CN101755955B - Solid-state instant tea granule and preparation method thereof - Google Patents
Solid-state instant tea granule and preparation method thereof Download PDFInfo
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- CN101755955B CN101755955B CN 200910095022 CN200910095022A CN101755955B CN 101755955 B CN101755955 B CN 101755955B CN 200910095022 CN200910095022 CN 200910095022 CN 200910095022 A CN200910095022 A CN 200910095022A CN 101755955 B CN101755955 B CN 101755955B
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Abstract
The invention discloses a solid-state instant tea granule and a preparation method thereof. The tea granule is a hollow granule with the diameter of 0.05-0.4mm. The instant tea granule comprises green tea, black tea, Oolong tea, Pu'er tea or the mixture thereof. The preparation method comprises the following processing steps: taking raw tea and adding 8-16 times water, completing the extractive boiling via dynamic sealing and dynamic circulation, decompressing and concentrating for 5-8 hours and simultaneously extracting raw tea perfume volatile oil via backflow. When the proportion of raw tea concentrated solution is 1.1-1.5g/ml, the concentrated solution is filtered, filtrate is delivered to the top of a high tower of 20m-40m, the liquid pressure is 2-4MPa, pressure release is suddenly carried out for atomization so as to make the filtrate contacted with air with the temperature of 130-160 DEG C and the pressure of 0.3-0.5MPa, and after 1-5 seconds of heating, when the temperature of hot air is reduced to 96-98 DEG C and the pressure is 0.2-0.4MPa, the instant hollow tea granule or the instant hollow granule with tea flavor is obtained. The method has the characteristics that the water extraction and concentration of tea and the collection of tea perfume volatile oil are completed dynamically and circularly in an enclosed system simultaneously, so energy and water consumption are saved, and the production efficiency is increased by three times.
Description
Technical field
The present invention relates to a kind of solid-state instant tea granule and manufacture method thereof.Belong to the tea beverage processing technique field.
Background technology
The product tea history in existing several thousand of China has formed multiclass tealeaves and the multiple products such as tea-bag is made tea, beverage tea, instant tea such as green tea, black tea, oolong tea, jasmine tea, white tea, yellow tea, black tea, compression tea today, satisfies people and gives birth to clean needs.Instant tea is the new product that the fifties grows up, and drinks to people to bring great convenience.But through looking into interrelated data, produce in the world at present instant tea, all adopt the tea powder repeatedly water extract tea, the tea with low concentration concentrates again, drying forms.Carry out freeze drying although also have after tea is concentrated, energy consumption is large, cost is high.In order to reduce cost, have to adopt at a low price tea side or the following processing of tealeaves of low-quality, affected the quality of instant tea.
The research and development of instant tea have the history of decades, research focus on how effectively the nutritional labeling in the raw material tea and fragrance component as far as possible fully to be extracted and Collection and conservation, further be processed into the local flavor of energy reaction raw materials tea, and the powder tea of tool solubility.
At present the processing method of this class instant tea comprises the filtration, concentrated and dry of the extraction of raw material tea and extract nothing more than, wherein, extraction comprises that organic solvent extraction and water extraction get, organic solvent extracts needs to reclaim solvent, the dissolvent residual that has product, and the composition of the composition of extract and water logging has difference, is difficult to really satisfy the person's of drinking tea mouthfeel requirement.
Summary of the invention
The object of the invention is to overcome the deficiency of the said goods, invent a kind of production efficiency, carry, taking convenience, need not add any anticorrisive agent and be difficult for going mouldy.Do not add the solid-state instant tea granule that any excipient direct tablet compressing or filled capsules take and make this solid-state instant tea granule method.
The object of the invention is to invent a kind of raw material tea and directly adopt water extraction, concentrated and to carry out three processes that the fragrant volatile oil of tea collects all be that dynamic circulation is finished simultaneously in the system of a sealing, energy savings and water consumption, three times the solid-state instant tea granule manufacture method of enhancing productivity.
Product solid-state instant tea granule of the present invention is green tea, black tea, oolong tea, Pu'er tea is single or the mixture lotion of their arbitrary combinations, and solid-state instant tea granule is that diameter is the hollow bead of 0.05-0.4mm.
