CN103340250A - Industrialization production method for green tea capable of being made by room-temperature water - Google Patents
Industrialization production method for green tea capable of being made by room-temperature water Download PDFInfo
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Abstract
The invention discloses an industrialization production method for green tea capable of being made by room-temperature water. The method comprises the following steps of: picking fresh tea tree leaves from the period of a bud with a leaf to the period of a bud with two leaves; spreading the picked fresh tea tree leaves, dewatering, cooling by spreading for moisture regaining, kneading, cutting, deblocking, performing first-firing, cooling by spreading for moisture regaining, performing full-firing, grinding, screening and packaging to obtain a finished product. According to the method, the production process for the tea leaves is improved to enable the produced tea leaves to be capable of being made by the room-temperature water (25 DEG C); in made tea water, all various indexes such as tea polyphenol, catechin and amino acid can meet the needs and few substances such as the amino acid and caffeine with high stimulus on a human body are leached; the production process disclosed by the invention is suitable for industrialization production; the green tea capable of being made by the room-temperature water is simple in process, easy for industrialization and good in use effect.
Description
Technical field
The present invention relates to processing field of tea leaves, especially a kind of industrialized preparing process of cold bubble green tea.
Background technology
" cold brew tea " is to utilize physical method, chemical method, method of enzymatically treating, carries out the novel tea that speed is steeped Instant Drinks by what the improvement processing and refining to traditional tea making technology formed with cold water or frozen water.Existing cold brew tea production method and technology are as follows:
1. the method for preparing cold-brewing tea by puffing at variable temperature and pressure differences [number of patent application: CN200910071029.8].Be made up of following step: (1) adds water with dry tealeaves or the fresh tea passes after completing, kneading processing, in 4-10 ℃ of placement; (2) freezing, intensification is thawed; (3) step (2) is repeated 2-3 time; (4) pack in the changing temperature-pressure-difference airflow puffing jar, with the steam indirect after 90-130 ℃, insulation 3-10min, second pressure is down to 100Pa from 0.12-0.25MPa at 60-180, be cooled to 70-85 ℃, vacuumize the dry 150-250min of processing, get cold brew tea.
2. process method for preparing cold brewing tea by ice crystallization cell wall breaking [number of patent application: CN200810148938.2].Plant process method for preparing cold brewing tea by ice crystallization cell wall breaking, comply with following processing step: the first step puts fresh tea passes to being lower than-40 ℃ of low temperature environments, make its ice crystalization, second step put the tealeaves of ice crystal processing to vacuum tank, the 3rd step afterturn in vacuum tank, the 4th step, heating-up temperature was 70 ℃ to 100 ℃ to the vacuum tank heating, and the 5th step was stirred to drying in the vacuum tank of heating.
3. another kind of puffing technique prepares the processing method of cold brew tea, patent name: the processing method of cold brew tea [number of patent application: 200810061239.4].Its step is as follows: (1) steams fresh tea leaf blue or green, naturally put into bulking equipment after being cooled to room temperature, add refrigerant simultaneously: dry ice or liquid CO ↓ ［ 2 ］ or liquid N ↓ ［ 2 ］, refrigerant and tealeaves are mixed, carry out fast cooling, when not enough bulking pressure 0.3～1.2MPa is boosted in refrigerant gasification, supplementary pressure to 0.3～1.2MPa; (2) will be through the freezing tealeaves of step (1), in bulking equipment, under 0.3～1.2MPa pressure, thawed simultaneously in pressurize 10-30 minute, at 1-2 release pressure in second, make tea leaf puffed then; (3) tealeaves after expanded is rubbed cut, oven dry, Titian, screening.
4. a vacuum pressed prepares the method for cold brew tea.Denomination of invention: a kind of cold brew tea manufacture method and device thereof [number of patent application CN201010199948.6].A kind of cold brew tea manufacture method of disclosure of the Invention, its step comprise a. tealeaves, the cold water of preset proportion are placed in the room; B. airtight room; C. to room pressurization and keep setting-up time; D. to the room extracting gases to demand vacuum and keep setting-up time; E. repeat on demand or do not repeat aforementioned pressurization, the extracting vacuum step is finished cold brew tea.
The production and processing method subject matter of existing cold brew tea is: be confined to Laboratory Production, and working condition has relatively high expectations, cost is bigger, is difficult to realize suitability for industrialized production.
Summary of the invention
The objective of the invention is: a kind of industrialized preparing process of cold bubble green tea is provided, and it can process cold bubble green tea by the industrialized mode of production.
