CN115736045A - Method for rapid internal and external flowering of compressed tea - Google Patents
Method for rapid internal and external flowering of compressed tea Download PDFInfo
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
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Abstract
The invention belongs to the field of tea processing, and particularly discloses a method for rapid internal and external flowering of compressed tea, which comprises the following steps: 1) tea pretreatment, 2) moisture detection, 3) raw material watering, 4) raw material stacking softening, 5) weighing, 6) tea steaming, 7) pressing and shaping, 8) pressure maintaining box packaging, 9) steam sterilization, 10) strain inoculation, 11) coating, 12) flowering culture and 13) drying; the method disclosed by the invention has low pollution rate, can realize the internal and external flowering of the compressed tea, has high flowering density and uniform flowering, can shorten the flowering time by 65-83%, and only needs 5-7 days for producing a batch of flowering products; in addition, the strain used in the method has uniqueness, so that the prepared compressed tea has unique fragrance, taste and health-care effect.
Description
Technical Field
The invention belongs to the field of tea processing, and particularly discloses a method for rapid internal and external flowering of compressed tea.
Background
Compressed tea is brick-shaped or tea in other shapes which is prepared by taking black raw tea, old green tea, chateau tea and other suitable raw tea as raw materials and processing the raw materials through typical processes of pile fermentation, steaming, pressing and the like. Most compressed tea varieties are relatively coarse and old, the color of dry tea is dark brown, and the liquor color is clear yellow or clear red. Is very popular in minority areas.
The compressed tea has the characteristics of good moisture resistance, convenience in transportation and storage, mellow tea taste, suitability for weight reduction and the like.
The science of eurotium cristatum is eurotium cristatum, and the process of growing golden spherical closed capsule shells on tea leaves by eurotium cristatum is commonly called flower growing. The 'flowering' process in compressed tea processing is a key process for forming the unique qualities of compressed tea. The essence of 'blooming' is that the growth and the propagation of dominant bacteria, namely eurotium cristatum, are promoted by controlling certain temperature and humidity conditions to generate golden closed capsule shells, the content of the golden closed capsule shells in the compressed tea is closely related to the taste and the aroma of the tea, and the quality of the compressed tea can be directly influenced.
As is known, the technology of flowering inside and outside is an industrial problem, most enterprises and public institutions can only bloom inside, a small number of units can bloom on the surface, and enterprises and public institutions which bloom inside and outside simultaneously are hardly reported;
meanwhile, most of the flowering products in the market adopt a traditional natural flowering mode, so that the production of one batch of flowering products takes 20-30 days, and the time consumption is long.
Disclosure of Invention
In order to solve the problems, the invention discloses a method for quickly growing flowers inside and outside a compressed tea, which not only solves the technical problem of growing flowers inside and outside, but also adopts a precise flower growing mode to ensure that the density of golden flowers of a flower growing product is high and the flower growing is uniform, and can shorten the flower growing time by 65-83 percent, and only 5-7 days is needed for producing a batch of flower growing products.
The technical scheme of the invention is as follows:
a method for quickly growing flowers inside and outside a compressed tea comprises the following steps:
1) tea pretreatment, 2) moisture detection, 3) raw material watering, 4) raw material stacking softening, 5) weighing,
6) Steaming tea, 7) pressing and shaping, 8) packing a pressure maintaining box, 9) steam sterilization, 10) inoculating strains, 11) enveloping, 12) growing flower and culturing, and 13) drying.
Further, the method for rapid internal and external flowering of the compressed tea comprises the following steps in the step 1): performing color selection or manual picking on the primarily processed raw dark green tea, and removing redundant long stalks, white stalks, yellow pieces and other impurities to obtain different screen size tea; according to the grade requirement of raw materials of products, raw materials with different screen sizes after refining are evenly tiled in layers on a stacking yard in a stacking room according to a certain proportion, and all raw and auxiliary materials are evenly mixed by means of a tea shovel and other tools to obtain the raw materials before pressing.
Further, in the method for rapid internal and external flowering of compressed tea, the step 3) specifically comprises the following steps: according to the formula: the method comprises the following steps of (1) calculating the required water adding amount by using the tea water adding amount = tea weight x [ (target water content-raw material water content) ÷ (1-target water content) ], preparing boiled water and the raw material treated in the step 1) into an automatic tea stirring machine, and uniformly stirring and mixing to enable the target water content of the raw material to reach 22% -27%.
