CN112450292A - Processing technology of rose Zijuan black tea - Google Patents

Processing technology of rose Zijuan black tea Download PDF

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Publication number
CN112450292A
CN112450292A CN202011423658.5A CN202011423658A CN112450292A CN 112450292 A CN112450292 A CN 112450292A CN 202011423658 A CN202011423658 A CN 202011423658A CN 112450292 A CN112450292 A CN 112450292A
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tea
rose
zijuan
shaking
thick
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杨家干
饶国红
黎庆强
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Guizhou Yaxin Tea Industry Co ltd
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Guizhou Yaxin Tea Industry Co ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00Tea; Tea substitutes; Preparations thereof
    • A23F3/06Treating tea before extraction; Preparations produced thereby
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00Tea; Tea substitutes; Preparations thereof
    • A23F3/06Treating tea before extraction; Preparations produced thereby
    • A23F3/08Oxidation; Fermentation
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00Tea; Tea substitutes; Preparations thereof
    • A23F3/06Treating tea before extraction; Preparations produced thereby
    • A23F3/12Rolling or shredding tea leaves
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00Tea; Tea substitutes; Preparations thereof
    • A23F3/40Tea flavour; Tea oil; Flavouring of tea or tea extract
    • A23F3/405Flavouring with flavours other than natural tea flavour or tea oil

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Abstract

The invention belongs to the technical field of tea processing, and particularly relates to a processing technology of rose Zijuan black tea, which solves the problems of bitter and astringent Zijuan tea in the prior art, large theaflavin loss and insufficient fragrance, and the rose Zijuan black tea comprises the following raw materials: zijuan tea green and rose petal; the production process of the rose juan black tea comprises the following steps: s1, picking; s2, shaking green; s3, twisting; s4, fermenting; s5, drying; s6, cellar processing; s7, flowering; s8, re-cellar; s9, sieving; in the step S2, the rotation speed of the light shaking of the green shaking machine is 5-7 r/min, and the rotation speed of the heavy shaking of the green shaking machine is 8-10 r/min. The rose Zijuan black tea prepared by the invention has red, bright and oily soup color, is transparent like amber, is hung on the wall of a cup by a golden ring, has the advantages of full rose fragrance, elegance and strong flavor, and has the effects of moistening, smoothing, fragrant and sweet taste, promoting the production of body fluid, keeping the softness and sensitivity lasting, softening the liver, invigorating the stomach, soothing the qi, promoting the blood circulation, beautifying, reducing the blood pressure and the like.

Description

Processing technology of rose Zijuan black tea
Technical Field
The invention relates to the technical field of tea processing, in particular to a processing technology of rose Zijuan black tea.
Background
In 1985, scientific and technological personnel of the Yunnan tea science research institute found that a tea plant with purple buds, leaves and stems in more than 60 tens of thousands of Yunnan large-leaf tea plants in more than 200 mu of the tea garden, and the green tea is processed by fresh leaves, the green tea has purple cyanine, purple liquor color, pure fragrance and strong taste, and is specially named as: zijuan tea.
When the rose is used as an economic crop, the flowers of the rose are mainly used for food and essence rose oil extraction, and the rose oil is applied to industries such as cosmetics, food, fine chemical engineering and the like. Text of materia medica (text of materia medica) Zhongdao: "Rose flower, clear but not turbid, and not fierce, liver softening and stomach awaking, qi-flowing and blood circulation promoting, and dredging and suffocating without the disadvantage of pungent, warm and hard dryness, among the qi-pushing-off and medicine-dividing, it is most quick and most tame, fragrant, so there is no way to match. The rose contains more than 300 chemical components, such as aromatic alcohol, aldehyde, fatty acid, phenol and oil and fat containing essence, and the rose product is usually eaten to soften liver and wake stomach, relax qi and activate blood, maintain beauty and keep young and refresh people. The flowers and roots of the rose can be used as medicine, has the functions of regulating qi, promoting blood circulation, astringing and the like, and is mainly used for treating irregular menstruation, traumatic injury, liver qi and stomach pain, breast swelling and pain and other symptoms.