The present invention is achieved in that the industrialized preparing process of cold bubble green tea, plucks a bud one leaf to the fresh leaves of tea plant of a bud four leaves; The fresh leaves of tea plant of plucking is spread processing, will note avoiding bright leaf mechanical damage when spreading bright leaf, leaf-spreading thickness is 5～10cm, and the time of spreading is 4～20h; Processing again will complete through the fresh leaves of tea plant of spreading for cooling; To place the spreading for cooling damping machine to carry out the spreading for cooling moisture regain through the tealeaves that completes and handle, leaf-spreading thickness is 5～10cm, and the time of spreading is 1～2h; To knead in kneading machine through the tealeaves that spreading for cooling moisture regain is handled, and knead in the process, the light 10min that presses earlier presses 60min in again, and last pine is pressed 10min, and the tealeaves cell crashing ratio after kneading is 60～65%; Will be through in the tealeaves input rotor kneading and cutting machine of kneading, shred to diameter less than 15mm; The tealeaves of chopping is deblocked, degree with tealeaves do not lump, not agglomerating, stacked being advisable not; With the tealeaves after deblocking through gross fire dry to moisture content be 30～40%, the gross fire temperature is 110～120 ℃, time 5～8min; Adopt the spreading for cooling damping machine to carry out spreading for cooling the tealeaves behind gross fire again, leaf-spreading thickness is 5～10cm, and the time of spreading is 0.5～1h; Being dried to moisture content through sufficient fire then is 6～7%, and the fiery temperature of foot is 110～120 ℃, time 8～20min; Again the fiery dried tealeaves of foot is pulverized, crossed 14～20 mesh sieves; With tea filter paper it is packaged into a bag alveolitoid tealeaves at last, namely obtains finished product.
Described completing adopted roller fixation machine, steaming apparatus, hot air water-removing machine or steam inactivation machine; The temperature that completes is respectively 140～200 ℃ of roller fixation machine air themperatures, time 60～80s; 130～140 ℃ of steaming apparatus temperature, time 30～90s; 300～350 ℃ of hot air water-removing machine temperature, time 15～30s; 100～200 ℃ of steam inactivation machine temperature, the time is 30～180s.。Throw the leaf amount and generally grasp according to the green-keeping machine unit-hour output, namely per minute is thrown leaf amount (kg)=green-keeping machine unit-hour output (kg)/60min
The present invention compares with the Tea Processing of routine, mainly is that chopping technology and the making of kneading technology and conventional green tea are different, and therefore prepares the tealeaves that adopts the water under the room temperature (25 ℃) just can brew.And processing technology of the present invention is pure Physical Processing technology, and the chemical addition agent that undopes is green, healthy.
In order to verify technique effect of the present invention, the tealeaves that adopts the present invention to produce is detected, the result is as shown in Figure 1-Figure 3.
Be embodied in:
The production of conventional green tea, the time of kneading is generally about 40min, and knead the process that all requires weight to knead for thick old tealeaves in the process, this patent adopt technology, be a kind of when long in the pressure technology, when guaranteeing to knead the leaf shaping, the ruined tealeaves of cell membrane fully contacts with air, both allowed the polyphenols of kneading out fully contact with oxygen, oxidation takes place, polymerization, chemical reactions such as isomery, reduced the bitter taste that becomes to sample tea, can form taste substances such as amino acid again more, kneaded during with duration and allow more the many cells internal substance oozes out.
The chopping process choice need not be carried out baking just and namely rub and cut after being kneaded, and can promote industrial production efficiency, and the leaching velocity in cold water of having accelerated to become to sample tea is for solid foundation has been laid in the preparation of cold brew tea.
Owing to adopted technique scheme, compared with prior art, the present invention improves the production technology of tealeaves, make its tealeaves that produce to obtain only need adopt the water under the room temperature just can the infusion Instant Drinks, in its tea that bubbles out, every indexs such as Tea Polyphenols, catechin, amino acid all can be satisfied the demand, it is less human stomach to be stimulated materials such as bigger tannic acid, caffeine leach, and, production technology of the present invention is suitable for suitability for industrialized production, processing mode is simple, is easy to industrialization, and result of use is good.
Description of drawings
Accompanying drawing 1 is the 1st page of the examining report of the product that obtains according to the present invention;
Accompanying drawing 2 is the 2nd page of the examining report of the product that obtains according to the present invention;
Accompanying drawing 3 is the 3rd page of the examining report of the product that obtains according to the present invention;
Accompanying drawing 4 is the front cover of the examining report of the product of acquisition according to the present invention.
