CN102986956A - Method for producing low-fluorine brick tea by adding edible biological materials - Google Patents

Abstract

The invention discloses a method for producing low-fluorine brick tea by adding edible biological materials. The method includes selecting high-fluorine-content brick tea products, adding the edible biological materials into the high-fluorine-content brick tea products, and pressing the tea into tea bricks by mixing steaming; or selecting high-fluorine-content brick tea raw materials, adding the edible biological materials into high-fluorine-content the brick tea raw materials, fermenting with water in pile fermentation mode, drying and pressing the tea into tea bricks in steaming mode. The adopted biological materials are nontoxic, so that the problem of safety caused by drinking the brick tea is totally avoided due to the fact that pollution caused by chemical reagents is totally avoided. The biological materials are dried jasmine or folium mori, so that the low-fluorine brick tea has the advantages of dilution fluorine reduction effect and the adsorption fluorine reduction effect, and the method provides a new application for producing the low-fluorine brick tea. The adopted biological materials can improve the flavor of the brick tea and provides a new health-care function for the brick tea.

Description

A kind of method of adding food organism manufacture of materials low fluorine brick tea

Technical field

The invention belongs to the Tea Production technical field, relate in particular to a kind of method of adding food organism manufacture of materials low fluorine brick tea.

Background technology

Because the tea raw material that traditional limit tea adopts is slightly old, fluorinated volume is higher, generally about 600mg/kg, add top tea and adopt traditional infusion drinking way, fluorine extraction rate is high, generally more than 80%, and national compatriot's amount of drinking tea is large, reach 10kg/ for each person every year about, cause limit tea traditional consumption person day to take the photograph the fluorine amount too high, substantially exceed for each person every day limit standard of 4mg, general, typical " drinking brick-tea type fluorosis " phenomenon have occured in ethnic mimority area.And reduce the amount of drinking tea, and reduce the absorption of fluorine, can cause the other problemses such as highlands crowd's digestive difficulties, use other teas instead, can increase the weight of highlands life crowd's hypoxia response.

At present, produce low fluorine brick tea in order to reduce limit tea fluorinated volume, the main employing: 1. improve the tender degree of limit tea, reduce fluorinated volume, not only greatly increase cost, cause simultaneously caffeine content to raise, can increase the weight of altitude sickness; 2. in the tea of limit, add and fall fluorine chemistry reagent, though can reduce the fluorinated volume of limit tea finished product, can cause the residual of chemical composition, cause the problems such as poor stability; 3. add in millet paste and fall fluorine reagent, filtering and concentrating is produced instant low fluorine tea powder and low fluorine tea cream, but production cost and price are higher, and has changed that national compatriot brews or the tea drinking habit of infusion, and the product promotion difficulty is large; 4. add aborning the microbe additives such as EM, but fluoro droping effect is unstable, and microbial metabolic products leaves in the tea, have potential potential safety hazard; 5. in the tea production process of limit, adopt the method for piecing together to enter tea stalk, sheet end, though can reduce the fluorinated volume of finished product limit tea, but high fluorine limit tea raw material digestion is limited (take the limit tea raw material of fluorinated volume 600mg/kg as example, can only piece together into 20% at most), and affected limit tea local flavor, be difficult to grasp and complex operation in production.

Summary of the invention

The present invention adopts in the tea production process of limit, adds that edible biomaterial such as mulberry leaf, Jasmine do etc., reaches the safe for drinking that can guarantee the consumer, can reduce again the method that a kind of low fluorine brick tea of limit tea fluorinated volume is produced.

The embodiment of the invention is achieved in that a kind of method of adding food organism manufacture of materials low fluorine brick tea, chooses high fluorine limit tea finished product, adds the food organism material, and the mixed steam steam pressure is made brick tea; Or choose high fluorine limit tea raw material, and add the food organism material, flood, pile-fermentation, drying, decatize is pressed into brick tea.

Further, the concrete technology flow process is:

The first step is chosen high fluorine limit tea raw material, chooses the high fluorine limit tea semi-finished product that meet the national tea hygienic standard requirement;

Second step adds biomaterial, takes by weighing above-mentioned satisfactory tea raw material 1000kg, and the Jasmine after adding 10～20% chops up does or mulberry leaf, fully mixes;

Second step floods, and with the above-mentioned tealeaves that mixes, the temperature of sprinkling 30～40% is 40～60 ℃ hot water, and mix is even;

The 3rd step decatize, heat is rubbed, with above-mentioned add water and mix after tealeaves, adopt the steamed 5～10 minutes of 0.2～0.3mPa, then while hot in kneading machine heat rubbed 20～30 minutes, tea bar convolution is got final product;

