阅读说明：本技术 一种咖啡裱花浆料及其制备方法和应用 (Coffee flower mounting slurry and preparation method and application thereof ) 是由 张寒 钟恺 刘伟 朱彦军 于 2019-09-16 设计创作，主要内容包括：本发明公开了一种咖啡裱花浆料及其制备方法和应用,属于食品加工技术领域,其中,咖啡裱花浆料的原来哦组成按总量百分比包括：糖粉40％-60％,氧化淀粉10％-20％,薯粉4％-6％,咖啡粉4％-6％,奶粉1％-2％,明胶1％-2％,水10％-20％。本发明采用糖粉、氧化淀粉、薯粉、咖啡粉等混合制作的咖啡裱花浆料,经过拉丝机将浆料拉到薯片上,再经过烘箱,将浆料烘干,这样烘焙的薯片风味独特,可以大大降低在烘干过程中出现质量缺陷的概率,又可以在夏季高温等恶劣环境下不融化粘片。(The invention discloses coffee decorating slurry as well as a preparation method and application thereof, belonging to the technical field of food processing, wherein the coffee decorating slurry comprises the following raw materials in percentage by weight: 40-60% of powdered sugar, 10-20% of oxidized starch, 4-6% of potato powder, 4-6% of coffee powder, 1-2% of milk powder, 1-2% of gelatin and 10-20% of water. The coffee flower-mounting slurry is prepared by mixing powdered sugar, oxidized starch, potato powder, coffee powder and the like, the slurry is pulled onto potato chips through a wire drawing machine, and the slurry is dried through an oven, so that the baked potato chips have unique flavor, the probability of quality defects in the drying process can be greatly reduced, and the sticking sheets can not be melted in severe environments such as high temperature in summer.)

1. The coffee decorating pulp is characterized by comprising the following raw materials by weight of 100 percent:

40-60% of powdered sugar, 10-20% of oxidized starch, 4-6% of potato powder, 4-6% of coffee powder, 1-2% of milk powder, 1-2% of gelatin and 10-20% of water.

2. the coffee decorating paste of claim 1 wherein the raw material composition comprises:

55-60% of powdered sugar, 16-20% of oxidized starch, 4-6% of potato powder, 4-6% of coffee powder, 1-2% of milk powder, 1-2% of gelatin and 10-20% of water.

3. The coffee mounting paste as recited in claim 1, wherein the ratio of white sugar to caramel in the sugar powder is 1: 0.9-1.1.

4. A preparation method of coffee decoration slurry is characterized by comprising the following steps:

(1) uniformly mixing white sugar and caramel in a ratio of 1: 0.9-1.1, and crushing the mixture into powdered sugar by using a sugar mill, wherein the fineness of the powdered sugar is 80-120 meshes;

(2) Adding 40-60% of powdered sugar, 10-20% of oxidized starch, 4-6% of potato powder, 4-6% of coffee powder and 1-2% of milk powder in a stirring cylinder in sequence, and uniformly stirring by using a stirrer;

(3) Mixing gelatin and water according to the proportion of 1: 5-20 to prepare a gelatin aqueous solution;

(4) Adding gelatin water solution which accounts for 11-22% of the total weight of the raw materials into the pre-mixed powder in the step (2), and uniformly stirring by using a beater;

(5) and stirring the stirred slurry in a heat-insulation storage tank at a low speed, keeping the surface of the slurry not solidified, and controlling the temperature of the slurry to be 40-60 ℃ to obtain the required coffee decoration slurry.

5. the method for preparing coffee mounting paste according to claim 4, wherein in the step (1), the white sugar and the caramel are uniformly mixed in a ratio of 1:1, and the sugar powder is pulverized to a fineness of 100 meshes by using a sugar mill.

6. the method for preparing coffee decorating paste as claimed in claim 4, wherein the specific process of the step (4) is as follows:

Adding gelatin water solution which accounts for 5.5-11% of the total weight of the raw materials, and uniformly stirring by using a stirring machine at a stirring speed of 50-70R/min for 50-70 seconds;

Adding the gelatin aqueous solution accounting for 5.5-11% of the total weight of the raw materials again, and continuously stirring at a constant speed of 120-140R/min by using a stirring machine for 70-90 seconds.

7. use of the coffee decorating paste according to any one of claims 1 to 3 in the preparation of potato chips.

8. use of a coffee mounting paste as claimed in claim 7 for the preparation of potato chips, comprising:

(1') conveying the coffee decoration slurry at 40-60 ℃ to decoration equipment by using a rotor pump, adjusting the frequency of a pressure reducing valve and the frequency of the rotor pump, and drawing and decorating the coffee decoration slurry on the surface of the potato chips;

And (2') baking the potato chips subjected to wire drawing and decorating in an oven to form the required potato chips with wire drawing and decorating.

