CN109221472A - A kind of tea leaf withering method - Google Patents
A kind of tea leaf withering method Download PDFInfo
- Publication number
- CN109221472A CN109221472A CN201811202227.9A CN201811202227A CN109221472A CN 109221472 A CN109221472 A CN 109221472A CN 201811202227 A CN201811202227 A CN 201811202227A CN 109221472 A CN109221472 A CN 109221472A
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- Prior art keywords
- withers
- tealeaves
- tea
- withering
- freezing
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Abstract
The invention discloses a kind of tea leaf withering method, method includes: that nature withers: the fresh and tender tea spreading of picking being placed on the frame that withers and is withered, and is stirred once every 20min；Freezing processing: the tealeaves spread is sent into freezing chamber freezing；Hot wind withers: the sodium chloride solution for being 10-15% to the tealeaves spray concentration freezed when stirring, and tea spreading is placed in draft chamber after the completion of sprinkling and is blown into hot wind and withers；Last withers: the tealeaves taking-up of the hot draft chamber being placed in withering trough and is withered.The present invention has the advantage that first pass withers naturally compared with prior art reduces tealeaves herbaceous taste, then being freezed by tealeaves and spraying the sodium chloride solution quickening nutritional ingredients such as moisture loss but tea polyphenols will not be lost, reduce withering time, improve tea aroma and nutritional quality, hot wind wither guarantee wither it is full and uniform, last withering trough, which withers, is further ensured that effect of withering, and guarantees that final tea product color, smell and taste and nutrition are various.
Description
Technical field
The present invention relates to tea processing technical field more particularly to a kind of tea leaf withering methods.
Background technique
Tealeaves is the drink liked by people, and in tealeaves production process, the fresh tea passes of picking are withered
It withers, withering refers to and under certain temperature and humidity uniformly spreads tealeaves, so as to the activity of fresh leaf enzyme is moderately promoted, it is interior
Appropriate physics, chemical change occurs containing substance, distributes partial moisture, makes stem, the leaf withering of tealeaves, color is dark green, and green grass gas dissipates
It loses.It withers tune currently, traditional withering is broadly divided into nature: fresh leaf uniformly being spread on bamboo curtain splint or bamboo sieve, set air circulation, yin
The dry place of airing carries out；Daylight withers tune: fresh leaf uniformly being spread and is withered under daylight；The slot that withers withers: fresh leaf is uniformly spread
It withers on withering trough.But existing mode of withering often wither not enough uniformly sufficiently, withering time is longer, and withers
Effect is not with great difficulty lost the nutritional ingredients such as tea polyphenols, so that the nutritional quality of tea product is not high.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of tea leaf withering methods.
The present invention is achieved by the following technical solutions:
A kind of tea leaf withering method, which comprises
Naturally it withers: the fresh and tender tea spreading of picking being placed on the frame that withers and is withered, and stirred once every 20min, wherein
It spreads with a thickness of 2.5-3cm, spreading the time is 1.5-2h；
Freezing processing: the tealeaves spread is sent into freezing chamber freezing, wherein the temperature of the freezing chamber is 0 degree Celsius,
Cooling time is 2-2.5h；
Hot wind withers: the sodium chloride solution for being 10-15% to the tealeaves spray concentration freezed when stirring, and sprinkling is completed
Tea spreading is placed in draft chamber afterwards and is blown into hot wind and withers, wherein the quality of the sodium chloride solution of sprinkling is the total matter of tealeaves
The 15-20% of amount, hot blast temperature are 35-40 degree, are spread with a thickness of 1.5-2cm, and spreading the time is 20-30min；
Last withers: the taking-up of the tealeaves of the hot draft chamber being placed in withering trough and is withered, wherein spread with a thickness of
15-20cm, withering time 15-20min.
Optionally, the hot wind wind speed of the hot draft chamber is 0.1-0.2m/s.
Optionally, the relative humidity of the hot draft chamber is 55-60%.
Optionally, the temperature of the sodium chloride solution is 35-40 degrees Celsius.