The flos Rosae Rugosae contains multiple microelements and high vitamin C content, and can be made into various tea-drops, such as rose sugar, rose cake, rose tea, rose wine, rose pickles, rose paste, etc. The rose can be directly eaten in some European areas, the roots of the rose can be boiled to eat, and the roots of the rose can be used for brewing wine.
The Zijuan tea has higher trace elements than other teas in terms of drinking, and especially has the most remarkable anthocyanin and flavonoid substances, but the Zijuan tea prepared by adopting the traditional process with the Zijuan as the raw material has heavier astringency, poor taste, large theaflavin loss amount, insufficient fragrance and quick loss, while the black tea prepared by rose scenting belongs to smaller tea varieties at present, the number of production enterprises is small, and the processing amount and the marketing amount are small.
Based on the statement, the invention provides a processing technology of the rose Zijuan black tea.
Disclosure of Invention
The invention aims to solve the problems of bitter and astringent taste of Zijuan black tea, large theaflavin loss and insufficient fragrance in the prior art, and provides a processing technology of rose Zijuan black tea.
The rose Zijuan black tea comprises the following raw materials: zijuan tea green and rose petal.
The production process comprises the following steps:
s1, picking: picking fresh Zijuan tea green with one bud and two leaves in spring for 4-5 months, picking rose, selecting fresh petals, selecting 'first water flower' from late 4 months to late 5 months, wherein the standard is fully expanded but unopened flower bud, which has thick flesh, strong fragrance, high oil content and best quality. The water is firstly dried and then sequentially arranged in a wood frame drying sieve with a wire netting bottom, and the petals are uniformly downward or upward.
S2, shaking green: slightly shaking fresh Zijuan tea leaves for 10 min by a shaking machine, standing for cooling for 2-3 min to allow water content of Zijuan tea leaves to be 2-3%, heavily shaking Zijuan tea leaves for 20-30 min by the shaking machine, standing for cooling for 5-6 min again to allow the Zijuan black tea to be withered to water content of 55-60%;
s3, twisting: rolling the green Zijuan tea leaves subjected to green shaking in the step S2 with a rolling device for 80-90 min to make 100% of the Zijuan tea leaves into strips, so that the cell damage rate in the tea leaves reaches above 75-80%, and the permeability of the Zijuan tea leaves is increased to avoid dead tea;
s4, fermentation: feeding the rolled Zijuan tea leaves obtained in step S3 into a fermentation chamber, fermenting at 25-30 deg.C with relative humidity of 80-85% for 2-3 hr, spreading the tea leaves to 3-4 cm, and fermenting for 30-90 min until the green grass smell of the tea leaves is removed to give out faint scent;
s5, drying: spreading the tea leaves fermented in the step S4 on a tray, putting the tray into a drying oven for low-temperature slow drying at the drying temperature of 55-65 ℃, and drying the tea leaves until the moisture content is lower than 5-8% to obtain tea embryos for later use;
s6, cellar preparation: mixing flos Rosae Rugosae and tea embryo in such manner that one layer of flos Rosae Rugosae and one layer of tea embryo are stacked, each layer of flos Rosae Rugosae is 2-3 cm thick, 5 layers of tea embryo are stacked, each layer of tea embryo is 3-4 cm thick, 4 layers of tea embryo are stacked, and the mixture is cellated in a cellaring box with the temperature of 27-35 ℃ and the humidity of 80-85% for 12-15 hours;
s7, flowering: drying the mixture of the rose petals and the tea embryo which are cellared in the step S6 at 55-65 ℃ to obtain primary cellared rose Zijuan black tea;
s8, re-cellar: repeating the step S6 to perform cellar recovery, piling the first cellar-prepared red tea to 8-12 cm thick, and drying at 70-80 deg.C until the water content of the cellar-prepared red tea is lower than 5% to obtain second cellar-prepared red tea;
s9, sieving: and screening out rose petals by using a mesh screen to obtain the rose Zijuan black tea.
Preferably, in the step S2 of shaking, the temperature in the shaking machine is controlled to be 22-25 ℃ and the relative humidity is 80-85%.