The specific embodiment
Embodiments of the invention 1: pluck a bud one leaf to the fresh leaves of tea plant of a bud four leaves; The fresh leaves of tea plant of plucking is spread processing, will note avoiding bright leaf mechanical damage when spreading bright leaf, leaf-spreading thickness is 8cm, and the time of spreading is 12h; To send into the processing that completes in the roller fixation machine through the fresh leaves of tea plant of spreading for cooling again, 160 ℃ of roller fixation machine air themperatures, time 60～80s; Per minute is thrown leaf amount (kg)=green-keeping machine unit-hour output (kg)/60min; To place the spreading for cooling damping machine to carry out the spreading for cooling moisture regain through the tealeaves that completes and handle, leaf-spreading thickness is 8cm, and the time of spreading is 1.5h; To in kneading machine, knead through the tealeaves that spreading for cooling moisture regain is handled again, when kneading, the tealeaves rub barrel of packing into slightly firmly be compressed, to getting final product from the about 6cm in rub barrel upper edge place, gently press 10min earlier, the middle 60min that presses, last pine is pressed 10min, and the tealeaves cell crashing ratio is 60-65%; Will be through in the tealeaves input rotor kneading and cutting machine of kneading, shred to diameter less than 15mm; The tealeaves of chopping is deblocked, degree with tealeaves do not lump, not agglomerating, stacked being advisable not; With the tealeaves after deblocking through gross fire dry to moisture content be 35%, the gross fire temperature is 115 ℃, the time is at 6min; Adopt the spreading for cooling damping machine to carry out spreading for cooling the tealeaves behind gross fire again, leaf-spreading thickness is 5～10cm, and the time of spreading is 1h; Being dried to moisture content through sufficient fire then is 6%, and the fiery temperature of foot is 120 ℃, time 15min; Again the fiery dried tealeaves of foot is pulverized, crossed 16 mesh sieves; With tea filter paper it is packaged into bag alveolitoid tealeaves at last and namely obtains finished product.
Embodiments of the invention 2: pluck a bud one leaf to the fresh leaves of tea plant of a bud four leaves; The fresh leaves of tea plant of plucking is spread processing, will note avoiding bright leaf mechanical damage when spreading bright leaf, leaf-spreading thickness is 5cm, and the time of spreading is 4h; To send into the processing that completes in the hot air water-removing machine through the fresh leaves of tea plant of spreading for cooling again, 350 ℃ of hot air water-removing machine temperature, time 15s; Per minute is thrown leaf amount (kg)=green-keeping machine unit-hour output (kg)/60min; To place the spreading for cooling damping machine to carry out the spreading for cooling moisture regain through the tealeaves that completes and handle, leaf-spreading thickness is 5cm, and the time of spreading is 1h; To in kneading machine, knead through the tealeaves that spreading for cooling moisture regain is handled again, when kneading, the tealeaves rub barrel of packing into slightly firmly be compressed, to getting final product from the about 6cm in rub barrel upper edge place, gently press 10min earlier, the middle 60min that presses, last pine is pressed 10min, and the tealeaves cell crashing ratio is 60-65%; Will be through in the tealeaves input rotor kneading and cutting machine of kneading, shred to diameter less than 15mm; The tealeaves of chopping is deblocked, degree with tealeaves do not lump, not agglomerating, stacked being advisable not; With the tealeaves after deblocking through gross fire dry to moisture content be 30%, the gross fire temperature is 110 ℃, the time is at 8min; Adopt the spreading for cooling damping machine to carry out spreading for cooling the tealeaves behind gross fire again, leaf-spreading thickness is 5cm, and the time of spreading is 0.5h; Being dried to moisture content through sufficient fire then is 6%, and the fiery temperature of foot is 120 ℃, time 20min; Again the fiery dried tealeaves of foot is pulverized, crossed 14 mesh sieves; With tea filter paper it is packaged into a bag alveolitoid tealeaves at last, namely obtains finished product.
