CN114431329A - Low-moisture hawthorn peel and preparation method thereof, low-moisture hawthorn chocolate nut kernel and preparation method thereof - Google Patents
Low-moisture hawthorn peel and preparation method thereof, low-moisture hawthorn chocolate nut kernel and preparation method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
- A23G3/34—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof
- A23G3/36—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof characterised by the composition containing organic or inorganic compounds
- A23G3/48—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof characterised by the composition containing organic or inorganic compounds containing plants or parts thereof, e.g. fruits, seeds, extracts
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G1/00—Cocoa; Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/30—Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/305—Products for covering, coating, finishing, decorating
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
- A23G3/34—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof
- A23G3/36—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof characterised by the composition containing organic or inorganic compounds
- A23G3/42—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof characterised by the composition containing organic or inorganic compounds characterised by the carbohydrates used, e.g. polysaccharides
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
- A23G3/34—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof
- A23G3/50—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof characterised by shape, structure or physical form, e.g. products with supported structure
- A23G3/54—Composite products, e.g. layered, coated, filled
- A23G3/545—Composite products, e.g. layered, coated, filled hollow products, e.g. with inedible or edible filling, fixed or movable within the cavity
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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Abstract
The invention provides low-moisture hawthorn peel and a manufacturing method thereof, and low-moisture hawthorn chocolate nut kernel and a manufacturing method thereof. The hawthorn peel with low water content of less than or equal to 5 percent and good Q feeling and flexibility is prepared. When the water content of the common formula hawthorn peel is 5%, the glass transition temperature is as high as 60 ℃, the common formula hawthorn peel is in a hard and brittle state without Q feeling and extremely poor flexibility at normal temperature, while the formula hawthorn peel has the glass transition temperature of-5 ℃, and the common formula hawthorn peel is in a Q elastic state and good flexibility at normal temperature. The hawthorn peel wraps the chocolate and the nuts, so that the product not only has the characteristic of chocolate popping and silky, but also has good thermal stability and mouthfeel maintaining stability, does not need harsh storage logistics conditions, and can have a shelf life of more than 6 months.
Description
Technical Field
The invention belongs to the field of food, and particularly relates to low-moisture hawthorn peel and a preparation method thereof, and low-moisture hawthorn chocolate nut kernels and a preparation method thereof.
Background
As is well known, although chocolate has a silky mouthfeel, chocolate cannot resist high temperature, and has a great challenge in storage and logistics, and most of commercial chocolate and products thereof face the problem. In addition, the hawthorn product (such as hawthorn peel/hawthorn bark) generally contains high moisture (the moisture content is 15-20%), the cooked nut kernel generally has very low moisture (the moisture content is less than or equal to 3%) so as to achieve the crisp mouthfeel of the nut, the simple combination of the two nuts can easily generate moisture migration, the mouthfeel of the hawthorn product is rigid, the mouthfeel of the nut becomes not crisp, according to data statistics, the hawthorn product and the cooked nut kernel are simply combined, the time for the two nuts to obviously change is 15-20 days, for example, a dry-wet separation packaging technology applied to daily nuts of three squirrels is a packaging form invented for solving the problem.
Disclosure of Invention
The invention aims to provide low-moisture hawthorn peel and a preparation method thereof, and the hawthorn peel with low moisture, good Q feeling and good flexibility is prepared by improving a formula of common hawthorn peel.
The invention also aims to provide a low-moisture hawthorn chocolate nut kernel and a preparation method thereof, wherein the low-moisture hawthorn peel is adopted to wrap chocolate and the nut kernel, so that the chocolate is melted at high temperature but does not flow outwards, and the problem that the moisture is easy to migrate when the hawthorn peel (with the moisture of 15-20%) and the nut kernel (with the moisture of less than or equal to 3%) are combined in a common formula is solved.
The specific technical scheme of the invention is as follows:
the low-moisture hawthorn peel comprises the following raw materials in parts by mass:
the sorbitol solution is a commercial product, and has a mass concentration of 70 +/-1%:
the preparation method of the fresh hawthorn fruit paste comprises the following steps: crushing fresh hawthorn fruits by using a crusher, and removing hawthorn seeds by using a 20-60-mesh screen to obtain fresh hawthorn fruit paste.
