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Method for preparing caramel pigment from cane molasses

A technology of sugarcane molasses and caramel pigment, applied in chemical instruments and methods, azo dyes, organic dyes, etc., can solve the problems of easy carbonization, precipitation, unfavorable production and application of caramel pigment, etc.

Inactive Publication Date: 2020-10-27
南宁雄晋生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, sugarcane molasses also contains colloids, ash, crude protein, amino acids, starch and other substances, which are extremely unfavorable for the production and application of caramel pigments. Due to the existence of ash, the finished caramel pigments will appear in large quantities when dissolved in water; colloidal substances Existence, it is easy to carbonize when heated and boiled

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of method utilizing sugarcane molasses to prepare caramel pigment, specifically comprises the following steps:

[0022] (1) add distilled water in sugarcane molasses and be mixed with mass percent concentration and be 25% sugarcane molasses solution, adjust pH to be 4.5, add 0.2‰ compound enzyme agent of sugarcane molasses quality in sugarcane molasses solution, be warming up to 45 ℃, keep warm for 1.5 h; warming up to 60°C, adding 2.5% sucrase of sugarcane molasses quality, the activity of sucrase is 2*10 4 U / g, keep warm for 3h; heat up to 90°C and keep warm for 10min to obtain a pretreated sugarcane molasses solution; the compound enzyme agent is made up of the following mass percentages: amylase 18%, pullulanase 8%, pectinase 50% , protease 24%, amylase activity 2*10 4 U / g, pullulanase activity is 1*10 4 U / g, pectinase activity is 5*10 4 U / g, protease activity is 1*10 5 U / g;

[0023] (2) Add 0.15% chitosan and 0.08% sodium carboxymethylcellulose of sugar...

Embodiment 2

[0027] A kind of method utilizing sugarcane molasses to prepare caramel pigment, specifically comprises the following steps:

[0028] (1) Add distilled water to the sugarcane molasses to prepare a 25% sugarcane molasses solution by mass percentage, adjust the pH to 5, add 0.1‰ compound enzyme agent of sugarcane molasses quality to the molasses solution, heat up to 50°C, and warm for 1.5h ; Warm up to 60°C, add 2% sucrase of sugarcane molasses quality, the activity of sucrase is 2*10 4 U / g, keep warm for 3h; heat up to 90°C and keep warm for 10min to obtain a pretreated sugarcane molasses solution; the compound enzyme agent is composed of the following mass percentages: amylase 15%, pullulanase 10%, pectinase 48% , protease 27%, amylase activity 2*10 4 U / g, pullulanase activity is 1*10 4 U / g, pectinase activity is 5*10 4 U / g, protease activity is 1*10 5 U / g;

[0029] (2) Add 0.2% chitosan and 0.1% sodium carboxymethylcellulose of sugarcane molasses quality to the sugarcane...

Embodiment 3

[0033] A kind of method utilizing sugarcane molasses to prepare caramel pigment, specifically comprises the following steps:

[0034] (1) adding distilled water to sugarcane molasses to prepare a 30% sugarcane molasses solution by mass percentage, adjusting the pH to 5.5, adding 0.15‰ compound enzyme agent of sugarcane molasses quality to the molasses solution, heating up to 55°C, and warming for 1h; Heat up to 65°C, add 3% sucrase of sugar cane molasses quality, the activity of sucrase is 2*10 4 U / g, keep warm for 2h; heat up to 95°C and keep warm for 10min to obtain a pretreated sugarcane molasses solution; the compound enzyme agent is composed of the following mass percentages: amylase 12%, pullulanase 10%, pectinase 50% , protease 28%, amylase activity 2*10 4 U / g, pullulanase activity is 1*10 4 U / g, pectinase activity is 5*10 4 U / g, protease activity is 1*10 5 U / g;

[0035] (2) Add 0.15% chitosan and 0.06% sodium carboxymethylcellulose of sugarcane molasses quality to...

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Abstract

The invention relates to the technical field of caramel pigment processing, and particularly discloses a method for preparing caramel pigment from cane molasses. The method comprises the following steps of preparing a cane molasses solution from the cane molasses, regulating a pH value to 4-6, adding a complex enzyme agent, and keeping the temperature at 40-55 DEG C for 1-1.5 hours; heating to 60-65 DEG C, adding sucrase, and keeping the temperature for 2-3 hours; raising the temperature to 85-95 DEG C and keeping the temperature for 10-15 minutes to obtain a pretreated cane molasses solution;adding chitosan and sodium carboxymethylcellulose into the pretreated cane molasses solution, stirring for 30-40 minutes, and centrifugally collecting supernate; and adding amino acid into the supernate, heating to 140-150 DEG C, keeping the temperature to react for 1-2 hours, cooling to obtain a reaction product, concentrating and drying to obtain the caramel pigment. According to the method disclosed by the invention, colloid, protein, ash and other substances in the cane molasses are removed, and the prepared caramel pigment is high in color index and good in clarity.

Description

technical field [0001] The invention belongs to the technical field of caramel pigment processing, in particular to a method for preparing caramel pigment from sugarcane molasses. Background technique [0002] Caramel pigment, commonly known as caramel color, is a natural colorant widely used in food, brewing, beverage and other industries. It occupies an important position in the food color market and is currently the most widely used food additive in the food industry. With the rapid development of the food industry, the use of caramel coloring is increasing, and caramel coloring has become an important part of many products, and its quality requirements are getting higher and higher. At present, the production of caramel pigment mostly uses sucrose, glucose and hydrolyzed sugar of starchy raw materials. Among the sugar raw materials for the production of caramel pigment, sugar cane molasses has a wide range of sources and is cheap. Cane molasses is the remaining substan...

Claims

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Application Information

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IPC IPC(8): C12P1/00C09B61/00
CPCC09B61/00C12P1/00
Inventor 玉小金吕薛飞李爱玲梁丽娟
Owner 南宁雄晋生物科技有限公司
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