9. A method for preparing coffee piping as claimed in claim 1, wherein in step (2'), the baking is carried out by the following steps:

The initial temperature of the oven is 95 ℃, after the wire-drawn potato chips enter the oven, the baking temperature rises to 105 ℃ at a constant speed in the 1 st minute, the baking temperature is maintained at 105 ℃ in the 1 st to 6 th minutes, the baking temperature is reduced to 95 ℃ at a constant speed in the 6 th to 7 th minutes, and the total baking time is 7 minutes.

Technical Field

the invention belongs to the field of food processing, and particularly relates to coffee decorating slurry as well as a preparation method and application thereof.

background

With the development of society and the improvement of living standard, people have more and more diversified requirements on food, the selection of some foods is not simply satisfied at the appetite level, and the people integrate artistic appreciation into the selection of the foods. By mounting patterns on the surfaces of some traditional foods, the taste of the foods is enriched, and the appearances of the foods are more attractive.

Chocolate is a sweet food made of cocoa butter and cocoa butter as main raw materials, has fine and sweet taste and strong fragrance, and is widely used as a decorative raw material.

For example, chinese patent publication No. CN105994683A discloses a decorative chocolate cream, which is prepared from the following raw materials: palm oil, rice bran oil, canola oil, cocoa powder, crystalline fructose, whole milk powder, kefir, locust bean gum, lecithin, polyglycerol polyricinoleate, cellulase and water.

chinese patent publication No. CN107811092A discloses a fresh meat chocolate product and its preparation method, which comprises preparing chocolate slurry and decorating slurry, pouring part of the chocolate slurry into a granulator for granulation, drying with a fluidized bed, dispersing into irregular chocolate powder pieces in a disperser, pouring the rest chocolate slurry into a small flowerpot for making chocolate base blank, scattering a layer of chocolate powder pieces, and then pasting with a plurality of meat patterns to obtain the fresh meat chocolate product.

In the field of leisure food, potato chips are popular among people due to crisp taste and various tastes. Fancy baked potato chips are produced in order to enrich the taste and enhance the aesthetic appeal of the chips.

However, the traditional fancy baked chips are basically decorated with chocolate. The quality defect of chocolate is easy to occur in the drying process, and the chocolate is easy to melt in summer, so that the product is sticky.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides coffee decoration slurry and a preparation method and application thereof, and the coffee decoration slurry can solve the problem that decoration is easy to melt and stick pieces in a high-temperature environment in summer.

The coffee decorating pulp comprises the following raw materials by weight percent of 100 percent:

40-60% of powdered sugar, 10-20% of oxidized starch, 4-6% of potato powder, 4-6% of coffee powder, 1-2% of milk powder, 1-2% of gelatin and 10-20% of water.

As an improvement of the scheme, the raw materials comprise:

55-60% of powdered sugar, 16-20% of oxidized starch, 4-6% of potato powder, 4-6% of coffee powder, 1-2% of milk powder, 1-2% of gelatin and 10-20% of water.

The ratio of white sugar to caramel in the sugar powder is 1: 0.9-1.1.

Correspondingly, the invention also provides a preparation method of the coffee decorating paste, which comprises the following steps:

(1) uniformly mixing white sugar and caramel in a ratio of 1: 0.9-1.1, and crushing the mixture into powdered sugar by using a sugar mill, wherein the fineness of the powdered sugar is 80-120 meshes;

(2) Adding 40-60% of powdered sugar, 10-20% of oxidized starch, 4-6% of potato powder, 4-6% of coffee powder and 1-2% of milk powder in a stirring cylinder in sequence, and uniformly stirring by using a stirrer;

(3) Mixing gelatin and water according to the proportion of 1: 5-20 to prepare a gelatin aqueous solution;

(4) Adding gelatin water solution which accounts for 11-22% of the total weight of the raw materials into the pre-mixed powder in the step (2), and uniformly stirring by using a beater;

(5) and stirring the stirred slurry in a heat-insulation storage tank at a low speed, keeping the surface of the slurry not solidified, and controlling the temperature of the slurry to be 40-60 ℃ to obtain the required coffee decoration slurry.

Preferably, in the step (1), the white sugar and the caramel are uniformly mixed according to the ratio of 1:1, and the sugar powder is ground to the fineness of 100 meshes by using a sugar mill.

the specific process of the step (4) is as follows:

Adding gelatin water solution which accounts for 5.5-11% of the total weight of the raw materials, and uniformly stirring by using a stirring machine at a stirring speed of 50-70R/min for 50-70 seconds;

Adding the gelatin aqueous solution accounting for 5.5-11% of the total weight of the raw materials again, and continuously stirring at a constant speed of 120-140R/min by using a stirring machine for 70-90 seconds.

the invention also discloses an application of the coffee flower pasting slurry in potato chip preparation.