The manufacture method system of solid-state instant tea granule of the present invention adopts following processing step:
(1) take percentage by weight as, get raw material tea and add its weight 8-16 water doubly, carry in the Dynamic Closed dynamic circulation boil, reduced pressure concentration 5-8 hour, refluxing extraction raw material tea Chen Xiang volatile oil, when treating that raw material tea concentrate proportion is 1.1-1.5g/ml, filter;
(2) again filtrate is transported to the high cat head of 20m-40m, filtrate is pressurized to the 2MPa-4MPa scope, allows filtrate from suddenly release of pressure atomizing of discharge opening, and with another inlet temperature be 130-160 ℃, pressure is the hot-air contact of 0.3-0.5MPa, through the 1-5 heating of second;
(3) drop to 96-98 ℃ when hot air temperature, when pressure was 0.2-0.4MPa, obtaining diameter was the hollow raw material tea granule of 0.05-0.4mm or the instant hollow bead that keeps raw material tea aged aroma.
Evenly spray back in the raw material tea hollow bead the instant hollow bead of the maintenance raw material tea smell that acquires afterwards boiling the fragrant volatile oil of the raw material tea of collecting when carrying.
Described raw material tea bag is drawn together green tea, black tea, oolong tea, Pu'er tea or their mixture.
A kind of solid-state instant tea granule manufacture method of the present invention has following characteristics and advantage:
(1), the collection of the water extraction of tea, the concentrated and fragrant volatile oil of tea, dynamic circulation is finished in the system of a sealing simultaneously, make the aged aroma of tea obtain keeping, utilize vapours for the condensate liquid post bake, saved the energy, add totally 16 times in water to three times in the traditional extraction technique, become and once add water 8-16 doubly, saved water consumption, the time of three Jia Shui and three drawing liquids changes once Jia Shui, a drawing liquid into, makes production efficiency improve three times.
(2), atomizing granulation and drying are finished synchronously; and utilize the moisture content moment volatilization in the rear drop of atomizing; form the particle of hollow, the size of particle is to be determined by the pressure size of liquid and the size of atomized drop, because the dry heat time is short; the endoplasm composition of tea is remained unchanged; surperficial moment of particle is difficult for the moisture absorption behind the hot setting, and absorption affinity reduces between the particle of surface cure, compares with particle or powder that other method obtains; prevented from caking, smooth surface and have easy mobility.This kind particle need not to add any additive and excipient just can directly pack, bottling, compressing tablet, filled capsules, carries, taking convenience.
(3), boil when carrying the fragrant volatile oil of the tea of collecting evenly spray get back in the hollow bead, and the product rear soup look that is dissolved in water is transparent, without any additive, has kept genuine tea mouthfeel.Secondly be again particle drying moment high temperature the microorganism killing in the tea, make the hygiene bacterium inspection of tea granule qualified, available tea granule is instant cold water drink, the cold mineral water tea beverage made in cold water.
(4), the content of Tea Polyphenols is best sterilization and the anti-oxidant scope of Tea Polyphenols at 14%-25% just in the Pu'er tea hollow bead that makes of the method, make Pu'er tea hollow bead and preparation need not add any anticorrisive agent and be difficult for going mouldy.The every detection index of the hollow Pu'er tea granule that the method makes is stable, and product quality is controlled, is conducive to Pu'er tea to the industrialized development of intensive processing.
The specific embodiment
The below further specifies flesh and blood of the present invention with example, but content of the present invention is not limited to this.
Embodiment 1: selecting the 100kg Pu'er tea is raw material tea, adds the water of 8 times of raw material tea weight, the Dynamic Closed dynamic circulation finish carry boil, reduced pressure concentration 5 hours, simultaneously refluxing extraction Pu'er tea Chen Xiang volatile oil.When treating that pu'er tea concentrated liquid proportion is 1.1g/ml, filter, filtrate is transported to the high cat head of 40m, fluid pressure is at 2MPa, suddenly release of pressure atomizing is 130 ℃ with inlet temperature, pressure is the contact with air of 0.5MPa, through 5 seconds heating, when hot air temperature drops to 98 ℃, when pressure is 0.4MPa, obtaining diameter is the hollow Pu'er tea granule of 0.05-0.4mm, hollow Pu'er tea granule moisture content and Chen Xiang volatile oil content are 2%-8%, and polyphenol content is at 14%-25%, total ash 10%-16%, caffeine content is at 7%-13%, solubility g/100g 〉=95, tea polysaccharide content is at 6%-16%, and crude protein content is at 30%-42%, free amino acid total amount 2%-4%, thearubigin content is at 0.5%-1%, and theaflavin content is at 0.08%-0.2%, and theabrownin content is at 4%-21%, content of heavy metal lead≤5mg/kg, total plate count＜10cfu/g.
Evenly spray back again in the Pu'er tea hollow bead the instant hollow bead of the Pu'er tea aged aroma that can be maintained afterwards boiling the Pu'er tea Chen Xiang volatile oil of collecting when carrying.Because the hollow bead good fluidity, can not add any additive and excipient direct quantitative and dress up the forms such as bag or bottle and take, also can not add any excipient direct tablet compressing or filled capsules to take, and storage process prevented from caking and the moisture absorption.
