CN105941675A - Processing method of Lingyun Baekho white tea - Google Patents
Processing method of Lingyun Baekho white tea Download PDFInfo
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- CN105941675A CN105941675A CN201610372634.9A CN201610372634A CN105941675A CN 105941675 A CN105941675 A CN 105941675A CN 201610372634 A CN201610372634 A CN 201610372634A CN 105941675 A CN105941675 A CN 105941675A
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- A23F3/06—Treating tea before extraction; Preparations produced thereby
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Abstract
The invention relates to the technical field of tea processing, in particular to a processing method of Lingyun Baekho white tea. The processing method mainly comprises the steps of selecting fresh tea leaves, withering for the first time, withering for the second time and drying, wherein in the first-time withering process, a mixed enzyme preparation which contains 0.2-0.8% cellulase, 0.1-0.6% hemicellulase and 0.1-0.4% pectinase by mass concentration is added, and ultrasonic treatment is then carried out; in the second-time withering process, 0.5-1.4% protease solution is added by mass concentration; all the withering processes are carried out in a withering room by means of air-blast under the condition of controlling temperature and humidity; finally, the tea is dried by slow fire so as to enable the water content of the tea to be lower than 5%. The making process of the Lingyun Baekho white tea prepared by the invention is normalized and controllable, the tea in different batches has little difference, and the prepared Lingyun Baekho white tea has the characteristics of being rapid in dissolution during brewing, good in tea soup color transparency and thicker in tea aroma.
Description
[technical field]
The present invention relates to Tea Processing technical field, the processing method being specifically related to a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds.
[background technology]
Ling Yaoxing, original name raw white tea, gain the name because its blade back covers with pekoe, the Cen that main product curls up in Lingyun County four seasons cloud and mist
Wang Laoshan, Qinglongshan one carry.Advantageous natural environment, makes that Ling Yaoxing is emerald green with color, milli is many, aromatic, taste is dense, resistance to
Bubble five big characteristics become the rising star in Chinese famous tea.High-quality in Ling Yaoxing tea tree breed system Guangxi District, the great Ye that suitable property processed is wide
Breeding.The sturdy many millis of this kind bud-leaf, at present, in Lingyun County cultivated area more than 100,000 mu.Ling Yaoxing tree fresh leaf phenol
/ ammonia is higher, to be processed into black tea and green tea research more, less for Ramulus et Folium Mussaendae Pubescentis working research, be unfavorable for the warp of Ling Yaoxing
Ji benefit exploitation.
Containing a large amount of insoluble proteins, lipid, polysaccharide, glucosides class and other nutrient substance in Folium Camelliae sinensis, in general flooding
Under the conditions of, these materials are surrounded due to the cell wall being main body by cellulose, hemicellulose, pectin etc., they diffusions and leaching
Going out hindered, the conversion ratio of work in-process is relatively low, it is impossible to make contributions tea leaf quality, and therefore to there is flavour light, fragrant for millet paste
The shortcomings such as gas is low.
Xylan is widely present in nature, be plant cell wall mainly comprise one of composition, its content is only second to cellulose,
Generally account for the 7%-35% of higher plant cell dry weight.Under native state, the xylan in plant cell is not self-existent,
In cell wall, it plays the effect of filler and binding agent, and it connects cellulose with non-covalent bond, with covalent bond connected wood quality,
Protection cellulosic structure globality, prevent the degraded of fiber in terms of there is important effect.Ferulic acid is tied at plant cell wall
Structure plays an important role, it can between the lignin of plant cell wall and lignin, between lignin and hemicellulose,
Form handing-over between hemicellulose and hemicellulose, thus constitute a framing structure so that whole cell wall becomes hard.
Ferulic acid plays an important role in plant cell wall construction, it can the lignin of plant cell wall and lignin it
Between, form handing-over between lignin and hemicellulose, between hemicellulose and hemicellulose, thus constitute a framing structure, make
Obtain whole cell wall and become hard.Utilize feruloyl esterase to carry out the ferulic acid ester bond in degrading plant cell wall, can obtain having medicinal
It is worth and the free ferulic acid of health care.Ferulic acid is present in the cell wall of plant in a large number, researcher use feruloyl esterase and
Use feruloyl esterase and other enzyme synergism from various crops,
Protein is the important composition composition of Folium Camelliae sinensis, accounts for the 21%-28% of dried bean curd material, and wherein only to account for albumen total for water soluble protein
The 3.57% of amount.Protein is not water-soluble substances, is mostly present in tealeaf residue during tea-making, it is impossible to obtain very well
Utilization.