Further, in the method for rapid internal and external flowering of compressed tea, the step 4) specifically comprises the following steps: transferring the raw materials processed in the step 3) to a piling yard, covering a moisture-preserving cloth, piling for 6-12h, slightly kneading the raw materials by hands, softening the tea leaves uniformly, detecting the moisture again, ensuring that the moisture content of the tea leaf raw materials is between 22% and 27%, and otherwise, retreating the raw materials.
Further, in the method for rapid internal and external flowering of compressed tea, the step 6) specifically comprises the following steps: and (3) steaming the tea weighed in the step 5) at the steam temperature of 120-150 ℃, under the steam pressure of 0.3-0.8MPa for 6-8s.
Further, in the method for rapid internal and external flowering of compressed tea, the step 7) specifically comprises the following steps: pouring the tea steamed in the step 6) into alloy moulds with corresponding specifications, uniformly paving the tea leaves into bottom holes of each mould, putting a polyethylene film which is 5-10cm larger than the mould, covering a mould cover, and putting the mould cover into a compressed tea pressing machine for pressing and shaping for 10-20min.
Further, in the method for rapid flowering of compressed tea in the inside and outside, the step 8) specifically comprises the following steps: subpackaging the compressed tea obtained in the step 7) into a polypropylene pressure maintaining box, wherein the pressure maintaining box is specially customized and is divided into an upper cover and a lower cover, and the upper cover and the lower cover are respectively provided with 3 air holes with the diameter of 0.2 cm.
Further, the method for rapid internal and external flowering of the compressed tea comprises the following steps in the step 10): inoculating a golden flower fungus liquid strain of Xiangfeng No. 1 of Xiangfeng tea industry group limited company to the surface of the compressed tea in a spraying mode in a sterile environment.
Further, in the method for rapid internal and external flowering of the compressed tea, the step 12) comprises the following specific steps: putting the compressed tea in the step 11) into a flowering house, and carrying out dark culture at the temperature of 26-27 ℃ for 4-5d, and ensuring that the temperature does not exceed 28 ℃.
Further, the method for rapid flowering of the compressed tea in and out comprises the following steps:
1) Tea pretreatment: performing color selection or manual picking on the primarily processed raw dark green tea, and removing redundant long stalks, white stalks, yellow pieces and other impurities to obtain different screen size tea; according to the grade requirement of raw materials of products, raw materials with different screen sizes after refining are layered and uniformly tiled on a stacking yard in a stacking room according to a certain proportion, and all raw and auxiliary materials are uniformly mixed by means of a tea shovel and other tools to obtain the raw materials before pressing;
2) Moisture detection: taking 3g of the raw material sample treated in the step 1), and detecting the water content of the raw material;
3) Water is beaten from raw materials: according to the formula: the method comprises the following steps of (1) calculating the required water adding amount by using the tea water adding amount = tea weight x [ (target water content-raw material water content) ÷ (1-target water content) ], putting boiling water and the raw material processed in the step 1) into an automatic tea stirring machine, and uniformly stirring and mixing to enable the target water content of the raw material to reach 22% -27%;
4) Stacking and softening raw materials: transferring the raw materials processed in the step 3) to a piling yard, covering a moisture-preserving cloth for piling for 6 to 12h, slightly kneading the raw materials by hands, softening tea uniformly, detecting the moisture again, ensuring that the moisture content of the tea raw materials is between 22 and 27 percent, and otherwise, retreating the raw materials;
5) Weighing: according to the formula: weighing the tea, wherein the weight of the tea is = the weight of the target tea + the weight of the target tea x the water content of the raw material, and weighing the raw material processed in the step 4) according to production needs;
6) Steaming tea: steaming the tea weighed in the step 5), wherein the steam temperature is 120-150 ℃, the steam pressure is 0.3-0.8MPa, and the tea steaming time is 6-8s;
7) Pressing and shaping: pouring the steamed tea obtained in the step 6) into alloy moulds with corresponding specifications, uniformly paving the tea leaves into bottom holes of each mould, putting a polyethylene film which is 5-10cm larger than the mould, covering a mould cover, and putting the mould cover into a compressed tea pressing machine for pressing and shaping for 10-20min;
8) Packaging a pressure maintaining box: subpackaging the compressed tea obtained in the step 7) into a polypropylene pressure maintaining box, wherein the pressure maintaining box is specially customized and is divided into an upper cover and a lower cover, and the upper cover and the lower cover are respectively provided with 3 air holes with the diameter of 0.2 cm;
9) Steam sterilization: packaging the compressed tea in a pressure maintaining box by adopting a pasteurization method for 30s to 1min, and immediately packaging into an aseptic container;
10 Inoculation of the strain: inoculating a golden flower fungus liquid strain of 'Xiangfeng No. 1' of Xiangfeng tea industry group limited company to the surface of compressed tea in a spraying mode in a sterile environment;
11 Envelope): wrapping the pressure maintaining box filled with the compressed tea in the step 10 by using an aseptic preservative film in an aseptic environment;
12 ) flowering culture: putting the compressed tea in the step 11) into a flowering house, and carrying out dark culture at the temperature of 26-27 ℃ for 4-5d, and ensuring that the temperature does not exceed 28 ℃;
13 Drying: putting the compressed tea subjected to flowering in the step 12) into an oven, setting the temperature to be 35 ℃, baking for 1-2d, and detecting the water content of the compressed tea by using the method in the step 2), wherein the water content is 8-10% to complete production.