Preferably, the rotation speed of the light shaking of the green shaking machine in the step S2 is 5-7 r/min, and the rotation speed of the heavy shaking of the green shaking machine is 8-10 r/min.
Preferably, in the step 6, each layer of rose petals is 2 cm thick, 5 layers of rose petals are laid, each layer of tea germs is 3 cm thick, 4 layers of tea germs are laid, and in the step S8, the cellar-made rose Zijuan black tea is piled up to 8 cm thick.
Preferably, in the step 6, each layer of rose petals is 3 cm thick, 5 layers of rose petals are laid, each layer of tea germs is 4 cm thick, 4 layers of tea germs are laid, and in the step S8, the cellar-made rose Zijuan black tea is piled up to 12 cm thick.
Preferably, in the step 6, each layer of rose petals is 3 cm thick, 5 layers of rose petals are laid, each layer of tea germs is 3 cm thick, 4 layers of tea germs are laid, and in the step S8, the cellar-made rose Zijuan black tea is piled up to 10 cm thick.
Compared with the prior art, the invention has the beneficial effects that:
1. the rose purple black tea provided by the invention has red, bright and oily soup color, is picked as amber, is hung on the cup wall in a golden ring manner, has the advantages of highlighted rose fragrance, elegance and rich flavor, is moist, smooth, fragrant and sweet, has lasting body fluid production and is accompanied with the rose fragrance, and is deeply loved by women;
2. the rose Zijuan black tea provided by the invention organically combines the nutrients of rose and Zijuan black tea, so that the rose Zijuan black tea not only has the rose fragrance, but also has various effects of softening liver, invigorating stomach, soothing qi, activating blood circulation, maintaining beauty, keeping young, reducing blood pressure and the like, and is beneficial to preventing cancers, cardiovascular diseases, neurological diseases and circulatory systems;
3. the production process of the rose Zijuan black tea provided by the invention is simple, the green grass flavor of the Zijuan black tea is removed through tea fermentation, the faint scent of the Zijuan black tea is excited, the generation of theaflavin is facilitated, the theaflavin content of the tea is improved, and the tea is shaken slightly and heavily to improve the cell damage rate of the tea, so that the permeability of the tea is improved, and the fusion of the tea and rose juice is facilitated;
4. the production process of the rose Zijuan black tea provided by the invention has the advantages that the bud-cultivating force of the adopted Zijuan black tea is strong, the tenderness is strong, the survival rate of cutting propagation and transplanting is high, the raw material source is rich, rose petals are removed, impurities are reduced, the tea color is clear and transparent, no impurities exist, the production process is simple, the repeatability is high, and the integral production cost is reduced.
Drawings
FIG. 1 is a flow chart of the production process of the rose Zijuan black tea.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
FIG. 1 is a flow chart of the production process of the rose Zijuan black tea. The invention provides rose Zijuan black tea which comprises the following raw materials: zijuan tea green and rose petal.
The production process comprises the following steps:
s1, picking: picking fresh Zijuan tea green with one bud and two leaves in spring for 4-5 months, picking rose, selecting fresh petals, selecting 'first water flower' from late 4 months to late 5 months, wherein the standard is fully expanded but unopened flower bud, which has thick flesh, strong fragrance, high oil content and best quality. The water is firstly dried and then sequentially arranged in a wood frame drying sieve with a wire netting bottom, and the petals are uniformly downward or upward.