In currently available technology, in the pekoe Ramulus et Folium Mussaendae Pubescentis course of processing of reaching the clouds, nature withers, daylight withers operation in most employings, or
Naturally wither, daylight withers and temperature control is withered and comprehensively used, but owing to Changes in weather has the biggest uncertainty, relies on weather
Carrying out withers, and to easily cause into differences between batches of sampling tea big, relies on weather and carries out early stage and wither, is unfavorable for that plant layout metaplasia is produced and standard
Change operation, be also unfavorable for commercially making pekoe Ramulus et Folium Mussaendae Pubescentis brand of reaching the clouds.Additionally, in the process utilizing the pekoe that reaches the clouds to make Ramulus et Folium Mussaendae Pubescentis
In, traditional mode of production processing is relatively easy, coarse, and along with the development of modern biotechnology, exogenous biological enzyme extracts processing at Folium Camelliae sinensis
Technology obtains applications well, but during the pekoe that reaches the clouds is fabricated to Ramulus et Folium Mussaendae Pubescentis, does not see corresponding report, cause made
The finished product Ramulus et Folium Mussaendae Pubescentis become has not good, millet paste and relatively mixes the features such as transparency is the best, tea fragrance is the highest, tea flavour is the lightest, and dissolution is slow,
Existing Ramulus et Folium Mussaendae Pubescentis processing of reaching the clouds cannot meet the demand that different consumers dialogue tea product is higher level.
[summary of the invention]
The goal of the invention of the present invention is: big for mass discrepancy between criticizing in the pekoe Ramulus et Folium Mussaendae Pubescentis course of processing of reaching the clouds, one-tenth is sampled tea when brewing
The problem that liquor color transparency is the best, taste is the lightest, fragrance is the highest, dissolution is slow, the present invention provides a kind of according to Ling Yaoxing leaf
Feature and the processing method that proposes a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds, Changes in weather, the standard that omnidistance employing technology is controlled can be ignored
Changing operation, process of withering adds enzyme and coordinates and wither, and the pekoe Ramulus et Folium Mussaendae Pubescentis manufacturing process that makes to reach the clouds can realize standardization, each batch of tea matter
Amount differences between batches are little, and when brewing, dissolution is faster, have that liquor color transparency is good, the fragrant richer feature of tea.
To achieve these goals, the technical solution used in the present invention is as follows:
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds, comprises the following steps:
A. pluck: pluck the fresh leaf of Ling Yaoxing of 1 bud 1-3 leaf；
B. wither for the first time: first fresh for Ling Yaoxing in step a leaf uniformly spread in withering trough, spread thickness with fresh leaf not
Overlap is as the criterion, more uniformly sprinkling mixing enzyme preparation is on tea fresh leaves, and described mixing enzyme preparation comprises mass concentration and is respectively
The cellulase of 0.2-0.8%, 0.1-0.6% hemicellulase and 0.1-0.4% pectase, place 10-30min after sprinkling；Then
Withering trough is placed under the ultrasound environments of 45-100KHZ, ultrasonic 5-20min, finally withering trough is moved into room of withering and carry out first
Secondary withering, room of withering controls temperature 26-34 DEG C, humidity 75-85%, and air blast promotes to wither, wind speed is the most very much not turned over tea fresh leaves sheet；
When the fresh leaf water content of Ling Yaoxing is 30-40%, end of withering for the first time；
C. second time is withered: at the end of first step b being withered for the first time, the Ling Yaoxing leaf in withering trough is carried out and groove, described
And groove be the Folium Camelliae sinensis in more than 1 withering trough to be incorporated to 1 withering trough continue to wither and after groove, Folium Camelliae sinensis thickness is not more than 2.5cm,
And sprinkling mass concentration is the liquid of protease of 0.5-1.4% during groove, sprays and after terminating, place 10-30min；Then will wither room
Control temperature to accelerate to wither in 50-60 DEG C, humidity 55-65%, continuation air blast；When Ling Yaoxing leaf water content is 10-15%,
Second time is withered end；
D. it is dried: the Ling Yaoxing leaf technique slow fire routinely terminated that second time in step c withered is dried, and is dried to reach the clouds white
Measuring Moisture Content of Tea content is less than 5% in the least, gets product.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds optimized, in step b, mixing enzyme preparation also includes that mass concentration is 0.08-0.6%
Xylanase and the feruloyl esterase of 0.08-0.6%.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds optimized further, mixing enzyme preparation described in step b adds volume and reaches the clouds
The ratio of pekoe tea fresh leaves cumulative volume is 1:12-18.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds further optimized, does not stir Ling Yaoxing during withering for the first time fresh
Leaf.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds further optimized, immediately sprays quality after spraying liquid of protease in step c
Concentration is alpha-galactosidase and the beta galactosidase of 0.05-0.5% of 0.05-0.5%.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds further optimized, protease described in step c, alpha-galactosidase and β-
It is 1:8-12 that tilactase adds the ratio of cumulative volume and Ling Yaoxing leaf cumulative volume.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds further optimized, plucks the Ling Yaoxing of 1 bud 1-2 leaf in step a
Fresh leaf.
A kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds being prepared as described above.
Part material effect is described below:
Cellulase: refer to β Isosorbide-5-Nitrae glucoside bond the general name of glucogenic enzyme in hydrocellulose, make fiber
Element becomes cellobiose and glucose, and it is not single enzyme, but plays synergistic one multi-component compound enzyme system.
Hemicellulase: the enzyme that a kind of polysaccharide (except cellulose and pectin substance) that can make composition plant cell membrane hydrolyzes,
Locust bean gum and ancient locust beam gum etc polysaccharide-Fructus Vitis viniferae sugar chain hydrolysis can be made to form dextrin.
Pectase: pectase is the general name of the class enzyme by different mechanisms depolymerized pectin pectic matrix, belongs to compound enzyme system.
Two big classes can be divided into: pectinesterase and hydrolyzed pectin depolymerase according to the difference of pectase model of action.
Xylanase: refer to the general name of one group of enzyme of degradation of hemicellulose xylan, including above-mentioned multiple restriction endonuclease and circumscribed
Enzyme.It can be the compound enzyme system of oligomeric xylose or xylose by xylan catalyzing hydrolysis.
Feruloyl esterase: the ferulic acid ester bond base between the main hydrolyzed hemicellulose of feruloyl esterase and between hemicellulose and lignin
Group, cuts off the crosslinking between polysaccharide and polysaccharide, polysaccharide and lignin and lignin, beneficially polysaccharide in cell wall in cell wall
Degraded and the release of lignin, structure becomes more loose than before processing.
Protease: be the single-minded enzyme of hydrolysising peptide key, can be classified as endopeptidase and exopeptidase two class.
Alpha-galactosidase: be a kind of exoglycosidase of catalysis alpha-galactoside key hydrolysis, because 6-(.alpha.-D-galactosido)-D-glucose. can be decomposed, also known as honey
Disaccharidase, it can be catalyzed the hydrolysis of alpha-galactoside key.
Beta galactosidase: be often simply called Lactose enzyme, can be decomposed into the glucose of a part and the galactose of a part by catalysing lactose.
Technical solution of the present invention effect is as follows:
1. the present invention uses the reasonably combined use of cellulase, hemicellulase, pectase, xylanase and feruloyl esterase,
Cellularity in the fresh leaf of Ling Yaoxing can be destroyed under conditions of extremely gentleness, improve the release of Folium Camelliae sinensis inclusions, promote other
Enzyme fully acts on inclusions, increases juice Middle nutrition material and the content of flavor substance；Can greatly reduce again in Folium Camelliae sinensis simultaneously
Portion's viscosity, improves drying efficiency.The effective ingredient such as Polyphenols in Folium Camelliae sinensis, aminoacid, caffeine, soluble sugar are originally by carefully
Cell wall wraps up, and has very great help the diffusion of effective ingredient in Folium Camelliae sinensis, leaching by destroying cell wall, and mixing enzyme preparation is made simultaneously
Become there is the material of sweet taste with by the ingredient breakdown that utilization rate is the lowest in Folium Camelliae sinensis originally, effectively improve pekoe Ramulus et Folium Mussaendae Pubescentis tradition of reaching the clouds
The bitter taste produced in the course of processing, improves tea quality.
Cellulase and hemicellulose mainly act on the cellulose in Folium Camelliae sinensis cell wall and hemicellulose, cell wall rises destruction and makees
With, the beneficially release of Folium Camelliae sinensis inclusions.
Pectase mainly acts on the pectin in Folium Camelliae sinensis cell wall, destroys pectin and the impalpable structure of hemicellulose composition, collaborative
Cellulase destroys Folium Camelliae sinensis cell wall further, contributes to oozing out and spreading of effective ingredient in Folium Camelliae sinensis；In addition pectase also can be prevented
Only tea cream is formed, and improves tea quality etc..
The Main Function of xylanase is the structure of the collaborative destruction raw cell with other polysaccharide hydrolases such as cellulase, promotes
The dissolution of the effective ingredient such as polysaccharide, protein, thus accelerate the effect of other enzymes, improve efficiency.
Feruloyl esterase carrys out the ferulic acid ester bond in degrading plant cell wall, permissible through the Ling Yaoxing leaf of ferulic acid ester ferment treatment
Ferulic acid is separated out from the structure middle reaches of plant cell wall, thus destroys the framing structure of cell wall so that lignin, half
Connection between cellulose and cellulose is partly broken, and structure becomes more loose than before processing.