A compressed tea is prepared by the above method.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a method for rapid flowering inside and outside a compressed tea,
1. by adopting the technical method, the mixed bacteria pollution rate of the compressed tea is lower than 1 percent;
2. because the strain 'Xiangfeng No. 1' is adopted, the compressed tea can bloom inside and outside simultaneously, and the flowering time is short and is only 4-5 days;
3. by adopting the method, the density of the hair is high and the hair is uniform.
Drawings
FIG. 1 is a photograph showing the inside-outside flowering of longzhu tea (raw dark tea) wrapped in a pressure-maintaining box in example 1;
FIG. 2 shows the blooming of the broken Camellia Chysantha (black tea) in example 1;
FIG. 3 is a single finished product of "inside and outside hair flower dragon beads (dark green tea)" cultured for 4-5 days in example 1;
FIG. 4 is a plurality of finished products of "in and out growing flower dragon beads (dark raw tea)" cultivated in 4-5 days in example 1;
FIG. 5 shows the golden flower fungus of "inner and outer flowering products" under the microscope in example 1.
Detailed Description
A method for quickly growing flowers inside and outside a compressed tea comprises the following steps:
1) Pretreatment of tea leaves: performing color selection or manual picking on the primarily processed raw dark green tea, and removing redundant long stalks, white stalks, yellow pieces and other impurities to obtain different screen size tea; according to the grade requirement of raw materials of products, raw materials with different screen sizes after refining are layered and uniformly tiled on a stacking yard in a stacking room according to a certain proportion, and all raw and auxiliary materials are uniformly mixed by means of a tea shovel and other tools to obtain the raw materials before pressing;
2) Moisture detection: taking 3g of the raw material sample treated in the step 1), and detecting the water content of the raw material;
3) Water is beaten from raw materials: according to the formula: the method comprises the following steps of (1) calculating the required water adding amount by using the tea water adding amount = tea weight x [ (target water content-raw material water content) ÷ (1-target water content) ], preparing boiled water and the raw material treated in the step 1) into an automatic tea stirring machine, and uniformly stirring and mixing to enable the target water content of the raw material to reach 22% -27%;
4) Stacking and softening raw materials: transferring the raw materials processed in the step 3) to a piling yard, covering a moisture-preserving cloth, piling for 6-12h, slightly kneading the raw materials by hands, softening the tea leaves uniformly, detecting the moisture again to ensure that the moisture content of the tea leaf raw materials is between 22% and 27%, otherwise, retreating the raw materials;
5) Weighing: according to the formula: weighing the tea, wherein the weight of the tea is = the weight of the target tea + the weight of the target tea x the water content of the raw material, and weighing the raw material processed in the step 4) according to production needs;
6) Tea steaming: steaming the tea weighed in the step 5) at 120-150 ℃ for 6-8s, wherein the steam pressure is 0.3-0.8 MPa;
7) Pressing and shaping: pouring the steamed tea in the step 6) into alloy moulds with corresponding specifications, uniformly paving the tea in bottom holes of each mould, putting a polyethylene film which is 5-10cm larger than the mould, covering a mould cover, and putting the mould cover into a compressed tea pressing machine for pressing and shaping for 10-20min;
8) And (4) packaging a pressure maintaining box: subpackaging the compressed tea pressed in the step 7) into a polypropylene pressure maintaining box, wherein the pressure maintaining box is specially made, and is divided into an upper cover and a lower cover, and the upper cover and the lower cover are respectively provided with 3 air holes with the diameter of 0.2 cm;
9) Steam sterilization: packaging the compressed tea in a pressure maintaining box by adopting a pasteurization method for 30s to 1min, and immediately packaging into an aseptic container;
10 Inoculation of the strain: inoculating a golden flower fungus liquid strain of Xiangfeng No. 1 of Xiangfeng tea industry group limited company to the surface of compressed tea in a spraying mode in an aseptic environment;
