm, take 2000kg of leather, wash it with clean water, and soak it in saturated lime water For 16 days, stir for 10 minutes every 30 minutes during the soaking process, and then clean the leather with clean water;

[0049] Step S2, acidifying and embellishing: Soak the liming-treated leather with 0.10N hydrochloric acid solution for 36 hours, and keep stirring to control the pH value between 2.5 and 3.0, so that the leather becomes soft, translucent and swollen shape, and squeeze the leather to make the fibers clearly visible, then drain the acid, and wash the leather with water at least twice;

[0050] Step S3, defibering: put the acidified and swollen leather into a defiberizing machine for defiberizing treatment, and grind it into a collagen sheet;

[0051] Step S4, kneading and filtering: put the collagen flakes into ...

Embodiment 3

[0056] Step S1, leather splitting and liming: sort the cowhide leather layer according to size and thickness, cut it into uniform blocks with a size of 5cm×10cm, take 2500kg of leather, wash it with clean water, and soak it in saturated lime water For 16 days, stir for 10 minutes every 30 minutes during the soaking process, and then clean the leather with clean water;

[0057] Step S2, acidifying and embellishing: Soak the liming-treated leather with 0.10N hydrochloric acid solution for 38 hours, and keep stirring to control the pH value between 2.5 and 3.0, so that the leather becomes soft, translucent and swollen shape, and squeeze the leather to make the fibers clearly visible, then drain the acid, and wash the leather with water at least twice;

[0058] Step S3, defibering: put the acidified and swollen leather into a defiberizing machine for defiberizing treatment, and grind it into a collagen sheet;

[0059] Step S4, kneading and filtering: put the collagen flakes into ...

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PUM

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Abstract

The invention discloses a collagen casing and its preparation method. The collagen casing is composed of the following ingredients, by weight, 55-65% of collagen, 4-8% of soybean dietary fiber, 4-8% of high amylose modified starch, 0.02-0.05% of a cross-linking agent, 3-10% of a plasticizer, 0.01-0.03% of an antiseptic and 15-25% of water. The collagen casing provided by the invention has advantages of small casing thickness, smooth and crispy taste, good permeability, high tensile strength, high compression strength, high stretching rate, high temperature boiling resistance and the like. As auxiliary materials of the collagen casing are soybean dietary fiber and high amylose modified starch, the collagen casing has high safety, high nutritive value, strong film-forming property and good heat stability, is low-cost, and has a certain air permeability and moisture-penetrability. Due to the functionality, the collagen casing completely can replace other edible celluloses of synthetic chemical materials and can meet requirements of mechanical coloclysis.

Description

technical field [0001] The invention relates to the field of food processing, in particular to a collagen casing and a preparation method thereof. Background technique [0002] A wide variety of casings are used in sausage manufacturing, such as natural casings such as pig casings, sheep casings, and cattle casings, as well as artificial casings such as nylon casings, PVDC casings, cellulose casings and collagen casings. Natural casings mainly come from pigs, sheep, cattle and other animals. The casings have different calibers, different sizes and lengths, and different quality. As a result, they are not suitable for mechanized enema and require manual enema, resulting in high production costs. The raw materials of artificial casings mainly come from petrochemical industry. Petroleum is a non-renewable resource, and the production of artificial casing raw materials is also very easy to cause pollution to the environment. In addition, artificial casings cannot be degraded and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A22C13/00
CPCA22C13/0016
Inventor 不公告发明人
Owner INNER KIRIN CO LTD PEARL COLLAGEN CASINGS
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