2. cell wall is the firm parcel of main substance, under normal circumstances, the turnover of material by cellulose, hemicellulose, pectin etc.
Cell wall is all subject to the biggest obstruction, slowly, if mixing enzyme preparation is directly sprayed on pekoe Ramulus et Folium Mussaendae Pubescentis surface of reaching the clouds, is difficult to fully
Contact with cell wall, thus affect efficiency.By the ul-trasonic irradiation certain time of some strength, can promote well to promote
Mixing enzyme preparation enters into inside Folium Camelliae sinensis, more preferable and cell wall effect, thus preferably plays effect；On the other hand by super
Sound, can make the arrangement of closely coupled cell become loose, and beneficially enzyme preparation immerses；The most ultrasonic can also make on Folium Camelliae sinensis different
Thing such as earth etc. drops.By kneading, general processing method, promotes that enzyme fully acts on substrate specificity, make into like that and sample tea
Become curling, disability and not good, while enzyme can being made to play one's part to the full by ultrasonication keep tea profile good.
3. the pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds is after process of withering for the first time, and the network structure that tea plant cell wall is firm is broken, and adds
Protease, alpha-galactosidase can sufficiently contact with corresponding actor with beta galactosidase, improve enzyme functioning efficiency；
The glycosidase activity within Folium Camelliae sinensis, beneficially glycosidase water can also be promoted by adding alpha-galactosidase and beta galactosidase
Glucoside compound in Xie Xianye, makes flavonoid and terpenes glycocide part disintegrate down, this for the fragrance of tea, flavour,
Soup color is all highly advantageous；Rise high-temperature to accelerate to wither, reduce withering time.
Protease can decompose tea egg white matter and produce aminoacid, is possible not only to improve the taste and aroma of tea beverage, and " cold to tea
The most muddy " elimination also have certain effect.
Alpha-galactosidase can make α-galactose divide from its carbon chain backbone with the poly-mannan in gala Portugal of hydrolyzed hemicellulose class
From getting off.
Beta galactosidase can be degraded and be contained the cell wall polysaccharides of galactoside, the galactose that release is free.
4. the present invention is according to Ling Yaoxing process to be experienced from leaf picking to end product, by withering, by several times by several times
Control temperature, humidity and ventilation situation, add different cultivars, the enzyme preparation of variable concentrations by several times, wither for the first time main addition
The enzyme preparation of plant cell wall can be destroyed, first firm cell wall structure is destroyed, add such as the enzyme preparations such as protease and phase
Answer composition effect, can avoid adding enzyme preparation inactivation too for a long time.
5. be equivalent to reach the clouds at present pekoe Ramulus et Folium Mussaendae Pubescentis uses naturally wither, daylight withers, the present invention comes back to finally become from harvesting
Product, all use the normalizing operation that technology is controlled, it is to avoid because of when plucking Changes in weather and make the most different situation of quality of finished produce,
Be conducive to scale processing and make fine work quality.Higher owing to just plucking the fresh leaf water content of Ling Yaoxing returned, this
Bright by repeatedly trying out, the final method using gradation to wither, heat by several times, the final product of the pekoe Ramulus et Folium Mussaendae Pubescentis that more preferably reaches the clouds can be obtained
Matter.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
The processing method that the present invention proposes a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds according to the feature of Ling Yaoxing leaf, by withering by several times,
Adding by several times different enzyme, by several times regulation to wither the humiture of room and wind speed, withering for the first time, process does not stir Folium Camelliae sinensis, uses skill
The normalizing operation that art is controlled, each batch of tea quality differences between batches are little, end product Folium Camelliae sinensis have liquor color become transparency higher,
Brighter, the fragrant richer feature of tea.
[detailed description of the invention]
Below in conjunction with embodiment, the invention will be further described.