The application of coffee flower-pasting pulp in preparing potato chips comprises the following steps:

(1') conveying the coffee decoration slurry at 40-60 ℃ to decoration equipment by using a rotor pump, adjusting the frequency of a pressure reducing valve and the frequency of the rotor pump, and drawing and decorating the coffee decoration slurry on the surface of the potato chips;

And (2') baking the potato chips subjected to wire drawing and decorating in an oven to form the required potato chips with wire drawing and decorating. The baking process comprises the following steps:

the initial temperature of the oven is 95 ℃, after the wire-drawn potato chips enter the oven, the baking temperature rises to 105 ℃ at a constant speed in the 1 st minute, the baking temperature is maintained at 105 ℃ in the 1 st to 6 th minutes, the baking temperature is reduced to 95 ℃ at a constant speed in the 6 th to 7 th minutes, and the total baking time is 7 minutes.

compared with the prior art, the invention has the following beneficial effects:

The invention adopts syrup prepared by mixing powdered sugar, starch and the like, and the sugar filaments are pulled onto the potato chips by a wire drawing machine and then dried by an oven; the baked potato chips have unique flavor, the probability of quality defects in the drying process can be greatly reduced, and the sticky chips can not be melted in severe environments such as high temperature in summer.

drawings

figure 1 is a schematic flow diagram of the process of making patterned baked chips using coffee patterning slurry in accordance with the present invention.

Detailed Description

The invention will be described in further detail below with reference to the drawings and examples, which are intended to facilitate the understanding of the invention without limiting it in any way.

The coffee decorating pulp comprises the following raw materials in parts by weight: 40-60% of powdered sugar, 10-20% of oxidized starch, 4-6% of potato powder, 4-6% of coffee powder, 1-2% of milk powder, 1-2% of gelatin and 10-20% of water.

As shown in fig. 1, the invention provides a preparation method of the coffee decorating paste, which specifically comprises the following steps:

step 1, uniformly mixing white sugar and caramel in a mixing ratio of 1: 0.9-1.1, and crushing the mixture into powdered sugar by using a sugar mill, wherein the fineness of the powdered sugar is 80-120 meshes.

And 2, preparing materials. And (3) sequentially adding the ground powdered sugar, the potato powder, the starch, the coffee powder and the milk powder into a stirring tank, and uniformly mixing the powder by using a stirrer.

And 3, uniformly mixing gelatin and water to prepare a mixed solution, wherein the mixing ratio of the gelatin to the water is 1: 5-20.

And 4, adding the mixed liquid into the premixed powder. Firstly, adding mixed liquid which accounts for 5.5 to 11 percent of the total weight of the raw materials, and uniformly stirring by using a beating machine at the second speed of KH-100L type beating machine for 1 minute.

And 5, adding the mixed solution accounting for 5.5-11% of the total weight of the raw materials again, and continuously stirring at a constant speed, wherein the stirring speed is the third-gear speed of the KH-100L type foaming machine, and the stirring time is 1 minute and 20 seconds.

And 6, stirring the slurry at a specific gravity of 0.9, stirring the stirred slurry at a low speed in a heat preservation storage tank, keeping the surface of the slurry not solidified, and controlling the temperature of the slurry at 40-60 ℃ to obtain the slurry for decorating the baked potato chips.

After the coffee decoration slurry is obtained, the slurry is further used for preparing fancy baked potato chips, and the steps are as follows:

and step 1', conveying the slurry at the temperature of 40-60 ℃ to pattern mounting equipment by using a rotor pump, adjusting valves such as a pressure reducing valve and the like, and controlling the frequency of the rotor pump to be 5hz so that the wire drawing syrup is stable and uniform.

And 2', baking in an oven, wherein the baking is divided into three stages. The initial temperature of the oven is 95 ℃, the baking temperature rises to 105 ℃ at a constant speed within the first minute after the oven enters the oven, the baking temperature is maintained at 105 ℃ in the 1 st to 6 th minutes, the baking temperature of the oven is reduced to 95 ℃ at a constant speed in the 6 th to 7 th minutes, and the total baking time is 7 minutes.

The slurry is fully mixed, drawn and baked to form a grey black drawn decoration with hard and crisp texture and strong three-dimensional sense, and the decoration syrup has special coffee syrup flavor, can be well combined with potato chips and can not be melted at the temperature of more than 60 ℃. The quality defect of the traditional wire drawing slurry in the drying process is well improved, and the phenomenon that the product is adhered due to easy melting in summer is easily avoided.

The following examples are intended to illustrate the invention in more detail. The embodiments of the present invention are not limited to the following specific examples. The present invention can be modified and implemented as appropriate within the scope of the main claim.