Fish scale protein-mesona chinensis glue-asparagus powder nutrient edible film and preparation method thereof

A technology of fish scale protein and jelly jelly, which is applied in food science, meat/fish preservation with chemicals, flexible coverings, etc., can solve the problems of less use, non-degradable, and low added value of fish scale jelly, and achieve improvement The immune function of the body, the effect of delaying cell aging and relieving stress

Pending Publication Date: 2019-05-21
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that plastics are polluted and cannot be degraded during use as packaging

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0040] Example 1

[0041] The preparation method of the fish scale protein-xiancao gum-asparagus powder nutritional edible film includes the following steps:

[0042] Extraction of tilapia fish scale protein:

[0043] ①Fish scale pretreatment: Wash the accurately weighed 150g dried tilapia fish scales with tap water for 3 times. After drying in an oven at a temperature of 70℃, all are immersed in 0.5mol / L hydrochloric acid solution at 25℃, 100rpm Stir for 1.5h under the conditions, after the end, wash with tap water to remove the remaining soaking liquid, wash to pH 3.8, again dry the cleaned fish scales in an oven at a temperature of 70 ℃, after drying, get delimed raffia Fish scales.

[0044] ②Glue extraction: Weigh 100g of degreased tilapia scales and place them in the reactor. Add 800mL of water according to the ratio of scales and water to w / v1:8. The temperature of the oil bath is 75℃, the stirring speed is 100rpm, and the water temperature is maintained for 4h. , To remove fi...

Example Embodiment

[0060] Example 2

[0061] The preparation method of the fish scale protein-xiancao gum-asparagus powder nutritional edible film includes the following steps:

[0062] Weigh 8g tilapia fish scale protein powder in Example 1, 12g grass gum in Example 1, 2g asparagus powder, 1.6g cranberry powder, 2.4g glycerin, 0.6g sodium carboxymethylcellulose, 300mL Deionized water.

[0063] Dissolve 8g tilapia fish scale protein powder, 2g asparagus powder and 1.6g cranberry powder in 300mL of deionized water, then add 12g of grass gum, homogenize with a magnetic stirrer for 5min, temperature 60℃, rotation speed 500rpm; To the homogenized solution, add 2.4 g portion of glycerin and 0.6 g sodium carboxymethyl cellulose, and then stir with a magnetic stirrer for 10 minutes at a rotation speed of 750 rpm; then, use a circulating water vacuum pump to filter out bubbles to prepare a film-forming liquid.

[0064] Cast 200mL of film-forming liquid on an area of ​​900cm 2 The surface is dry and clean acryl...

Example Embodiment

[0066] Example 3

[0067] The preparation method of the fish scale protein-xiancao gum-asparagus powder nutritional edible film includes the following steps:

[0068] Extraction of tilapia fish scale protein:

[0069] ①Fish scale pretreatment: Wash the accurately weighed 150g dried tilapia fish scales with tap water for 3 times, dry them in an oven at a temperature of 70℃, and soak them in 0.6mol / L hydrochloric acid solution at 25℃, 200rpm Stir under the conditions for 1 hour. After the completion, wash with tap water to remove the remaining soaking liquid, wash to pH 3.6, and dry the cleaned scales in an oven at a temperature of 70°C. After drying, deliming tilapia is obtained. Fish scales.

[0070] ②Glue extraction: weigh 100g of delimed tilapia scales, place them in the reaction kettle, add 800mL water according to the ratio of scales and water to w / v1:8, oil bath temperature 70℃, stirring speed 120rpm, keep the water temperature for 4h , To remove fish scale residues to obtain t...

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Abstract

The invention relates to fish scale protein-mesona chinensis glue-asparagus powder nutrient edible film and a preparation method thereof, and belongs to the technical field of food and medicine packaging. The fish scale protein-mesona chinensis glue-asparagus powder nutrient edible film is prepared by extracting collagen from oreochromis mossambicus scale, taking mesona chinensis glue, asparagus powder and cranberry fruit powder extracted and prepared from the roots, stems and leaves of mesona chinensis as base materials and adding sodium carboxymethylcellulose and glycerinum. The fish scale protein-mesona chinensis glue-asparagus powder nutrient edible film has the advantages that the technological process is simple, all the materials are harmless to the human body, and the edible film has nutritive value, has better antibacterial and antioxidant effects, can be completely degraded under the natural environment, and has no pollution to the environment.

Description

technical field [0001] The present invention relates to a fish scale protein- jelly jelly-asparagus powder nutritious and edible film and a preparation method thereof, in particular to a kind of fish scale protein- jelly jelly-asparagus powder nutritious and edible film with good mechanical properties and excellent antibacterial and anti-oxidation properties The method and application of the film belong to the technical field of food and medicine packaging. Background technique [0002] Protein has the advantages of good film-forming properties and good biocompatibility, but it has problems such as insufficient mechanical strength, low water resistance, poor heat-sealing performance, weak oxidation resistance and antibacterial properties, and it is difficult to meet the multifunctional needs of food packaging materials. , so it needs to be supplemented with other film-forming raw materials to improve the physical-mechanical properties and antibacterial and fresh-keeping prop...

Claims

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Application Information

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IPC IPC(8): A23B4/20A23L33/17A23L33/125A23L33/105C08L5/00C08L89/00C08L1/28C08L99/00C08K5/053C08J5/18B65D65/46
Inventor 马淑凤李保强王利强宋会民
Owner JIANGNAN UNIV
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