S2, shaking green: slightly shaking fresh Zijuan tea leaves for 10 min by a shaking machine, standing for cooling for 2-3 min to allow water content of Zijuan tea leaves to be 2-3%, heavily shaking Zijuan tea leaves for 20-30 min by the shaking machine, standing for cooling for 5-6 min again to allow the Zijuan black tea to be withered to water content of 55-60%;
s3, twisting: rolling the green Zijuan tea leaves subjected to green shaking in the step S2 with a rolling device for 80-90 min to make 100% of the Zijuan tea leaves into strips, so that the cell damage rate in the tea leaves reaches above 75-80%, and the permeability of the Zijuan tea leaves is increased to avoid dead tea;
s4, fermentation: feeding the rolled Zijuan tea leaves obtained in step S3 into a fermentation chamber, fermenting at 25-30 deg.C with relative humidity of 80-85% for 2-3 hr, spreading the tea leaves to 3-4 cm, and fermenting for 30-90 min until the green grass smell of the tea leaves is removed to give out faint scent;
s5, drying: spreading the tea leaves fermented in the step S4 on a tray, putting the tray into a drying oven for low-temperature slow drying at the drying temperature of 55-65 ℃, and drying the tea leaves until the moisture content is lower than 5-8% to obtain tea embryos for later use;
s6, cellar preparation: mixing flos Rosae Rugosae and tea embryo in such manner that one layer of flos Rosae Rugosae and one layer of tea embryo are stacked, each layer of flos Rosae Rugosae is 2 cm thick, 5 layers of flos Rosae Rugosae and tea embryo are stacked, each layer of tea embryo is 3 cm thick, 4 layers of tea embryo are stacked, and the mixture is cellated for 12-15 hours in a cellating box with the temperature of 27-35 ℃ and the humidity of 80-85%;
s7, flowering: drying the mixture of the rose petals and the tea embryo which are cellared in the step S6 at 55-65 ℃ to obtain primary cellared rose Zijuan black tea;
s8, re-cellar: repeating the step S6 to perform cellar recovery, piling the first cellar-made rose Zijuan black tea to 8 cm thick, forming, and oven drying at 70-80 deg.C until the water content of the cellar-made rose Zijuan black tea is lower than 5% to obtain second cellar-made rose Zijuan black tea;
s9, sieving: and screening out rose petals by using a mesh screen to obtain the rose Zijuan black tea.
In the invention, in the step S2 of shaking, the temperature in the shaking machine is controlled to be 22-25 ℃, the relative humidity is 80-85%, the rotation speed of the shaking machine in the step S2 of shaking is 5-7 r/min, and the rotation speed of the shaking machine in the step S2 of shaking is 8-10 r/min.
Example two
The invention provides rose Zijuan black tea which comprises the following raw materials: zijuan tea green and rose petal.
The production process comprises the following steps:
s1, picking: picking fresh Zijuan tea green with one bud and two leaves in spring for 4-5 months, picking rose, selecting fresh petals, selecting 'first water flower' from the last ten days of 4 months to the last ten days of 5 months, wherein the standard is fully expanded but unopened flower buds with thick flesh, strong fragrance, high oil content and best quality, drying to remove water, and sequentially arranging in a wood frame drying sieve with a wire net bottom, wherein the petals are uniformly downward or upward.
S2, shaking green: slightly shaking fresh Zijuan tea leaves for 10 min by a shaking machine, standing for cooling for 2-3 min to allow water content of Zijuan tea leaves to be 2-3%, heavily shaking Zijuan tea leaves for 20-30 min by the shaking machine, standing for cooling for 5-6 min again to allow the Zijuan black tea to be withered to water content of 55-60%;
s3, twisting: rolling the green Zijuan tea leaves subjected to green shaking in the step S2 with a rolling device for 80-90 min to make 100% of the Zijuan tea leaves into strips, so that the cell damage rate in the tea leaves reaches above 75-80%, and the permeability of the Zijuan tea leaves is increased to avoid dead tea;
s4, fermentation: feeding the rolled Zijuan tea leaves obtained in step S3 into a fermentation chamber, fermenting at 25-30 deg.C with relative humidity of 80-85% for 2-3 hr, spreading the tea leaves to 3-4 cm, and fermenting for 30-90 min until the green grass smell of the tea leaves is removed to give out faint scent;
s5, drying: spreading the tea leaves fermented in the step S4 on a tray, putting the tray into a drying oven for low-temperature slow drying at the drying temperature of 55-65 ℃, and drying the tea leaves until the moisture content is lower than 5-8% to obtain tea embryos for later use;
s6, cellar preparation: mixing flos Rosae Rugosae and tea embryo in such manner that one layer of flos Rosae Rugosae and one layer of tea embryo are stacked, each layer of flos Rosae Rugosae is 3 cm thick, 5 layers of flos Rosae Rugosae and tea embryo are stacked, each layer of tea embryo is 4 cm thick, 4 layers of tea embryo are stacked, and the mixture is cellated for 12-15 hours in a cellating box with the temperature of 27-35 ℃ and the humidity of 80-85%;
s7, flowering: drying the mixture of the rose petals and the tea embryo which are cellared in the step S6 at 55-65 ℃ to obtain primary cellared rose Zijuan black tea;
s8, re-cellar: repeating the step S6 to perform cellar recovery, piling the first cellar-made rose Zijuan black tea to 12 cm thick, forming, and oven drying at 70-80 deg.C until the water content of the cellar-made rose Zijuan black tea is less than 5% to obtain second cellar-made rose Zijuan black tea;
s9, sieving: and screening out rose petals by using a mesh screen to obtain the rose Zijuan black tea.