The preparation method of the low-moisture hawthorn peel provided by the invention comprises the following steps: uniformly mixing the fresh hawthorn fruits, the glutinous rice flour, the sorbitol solution and the glycerol according to the formula ratio, wherein the mixed solution has good fluidity, the uniformly mixed material is flattened to a thickness of 2-10mm, and the thickness is reduced to 1-5mm after baking, because the thin skin is easy to break and not easy to follow-up operation, and the thick skin is difficult to bake to low moisture. The baking temperature is 30-100 ℃, the baking time is 1-10h, and the baking is carried out until the moisture content is 0.5-5%. The baked product tastes Q elastic at normal temperature, has good flexibility and plasticity, and cannot become crisp. The thickness of the obtained hawthorn peel is 1-5 mm; the moisture content is reduced by baking, but the taste is rigid when the hawthorn made by mixing the conventional white granulated sugar and syrup with the hawthorn paste is baked to 0.5-5% of moisture on the market. According to the formulation provided by the invention, even if the moisture is baked to be only 0.5-5%, the taste is Q-elastic, mainly because the glass transition temperature of the components in the formulation which play a role of a support is reduced.
The invention provides a method for making low-moisture hawthorn chocolate nut kernels, which comprises the following steps:
1) mixing nut kernel and chocolate, and shaping;
2) taking the mixture of the nut kernels and the chocolate prepared in the step 1) as stuffing, taking the low-moisture hawthorn peel as skin, and wrapping to obtain the low-moisture hawthorn chocolate nut kernels.
The specific method in the step 1) comprises the following steps:
filling the cooked nut kernels into a mould, adding chocolate liquor, freezing and demoulding to obtain the finished product.
The mould in the step 1) is a food-grade PC material mould used for producing chocolate, or a food-grade silica gel mould, or any other food-grade mould which can be demoulded after the poured chocolate is cooled.
The quantity of the filled nut kernels in the step 1) can be determined by combining the factors of the product, such as the taste, the cost range, the declared concept and the like; due to the gap between the nut kernels or between the chocolate liquor and the mould, the gap can be filled with chocolate liquor, resulting in a nut kernel and chocolate mixture. The chocolate liquor is prepared chocolate slurry or cocoa butter substitute chocolate slurry. The chocolate mass or the cocoa butter substitute chocolate mass is all food meeting the definition range of chocolate and cocoa butter substitute chocolate in GB/T19343. Adding chocolate liquid until the whole die hole is filled, or pouring to a fixed scale, putting the die and the contents into a freezer, cooling until the chocolate nut kernel mixture can be demoulded smoothly, and storing in an environment below the melting point of chocolate or cocoa butter substitute chocolate. The refrigerator can be a cooling tunnel used for chocolate production, or a conventional freezer, or all equipment and functional rooms with refrigeration functions.
The nut kernels in the step 1) comprise nut kernels which can be almonds, walnut kernels, cashew kernels, macadamia nuts, hazelnuts, petunia nuts, peanut kernels, melon seeds and pumpkin seeds; the nut meat may also be broken nut meat, i.e. nut meat pieces.
Further, the preparation method of the cooked nut meat comprises the following steps:
the method comprises the steps of taking raw dry nut kernels as raw materials, baking the raw dry nut kernels in a baking oven with air blowing at the temperature of 40-150 ℃ until the raw dry nut kernels are crisp in taste, and then cooling the raw dry nut kernels to the normal temperature in a ventilation drying environment.
The ventilation drying environment is an environment with the temperature less than or equal to 35 ℃ and the relative humidity less than or equal to 75%.
Further, when the nut kernel is prepared, the nut kernel is sieved by cutters with different specifications and different pore diameters, so that the nut is obtained. Nut meat pieces of different sizes are obtained as required.
In the step 2), the prepared chocolate nut kernel mixture is used as an invagination, and low-moisture hawthorn peels are completely wrapped until the invagination is not exposed and no obvious gap exists;
further, the product prepared in the step 2) is wrapped by an anti-sticking layer, so that the hawthorn peel is prevented from sticking to a packaging bag, and the experience feeling is prevented from being influenced; the anti-sticking layer is sticky rice paper, sticky rice flour, white granulated sugar, anti-sticking oil for food, or any other anti-sticking raw material commonly used for hawthorn products, jelly soft sweets and nougat products.
