CN113796443A - Formula and preparation process of coffee decoction pieces - Google Patents

Formula and preparation process of coffee decoction pieces Download PDF

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Publication number
CN113796443A
CN113796443A CN202111120616.9A CN202111120616A CN113796443A CN 113796443 A CN113796443 A CN 113796443A CN 202111120616 A CN202111120616 A CN 202111120616A CN 113796443 A CN113796443 A CN 113796443A
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parts
powder
coffee
oligosaccharide
effervescent
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江昊
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Nantong Yinqi Bio Tech Co ltd
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Nantong Yinqi Bio Tech Co ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00Coffee; Coffee substitutes; Preparations thereof
    • A23F5/10Treating roasted coffee; Preparations produced thereby
    • A23F5/14Treating roasted coffee; Preparations produced thereby using additives, e.g. milk, sugar; Coating, e.g. for preserving
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00Coffee; Coffee substitutes; Preparations thereof
    • A23F5/10Treating roasted coffee; Preparations produced thereby
    • A23F5/12Agglomerating, flaking or tabletting
    • A23F5/125Tablets or other similar solid forms

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

The invention relates to the technical field of coffee decoction pieces, and discloses a coffee decoction piece which comprises the following raw materials in parts by weight: 5-50 parts of coffee powder, 15-60 parts of effervescent powder, 10-40 parts of desensitized lactose-removed milk powder, 5-30 parts of natto extract, 2-10 parts of L-arabinose and 10-30 parts of oligosaccharide, wherein the effervescent powder comprises an effervescent powder acid agent and an effervescent powder alkali agent in a ratio of 3:1, the coffee powder is instant coffee powder, and the oligosaccharide is xylo-oligosaccharide or fructo-oligosaccharide. The milk powder without lactose and allergen replaces common milk powder, xylo-oligosaccharide, fructo-oligosaccharide and L-arabinose replace commonly used cane sugar in the formula, the L-arabinose is an inhibitor of sucrase in a human body, can block the absorption of the human body to the cane sugar, avoids a plurality of health problems caused by the cane sugar, and the xylo-oligosaccharide and the fructo-oligosaccharide are prebiotics, can solve the problem of constipation and strengthen probiotic groups in intestinal tracts.

Description

Formula and preparation process of coffee decoction pieces
Technical Field
The invention relates to the technical field of coffee decoction pieces, in particular to a formula and a preparation process of coffee decoction pieces.
Background
Coffee is a beverage made from roasted and ground coffee beans, is one of three major beverages in the world, is popular in the world as cocoa and tea, and contains caffeine, and a proper amount of caffeine can accelerate metabolism, promote digestion, improve constipation, and improve skin roughness.
The coffee mate is added in the actual making process of the existing instant coffee, the coffee mate has the function of replacing fresh milk, the main components are milk powder and sugar, the function is to improve the taste, provide balanced nutrition and endow the product with milk feeling, but trans-fatty acid in the coffee mate can cause various hazards to human bodies:
1. the high incidence of cardiovascular diseases is possibly caused, and researches show that the incidence rate of myocardial infarction is closely related to the intake of trans-fatty acid;
2. causing a high incidence of diabetes, numerous studies have shown that the risk of developing diabetes gradually increases with increased intake of trans fatty acids.
Even if milk is added, the coffee drink slice can also cause discomfort to certain people who are allergic to milk or have lactose intolerance, a large amount of sugar is often added in order to cover the bitter taste of coffee, the sugar not only can cause obesity and fatty liver, but also can cause dark yellow skin and aging, and the development of healthy coffee products has important significance, so that the formula and the preparation process of the coffee drink slice are provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
The formula and the preparation process of the coffee decoction pieces are characterized in that the natto extract is added, the natto extract which is thermolabile and easy to degrade by gastric juice is processed by an embedding technology, the prepared coffee product is healthy and easy to absorb, and the problem that coffee mate in the traditional coffee contains trans-fatty acid and can cause various hazards to a human body is solved.
(II) technical scheme
In order to achieve the purpose of health and easy absorption, the invention provides the following technical scheme: the coffee decoction pieces comprise the following raw materials in parts by weight: 5-50 parts of coffee powder, 15-60 parts of effervescent powder, 10-40 parts of desensitized lactose-removed milk powder, 5-30 parts of natto extract, 2-10 parts of L-arabinose and 10-30 parts of oligosaccharide.