11 Envelope): wrapping the pressure maintaining box filled with the compressed tea in the step 10 by using an aseptic preservative film in an aseptic environment;
12 ) flowering culture: putting the compressed tea obtained in the step 11) into a flowering house, and carrying out dark culture at the set temperature of 26-27 ℃ for 4-5d, and ensuring that the temperature does not exceed 28 ℃;
13 Drying: putting the compressed tea subjected to flowering in the step 12) into an oven, setting the temperature to be 35 ℃, baking for 1-2d, and detecting the water content of the compressed tea by using the method in the step 2), wherein the water content is 8-10% to complete production.
The homologous comparison of the gene sequences of the golden camellia bacteria by the Huazhou Huashi team of Liuzhou Huashi discovers that the golden camellia bacteria have hundreds of subspecies or ecotypes, and the character characteristics of different subspecies expressed in the tea leaves are also obviously different.
A Xiangfeng research and development team screens homologous monoclonal strain subspecies through separation and purification, a golden flower fungus tea product with unique taste, fragrance and high active substances is developed by utilizing a precise flowering mode, and the high-quality strain is applied and named as 'Xiangfeng No. 1'.
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The reagents or instruments used in the examples of the present invention are not indicated by manufacturers, and are conventional reagents that are commercially available.
Example 1
1. Pretreatment of tea
And (3) performing color selection or manual picking on the primarily processed raw dark green tea, and removing redundant long stalks, white stalks, yellow flakes and other impurities to obtain different screen size tea. According to the production requirements such as the grade requirements of raw materials of products, raw materials with different screen sizes after refining are evenly tiled in layers on a stacking yard in a stacking room according to a certain proportion, and all raw and auxiliary materials are evenly mixed by means of a tea shovel and other tools to obtain the raw materials before pressing.
2. Moisture detection
Taking 3g of the raw material sample processed in the step 1, and detecting the water content of the raw material in a Licheng rapid moisture tester (the model is DHS-20A).
3. Raw material water fetching
According to the formula: and (3) calculating the required water consumption amount by using the tea water consumption = tea weight x [ (target water content-raw material water content) ÷ (1-target water content) ]. And (2) preparing boiled water and the raw material treated in the step (1) into a Yiyang Shengxi full-automatic tea mixing machine (model SX 6C-BCJ), and uniformly stirring and mixing to ensure that the target water content of the raw material reaches 22-27% (the target water content is determined according to the tenderness degree of the tea raw material).
4. Raw material stacking softening
Transferring the raw materials processed in the step 3 to a piling yard, covering a moisture-preserving cloth, piling for 6-12h (slightly kneading the raw materials by hands, and uniformly softening the tea leaves), detecting the moisture again, and ensuring that the moisture content of the tea leaf raw materials is between 22% and 27%, otherwise, retreating the raw materials.
5. Weighing
According to the formula: weighing the tea, wherein the weight of the tea is = the weight of the target tea + the weight of the target tea x the water content of the raw material, and weighing the raw material processed in the step 4 according to production needs.
6. Steamed tea
And (4) steaming the tea leaves weighed in the step (5), wherein the used steaming equipment is a preferably full-automatic steam generator (model: DZFZ 24). The steam temperature is 120-150 ℃, the steam pressure is 0.5MPa, and the tea steaming time is 6-8s.
7. Pressing and shaping
Pouring the tea steamed in the step 6 into alloy moulds with corresponding specifications, uniformly spreading the tea into bottom holes of each mould, putting a polyethylene film which is 5-10cm larger than the mould, covering a mould cover, and putting the mould cover into a Longqiao JH-6CY3 compressed tea pressing machine for pressing and shaping for 15min.