The invention provides low-moisture hawthorn chocolate nut kernels which are prepared by the method.
The product of the invention is a flavored nut kernel, simultaneously conforms to the definition of chocolate products in GB 19343, and is an innovative product combining nut kernels, hawthorn products and chocolate in a cross-boundary way.
According to the innovative process route provided by the invention, the common hawthorn peel formula is improved (auxiliary materials such as maltose syrup, white granulated sugar and the like in the common hawthorn peel formula are replaced by auxiliary materials such as glutinous rice flour, sorbitol solution, glycerol and the like), so that the hawthorn peel with low moisture content less than or equal to 5% and good Q feeling and flexibility is prepared. When the water content is 5%, the vitrification conversion temperature is up to 60 ℃, the hawthorn peel presents a hard and crisp state without Q feeling and extremely poor flexibility at normal temperature, while the vitrification conversion temperature of the improved hawthorn peel formula is-5 ℃, the Q elasticity and good flexibility at normal temperature, the low-water-content hawthorn peel is adopted to wrap chocolate and nut kernels, even though the chocolate melts at high temperature, the chocolate does not flow outwards, and the problem that the water content is easy to migrate when the hawthorn peel with the water content of 15-20% and the nut kernels with the water content of less than or equal to 3% are combined is solved. The developed product has the characteristic of smooth popping chocolate, has good thermal stability and mouthfeel maintaining stability, does not need harsh storage logistics conditions, has a quality guarantee period of more than 6 months, and can simultaneously taste the tongue tip enjoyment of Q sauce, sweet and sour taste, multiple compound mouthfeel and multiple flavors after being bitten by one bite.
Drawings
FIG. 1 is a photograph of a low moisture hawthorn chocolate nut kernel product made in example 1;
in FIG. 1, the left side is a product drawing, and the right side is a product section drawing; the low-moisture hawthorn peel is wrapped with chocolate slurry, and the inside of the low-moisture hawthorn peel is almond kernels.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some embodiments of the present invention, but not all 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.
Test materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
The specific techniques or conditions not specified in the examples can be performed according to the techniques or conditions described in the literature in the field or according to the product specification.
Example 1
A method for preparing low-moisture hawthorn peel comprises the following steps:
crushing fresh hawthorn fruits by using a crusher, and removing hawthorn seeds by using a 60-mesh screen to obtain fresh hawthorn fruit paste. According to the following mass ratio, mixing low-moisture hawthorn peel, fresh hawthorn fruit paste, glutinous rice flour, sorbitol solution and glycerol to obtain a mixture, wherein the mixture comprises 10 parts by mass: 0.2: 1: 0.5 of the raw materials are uniformly mixed, spread and baked by an oven at the baking temperature of 50 ℃ for 7 hours until the water content is less than or equal to 5 percent and the thickness is 3 mm. Through detection, the moisture of the hawthorn peel is 2.5%, and the hawthorn peel tastes elastic and not stiff.
A method for making low-moisture hawthorn chocolate nut kernels comprises the following steps:
1) taking almond kernels as a raw material, crushing by using a 3 x 3mm cutter, sieving by using a 2.5 x 2.5mm filter screen, taking the part which does not pass through the filter screen, and drying for 4-6h at the temperature of 80-120 ℃ until the kernels are crisp;
2) standing the almond kernels treated in the step 1) in an environment with the temperature of less than or equal to 25 ℃ and the relative humidity of less than or equal to 55%, and cooling to the temperature of the almond kernels to the normal temperature;
3) filling the almond kernels treated in the step 2) into a chocolate mould;
4) filling the white chocolate slurry into the mould filled with the almonds in the step 3), and continuously vibrating the mould to discharge air bubbles;
5) placing the mold and the content processed in the step 4) into a 0-4 ℃ refrigeration house, standing for 30min, then removing the content from the mold, and temporarily storing in the 0-4 ℃ refrigeration house.