Preferably, 5 parts of coffee powder, 15 parts of effervescent powder, 10 parts of desensitized lactose-removed milk powder, 5 parts of natto extract, 2 parts of L-arabinose and 10 parts of oligosaccharide.
Preferably, 50 parts of coffee powder, 60 parts of effervescent powder, 40 parts of desensitized lactose-removed milk powder, 30 parts of natto extract, 10 parts of L-arabinose and 30 parts of oligosaccharide.
Preferably, 28 parts of coffee powder, 38 parts of effervescent powder, 25 parts of desensitized lactose-removed milk powder, 17 parts of natto extract, 6 parts of L-arabinose and 20 parts of oligosaccharide.
Preferably, the effervescent powder comprises an effervescent powder acid agent and an effervescent powder alkali agent, the ratio of the effervescent powder acid agent to the effervescent powder alkali agent is 3:1, the coffee powder is instant coffee powder, and the oligosaccharide is xylo-oligosaccharide or fructo-oligosaccharide.
Another technical problem to be solved by the present invention is to provide a process for preparing coffee tablets, comprising the following steps:
s1, dividing 5-50 parts of instant coffee powder into A part and B part, wherein the proportion of A to B is 1:1, and mixing the coffee powder of the A part with an effervescent souring agent to obtain a mixture C1;
s2, mixing the coffee powder of the part B in the step S1 with an effervescent powder alkaline agent to obtain a mixture C2;
s3, fully mixing the mixture C1 and the mixture C2 prepared in the above steps with 10-40 parts of desensitized lactose-removed milk powder, 5-30 parts of natto extract, 2-10 parts of L-arabinose powder and 10-30 parts of oligosaccharide, and tabletting to obtain the healthy coffee tablet.
Preferably, the preparation of the desensitized delactosed milk powder comprises the following steps: heating lactose-removed milk to 65 ℃, adjusting the pH value to 6, adding papain, adding 1-5 g of milk per liter, reacting for 2-8 hours, adjusting the temperature to 50 ℃ after the papain reacts, adding flavourzyme, adding 0.3 g of milk per liter, reacting for 1-5 hours, adjusting the pH value to 6.3-6.8 after the reaction is finished, maintaining the temperature at 85 ℃ for 30 minutes, and performing spray drying after concentration to obtain the desensitized lactose-removed milk powder.
Preferably, the natto extract is prepared by the following steps: crushing soybeans, cooling to 30-37 ℃ after cooking, inoculating bacillus natto bacteria liquid, fermenting for 18-48 hours, adding 3-10 times of distilled water, homogenizing, centrifuging, removing insoluble substances, carrying out first filtration on supernatant, controlling the membrane pore size temperature to be 0.1 micron to obtain macromolecular filtrate and micromolecular filtrate, concentrating the micromolecular filtrate by using a filter membrane with the pore size of 2000 Dalton to obtain 500 parts by volume of concentrated solution, adding 1 part of konjac glucomannan and 3.5 parts of sodium alginate into the concentrated solution, slowly pouring the concentrated solution into 1000 parts of 200-inch soybean oil for emulsification and homogenization after uniform dispersion, adding 0.1moL of calcium chloride, standing for 30 minutes, centrifuging to obtain precipitate, cleaning, drying at normal pressure to obtain natto extract D1, carrying out reduced pressure distillation on the macromolecular filtrate at 35-50 ℃ until the water content is below 60-70%, adding 95% ethanol with the volume of 2 times to carry out precipitation, vacuum drying or freeze drying the precipitate at low temperature, and pulverizing to obtain natto extract D2.
Preferably, the ratio of the natto extract D1 to the natto extract D2 in the added natto extract is 1: 50-1:300.