The present invention has the advantage that first pass withers naturally compared with prior art reduces tealeaves herbaceous taste, then leads to
The sodium chloride solution quickening nutritional ingredients such as moisture loss but tea polyphenols for crossing tealeaves freezing and sprinkling suitable concentration will not be lost, and be subtracted
Few withering time, and permeability of cell membrane enhancing is made to facilitate intracellular matter reaction, the fragrance and nutritional quality of tealeaves are improved,
Hot wind withers, and to keep tealeaves comprehensive to contact guarantee to be withered with air full and uniform, and last is withered by withering trough, is further protected
Effect of withering is demonstrate,proved, guarantees that final tea product color, smell and taste and nutrition are various.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of tea leaf withering method provided in an embodiment of the present invention.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
Referring to Fig. 1, Fig. 1 is a kind of flow diagram of tea leaf withering method provided in an embodiment of the present invention, may include
Following steps:
S101 withers naturally: the fresh and tender tea spreading of picking being placed on the frame that withers and is withered, and is stirred once every 20min；
Wherein, it spreads with a thickness of 2.5-3cm, spreading the time is 1.5-2h；
Freezing processing: the tealeaves spread is sent into freezing chamber freezing by S102；Wherein, the temperature of the freezing chamber is taken the photograph for 0
Family name's degree, cooling time 2-2.5h；
S103, hot wind wither: the sodium chloride solution for being 10-15% to the tealeaves spray concentration freezed when stirring, spray
Tea spreading is placed in draft chamber after the completion of spilling and is blown into hot wind and withers；Wherein, the quality of the sodium chloride solution of sprinkling is tea
The 15-20% of leaf gross mass, hot blast temperature are 35-40 degree, are spread with a thickness of 1.5-2cm, and spreading the time is 20-30min；
S104, last wither: the tealeaves taking-up of the hot draft chamber being placed in withering trough and is withered；Wherein, thickness is spread
Degree is 15-20cm, withering time 15-20min.
Specifically, the hot wind wind speed of hot draft chamber can be 0.1-0.2m/s.The relative humidity of hot draft chamber can be 55-
60%.The temperature of sodium chloride solution can be 35-40 degrees Celsius.
As it can be seen that first pass wither naturally reduce tealeaves herbaceous taste and generate tea aroma, then by tealeaves freezing with
The sodium chloride solution of sprinkling suitable concentration, which accelerates the nutritional ingredients such as moisture loss but tea polyphenols, to be lost, and withering time is reduced,
And permeability of cell membrane enhancing is made to facilitate intracellular matter reaction, the fragrance and nutritional quality of tealeaves are improved, hot wind, which withers, to be made
Tealeaves is comprehensive to be contacted guarantee with air and withers full and uniform, and last is withered by withering trough, is further ensured that effect of withering,
Guarantee that final tea product color, smell and taste and nutrition are various.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (4)
1. a kind of tea leaf withering method, which is characterized in that the described method includes:
Naturally it withers: the fresh and tender tea spreading of picking being placed on the frame that withers and is withered, and is stirred once every 20min, wherein is spread
With a thickness of 2.5-3cm, spreading the time is 1.5-2h；
Freezing processing: the tealeaves spread is sent into freezing chamber freezing, wherein the temperature of the freezing chamber is 0 degree Celsius, freezing
Time is 2-2.5h；
Hot wind withers: the sodium chloride solution for being 10-15% to the tealeaves spray concentration freezed when stirring, will after the completion of sprinkling
Tea spreading, which is placed in draft chamber, to be blown into hot wind and withers, wherein the quality of the sodium chloride solution of sprinkling is tealeaves gross mass
15-20%, hot blast temperature are 35-40 degree, are spread with a thickness of 1.5-2cm, and spreading the time is 20-30min；
Last withers: the tealeaves taking-up of the hot draft chamber being placed in withering trough and is withered, wherein is spread with a thickness of 15-
20cm, withering time 15-20min.
2. tea leaf withering method according to claim 1, which is characterized in that the hot wind wind speed of the hot draft chamber is 0.1-
0.2m/s。
3. tea leaf withering method according to claim 2, which is characterized in that the relative humidity of the hot draft chamber is 55-
60%.
4. tea leaf withering method according to claim 1-3, which is characterized in that the temperature of the sodium chloride solution
It is 35-40 degrees Celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811202227.9A CN109221472A (en) | 2018-10-16 | 2018-10-16 | A kind of tea leaf withering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811202227.9A CN109221472A (en) | 2018-10-16 | 2018-10-16 | A kind of tea leaf withering method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109221472A true CN109221472A (en) | 2019-01-18 |
Family
ID=65053462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811202227.9A Withdrawn CN109221472A (en) | 2018-10-16 | 2018-10-16 | A kind of tea leaf withering method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109221472A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115590082A (en) * | 2022-10-10 | 2023-01-13 | 邵阳市农业科学研究院（Cn） | Composite withering method, flower-fragrance diced osmanthus black tea and processing method thereof |
-
2018
- 2018-10-16 CN CN201811202227.9A patent/CN109221472A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115590082A (en) * | 2022-10-10 | 2023-01-13 | 邵阳市农业科学研究院（Cn） | Composite withering method, flower-fragrance diced osmanthus black tea and processing method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190118 |