It is raw material tea that embodiment 2 gets 100kg green tea, adds the water of 16 times of raw material tea weight, in the Dynamic Closed tower dynamic agitation circulation finish carry boil, reduced pressure concentration 8 hours, in reflux course, extract simultaneously green tea Chen Xiang volatile oil.When treating that green tea concentrated liquid proportion is 1.5g/ml, filter, filtrate is transported to the high cat head of 30m, filtrate is pressurized to 3MPa, allows the filtrate be 160 ℃ from suddenly release of pressure atomizing of discharge opening with another inlet temperature, pressure is the contact with air of 0.3MPa, heating through 1 second, when hot air temperature drops to 96 ℃, when pressure was 0.2MPa, obtaining diameter was the hollow green tea particles of 0.05-0.4mm.Hollow green tea particles moisture content and Chen Xiang volatile oil content are 6%, and polyphenol content is 14%, total ash 16%, caffeine content is 13%, solubility g/100g 〉=95, tea polysaccharide content is 16%, and crude protein content is 35%, free amino acid total amount 4%, thearubigin content is 1%, and theaflavin content is 0.2%, and theabrownin content is 18%, content of heavy metal lead≤5mg/kg, total plate count＜10cfu/g.
Evenly spray back again in the green tea hollow bead the instant hollow bead of the green tea aged aroma that can be maintained afterwards boiling the green tea Chen Xiang volatile oil of collecting when carrying.Because the hollow bead good fluidity, can not add any additive and excipient direct quantitative and dress up the forms such as bag or bottle and take, also can not add any excipient direct tablet compressing or filled capsules to take, and storage process prevented from caking and the moisture absorption.
Embodiment 3 gets the water that 100kg black tea adds 10 times, in the Dynamic Closed tower, dynamically stir companion circulation finish carry boil, reduced pressure concentration 7 hours, reflux course extracts black tea Chen Xiang volatile oil simultaneously.When treating that black tea concentrate proportion is 1.3g/ml, filter, filtrate is transported to the high cat head of 20m, and filtrate is pressurized to 4MPa, allows filtrate from the discharge opening discharging, suddenly release of pressure atomizing of filtrate is 150 ℃ with another inlet temperature, pressure is the contact with air of 0.4MPa, through 4 seconds heating, when hot air temperature drops to 97 ℃, when pressure was 0.3MPa, obtaining diameter was the hollow black tea particle of 0.05-0.4mm.Hollow black tea particle moisture content and Chen Xiang volatile oil content are 8%, and polyphenol content is 14%, total ash 10%, caffeine content is 7%, solubility g/100g 〉=95, tea polysaccharide content is 10%, and crude protein content is 30%, free amino acid total amount 2%, thearubigin content is 0.5%, and theaflavin content is 0.08%, and theabrownin content is 4%, content of heavy metal lead≤5mg/kg, total plate count＜10cfu/g.
Evenly spray back in the black tea hollow bead the instant hollow bead of the black tea aged aroma that can be maintained afterwards boiling the black tea Chen Xiang volatile oil of collecting when carrying.Because the hollow bead good fluidity, can not add any additive and excipient direct quantitative and dress up the forms such as bag or bottle and take, also can not add any excipient direct tablet compressing or filled capsules to take, and storage process prevented from caking and the moisture absorption.
Embodiment 4 gets 100kg black tea+100kg green tea+100kg oolong tea+100kg Pu'er tea constitutive material tea, press 14 extraordinarily entry of raw material tea weight, in the Dynamic Closed tower, dynamically stir companion circulation finish carry boil, reduced pressure concentration 6 hours, reflux course extracts raw material tea Chen Xiang volatile oil simultaneously.When treating that raw material tea concentrate proportion is 1.4g/ml, filter, filtrate is transported to the high cat head of 35m, and filtrate is pressurized to 3.5MPa, allow filtrate from the discharge opening discharging, the raw material tea filtrate is suddenly release of pressure atomizing during from the aperture discharging, and with another inlet temperature be 150 ℃, pressure is the contact with air of 0.4MPa, heating through 2 seconds, when hot air temperature drops to 97 ℃, when pressure was 0.25MPa, obtaining diameter was the hollow black tea particle of 0.05-0.4mm.Hollow raw material tea granule moisture content and Chen Xiang volatile oil content are 8%, and polyphenol content is 14%, total ash 10%, caffeine content is 7%, solubility g/100g 〉=95, tea polysaccharide content is 10%, and crude protein content is 30%, free amino acid total amount 2%, thearubigin content is 0.5%, and theaflavin content is 0.08%, and theabrownin content is 4%, content of heavy metal lead≤5mg/kg, total plate count＜10cfu/g.