(III) advantageous effects
Compared with the prior art, the invention provides a formula and a preparation process of coffee decoction pieces, and the formula and the preparation process have the following beneficial effects:
1. the formula and the preparation process of the coffee decoction piece are characterized in that natto extract is added and is subjected to fractionation processing to obtain natto extract D1 and natto extract D2, natto extract D1 is rich in natto kinase, natto kinase has the functions of dissolving thrombus and reducing blood pressure, but the natto kinase is poor in heat resistance and easy to survive, after the natto extract D2 is embedded, the heat resistance is enhanced, and the natto extract D3526 can resist the degradation of gastric juice, is rich in polyglutamic acid and replaces a coffee mate containing trans-fatty acid, and the natto extract contains high molecular protein polyglutamic acid, can increase the smooth and mellow taste of coffee and can increase the absorption of trace elements by a human body;
2. according to the formula and the preparation process of the coffee decoction pieces, the common milk powder is replaced by the lactose-removed and allergen-removed milk powder, commonly used cane sugar is replaced by xylo-oligosaccharide, fructo-oligosaccharide and L-arabinose in the formula, the L-arabinose is an inhibitor of sucrase in a human body, the absorption of the human body to the cane sugar can be blocked, a plurality of health problems caused by the cane sugar are avoided, the xylo-oligosaccharide and the fructo-oligosaccharide are both prebiotics, the constipation problem can be solved, and the probiotic groups in intestinal tracts can be strengthened.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the coffee decoction piece in the embodiment comprises the following raw materials in parts by weight: 5 parts of coffee powder, 15 parts of effervescent powder, 10 parts of desensitized lactose-removed milk powder, 5 parts of natto extract, 2 parts of L-arabinose and 10 parts of oligosaccharide.
Wherein the effervescent powder comprises an effervescent powder acid agent and an effervescent powder alkali agent, the ratio of the effervescent powder acid agent to the effervescent powder alkali agent is 3:1, the coffee powder is instant coffee powder, and the oligosaccharide is xylo-oligosaccharide or fructo-oligosaccharide.
The effervescent souring agent may be citric acid or malic acid, but is not limited thereto, and may be any conventional effervescent souring agent having the same effect as that known to the public in the art, and the effervescent base agent may be sodium carbonate or sodium bicarbonate, but is not limited thereto, and may be any conventional effervescent souring agent having the same effect as that known to the public in the art.
The preparation process for preparing the coffee decoction pieces by using the formula comprises the following steps:
s1, dividing 5 parts of instant coffee powder into A part and B part, wherein the proportion of A to B is 1:1, and mixing the coffee powder of the A part with an effervescent souring agent to obtain a mixture C1;
s2, mixing the coffee powder of the part B in the step S1 with an effervescent powder alkaline agent to obtain a mixture C2;
s3, fully mixing the mixture C1 and the mixture C2 prepared in the step with 10 parts of desensitized lactose-free milk powder, 5 parts of natto extract, 2 parts of L-arabinose powder and 10 parts of oligosaccharide, and tabletting to obtain the healthy coffee tablet.
The preparation method of the desensitized lactose-removed milk powder comprises the following steps: heating lactose-removed milk to 65 ℃, adjusting the pH value to 6, adding papain, adding 1 g of papain per liter of milk, reacting for 2 hours according to the difference of enzyme activity, adjusting the temperature to 50 ℃ after the papain reacts, adding flavourzyme, adding 0.3 g of flavourzyme per liter of milk, keeping the enzyme amount of 5 units of protein per gram, reacting for 1 hour, adjusting the pH value to 6.3 after the reaction is finished, maintaining the temperature at 85 ℃ for 30 minutes, and performing spray drying after concentration to obtain the desensitized lactose-removed milk powder.
Meanwhile, the preparation of the natto extract comprises the following steps: crushing soybeans, cooling to 30 ℃ after cooking, inoculating bacillus natto bacteria liquid, fermenting for 18 hours, adding 3 times of distilled water, homogenizing, centrifuging, removing insoluble substances, carrying out first filtration on supernatant, controlling the membrane pore size temperature to be 0.1 micron to obtain macromolecular filtrate and micromolecular filtrate, concentrating the micromolecular filtrate by using a filter membrane with the pore size of 2000 daltons to obtain 100 parts of concentrated solution, adding 1 part of konjac glucomannan and 3.5 parts of sodium alginate into the concentrated solution, dispersing uniformly, slowly pouring 200 parts of soybean oil for emulsification and homogenization, adding 0.1moL of calcium chloride, standing for 30 minutes, centrifuging to obtain precipitate, cleaning, drying at normal pressure to obtain natto extract D1, carrying out reduced pressure distillation on the macromolecular filtrate at 35 ℃ until the water content is below 60%, adding 2 times of 95% ethanol for precipitation, drying the precipitate at low temperature under vacuum or freeze drying, crushing to obtain natto extract D2, the ratio of natto extract D1 to natto extract D2 in the added natto extract is 1: 50.
example two:
the coffee decoction piece in the embodiment comprises the following raw materials in parts by weight: 50 parts of coffee powder, 60 parts of effervescent powder, 40 parts of desensitized lactose-removed milk powder, 30 parts of natto extract, 10 parts of L-arabinose and 30 parts of oligosaccharide.