8. Pressure maintaining box
And (4) subpackaging the compressed tea pressed in the step (7) into a polypropylene pressure maintaining box. The pressure maintaining box is specially customized and is provided with an upper cover and a lower cover, and the upper cover and the lower cover are respectively provided with 3 air holes with the diameter of 0.2 cm.
9. Steam sterilization
And (3) carrying out pasteurization on the compressed tea which is separately packaged in the pressure maintaining box for 30s to 1min, and immediately packaging into an aseptic container.
10. Inoculating strains
And (3) placing the compressed tea sterilized in the step (9) on an Antai super clean workbench (the model is SW-CJ-1 FD), and inoculating a golden flower fungus liquid strain of Xiangfeng tea industry group limited company 'Xiangfeng No. 1' to the surface of the compressed tea in a sterile environment in a spraying mode.
11. Coating film
And (3) wrapping the pressure maintaining box filled with the compressed tea in the step (10) by using a sterile preservative film in a sterile environment.
12. Growing of flowers
And (3) putting the compressed tea obtained in the step (11) into an intelligent florescence room, setting the temperature to be 26-27 ℃, carrying out dark culture for 4-5d, and intelligently monitoring the temperature in the florescence room to ensure that the temperature does not exceed 28 ℃.
13. Drying the mixture
And (3) putting the compressed tea subjected to flowering in the step (12) into an oven, setting the temperature to be 35 ℃, baking for 1-2d, and detecting the water content of the compressed tea by using the instrument in the step (2), wherein the water content is 8-10% to complete production.
The flowering of tea is shown in the attached figures 1-5, and figure 1 is a photo of the inside and outside flowering of dragon pearl tea (black raw tea) wrapped by a pressure maintaining box in example 1; FIG. 2 shows the blooming of the broken golden flower dragon beads (raw dark green tea) in example 1; FIG. 3 is a single finished product of "inside and outside hair flower dragon beads (dark green tea)" cultured for 4-5 days in example 1; FIG. 4 is a plurality of finished products of "inside and outside hair flower dragon beads (dark green tea)" cultured for 4-5 days in example 1; FIG. 5 shows the golden flower fungus of "inner and outer flowering products" under the microscope in example 1.
Example 2
1. Pretreatment of tea
And (3) carrying out color selection or manual picking on the primarily processed black raw tea, and removing redundant long stalks, white stalks, yellow leaves and other impurities to obtain different tea with different screen sizes. According to the production requirements such as the grade requirements of raw materials of products, raw materials with different screen sizes after refining are evenly tiled in layers on a stacking yard in a stacking room according to a certain proportion, and all raw and auxiliary materials are evenly mixed by means of a tea shovel and other tools to obtain the raw materials before pressing.
2. Moisture detection
Taking 3g of the raw material sample processed in the step 1, and detecting the water content of the raw material in a Licheng rapid moisture tester (the model is DHS-20A).
3. Raw material water fetching
According to the formula: and (3) calculating the required water consumption amount by using the tea water consumption = tea weight x [ (target water content-raw material water content) ÷ (1-target water content) ]. And (2) preparing boiled water and the raw material treated in the step (1) into a Yiyang Shengxi full-automatic tea mixing machine (model SX 6C-BCJ), and uniformly stirring and mixing to ensure that the target water content of the raw material reaches 22-27% (the target water content is determined according to the tenderness degree of the tea raw material).
4. Raw material stacking softening
Transferring the raw materials processed in the step 3 to a piling yard, covering a moisture-preserving cloth, piling for 6-12h (slightly kneading the raw materials by hands, and uniformly softening the tea leaves), detecting the moisture again, and ensuring that the moisture content of the tea leaf raw materials is between 22% and 27%, otherwise, retreating the raw materials.
5. Weighing
According to the formula: weighing the tea, wherein the weight of the tea is = the weight of the target tea + the weight of the target tea x the water content of the raw material, and weighing the raw material processed in the step 4 according to production needs.
6. Steamed tea
And (4) steaming the tea leaves weighed in the step (5), wherein the used steaming equipment is a preferably full-automatic steam generator (model: DZFZ 24). The steam temperature is 120-150 ℃, the steam pressure is 0.5MPa, and the tea steaming time is 6-8s.