One, preparation embodiment
Embodiment 1
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds, comprises the following steps:
A. pluck: pluck the fresh leaf of Ling Yaoxing of 1 bud 1 leaf；
B. wither for the first time: first fresh for Ling Yaoxing in step a leaf uniformly spread in withering trough, spread thickness with fresh leaf not
Overlap is as the criterion, more uniformly sprinkling mixing enzyme preparation is on tea fresh leaves, and described mixing enzyme preparation includes that mass concentration is respectively 0.2%
Cellulase, 0.1% hemicellulase and 0.1% pectase, mixing enzyme preparation: Ling Yaoxing fresh leaf volume ratio is 1:12,
30min is placed after sprinkling；Then withering trough is placed under the ultrasound environments of 45KHZ, ultrasonic 20min, finally withering trough is moved into
Room of withering carries out withering for the first time, and room of withering controls temperature 34 DEG C, humidity 75%, and air blast promotes to wither, wind speed is the most very much not turned over
Tea fresh leaves sheet；When the fresh leaf water content of Ling Yaoxing is 30%, end of withering for the first time, do not stir during withering for the first time
The fresh leaf of Ling Yaoxing；
C. second time is withered: at the end of first step b being withered for the first time, the Ling Yaoxing leaf in withering trough is carried out and groove, described
And groove be the Folium Camelliae sinensis in more than 1 withering trough to be incorporated to 1 withering trough continue to wither and after groove, Folium Camelliae sinensis thickness is not more than 2.5cm,
And sprinkling mass concentration is the liquid of protease of 0.5% during groove, liquid of protease: Ling Yaoxing leaf volume is 1:8, sprays knot
10min is placed after bundle；Then room control temperature of withering, 60 DEG C, humidity 55%, continues air blast and accelerates to wither；White when reaching the clouds
When water content of tea is 10% in the least, end of withering for the second time；
D. it is dried: the Ling Yaoxing leaf technique slow fire routinely terminated that second time in step c withered is dried, and is dried to reach the clouds white
Measuring Moisture Content of Tea content is less than 5% in the least, and get product the pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds.
Embodiment 2
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds, comprises the following steps:
A. pluck: pluck the fresh leaf of Ling Yaoxing of 1 bud 2 leaf；
B. wither for the first time: first fresh for Ling Yaoxing in step a leaf uniformly spread in withering trough, spread thickness with fresh leaf not
Overlap is as the criterion, more uniformly sprinkling mixing enzyme preparation is on tea fresh leaves, and described mixing enzyme preparation includes that mass concentration is respectively 0.5%
Cellulase, 0.4% hemicellulase and 0.2% pectase, mixing enzyme preparation: Ling Yaoxing fresh leaf volume ratio is 1:14,
20min is placed after sprinkling；Then withering trough is placed under the ultrasound environments of 70KHZ, ultrasonic 15min, finally withering trough is moved into
Room of withering carries out withering for the first time, and room of withering controls temperature 31 DEG C, humidity 80%, and air blast promotes to wither, wind speed is the most very much not turned over
Tea fresh leaves sheet；When the fresh leaf water content of Ling Yaoxing is 35%, end of withering for the first time, do not stir during withering for the first time
The fresh leaf of Ling Yaoxing；
C. second time is withered: at the end of first step b being withered for the first time, the Ling Yaoxing leaf in withering trough is carried out and groove, described
And groove be the Folium Camelliae sinensis in more than 1 withering trough to be incorporated to 1 withering trough continue to wither and after groove, Folium Camelliae sinensis thickness is not more than 2.5cm,
And sprinkling mass concentration is the liquid of protease of 0.8% during groove, liquid of protease: Ling Yaoxing leaf volume is 1:11, sprays
20min is placed after end；Then room control temperature of withering, 55 DEG C, humidity 60%, continues air blast and accelerates to wither；When reaching the clouds
When pekoe tea leaf water content is 12%, end of withering for the second time；
D. it is dried: the Ling Yaoxing leaf technique slow fire routinely terminated that second time in step c withered is dried, and is dried to reach the clouds white
Measuring Moisture Content of Tea content is less than 5% in the least, and get product the pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds.
Embodiment 3
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds, comprises the following steps:
A. pluck: pluck the fresh leaf of Ling Yaoxing of 1 bud 3 leaf；
B. wither for the first time: first fresh for Ling Yaoxing in step a leaf uniformly spread in withering trough, spread thickness with fresh leaf not
Overlap is as the criterion, more uniformly sprinkling mixing enzyme preparation is on tea fresh leaves, and described mixing enzyme preparation includes that mass concentration is respectively 0.8%
Cellulase, 0.6% hemicellulase and 0.4% pectase, mixing enzyme preparation: Ling Yaoxing fresh leaf volume ratio is 1:18,
10min is placed after sprinkling；Then withering trough is placed under the ultrasound environments of 100KHZ, ultrasonic 5min, finally withering trough is moved into
Room of withering carries out withering for the first time, and room of withering controls temperature 26 DEG C, humidity 85%, and air blast promotes to wither, wind speed is the most very much not turned over
Tea fresh leaves sheet；When the fresh leaf water content of Ling Yaoxing is 40%, end of withering for the first time, do not stir during withering for the first time
The fresh leaf of Ling Yaoxing；
C. second time is withered: at the end of first step b being withered for the first time, the Ling Yaoxing leaf in withering trough is carried out and groove, described
And groove be the Folium Camelliae sinensis in more than 1 withering trough to be incorporated to 1 withering trough continue to wither and after groove, Folium Camelliae sinensis thickness is not more than 2.5cm,
And sprinkling mass concentration is the liquid of protease of 1.4% during groove, liquid of protease: Ling Yaoxing leaf volume is 1:8, sprays knot
30min is placed after bundle；Then room control temperature of withering, 50 DEG C, humidity 65%, continues air blast and accelerates to wither；White when reaching the clouds
When water content of tea is 15% in the least, end of withering for the second time；
D. it is dried: the Ling Yaoxing leaf technique slow fire routinely terminated that second time in step c withered is dried, and is dried to reach the clouds white
Measuring Moisture Content of Tea content is less than 5% in the least, and get product the pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds.