Wherein the effervescent powder comprises an effervescent powder acid agent and an effervescent powder alkali agent, the ratio of the effervescent powder acid agent to the effervescent powder alkali agent is 3:1, the coffee powder is instant coffee powder, and the oligosaccharide is xylo-oligosaccharide or fructo-oligosaccharide.
The effervescent souring agent may be citric acid or malic acid, but is not limited thereto, and may be any conventional effervescent souring agent having the same effect as that known to the public in the art, and the effervescent base agent may be sodium carbonate or sodium bicarbonate, but is not limited thereto, and may be any conventional effervescent souring agent having the same effect as that known to the public in the art.
The preparation process for preparing the coffee decoction pieces by using the formula comprises the following steps:
s1, dividing 50 parts of instant coffee powder into A and B parts, wherein the proportion of A to B is 1:1, and mixing the coffee powder of the A part with an effervescent souring agent to obtain a mixture C1;
s2, mixing the coffee powder of the part B in the step S1 with an effervescent powder alkaline agent to obtain a mixture C2;
s3, fully mixing the mixture C1 and the mixture C2 prepared in the step with 40 parts of desensitized delactosed milk powder, 30 parts of natto extract, 10 parts of L-arabinose powder and 30 parts of oligosaccharide, and tabletting to obtain the healthy coffee tablet.
The preparation method of the desensitized lactose-removed milk powder comprises the following steps: heating lactose-removed milk to 65 ℃, adjusting the pH value to 6, adding papain, adding 5 g of papain per liter of milk, reacting for 8 hours according to the difference of enzyme activity, adjusting the temperature to 50 ℃ after the papain reacts, adding flavourzyme, adding 0.3 g of flavourzyme per liter of milk, keeping the enzyme amount of 20 units of protein per gram, reacting for 5 hours, adjusting the pH value to 6.8 after the reaction is finished, maintaining the temperature at 85 ℃ for 30 minutes, and performing spray drying after concentration to obtain the desensitized lactose-removed milk powder.
Meanwhile, the preparation of the natto extract comprises the following steps: crushing soybeans, cooling to 37 ℃ after cooking, inoculating bacillus natto bacterial liquid, fermenting for 48 hours, adding 10 times of distilled water, homogenizing, centrifuging, removing insoluble substances, carrying out first filtration on supernatant, controlling the membrane pore size temperature to be 0.1 micrometer to obtain macromolecular filtrate and micromolecular filtrate, concentrating the micromolecular filtrate by using a filter membrane with the pore size of 2000 daltons to obtain 500 parts of concentrated solution, adding 1 part of konjac glucomannan and 3.5 parts of sodium alginate into the concentrated solution, dispersing uniformly, slowly pouring the mixture into 1000 parts of soybean oil for emulsification and homogenization, adding 0.1moL of calcium chloride, standing for 30 minutes, centrifuging to obtain precipitate, cleaning, and drying at normal pressure to obtain a natto extract D1; distilling the macromolecular filtrate at 50 deg.C under reduced pressure until the water content is below 70%, adding 2 times volume of 95% ethanol for precipitation, vacuum drying or freeze drying the precipitate at low temperature, and pulverizing to obtain semen Sojae Preparatum extract D2, wherein the ratio of semen Sojae Preparatum extract D1 to semen Sojae Preparatum extract D2 in the added semen Sojae Preparatum extract is 1: 300.
Example three:
the coffee decoction piece in the embodiment comprises the following raw materials in parts by weight: 28 parts of coffee powder, 38 parts of effervescent powder, 25 parts of desensitized lactose-removed milk powder, 17 parts of natto extract, 6 parts of L-arabinose and 20 parts of oligosaccharide.
Wherein the effervescent powder comprises an effervescent powder acid agent and an effervescent powder alkali agent, the ratio of the effervescent powder acid agent to the effervescent powder alkali agent is 3:1, the coffee powder is instant coffee powder, and the oligosaccharide is xylo-oligosaccharide or fructo-oligosaccharide.