7) Completely wrapping the almond chocolate mixture treated in the step 5) by using the prepared low-moisture hawthorn peel;
8) and 7) completely wrapping the product treated in the step 7) by using glutinous rice paper, and sealing by using a proper packaging material to obtain a finished product, wherein the finished product is respectively stored for 2 months under the conditions of 40 ℃/60% RH (accelerated aging condition) and 6 months under the conditions of 25 ℃/75% RH (conventional storage condition), and each physicochemical index and the product sensory index meet the requirements.
The conditions tested at 40 ℃/60% RH were as follows:
first, physicochemical indexes:
the moisture of the hawthorn peel before and after storage is respectively as follows: 2.5 percent and 2.3 percent;
the water content before and after the chocolate storage is respectively as follows: 0.5 percent and 0.5 percent;
the moisture of the almond kernels before and after storage is respectively as follows: 2.0 percent and 1.9 percent;
the physical and chemical indexes have no significant difference.
Secondly, sensory indexes are as follows:
color: the original color of the product appears before and after storage;
appearance: the appearance of the product is not obviously different before and after storage;
the mouthfeel is as follows: the product shows a Q sauce crispy taste before and after storage, the almond kernels are not moist and soft, and the hawthorn peels are not stiff or sticky;
the sensory indexes have no significant difference;
therefore, the product is judged to have stable quality in shelf life.
The product not only has the characteristic of smooth popping of chocolate, but also has good thermal stability and mouthfeel maintaining stability, does not need harsh storage logistics conditions, has a shelf life of more than 6 months, and can simultaneously enjoy the tongue tip enjoyment of crisp, sweet and sour taste, multiple compound mouthfeel and multiple flavors of Q sauce after being bitten by one mouth when being eaten. The product has retained taste during shelf life, and no hardening and brittleness.
Comparative example 1
A method for making low-moisture hawthorn chocolate nut kernels comprises the following steps:
1) taking almond kernels as raw materials, crushing by a 3 × 3mm cutter, sieving by a 2.5 × 2.5mm filter screen, taking the part which does not pass through the filter screen, and drying at 80-120 ℃ for 4-6h until the kernels are crisp
2) Standing the almond kernels treated in the step 1) in an environment with the temperature of less than or equal to 25 ℃ and the relative humidity of less than or equal to 55%, and cooling until the temperature of the almond kernels is less than or equal to 35 ℃;
3) filling the almond kernels treated in the step 2) into a chocolate mould;
4) filling the white chocolate slurry into the mould filled with the almonds in the step 3), and continuously vibrating the mould to discharge air bubbles;
5) placing the mold and the content processed in the step 4) into a 0-4 ℃ refrigeration house, standing for 30min, then removing the content from the mold, and temporarily storing in the 0-4 ℃ refrigeration house.
6) Preparing low-moisture hawthorn peel and fresh hawthorn fruit by adopting the following raw materials in mass ratio: maltose syrup: white granulated sugar 10: 5: 2, uniformly mixing all the raw materials, flattening, and baking by using an oven until the water content is less than or equal to 5% and the thickness is 3 mm;
7) after the hawthorn peels treated in the step 6) are cooled to normal temperature, the hawthorn peels in the comparative example 1 have 4.5% of water, are hard and crisp in taste, cannot continue to be operated continuously like glass, and fail in scheme.
Comparative example 2
A method for making low-moisture hawthorn chocolate nut kernels comprises the following steps:
1) taking almond kernels as a raw material, crushing by using a cutter with the diameter of 3 multiplied by 3mm, screening by using a filter screen with the diameter of 2.5 multiplied by 2.5mm, taking the part which does not pass through the screen, and drying for 4-6h at the temperature of 80-120 ℃ until the kernels are crisp;
2) standing the almond kernels treated in the step 1) in an environment with the temperature of less than or equal to 25 ℃ and the relative humidity of less than or equal to 55%, and cooling until the temperature of the almond kernels is less than or equal to 35 ℃;
3) filling the almond kernels treated in the step 2) into a chocolate mould;
4) filling the white chocolate slurry into the mould filled with the almonds in the step 3), and continuously vibrating the mould to discharge air bubbles;
5) placing the mold and the content processed in the step 4) into a 0-4 ℃ refrigeration house, standing for 30min, then removing the content from the mold, and temporarily storing in the 0-4 ℃ refrigeration house.