Embodiment 4
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds, comprises the following steps:
A. pluck: pluck the fresh leaf of Ling Yaoxing of 1 bud 2 leaf；
B. wither for the first time: first fresh for Ling Yaoxing in step a leaf uniformly spread in withering trough, spread thickness with fresh leaf not
Overlap is as the criterion, more uniformly sprinkling mixing enzyme preparation is on tea fresh leaves, and described mixing enzyme preparation includes that mass concentration is respectively 0.5%
Cellulase, 0.4% hemicellulase, 0.2% pectase, 0.08% xylanase and 0.08% feruloyl esterase, mixed enzyme system
Agent: Ling Yaoxing fresh leaf volume ratio is 1:14, places 20min after sprinkling；Then withering trough is placed in the ultrasonic ring of 70KHZ
Under border, ultrasonic 15min, finally withering trough is moved into room of withering and carries out withering for the first time, room of withering controls temperature 31 DEG C, humidity
80%, air blast promotion is withered, wind speed is the most very much not turned over tea fresh leaves sheet；When the fresh leaf water content of Ling Yaoxing is 35%, for the first time
Wither end, during withering for the first time, do not stir the fresh leaf of Ling Yaoxing；
C. second time is withered: at the end of first step b being withered for the first time, the Ling Yaoxing leaf in withering trough is carried out and groove, described
And groove be the Folium Camelliae sinensis in more than 1 withering trough to be incorporated to 1 withering trough continue to wither and after groove, Folium Camelliae sinensis thickness is not more than 2.5cm,
And sprinkling mass concentration is the liquid of protease of 0.8%, the alpha-galactosidase of 0.05% and the beta galactose of 0.05% during groove
Glycosides enzyme, protease, alpha-galactosidase and beta galactosidase cumulative volume: Ling Yaoxing leaf volume is 1:11, spray
20min is placed after end；Then room control temperature of withering, 55 DEG C, humidity 60%, continues air blast and accelerates to wither；When reaching the clouds
When pekoe tea leaf water content is 12%, end of withering for the second time；
D. it is dried: the Ling Yaoxing leaf technique slow fire routinely terminated that second time in step c withered is dried, and is dried to reach the clouds white
Measuring Moisture Content of Tea content is less than 5% in the least, and get product the pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds.
Embodiment 5
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds, comprises the following steps:
A. pluck: pluck the fresh leaf of Ling Yaoxing of 1 bud 2 leaf；
B. wither for the first time: first fresh for Ling Yaoxing in step a leaf uniformly spread in withering trough, spread thickness with fresh leaf not
Overlap is as the criterion, more uniformly sprinkling mixing enzyme preparation is on tea fresh leaves, and described mixing enzyme preparation includes that mass concentration is respectively 0.5%
Cellulase, 0.4% hemicellulase, 0.2% pectase, 0.6% xylanase and 0.6% feruloyl esterase, mixing enzyme preparation:
Ling Yaoxing fresh leaf volume ratio is 1:14, places 20min after sprinkling；Then withering trough is placed under the ultrasound environments of 70KHZ,
Ultrasonic 15min, finally moves into withering trough room of withering and carries out withering for the first time, and room of withering controls temperature 31 DEG C, humidity 80%,
Air blast promotion is withered, wind speed is the most very much not turned over tea fresh leaves sheet；When the fresh leaf water content of Ling Yaoxing is 35%, wither for the first time
Terminate, during withering for the first time, do not stir the fresh leaf of Ling Yaoxing；
C. second time is withered: at the end of first step b being withered for the first time, the Ling Yaoxing leaf in withering trough is carried out and groove, described
And groove be the Folium Camelliae sinensis in more than 1 withering trough to be incorporated to 1 withering trough continue to wither and after groove, Folium Camelliae sinensis thickness is not more than 2.5cm,
And during groove, spray the beta galactose glycosides that mass concentration is the liquid of protease of 0.8%, the alpha-galactosidase of 0.5% and 0.5%
Enzyme, protease, alpha-galactosidase and beta galactosidase cumulative volume: Ling Yaoxing leaf volume is 1:11, spray knot
20min is placed after bundle；Then room control temperature of withering, 55 DEG C, humidity 60%, continues air blast and accelerates to wither；White when reaching the clouds
When water content of tea is 12% in the least, end of withering for the second time；
D. it is dried: the Ling Yaoxing leaf technique slow fire routinely terminated that second time in step c withered is dried, and is dried to reach the clouds white
Measuring Moisture Content of Tea content is less than 5% in the least, and get product the pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds.