7. Pressing and shaping
Pouring the tea steamed in the step 6 into alloy moulds with corresponding specifications, uniformly spreading the tea into bottom holes of each mould, putting a polyethylene film which is 5-10cm larger than the mould, covering a mould cover, and putting the mould cover into a Longqiao JH-6CY3 compressed tea pressing machine for pressing and shaping for 15min.
8. Pressure maintaining box
And (4) subpackaging the compressed tea pressed in the step (7) into a polypropylene pressure maintaining box. The pressure maintaining box is specially customized and is divided into an upper cover and a lower cover, and the upper cover and the lower cover are respectively provided with 3 air holes with the diameter of 0.2 cm.
9. Steam sterilization
And (3) carrying out pasteurization on the compressed tea which is separately packaged in the pressure maintaining box for 30s to 1min, and immediately packaging into an aseptic container.
10. Inoculating strains
And (3) placing the compressed tea sterilized in the step (9) on an Antai super clean workbench (the model is SW-CJ-1 FD), and inoculating a golden flower fungus liquid strain of Xiangfeng tea industry group limited company 'Xiangfeng No. 1' to the surface of the compressed tea in a sterile environment in a spraying mode.
11. Coating film
And (3) wrapping the pressure maintaining box filled with the compressed tea in the step (10) by using an aseptic preservative film in an aseptic environment.
12. Growing of flowers
And (3) putting the compressed tea obtained in the step (11) into an intelligent florescence room, setting the temperature to be 26-27 ℃, carrying out dark culture for 4-5d, and intelligently monitoring the temperature in the florescence room to ensure that the temperature does not exceed 28 ℃.
13. Drying the mixture
And (3) putting the compressed tea subjected to flowering in the step (12) into an oven, setting the temperature to be 35 ℃, baking for 1-2d, and detecting the water content of the compressed tea by using the instrument in the step (2), wherein the water content is 8-10% to finish production.
Example 3
1. Pretreatment of tea
And (3) carrying out color selection or manual picking on the primarily processed white raw tea, and removing redundant long stalks, white flower stalks, yellow slices and other impurities to obtain different screen size tea. According to the production requirements such as the grade requirements of raw materials of products, raw materials with different screen sizes after refining are evenly tiled in layers on a stacking yard in a stacking room according to a certain proportion, and all raw and auxiliary materials are evenly mixed by means of a tea shovel and other tools to obtain the raw materials before pressing.
2. Moisture detection
Taking 3g of the raw material sample processed in the step 1, and detecting the water content of the raw material in a Licheng rapid moisture tester (the model is DHS-20A).
3. Raw material water fetching
According to the formula: and (3) calculating the required water consumption amount by using the tea water consumption = tea weight x [ (target water content-raw material water content) ÷ (1-target water content) ]. And (3) preparing the boiled water and the raw materials treated in the step (1) into a Yiyang Shengxi full-automatic tea mixing machine (model SX 6C-BCJ), and uniformly stirring and mixing to enable the target water content of the raw materials to reach 22-27% (the target water content is determined according to the tenderness degree of the tea raw materials).
4. Raw material stacking softening
And (4) transferring the raw materials processed in the step (3) to a piling yard, covering a moisture-preserving cloth, piling for 6 to 12h (slightly kneading the raw materials by hands, and uniformly softening the tea), detecting the moisture again, and ensuring that the moisture content of the tea raw materials is between 22% and 27%, otherwise, retreating the raw materials.
5. Weighing
According to the formula: weighing the tea, wherein the weight of the tea is = the weight of the target tea + the weight of the target tea x the water content of the raw material, and weighing the raw material processed in the step 4 according to production needs.
6. Steamed tea
And (4) steaming the tea leaves weighed in the step (5), wherein the used steaming equipment is a preferably full-automatic steam generator (model: DZFZ 24). The steam temperature is 120-150 ℃, the steam pressure is 0.5MPa, and the tea steaming time is 6-8s.
7. Pressing and shaping
Pouring the tea steamed in the step 6 into alloy moulds with corresponding specifications, uniformly spreading the tea into bottom holes of each mould, putting a polyethylene film which is 5-10cm larger than the mould, covering a mould cover, and putting the mould cover into a Longqiao JH-6CY3 compressed tea pressing machine for pressing and shaping for 15min.
