Auricularia auricula melanin immobilization method and application of auricularia auricula melanin in jelly preparation

A technology of melanin and fungus, which is applied in the field of food processing, can solve the problems of large load of immobilized fungus melanin and insoluble black fungus melanin, and achieve the effects of improving human immunity, novel and unique preparation method, and delicate and smooth taste

Pending Publication Date: 2022-07-05
DALIAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for immobilizing black fungus melanin. The immobilized fungus melanin prepared by the method has good compatibility, high stability, safety and non-toxicity, and large loading capacity, which solves the problem of black fungus melanin being insoluble in water. problem; and the application of immobilized fungus melanin in jelly preparation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1: Preparation of grape juice fungus melanin jelly

[0025] Product formula: carrageenan 0.7%, konjac flour 0.2%, white sugar 8%, citric acid 0.2%, immobilized fungus melanin gel microspheres 5%, grape juice 30%, sodium alginate 0.4%, water 55.5%.

[0026] (1) Black fungus raw material pretreatment: the black fungus raw material is a dry product, pulverized by a pulverizer, and passed through a 60-mesh sieve to obtain black fungus powder, which is stored under dry conditions for subsequent use.

[0027] (2) The process of extracting black fungus melanin by ultrasonic-assisted method: take the black fungus powder that has passed through a 60-mesh sieve after pulverization and add 1 mol / L NaOH solution according to the material-liquid ratio of 1:20 (g:mL), and ultrasonically break the wall (power 300W). , 40min), centrifuge at 4000r / min for 20min to take the supernatant, adjust the pH to 2 with hydrochloric acid, acid precipitation in a boiling water bath for 10h,...

Embodiment 2

[0038] The difference between Example 2 and Example 1 is that the conditions of the immobilized fungus melanin and the mass fraction of the jelly product formula are different, and other conditions are the same.

[0039] Product formula: carrageenan 0.6%, konjac flour 0.15%, white sugar 10%, citric acid 0.15%, immobilized fungus melanin gel microspheres 4%, grape juice 20%, sodium alginate 0.3%, water 64.8%.

[0040] Use sodium alginate and carrageenan as carriers to immobilize fungus melanin: dissolve sodium alginate 1 and carrageenan 1g in 100ml of sterile deionized water by heating to make a carrier sol and cool it; Mix the fungus melanin alkaline solution with the carrier sol, stir evenly, and slowly drop the mixture into the 4% calcium chloride solution with a 5ml syringe (with a needle size of 0.6×25mm), solidify for 60min, and make a The microspheres are filtered, and the calcium chloride solution on the surface of the microspheres is washed with sterile deionized water...

Embodiment 3

[0042]The difference between Example 3 and Example 1 is that the conditions of the immobilized fungus melanin and the formula mass fraction of the jelly product are different, and other conditions are the same.

[0043] Product formula: carrageenan 0.6%, konjac flour 0.2%, white sugar 12%, citric acid 0.2%, immobilized fungus melanin gel microspheres 6%, apple juice 25%, sodium alginate 0.4%, water 55.6%.

[0044] Immobilization of fungus melanin with sodium alginate as carrier:

[0045] 1.5g of sodium alginate was heated and dissolved in 100ml of sterile deionized water to make a carrier sol, and cooled; in a ratio of 1:3 by volume, the fungus melanin alkaline solution and the carrier sol were mixed, and after stirring, use a 5ml syringe ( The needle size is 0.6×25mm), the mixture is slowly dropped into 4% calcium chloride solution to make microspheres with a diameter of 2-3mm, solidified for 60min, filtered, and the microspheres are washed with sterile deionized water to rem...

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Abstract

The invention belongs to the technical field of food processing, and particularly relates to an immobilization method of auricularia auricula melanin and application of the auricularia auricula melanin in jelly preparation. Comprising the following steps: 1, extracting black fungus melanin; 2, immobilizing agaric melanin by taking sodium alginate as a carrier; and 3, making the agaric melanin jelly. The method solves the problem of poor dissolvability of the black fungus melanin, and can maintain the nutritional effect of the natural pigment. The jelly disclosed by the invention is sour, sweet, delicious, fine and smooth, and meets the sensory requirements of the public on the jelly.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a method for immobilizing fungus melanin using sodium alginate as a carrier and its application in the preparation of jelly. Background technique [0002] Fungus is a precious medicinal and edible fungus in my country, which is rich in nutrients and rich in melanin. Fungus melanin is easily soluble in alkaline solution, insoluble in water, acid and common organic reagents; it is a kind of high molecular polymer formed by the polymerization and oxidation of phenol or indole compounds, generally black or brown; studies have shown that it has Antioxidant, anti-radiation, antibacterial and antiviral, improve human immunity and other health care effects. As a natural pigment, fungus melanin is safe and non-toxic, and has many health-care functions for the human body. [0003] As a snack food, jelly is favored by young people. With the continuous development of m...

Claims

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Application Information

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IPC IPC(8): A23L5/43A23L31/00A23L21/15A23L29/256A23L33/10
CPCA23L5/43A23L31/00A23L21/15A23L29/256A23L33/10A23V2002/00A23V2200/04A23V2200/30A23V2200/324A23V2250/5026A23V2250/5036A23V2250/032A23V2300/14A23V2300/48A23V2250/1582A23V2250/1578
Inventor 王露瑶王璐叶淑红刘阳崔衍凌李宣彤宋敏贾兴海
Owner DALIAN POLYTECHNIC UNIVERSITY
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