Embodiment 6
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds, comprises the following steps:
A. pluck: pluck the fresh leaf of Ling Yaoxing of 1 bud 2 leaf；
B. wither for the first time: first fresh for Ling Yaoxing in step a leaf uniformly spread in withering trough, spread thickness with fresh leaf not
Overlap is as the criterion, more uniformly sprinkling mixing enzyme preparation is on tea fresh leaves, and described mixing enzyme preparation includes that mass concentration is respectively 0.5%
Cellulase, 0.4% hemicellulase, 0.2% pectase, 0.3% xylanase and 0.25% feruloyl esterase, mixed enzyme system
Agent: Ling Yaoxing fresh leaf volume ratio is 1:14, places 20min after sprinkling；Then withering trough is placed in the ultrasonic ring of 70KHZ
Under border, ultrasonic 15min, finally withering trough is moved into room of withering and carries out withering for the first time, room of withering controls temperature 31 DEG C, humidity
80%, air blast promotion is withered, wind speed is the most very much not turned over tea fresh leaves sheet；When the fresh leaf water content of Ling Yaoxing is 35%, for the first time
Wither end, during withering for the first time, do not stir the fresh leaf of Ling Yaoxing；
C. second time is withered: at the end of first step b being withered for the first time, the Ling Yaoxing leaf in withering trough is carried out and groove, described
And groove be the Folium Camelliae sinensis in more than 1 withering trough to be incorporated to 1 withering trough continue to wither and after groove, Folium Camelliae sinensis thickness is not more than 2.5cm,
And sprinkling mass concentration is the liquid of protease of 0.8%, the alpha-galactosidase of 0.25% and the beta galactose of 0.25% during groove
Glycosides enzyme, protease, alpha-galactosidase and beta galactosidase cumulative volume: Ling Yaoxing leaf volume is 1:11, spray
20min is placed after end；Then room control temperature of withering, 55 DEG C, humidity 60%, continues air blast and accelerates to wither；When reaching the clouds
When pekoe tea leaf water content is 12%, end of withering for the second time；
D. it is dried: the Ling Yaoxing leaf technique slow fire routinely terminated that second time in step c withered is dried, and is dried to reach the clouds white
Measuring Moisture Content of Tea content is less than 5% in the least, and get product the pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds.
Comparative example
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds, comprises the following steps:
A. pluck: pluck the fresh leaf of Ling Yaoxing of 1 bud 2 leaf；
The most naturally wither: first fresh for Ling Yaoxing in step a leaf uniformly spread in withering trough, spread thickness and do not weigh with fresh leaf
It is stacked as standard, when the fresh leaf water content of Ling Yaoxing is 35%, end of naturally withering, do not stir during withering for the first time and reach the clouds
Pekoe tea fresh leaves；
C. temperature control withers: at the end of first step b being withered for the first time, the Ling Yaoxing leaf in withering trough is carried out and groove, described
And groove is the Folium Camelliae sinensis in more than 1 withering trough to be incorporated to 1 withering trough continue to wither and after groove, Folium Camelliae sinensis thickness is not more than 2.5cm,
Then room control temperature of withering, 55 DEG C, humidity 60%, continues air blast and accelerates to wither；When Ling Yaoxing leaf water content is 12%
Time, temperature control withers end；
D. it is dried: the Ling Yaoxing leaf technique slow fire routinely terminated that second time in step c withered is dried, and is dried to reach the clouds white
Measuring Moisture Content of Tea content is less than 5% in the least, and get product the pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds.
Two, sensory evaluation
1. evaluation criterion: total score 100 points, it is specifically distributed as the following evaluation index.
Ocular estimate (25 points): comment outward appearance based on profile tenderness, color and luster, combining form.Profile is with whole shoot, somewhat
Unfolding, leaf margin hangs down to blade back and rolls up, and there is protuberance ripple on blade face, and blade tip upwarps and do not crushes, even positive being preferred.Colour appraisal pool is with milli lobus cardiacus
Back of the body silvery white appears, and blade face is grayish green, and i.e. silver bud greenery, are preferred at the bottom of green pallor.
Fragrance (15 points): the people Wen Cheng that samples tea samples tea, experiences its tea fragrant, according to impression scoring.