8. Pressure maintaining box
And (4) subpackaging the compressed tea pressed in the step (7) into a polypropylene pressure maintaining box. The pressure maintaining box is specially customized and is provided with an upper cover and a lower cover, and the upper cover and the lower cover are respectively provided with 3 air holes with the diameter of 0.2 cm.
9. Steam sterilization
And (3) carrying out pasteurization on the compressed tea packaged in the pressure-maintaining box for 30s to 1min, and immediately packaging into an aseptic container.
10. Inoculating strains
And (3) placing the compressed tea sterilized in the step (9) on an Antai ultra-clean workbench (the model is SW-CJ-1 FD), and inoculating the golden flower fungus liquid strain of Xiangfeng tea industry group limited company 'Xiangfeng No. 1' to the surface of the compressed tea in a sterile environment by adopting a spraying mode.
11. Coating film
And (3) wrapping the pressure maintaining box filled with the compressed tea in the step (10) by using an aseptic preservative film in an aseptic environment.
12. Growing of flowers
And (3) putting the compressed tea obtained in the step (11) into an intelligent flowering house, setting the temperature to be 26-27 ℃, carrying out dark culture for 4-5d, and intelligently monitoring the temperature in the flowering house to ensure that the temperature does not exceed 28 ℃.
13. Drying
And (3) putting the compressed tea subjected to flowering in the step (12) into an oven, setting the temperature to be 35 ℃, baking for 1-2d, and detecting the water content of the compressed tea by using the instrument in the step (2), wherein the water content is 8-10% to complete production.
Test example
Through the tests of the embodiments, the invention has the following beneficial effects:
1. by adopting the technical method, the mixed bacteria pollution rate of the compressed tea is lower than 1 percent;
2. because the strain 'Xiangfeng No. 1' is adopted, the compressed tea can bloom inside and outside simultaneously, and the flowering time is short and is only 4-5 days;
3. by adopting the method, the density of the hair is high and the hair is uniform.
There are a limited number of preferred embodiments of the invention, which are described in greater detail and detail, but which should not be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. A method for quickly growing flowers inside and outside a compressed tea is characterized by comprising the following steps:
1) tea pretreatment, 2) moisture detection, 3) raw material watering, 4) raw material stacking softening, 5) weighing,
6) Steaming tea, 7) pressing and shaping, 8) packing a pressure maintaining box, 9) steam sterilization, 10) inoculating strains, 11) enveloping, 12) growing flower and culturing, and 13) drying.
2. The method for rapid flowering of compressed tea in and out according to claim 1, wherein the step 3) comprises the following steps: according to the formula: the method comprises the following steps of (1) calculating the required water adding amount by using the tea water adding amount = tea weight x [ (target water content-raw material water content) ÷ (1-target water content) ], preparing boiled water and the raw material treated in the step 1) into an automatic tea stirring machine, and uniformly stirring and mixing to enable the target water content of the raw material to reach 22% -27%.
3. The method for rapid flowering of compressed tea in and out according to claim 1, wherein the step 4) comprises the following steps: transferring the raw materials processed in the step 3) to a piling yard, covering a moisture-preserving cloth, piling for 6-12h, slightly kneading the raw materials by hands, softening the tea leaves uniformly, detecting the moisture again, ensuring that the moisture content of the tea leaf raw materials is between 22% and 27%, and otherwise, retreating the raw materials.
4. The method for rapid internal and external blooming of compressed tea according to claim 1, wherein the step 6) specifically comprises the following steps: and (3) steaming the tea weighed in the step 5) at the steam temperature of 120-150 ℃, under the steam pressure of 0.3-0.8MPa for 6-8s.
5. The method for rapid flowering of compressed tea in and out according to claim 1, wherein the step 7) comprises the following steps: pouring the steamed tea obtained in the step 6) into alloy moulds with corresponding specifications, uniformly spreading the tea into bottom holes of each mould, putting a polyethylene film which is 5-10cm larger than the mould, covering a mould cover, and putting the mould cover into a compressed tea pressing machine for pressing and shaping for 10-20min.
6. The method for rapid flowering of compressed tea in and out according to claim 1, wherein the step 8) comprises the following steps: subpackaging the compressed tea obtained in the step 7) into a polypropylene pressure maintaining box, wherein the pressure maintaining box is specially customized and is divided into an upper cover and a lower cover, and the upper cover and the lower cover are respectively provided with 3 air holes with the diameter of 0.2 cm.