Evenly spray back in the raw material tea tea hollow bead the instant hollow bead of the raw material tea tea aged aroma that can be maintained afterwards boiling the raw material tea tea Chen Xiang volatile oil of collecting when carrying.Because the hollow bead good fluidity, can not add any additive and excipient direct quantitative and dress up the forms such as bag or bottle and take, also can not add any excipient direct tablet compressing or filled capsules to take, and storage process prevented from caking and the moisture absorption.
Table 1 is the testing result of product of the present invention.Table 2 is examining reports of product of the present invention.Table 3 is examining reports of product of the present invention.
Table 2
Table 3
Claims (3)
1. solid-state instant tea granule manufacture method is characterized in that adopting following processing step:
(1) take percentage by weight as, get raw material tea and add its weight 8-16 water doubly, carry in the Dynamic Closed dynamic circulation boil, reduced pressure concentration 5-8 hour, refluxing extraction raw material tea Chen Xiang volatile oil, when treating that raw material tea concentrate proportion is 1.1-1.5g/ml, filter;
(2) again filtrate is transported to the high cat head of 20m-40m, filtrate is pressurized to the 2MPa-4MPa scope, allows filtrate from suddenly release of pressure atomizing of discharge opening, and with another inlet temperature be 130-160 ℃, pressure is the hot-air contact of 0.3-0.5MPa, through the 1-5 heating of second;
(3) drop to 96-98 ℃ when hot air temperature, when pressure is 0.2-0.4MPa, obtaining diameter is the hollow raw material tea granule of 0.05-0.4mm, evenly sprays in the heart raw material tea granule that makes the return trip empty boiling the raw material tea Chen Xiang volatile oil of collecting when carrying, and obtains to keep the instant hollow bead of raw material tea aged aroma.
2. solid-state instant tea granule manufacture method according to claim 1 is characterized in that described raw material tea bag draws together green tea, black tea, oolong tea, Pu'er tea or their mixture.
3. solid-state instant tea granule manufacture method according to claim 1 is characterized in that described solid-state instant tea granule is green tea, black tea, oolong tea, Pu'er tea is single or the mixture lotion of their arbitrary combinations.
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| CN103843930B (en) * | 2014-02-25 | 2015-09-02 | 湖南农业大学 | A kind of not containing the instant tea granule preparation method of additive |
| CN104642592A (en) * | 2015-02-05 | 2015-05-27 | 刘云龙 | Blood sugar reducing golden flower and kudzuvine root containing health tea granules and preparation method thereof |
| CN108402226A (en) * | 2018-05-21 | 2018-08-17 | 湖北惠普美乐健康产业有限公司 | A kind of instant powder shape zinc selenium health protection tea and preparation method thereof |
| CN112544739A (en) * | 2021-01-04 | 2021-03-26 | 方连明 | Selenium-rich tea and preparation method and application thereof |
| CN114403263A (en) * | 2022-02-10 | 2022-04-29 | 浙江依思味生物科技有限公司 | Easily-soluble function-enhanced tea pigment solid instant tea and preparation method thereof |
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| CN1295805A (en) * | 1999-11-10 | 2001-05-23 | 邢东杰 | Productive technology for microcapsule plant extract |
| CN1907060A (en) * | 2006-08-02 | 2007-02-07 | 云南龙润药业有限公司 | Instant pu'er tea and its preparation method |
| CN101057623A (en) * | 2007-05-29 | 2007-10-24 | 云南龙润药业有限公司 | Aged odor type food additive and its preparation and application |
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Patent Citations (3)
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|---|---|---|---|---|
| CN1295805A (en) * | 1999-11-10 | 2001-05-23 | 邢东杰 | Productive technology for microcapsule plant extract |
| CN1907060A (en) * | 2006-08-02 | 2007-02-07 | 云南龙润药业有限公司 | Instant pu'er tea and its preparation method |
| CN101057623A (en) * | 2007-05-29 | 2007-10-24 | 云南龙润药业有限公司 | Aged odor type food additive and its preparation and application |
Non-Patent Citations (1)
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| 姚国柱."速溶茶的加工原理及颗粒成型问题的研究".《茶业通报》.1984,(第3期), |
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Application publication date: 20100630 Assignee: Pu'er Songmao Pharmaceutical Co., Ltd. Assignor: Liu Bao Contract record no.: 2014530000081 Denomination of invention: Solid-state instant tea granule and preparation method thereof Granted publication date: 20130410 License type: Exclusive License Record date: 20140617 |
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