Liquor color (20 points): soak embodiment 1-6 and comparative example's Folium Camelliae sinensis of equivalent weight with unified temperature boiled water respectively,
See its soup color in unified tea set the people that samples tea, and mark.
Mouthfeel (40 points): the tea that the people that samples tea tastes embodiment 1-6 respectively and comparative example brews out, according to personal feeling
Experience scoring.
2. taste people to select: the personnel 30 that random selection hobby is had tea are carried out, and calculate average mark.
Compared with becoming to sample tea by embodiment 1-6 and comparative example, sensory evaluation such as following table:
As can be seen from the above data, embodiment 6 is generally compared approval, highest scoring by the people that samples tea, and tastes people and implements contrast
Example likes degree minimum, and embodiment 4-6 score is higher than embodiment 1-3.
Described above is the detailed description for the preferable possible embodiments of the present invention, but embodiment is not limited to the special of the present invention
Profit application range, the equal change completed under the technical spirit suggested by all present invention or modification change, the present invention all should be belonged to
Contained the scope of the claims.
Claims (8)
1. the processing method of the pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds, it is characterised in that comprise the following steps:
A. pluck: pluck the fresh leaf of Ling Yaoxing of 1 bud 1-2 leaf；
B. wither for the first time: first fresh for Ling Yaoxing in step a leaf uniformly spread in withering trough, spread thickness with fresh leaf not
Overlap is as the criterion, more uniformly sprinkling mixing enzyme preparation is on tea fresh leaves, and described mixing enzyme preparation comprises mass concentration and is respectively
The cellulase of 0.2-0.8%, 0.1-0.6% hemicellulase and 0.1-0.4% pectase, place 10-30min after sprinkling；Then
Withering trough is placed under the ultrasound environments of 45-100KHZ, ultrasonic 5-20min, finally withering trough is moved into room of withering and carry out first
Secondary withering, room of withering controls temperature 26-34 DEG C, humidity 75-85%, and air blast promotes to wither, wind speed is the most very much not turned over tea fresh leaves sheet；
When the fresh leaf water content of Ling Yaoxing is 30-40%, end of withering for the first time；
C. second time is withered: at the end of first step b being withered for the first time, the Ling Yaoxing leaf in withering trough is carried out and groove, described
And groove be the Folium Camelliae sinensis in more than 1 withering trough to be incorporated to 1 withering trough continue to wither and after groove, Folium Camelliae sinensis thickness is not more than 2.5cm,
And sprinkling mass concentration is the liquid of protease of 0.5-1.4% during groove, sprays and after terminating, place 10-30min；Then will wither room
Control temperature to accelerate to wither in 50-60 DEG C, humidity 55-65%, continuation air blast；When Ling Yaoxing leaf water content is 10-15%,
Second time is withered end；
D. it is dried: the Ling Yaoxing leaf technique slow fire routinely terminated that second time in step c withered is dried, and is dried to reach the clouds white
Measuring Moisture Content of Tea content is less than 5% in the least, gets product.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds the most according to claim 1, it is characterised in that mixed enzyme in step b
Preparation also includes xylanase and the feruloyl esterase of 0.08-0.6% that mass concentration is 0.08-0.6%.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds the most according to claim 1 and 2, it is characterised in that institute in step b
The ratio stating mixing enzyme preparation addition volume and Ling Yaoxing fresh leaf cumulative volume is 1:12-18.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds the most according to claim 1 and 2, it is characterised in that wither for the first time
During do not stir the fresh leaf of Ling Yaoxing.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds the most according to claim 1, it is characterised in that spray egg in step c
Spray, after white enzyme liquid, the alpha-galactosidase and the beta galactosidase of 0.05-0.5% that mass concentration is 0.05-0.5% immediately.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds the most according to claim 5, it is characterised in that egg described in step c
It is 1:8-12 that white enzyme, alpha-galactosidase and beta galactosidase add the ratio of cumulative volume and Ling Yaoxing leaf cumulative volume.
The processing method of a kind of pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds the most according to claim 1, it is characterised in that pluck 1 in step a
The fresh leaf of Ling Yaoxing of bud 1-2 leaf.
8. the pekoe Ramulus et Folium Mussaendae Pubescentis that reaches the clouds according to claim 1,2,5,6 or 7 preparation.
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| CN108419851A (en) * | 2018-03-05 | 2018-08-21 | 广州广福心道茶业有限公司 | A kind of white tea withering technology |
| CN108576285A (en) * | 2018-06-25 | 2018-09-28 | 思南梵众白茶开发经营有限公司 | A kind of processing method of white tea |
| CN109170002A (en) * | 2018-11-19 | 2019-01-11 | 福建省农业科学院茶叶研究所 | A kind of tealeaves and preparation method thereof of the smooth tool soymilk flavor of mouthfeel |
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