Embodiments of the invention 3: pluck a bud one leaf to the fresh leaves of tea plant of a bud four leaves; The fresh leaves of tea plant of plucking is spread processing, will note avoiding bright leaf mechanical damage when spreading bright leaf, leaf-spreading thickness is 10cm, and the time of spreading is 20h; To send into the processing that completes in the steam inactivation machine through the fresh leaves of tea plant of spreading for cooling again, 150 ℃ of steam inactivation machine temperature, the time is 100s; To place the spreading for cooling damping machine to carry out the spreading for cooling moisture regain through the tealeaves that completes and handle, leaf-spreading thickness is 10cm, and the time of spreading is 2h; To in kneading machine, knead through the tealeaves that spreading for cooling moisture regain is handled again, when kneading, the tealeaves rub barrel of packing into slightly firmly be compressed, to getting final product from the about 6cm in rub barrel upper edge place, gently press 10min earlier, the middle 60min that presses, last pine is pressed 10min, and the tealeaves cell crashing ratio is 60-65%; Will be through in the tealeaves input rotor kneading and cutting machine of kneading, shred to diameter less than 15mm; The tealeaves of chopping is deblocked, degree with tealeaves do not lump, not agglomerating, stacked being advisable not; With the tealeaves after deblocking through gross fire dry to moisture content be 40%, the gross fire temperature is 120 ℃, the time is at 5min; Adopt the spreading for cooling damping machine to carry out spreading for cooling the tealeaves behind gross fire again, leaf-spreading thickness is 10cm, and the time of spreading is 1h; Being dried to moisture content through sufficient fire then is 6%, and the fiery temperature of foot is 120 ℃, time 20min; Again the fiery dried tealeaves of foot is pulverized, crossed 20 mesh sieves; With tea filter paper it is packaged into a bag alveolitoid tealeaves at last, namely obtains finished product.
Claims (2)
1. the industrialized preparing process of a cold bubble green tea is characterized in that: pluck a bud one leaf to the fresh leaves of tea plant of a bud four leaves; The fresh leaves of tea plant of plucking is spread processing, will note avoiding bright leaf mechanical damage when spreading bright leaf, leaf-spreading thickness is 5～10cm, and the time of spreading is 4～20h; Processing again will complete through the fresh leaves of tea plant of spreading for cooling; To place the spreading for cooling damping machine to carry out the spreading for cooling moisture regain through the tealeaves that completes and handle, leaf-spreading thickness is 5～10cm, and the time of spreading is 1～2h; To knead in kneading machine through the tealeaves that spreading for cooling moisture regain is handled, and knead in the process, the light 10min that presses earlier presses 60min in again, and last pine is pressed 10min, and the tealeaves cell crashing ratio after kneading is 60～65%; Will be through in the tealeaves input rotor kneading and cutting machine of kneading, shred to diameter less than 15mm; The tealeaves of chopping is deblocked, degree with tealeaves do not lump, not agglomerating, stacked being advisable not; With the tealeaves after deblocking through gross fire dry to moisture content be 30～40%, the gross fire temperature is 110～120 ℃, time 5～8min; Adopt the spreading for cooling damping machine to carry out spreading for cooling the tealeaves behind gross fire again, leaf-spreading thickness is 5～10cm, and the time of spreading is 0.5～1h; Being dried to moisture content through sufficient fire then is 6～7%, and the fiery temperature of foot is 110～120 ℃, time 8～20min; Again the fiery dried tealeaves of foot is pulverized, crossed 14～20 mesh sieves; With tea filter paper it is packaged into a bag alveolitoid tealeaves at last, namely obtains finished product.
2. the industrialized preparing process of cold bubble green tea according to claim 1 is characterized in that: described employing roller fixation machine, steaming apparatus, hot air water-removing machine or the steam inactivation machine of completing; The temperature that completes is respectively 140～200 ℃ of roller fixation machine air themperatures, time 60～80s; 130～140 ℃ of steaming apparatus temperature, time 30～90s; 300～350 ℃ of hot air water-removing machine temperature, time 15～30s; 100～200 ℃ of steam inactivation machine temperature, the time is 30～180s.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103734362A (en) * | 2013-12-19 | 2014-04-23 | 华南农业大学 | Cold water soluble type green tea and preparation method thereof |