The effervescent souring agent may be citric acid or malic acid, but is not limited thereto, and may be any conventional effervescent souring agent having the same effect as that known to the public in the art, and the effervescent base agent may be sodium carbonate or sodium bicarbonate, but is not limited thereto, and may be any conventional effervescent souring agent having the same effect as that known to the public in the art.
The preparation process for preparing the coffee decoction pieces by using the formula comprises the following steps:
s1, dividing 28 parts of instant coffee powder into A part and B part, wherein the proportion of A to B is 1:1, and mixing the coffee powder of the A part with an effervescent souring agent to obtain a mixture C1;
s2, mixing the coffee powder of the part B in the step S1 with an effervescent powder alkaline agent to obtain a mixture C2;
s3, fully mixing the mixture C1 and the mixture C2 prepared in the step with 25 parts of desensitized lactose-free milk powder, 17 parts of natto extract, 6 parts of L-arabinose powder and 20 parts of oligosaccharide, and tabletting to obtain the healthy coffee tablet.
The preparation method of the desensitized lactose-removed milk powder comprises the following steps: heating lactose-removed milk to 65 ℃, adjusting the pH value to 6, adding papain, adding 3 g of papain per liter of milk, reacting for 5 hours according to the difference of enzyme activity, adjusting the temperature to 50 ℃ after the papain reacts, adding flavourzyme, adding 0.3 g of flavourzyme per liter of milk, keeping the enzyme amount of 12 units of protein per gram, reacting for 3 hours, adjusting the pH value to 6.5 after the reaction is finished, maintaining the temperature at 85 ℃ for 30 minutes, and performing spray drying after concentration to obtain the desensitized lactose-removed milk powder.
Meanwhile, the preparation of the natto extract comprises the following steps: crushing soybeans, cooling to 33 ℃ after cooking, inoculating bacillus natto bacterial liquid, fermenting for 33 hours, adding 6 times of distilled water, homogenizing, centrifuging, removing insoluble substances, filtering supernatant for the first time, controlling the membrane pore size temperature to be 0.1 micron to obtain macromolecular filtrate and micromolecular filtrate, concentrating the micromolecular filtrate by using a filter membrane with the pore size of 2000 daltons to obtain 300 parts of concentrated solution, adding 1 part of konjac glucomannan and 3.5 parts of sodium alginate into the concentrated solution, slowly pouring the concentrated solution into 600 parts of soybean oil after uniform dispersion, emulsifying and homogenizing, adding 0.1moL of calcium chloride, standing for 30 minutes, centrifuging to obtain precipitate, cleaning, and drying at normal pressure to obtain a natto extract D1; distilling the macromolecular filtrate at 42 ℃ under reduced pressure until the water content is below 65%, adding 95% ethanol with 2 times of volume for precipitation, vacuum drying or freeze drying the precipitate at low temperature, and pulverizing to obtain natto extract D2, wherein the ratio of natto extract D1 to natto extract D2 in the added natto extract is 1: 175.
the invention has the beneficial effects that:
1. the natto extract is added and is subjected to fractionation processing to be natto extract D1 and natto extract D2, the natto extract D1 is rich in natto kinase, the natto kinase has the functions of dissolving thrombus and reducing blood pressure, but the natto kinase is poor in heat resistance and easy to activate, after being embedded, the natto extract D2 is enhanced in heat resistance and can resist the degradation of gastric juice, the natto extract D2 is rich in polyglutamic acid and replaces coffee mate containing trans-fatty acid, the natto extract contains high molecular protein polyglutamic acid, the smooth and thick taste of coffee can be increased, and the absorption of trace elements by a human body can be increased;
2. the milk powder without lactose and allergen replaces common milk powder, xylo-oligosaccharide, fructo-oligosaccharide and L-arabinose replace commonly used cane sugar in the formula, the L-arabinose is an inhibitor of sucrase in a human body, can block the absorption of the human body to the cane sugar, avoids a plurality of health problems caused by the cane sugar, and the xylo-oligosaccharide and the fructo-oligosaccharide are prebiotics, can solve the problem of constipation and strengthen probiotic groups in intestinal tracts.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The coffee decoction piece is characterized by comprising the following raw materials in parts by weight: 5-50 parts of coffee powder, 15-60 parts of effervescent powder, 10-40 parts of desensitized lactose-removed milk powder, 5-30 parts of natto extract, 2-10 parts of L-arabinose and 10-30 parts of oligosaccharide.