The 4th step pile-fermentation, tealeaves after heat rubbed is piled into high 1～1.2 meter high square tea heap while hot, tamp all around and add a cover wet cloth and be incubated, when core temperature rises to 65 ℃, open the drop cloth turning, the heap face ploughs under pile core, again flock together again as stated above, continue wet heap, turning, flock together, 3～4 times repeatedly, be appropriateness until tealeaves changes the red soup of brown leaf into;

The 5th step is dry, the tealeaves after the pile-fermentation appropriateness is carried out fried dry or dries to water content about 10%;

The 6th step vapour steam-pressing brisk, according to every brick 500g weigh dry after tealeaves, pass into the steam 30～60 seconds of 0.2～0.3mPa, after making the tealeaves deliquescing, pour extrusion forming in the brick tea mould into, take out after the cooling, in 70～80 ℃ drying room, dry by the fire to water content and be low-fluorine brick tea below 8%.

Further, the method also comprises the method for preparing low-fluorine brick tea take limit tea finished product as raw material, and concrete steps are:

The high fluorine of first step limit tea finished product is chosen the high fluorine limit tea finished product that meets national tea hygienic standard, meet limit tea local flavor requirement as the raw material of preparation low-fluorine brick tea;

Second step adds biomaterial, takes by weighing above-mentioned satisfactory tea raw material 1000kg, and the Jasmine that adds after 10～20% chop up does or mulberry leaf, fully mixes;

Second step vapour steam-pressing brisk, according to every brick 500g weigh dry after tealeaves, pass into the steam 30～60 seconds of 0.2～0.3mPa, after making the tealeaves deliquescing, pour extrusion forming in the brick tea mould into, take out after the cooling, in 70～80 ℃ drying room, dry by the fire to water content and be low fluorine brick tea below 8%.

Beneficial effect of the present invention:

1. the biomaterial that adopts is nontoxic, thereby has avoided fully because the pollution of chemical reagent, and produce drink the safety issue that limit tea causes.

2. because the biomaterial Jasmine does or mulberry leaf, not only have the dilution fluoro droping effect, and have the absorption fluoro droping effect, for low fluorine brick tea production provides a new approach.

3. the biomaterial that adopts not only can improve limit tea local flavor, and has given limit tea new health care.

Description of drawings

Fig. 1 is the process chart for preparing the low fluorine brick tea technical scheme take semi-finished product as raw material that the embodiment of the invention provides;

Fig. 2 be the embodiment of the invention provide prepare the process chart of low-fluorine brick tea as raw material take limit tea finished product.

The specific embodiment

In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.

Embodiment 1: prepare the low fluorine brick tea technical scheme take semi-finished product as raw material

The high fluorine of first step limit tea raw material

Choose the high fluorine limit tea semi-finished product that meet the national tea hygienic standard requirement.

Second step adds biomaterial

Take by weighing above-mentioned satisfactory tea raw material 1000kg, the Jasmine after adding 10～20% chops up does or mulberry leaf, fully mixes.

Second step floods

With the above-mentioned tealeaves that mixes, the temperature of sprinkling 30～40% is 40～60 ℃ hot water, and mix is even.

The 3rd step decatize, heat are rubbed

With above-mentioned add water and mix after tealeaves, adopt the steamed 5～10 minutes of 0.2～0.3mPa, then while hot in kneading machine heat rubbed 20～30 minutes, tea bar convolution is got final product.

The 4th step pile-fermentation

Tealeaves after heat rubbed is piled into high 1～1.2 meter high square tea heap while hot, tamp all around and add a cover wet cloth and be incubated, when core temperature rises to 65 ℃, open the drop cloth turning, the heap face ploughs under pile core, again flocks together as stated above again, continues wet heap, turning, flocks together, 3～4 times repeatedly, until changing the red soup of brown leaf into, tealeaves is appropriateness.

The 5th step is dry

Tealeaves after the pile-fermentation appropriateness is carried out fried dry or dry to water content about 10%.

The 6th step vapour steam-pressing brisk

According to every brick 500g weigh dry after tealeaves, pass into the steam 30～60 seconds of 0.2～0.3mPa, make the tealeaves deliquescing after, pour extrusion forming in the brick tea mould into, take out after the cooling, in 70～80 ℃ drying room, dry by the fire to water content and be low-fluorine brick tea below 8%.

Embodiment 2: prepare low-fluorine brick tea take limit tea finished product as raw material

The high fluorine of first step limit tea finished product

Choose the high fluorine limit tea finished product that meets national tea hygienic standard, meet limit tea local flavor requirement as the raw material of preparation low-fluorine brick tea.

