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A kind of food and ink technology, applied in the direction of ink, chemical instruments and methods, azo dyes, etc., to achieve the effect of rich colors, good adhesion and simple process
Inactive Publication Date: 2010-05-26
SERVICE CENT OF COMMLIZATION OF RES FINDINGS HAIAN COUNTY
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Summary
Abstract
Description
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Problems solved by technology
There have been a lot of research and application of edible inks abroad. They have achieved good results, but there are still relatively few studies in this area in China.
Method used
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preparation example Construction
[0024] The invention discloses a preparation method of edible ink, firstly preparing monascus red pigment and green pigment.
[0025] The specific implementation method of preparing monascus red pigment is as follows:
Embodiment 1-1
[0027] (1) First put 2KG of red yeast rice and 6KG of edible alcohol with a purity of 70% into a container and mix them, stir for 3 minutes, then let stand and soak for 24 hours, and then filter the soaked mixture for the first time .
[0028] (2) Then the filter residue after the first filtration and the edible alcohol with a purity of 70% are put into the container and mixed, and the weight ratio of the filter residue and edible alcohol is 1: 3; after stirring for 3 minutes, let stand and soak for 24 hours, and let stand Finally, the soaked mixed solution is filtered for the second time.
[0029] (3) Clarify the filtrate filtered for the first time and the filtrate filtered for the second time for 3 hours, filter the supernatant through a polyamide nanofiltration membrane, and place the colloid on the polyamide nanofiltration membrane at 50°C drying in a constant temperature oven to obtain the monascus red pigment.
[0030] (4) Repeat step (2) twice, soak for the third and...
Embodiment 1-2
[0032] (1) First put 3KG of red yeast rice and 15KG of edible alcohol with a purity of 75% into a container and mix them, stir for 4 minutes, then let stand and soak for 22 hours, and then filter the soaked mixture for the first time .
[0033] (2) Then the filter residue after the first filtration and the edible alcohol with a purity of 75% are put into the container and mixed, and the weight ratio of the filter residue and edible alcohol is 1:5; after stirring for 4 minutes, let it stand and soak for 22 hours, and let it stand Finally, the soaked mixed solution is filtered for the second time.
[0034] (3) Clarify the filtrate filtered for the first time and the filtrate filtered for the second time for 4 hours, filter the supernatant through a polyamide nanofiltration membrane, and place the colloid on the polyamide nanofiltration membrane at 60°C drying in a constant temperature oven to obtain the monascus red pigment.
[0035] (4) Repeat step (2) twice, soak for the thi...
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Abstract
The invention relates to a preparation method of an edible ink. Development of present ink which is directly printed on surface of food is not mature. The preparation method of the edible ink comprises the following steps: placing a binder, purified water, monascus red pigment or green pigment, diluent, thickener, emulsifier, stabilizer, defoamer and preservative in part by weight into a container, and mixing the binder, purified water, monascus red pigment or green pigment, diluent, thickener, emulsifier, stabilizer, defoamer and preservative under the condition of a constant temperature of 70 to 90 DEG C to ensure that edible raw materials are primarily mixed; placing the edible raw materials which are primarily mixed into a food mixing machine for mixing for 10 to 30 minutes at a speed of 30 to 50 revolutions per minute; then regulating the rotation speed of the food mixing machine, and remixing for 30 to 40 minutes at a speed of 80 to 120 revolutions per minute to ensure that the edible raw materials are fully mixed to obtain the edible ink. The preparation method of the edible ink has simple process, and can realize industrial application. The prepared edible ink has excellent print adaptability, wet friction resistance, good adhesive force, and can be directly printed on the surface of the food.
Description
technical field [0001] The invention belongs to the technical field of printing ink, relates to a preparation method of edible ink, in particular to a preparation method of edible ink used for screen printing. Background technique [0002] At present, people have begun to turn their ink targets to environmentally friendly inks, such as water-based inks, UV inks, water-based UV inks, etc., but these environmentally friendly inks cannot be directly printed on the surface of food, let alone eaten. For a long time, the food industry has printed simple patterns on the surface of food or added food coloring to food to give food bright colors and aesthetic feeling. Edible ink is the ink that is printed directly on the surface of food. Since the development of ink directly printed on the surface of food is immature, the color is monotonous and the image is simple. Words, graphics, and images that arouse people's appetite are printed on the surface of food, which can personalize pro...
Claims
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Application Information
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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/06C09D11/14C09B61/00
Inventor 胡更生沈宇晨项秀阳徐德英
Owner SERVICE CENT OF COMMLIZATION OF RES FINDINGS HAIAN COUNTY
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