7. The method for rapid flowering of compressed tea in and out according to claim 1, wherein the step 10) comprises the following steps: inoculating a golden flower fungus liquid strain of Xiangfeng No. 1 of Xiangfeng tea industry group limited company to the surface of the compressed tea in a spraying mode in a sterile environment.
8. The method for rapid flowering in and out of compressed tea according to claim 1, wherein the step 12) comprises the following specific steps: putting the compressed tea obtained in the step 11) into a flowering house, and carrying out dark culture at the set temperature of 26-27 ℃ for 4-5d, and ensuring that the temperature does not exceed 28 ℃.
9. The method for rapid internal and external flowering of compressed tea as claimed in claim 1, comprising the steps of:
1) Pretreatment of tea leaves: performing color selection or manual picking on the primarily processed raw dark green tea, and removing redundant long stalks, white stalks, yellow pieces and other impurities to obtain different screen size tea; according to the grade requirement of raw materials of products, raw materials with different screen sizes after refining are layered and uniformly tiled on a stacking yard in a stacking room according to a certain proportion, and all raw and auxiliary materials are uniformly mixed by means of a tea shovel and other tools to obtain raw materials before pressing;
2) And (3) moisture detection: taking 3g of the raw material sample treated in the step 1), and detecting the water content of the raw material;
3) Water pumping of raw materials: according to the formula: the method comprises the following steps of (1) calculating the required water adding amount by using the tea water adding amount = tea weight x [ (target water content-raw material water content) ÷ (1-target water content) ], preparing boiled water and the raw material treated in the step 1) into an automatic tea stirring machine, and uniformly stirring and mixing to enable the target water content of the raw material to reach 22% -27%;
4) Stacking and softening raw materials: transferring the raw materials processed in the step 3) to a piling yard, covering a moisture-preserving cloth for piling for 6 to 12h, slightly kneading the raw materials by hands, softening tea uniformly, detecting the moisture again, ensuring that the moisture content of the tea raw materials is between 22 and 27 percent, and otherwise, retreating the raw materials;
5) Weighing: according to the formula: weighing the tea, wherein the weight of the tea is = the weight of the target tea + the weight of the target tea x the water content of the raw material, and weighing the raw material processed in the step 4) according to production needs;
6) Steaming tea: steaming the tea weighed in the step 5), wherein the steam temperature is 120-150 ℃, the steam pressure is 0.3-0.8MPa, and the tea steaming time is 6-8s;
7) Pressing and shaping: pouring the steamed tea in the step 6) into alloy moulds with corresponding specifications, uniformly paving the tea in bottom holes of each mould, putting a polyethylene film which is 5-10cm larger than the mould, covering a mould cover, and putting the mould cover into a compressed tea pressing machine for pressing and shaping for 10-20min;
8) Packaging a pressure maintaining box: subpackaging the compressed tea obtained in the step 7) into a polypropylene pressure maintaining box, wherein the pressure maintaining box is specially customized and is divided into an upper cover and a lower cover, and the upper cover and the lower cover are respectively provided with 3 air holes with the diameter of 0.2 cm;
9) Steam sterilization: packaging the compressed tea in a pressure maintaining box by adopting a pasteurization method for 30s to 1min, and immediately packaging into an aseptic container;
10 Inoculation of the strain: inoculating a golden flower fungus liquid strain of 'Xiangfeng No. 1' of Xiangfeng tea industry group limited company to the surface of compressed tea in a spraying mode in a sterile environment;
11 Envelope): wrapping the pressure maintaining box filled with the compressed tea in the step 10 by using an aseptic preservative film in an aseptic environment;
12 ) flowering culture: putting the compressed tea obtained in the step 11) into a flowering house, and carrying out dark culture at the set temperature of 26-27 ℃ for 4-5d, and ensuring that the temperature does not exceed 28 ℃;
13 Drying: putting the compressed tea subjected to flowering in the step 12) into an oven, setting the temperature to be 35 ℃, baking for 1-2d, and detecting the water content of the compressed tea by using the method in the step 2), wherein the water content is 8-10% to complete production.
10. A compressed tea, prepared by the method of any one of claims 1 to 9.
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