Second step adds biomaterial

Take by weighing above-mentioned satisfactory tea raw material 1000kg, the Jasmine that adds after 10～20% chop up does or mulberry leaf, fully mixes.

Second step vapour steam-pressing brisk

According to every brick 500g weigh dry after tealeaves, pass into the steam 30～60 seconds of 0.2～0.3mPa, make the tealeaves deliquescing after, pour extrusion forming in the brick tea mould into, take out after the cooling, in 70～80 ℃ drying room, dry by the fire to water content and be low fluorine brick tea below 8%.

Finish experimental study of the present invention:

1, Jasmine does and the impact of mulberry leaf on fluoro droping effect

In the tea of limit, add edible biomaterial Jasmine and do and mulberry leaf, fall that the fluorine result of study sees Table 1, table 2:

Table 1 adds the limit tea fluoro droping effect of Jasmine slag

Table 2 adds the limit tea fluoro droping effect of mulberry leaf

This shows that Jasmine does and mulberry leaf can play the diluting effect except fluorinated volume own extremely hangs down, and can also play the effect that fluorine falls in absorption.

2, add the impact of biomaterial opposite side tea quality

In the tea of limit, add respectively 15% Jasmine and do and mulberry leaf, carry out organoleptic quality and identify, the results are shown in Table 3:

Table 3: add the impact of biomaterial opposite side tea quality

The influence factor of comprehensive opposite side tea quality, the Jasmine that adds 10-20% in the tea of limit does or mulberry leaf, not only can make limit tea fluorinated volume descend about 20%, also can improve the local flavor of limit tea.

The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (3)

1. a method of adding food organism manufacture of materials low fluorine brick tea is characterized in that, chooses high fluorine limit tea finished product, adds the food organism material, and the mixed steam steam pressure is made brick tea; Or choose high fluorine limit tea raw material, and add the food organism material, flood, pile-fermentation, drying, decatize is pressed into brick tea.

2. the production method of low fluorine brick tea according to claim 1 is characterized in that, the concrete technology flow process is:

The first step is chosen high fluorine limit tea raw material, chooses the high fluorine limit tea semi-finished product that meet the national tea hygienic standard requirement;

Second step adds biomaterial, takes by weighing above-mentioned satisfactory tea raw material 1000kg, and the Jasmine after adding 10～20% chops up does or mulberry leaf, fully mixes;

Second step floods, and with the above-mentioned tealeaves that mixes, the temperature of sprinkling 30～40% is 40～60 ℃ hot water, and mix is even;

The 3rd step decatize, heat is rubbed, with above-mentioned add water and mix after tealeaves, adopt the steamed 5～10 minutes of 0.2～0.3mPa, then while hot in kneading machine heat rubbed 20～30 minutes, tea bar convolution is got final product;

The 4th step pile-fermentation, tealeaves after heat rubbed is piled into high 1～1.2 meter high square tea heap while hot, tamp all around and add a cover wet cloth and be incubated, when core temperature rises to 65 ℃, open the drop cloth turning, the heap face ploughs under pile core, again flock together again as stated above, continue wet heap, turning, flock together, 3～4 times repeatedly, be appropriateness until tealeaves changes the red soup of brown leaf into;

The 5th step is dry, the tealeaves after the pile-fermentation appropriateness is carried out fried dry or dries to water content about 10%;

The 6th step vapour steam-pressing brisk, according to every brick 500g weigh dry after tealeaves, pass into the steam 30～60 seconds of 0.2～0.3mPa, after making the tealeaves deliquescing, pour extrusion forming in the brick tea mould into, take out after the cooling, in 70～80 ℃ drying room, dry by the fire to water content and be low-fluorine brick tea below 8%.

3. such as the production method of claim 1 low fluorine brick tea, it is characterized in that the method also comprises the method for preparing low-fluorine brick tea take limit tea finished product as raw material, concrete steps are:

The high fluorine of first step limit tea finished product is chosen the high fluorine limit tea finished product that meets national tea hygienic standard, meet limit tea local flavor requirement as the raw material of preparation low-fluorine brick tea;

Second step adds biomaterial, takes by weighing above-mentioned satisfactory tea raw material 1000kg, and the Jasmine that adds after 10～20% chop up does or mulberry leaf, fully mixes;

Second step vapour steam-pressing brisk, according to every brick 500g weigh dry after tealeaves, pass into the steam 30～60 seconds of 0.2～0.3mPa, after making the tealeaves deliquescing, pour extrusion forming in the brick tea mould into, take out after the cooling, in 70～80 ℃ drying room, dry by the fire to water content and be low fluorine brick tea below 8%.

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