6) The low-moisture hawthorn peel and fresh hawthorn fruit are prepared from the following raw materials in parts by mass: maltose syrup, white sugar 10: 5: 2, uniformly mixing all the raw materials, flattening, and baking by using an oven until the water content is 15-20% and the thickness is 3 mm; comparative example 2 hawthorn peel had a moisture of 18.0% and a mouth feel of Q elasticity, but was harder than the hawthorn peel of example 1.
7) Completely wrapping the almond chocolate mixture processed in the step 5) by adopting the hawthorn peel processed in the step 6);
8) and 7) completely wrapping the processed product in the step 7) by using glutinous rice paper, and sealing by using a proper packaging material to obtain a finished product, wherein the finished product is respectively stored for 5 days at 40 ℃/60% RH and 15 days at 25 ℃/75% RH, the sensory perception of the product is obviously changed, the hawthorn skin wrapped outside the finished product becomes dry and hard and sticky, the nut particles are obviously not crisp, and the scheme fails.
The samples stored for 5 days at 40 ℃/60% RH were tested as follows:
firstly, physical and chemical indexes:
the moisture of the hawthorn peel before and after storage is respectively as follows: 18.0 percent and 14.5 percent;
the water content before and after the chocolate storage is respectively as follows: 0.5 percent and 3.5 percent;
the moisture of the almond kernels before and after storage is respectively as follows: 2.0 percent and 3.4 percent;
the physical and chemical indexes are obviously changed.
Secondly, sensory indexes are as follows:
color: the original color of the product appears before and after storage
Appearance: after storage, sugaring appears on the hawthorn peel, and the hand feeling is slightly sticky
The mouthfeel is as follows: the mouthfeel of the product after storage is obviously changed, the hawthorn peel wrapped outside the product becomes stiff, and the mouthfeel brittleness of the almond kernel is seriously reduced
The sensory index is obviously changed and is not in accordance with the requirement. Therefore, the product quality is judged to be unstable.
Claims (10)
2. the method for making low-moisture hawthorn peel according to claim 1, wherein the method comprises the following steps: uniformly mixing fresh hawthorn fruits, glutinous rice flour, sorbitol solution and glycerol according to the formula ratio, and spreading the uniformly mixed materials at the baking temperature of 30-100 ℃ for 1-10 h.
3. The method of claim 2, wherein the baking is carried out to a moisture content of 0.5-5%.
4. A process for making low moisture hawthorn chocolate nut kernels from the low moisture hawthorn peel of claim 1, comprising the steps of:
1) mixing nut kernel and chocolate, and shaping;
2) taking the mixture of the nut kernels and the chocolate prepared in the step 1) as stuffing, taking the low-moisture hawthorn peel as skin, and wrapping to obtain the low-moisture hawthorn chocolate nut kernels.
5. The method according to claim 5, wherein the specific method in step 1) is as follows:
filling the cooked nut kernels into a mould, adding chocolate liquor, freezing and demoulding to obtain the finished product.
6. The method of claim 5, wherein the nuts of step 1) comprise almonds, walnut kernels, cashew nuts, macadamia nuts, hazelnuts, pecan nuts, peanut kernels, melon seeds, or pumpkin seeds.
7. The method of making as claimed in claim 5 or 6 wherein said cooked nut meat is prepared by a method comprising:
the method comprises the steps of taking raw dry nut kernels as raw materials, baking the raw dry nut kernels in a baking oven with air blowing at the temperature of 40-150 ℃ until the raw dry nut kernels are crisp in taste, and then cooling the raw dry nut kernels to the normal temperature in a ventilation drying environment.
8. The method of claim 5 or 6, wherein the air-drying environment is an environment having a temperature of 35 ℃ or less and a relative humidity of 75% or less.
9. The method of claim 5 or 6, wherein the chocolate liquor is a pre-made chocolate mass or cocoa butter replacer chocolate mass.
10. The method of claim 3 or 4, wherein the product prepared in step 2) is wrapped with an anti-sticking layer.
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