| CN103931803A (en) * | 2014-04-25 | 2014-07-23 | 广西罗城新科双全有机食品有限公司 | Tea processing method |
| CN103999956A (en) * | 2014-04-02 | 2014-08-27 | 黄山紫霞茶业有限公司 | Processing process of green tea capable of being brewed by cold water |
| CN104186736A (en) * | 2014-09-26 | 2014-12-10 | 重庆云岭茶业科技有限责任公司 | Green tea and processing method thereof |
| CN104397215A (en) * | 2014-10-29 | 2015-03-11 | 湖北裕德茶叶有限公司 | Primary processing production line linked system of green tea fannings |
| CN105010586A (en) * | 2014-07-03 | 2015-11-04 | 安徽升翔生态农业发展有限公司 | Tea preparation method |
| CN105432827A (en) * | 2015-12-11 | 2016-03-30 | 苏州市启扬商贸有限公司 | Making method of instant green tea bag |
| CN107279331A (en) * | 2017-07-20 | 2017-10-24 | 安徽农业大学 | A kind of preparation method of cold brew tea |
| CN107873869A (en) * | 2017-11-21 | 2018-04-06 | 贵州省茶叶研究所 | Cold-making green tea industrial production line and its production method |
| CN108283225A (en) * | 2018-03-13 | 2018-07-17 | 溧阳市春雨农业科技有限公司 | The compacting sheet cold brew tea cake process units and method of high cell crashing ratio |
| CN110692753A (en) * | 2019-10-31 | 2020-01-17 | 湖南安化芙蓉山茶业有限责任公司 | Method for preparing tea by high-pressure wall breaking and prepared raw dark green tea |
| CN111466449A (en) * | 2020-03-31 | 2020-07-31 | 汕尾陶禅上茶农科文化有限公司 | Process for frying green tea through pan-fried lotus and mountain capable of being soaked in cold water |
| CN111728043A (en) * | 2020-06-16 | 2020-10-02 | 湘丰茶业集团有限公司 | Preparation method of cold-brewed green tea |
| CN112640967A (en) * | 2020-09-29 | 2021-04-13 | 罗远会 | Preparation method of cold water brewing green tea |
| CN113575706A (en) * | 2021-08-03 | 2021-11-02 | 蓝鲸鱼(杭州)文化旅游发展有限公司 | Cold-brewed green tea and processing technology thereof |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103734362A (en) * | 2013-12-19 | 2014-04-23 | 华南农业大学 | Cold water soluble type green tea and preparation method thereof |
| CN103734362B (en) * | 2013-12-19 | 2015-07-29 | 华南农业大学 | Cold water soluble type green tea and preparation method thereof |
| CN103999956A (en) * | 2014-04-02 | 2014-08-27 | 黄山紫霞茶业有限公司 | Processing process of green tea capable of being brewed by cold water |
| CN103931803A (en) * | 2014-04-25 | 2014-07-23 | 广西罗城新科双全有机食品有限公司 | Tea processing method |
| CN103931803B (en) * | 2014-04-25 | 2015-05-20 | 广西罗城新科双全有机食品有限公司 | Tea processing method |
| CN105010586A (en) * | 2014-07-03 | 2015-11-04 | 安徽升翔生态农业发展有限公司 | Tea preparation method |
| CN104186736A (en) * | 2014-09-26 | 2014-12-10 | 重庆云岭茶业科技有限责任公司 | Green tea and processing method thereof |
| CN104186736B (en) * | 2014-09-26 | 2016-05-18 | 重庆云岭茶业科技有限责任公司 | A kind of green tea and processing method thereof |
| CN104397215A (en) * | 2014-10-29 | 2015-03-11 | 湖北裕德茶叶有限公司 | Primary processing production line linked system of green tea fannings |
| CN105432827A (en) * | 2015-12-11 | 2016-03-30 | 苏州市启扬商贸有限公司 | Making method of instant green tea bag |
| CN107279331A (en) * | 2017-07-20 | 2017-10-24 | 安徽农业大学 | A kind of preparation method of cold brew tea |
| CN107279331B (en) * | 2017-07-20 | 2020-11-24 | 安徽农业大学 | Preparation method of cold-brewing tea |
| CN107873869A (en) * | 2017-11-21 | 2018-04-06 | 贵州省茶叶研究所 | Cold-making green tea industrial production line and its production method |
| CN108283225A (en) * | 2018-03-13 | 2018-07-17 | 溧阳市春雨农业科技有限公司 | The compacting sheet cold brew tea cake process units and method of high cell crashing ratio |
| CN110692753A (en) * | 2019-10-31 | 2020-01-17 | 湖南安化芙蓉山茶业有限责任公司 | Method for preparing tea by high-pressure wall breaking and prepared raw dark green tea |
| CN110692753B (en) * | 2019-10-31 | 2022-08-02 | 湖南安化芙蓉山茶业有限责任公司 | Method for preparing tea by high-pressure wall breaking and prepared raw dark green tea |
| CN111466449A (en) * | 2020-03-31 | 2020-07-31 | 汕尾陶禅上茶农科文化有限公司 | Process for frying green tea through pan-fried lotus and mountain capable of being soaked in cold water |
| CN111728043A (en) * | 2020-06-16 | 2020-10-02 | 湘丰茶业集团有限公司 | Preparation method of cold-brewed green tea |
| CN112640967A (en) * | 2020-09-29 | 2021-04-13 | 罗远会 | Preparation method of cold water brewing green tea |
| CN113575706A (en) * | 2021-08-03 | 2021-11-02 | 蓝鲸鱼(杭州)文化旅游发展有限公司 | Cold-brewed green tea and processing technology thereof |
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