2. The coffee decoction piece as claimed in claim 1, which comprises the following raw materials in parts by weight: 5 parts of coffee powder, 15 parts of effervescent powder, 10 parts of desensitized lactose-removed milk powder, 5 parts of natto extract, 2 parts of L-arabinose and 10 parts of oligosaccharide.
3. The coffee decoction piece as claimed in claim 1, which comprises the following raw materials in parts by weight: 50 parts of coffee powder, 60 parts of effervescent powder, 40 parts of desensitized lactose-removed milk powder, 30 parts of natto extract, 10 parts of L-arabinose and 30 parts of oligosaccharide.
4. The coffee decoction piece as claimed in claim 1, which comprises the following raw materials in parts by weight: 28 parts of coffee powder, 38 parts of effervescent powder, 25 parts of desensitized lactose-removed milk powder, 17 parts of natto extract, 6 parts of L-arabinose and 20 parts of oligosaccharide.
5. The coffee decoction piece according to any one of claims 1 to 4, wherein the effervescent powder comprises an effervescent powder acid agent and an effervescent powder alkali agent, the ratio of the effervescent powder acid agent to the effervescent powder alkali agent is 3:1, the coffee powder is instant coffee powder, and the oligosaccharide is xylo-oligosaccharide or fructo-oligosaccharide.
6. The preparation process of the coffee decoction pieces is characterized by comprising the following steps of:
s1, dividing 5-50 parts of instant coffee powder into A part and B part, wherein the proportion of A to B is 1:1, and mixing the coffee powder of the A part with an effervescent souring agent to obtain a mixture C1;
s2, mixing the coffee powder of the part B in the step S1 with an effervescent powder alkaline agent to obtain a mixture C2;
s3, fully mixing the mixture C1 and the mixture C2 prepared in the above steps with 10-40 parts of desensitized lactose-removed milk powder, 5-30 parts of natto extract, 2-10 parts of L-arabinose powder and 10-30 parts of oligosaccharide, and tabletting to obtain the healthy coffee tablet.
7. The process for preparing coffee tablets as claimed in claim 6, wherein the preparation of desensitized delactosed milk powder comprises the following steps: heating lactose-removed milk to 65 ℃, adjusting the pH value to 6, adding papain, adding 1-5 g of milk per liter, reacting for 2-8 hours, adjusting the temperature to 50 ℃ after the papain reacts, adding flavourzyme, adding 0.3 g of milk per liter, reacting for 1-5 hours, adjusting the pH value to 6.3-6.8 after the reaction is finished, maintaining the temperature at 85 ℃ for 30 minutes, and performing spray drying after concentration to obtain the desensitized lactose-removed milk powder.
8. The process for preparing coffee tablets as claimed in claim 6, wherein the preparation of natto extract comprises the following steps: crushing soybeans, cooling to 30-37 ℃ after cooking, inoculating bacillus natto bacteria liquid, fermenting for 18-48 hours, adding 3-10 times of distilled water, homogenizing, centrifuging, removing insoluble substances, carrying out first filtration on supernatant, controlling the membrane pore size temperature to be 0.1 micron to obtain macromolecular filtrate and micromolecular filtrate, concentrating the micromolecular filtrate by using a filter membrane with the pore size of 2000 Dalton to obtain 500 parts by volume of concentrated solution, adding 1 part of konjac glucomannan and 3.5 parts of sodium alginate into the concentrated solution, slowly pouring the concentrated solution into 1000 parts of 200-inch soybean oil for emulsification and homogenization after uniform dispersion, adding 0.1moL of calcium chloride, standing for 30 minutes, centrifuging to obtain precipitate, cleaning, drying at normal pressure to obtain natto extract D1, carrying out reduced pressure distillation on the macromolecular filtrate at 35-50 ℃ until the water content is below 60-70%, adding 95% ethanol with the volume of 2 times to carry out precipitation, vacuum drying or freeze drying the precipitate at low temperature, and pulverizing to obtain natto extract D2.
9. The process for preparing coffee tablets as claimed in claim 8, wherein the ratio of natto extract D1 to natto extract D2 in the added natto extract is 1: 50-1:300.
CN202111120616.9A 2021-09-24 2021-09-24 Formula and preparation process of coffee decoction pieces Pending CN113796443A (en)

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