In the invention, in the step S2 of shaking, the temperature in the shaking machine is controlled to be 22-25 ℃, the relative humidity is 80-85%, the rotation speed of the shaking machine in the step S2 of shaking is 5-7 r/min, and the rotation speed of the shaking machine in the step S2 of shaking is 8-10 r/min.
EXAMPLE III
The invention provides rose Zijuan black tea which comprises the following raw materials: zijuan tea green and rose petal.
The production process comprises the following steps:
s1, picking: picking fresh Zijuan tea green with one bud and two leaves in spring for 4-5 months, picking rose, selecting fresh petals, selecting 'first water flower' from late 4 months to late 5 months, wherein the standard is fully expanded but unopened flower bud, which has thick flesh, strong fragrance, high oil content and best quality. The water is firstly dried and then sequentially arranged in a wood frame drying sieve with a wire netting bottom, and the petals are uniformly downward or upward.
S2, shaking green: slightly shaking fresh Zijuan tea leaves for 10 min by a shaking machine, standing for cooling for 2-3 min to allow water content of Zijuan tea leaves to be 2-3%, heavily shaking Zijuan tea leaves for 20-30 min by the shaking machine, standing for cooling for 5-6 min again to allow the Zijuan black tea to be withered to water content of 55-60%;
s3, twisting: rolling the green Zijuan tea leaves subjected to green shaking in the step S2 with a rolling device for 80-90 min to make 100% of the Zijuan tea leaves into strips, so that the cell damage rate in the tea leaves reaches above 75-80%, and the permeability of the Zijuan tea leaves is increased to avoid dead tea;
s4, fermentation: feeding the rolled Zijuan tea leaves obtained in step S3 into a fermentation chamber, fermenting at 25-30 deg.C with relative humidity of 80-85% for 2-3 hr, spreading the tea leaves to 3-4 cm, and fermenting for 30-90 min until the green grass smell of the tea leaves is removed to give out faint scent;
s5, drying: spreading the tea leaves fermented in the step S4 on a tray, putting the tray into a drying oven for low-temperature slow drying at the drying temperature of 55-65 ℃, and drying the tea leaves until the moisture content is lower than 5-8% to obtain tea embryos for later use;
s6, cellar preparation: mixing flos Rosae Rugosae and tea embryo in such manner that one layer of flos Rosae Rugosae and one layer of tea embryo are stacked, each layer of flos Rosae Rugosae is 3 cm thick, 5 layers of flos Rosae Rugosae and tea embryo are stacked, each layer of tea embryo is 3 cm thick, 4 layers of tea embryo are stacked, and the mixture is cellated for 12-15 hours in a cellating box with the temperature of 27-35 ℃ and the humidity of 80-85%;
s7, flowering: drying the mixture of the rose petals and the tea embryo which are cellared in the step S6 at 55-65 ℃ to obtain primary cellared rose Zijuan black tea;
s8, re-cellar: repeating the step S6 to perform cellar recovery, piling up the first cellar-made rose Zijuan black tea to a thickness of 10 cm, puffing, and oven drying at 70-80 deg.C until the water content of the cellar-made rose Zijuan black tea is less than 5% to obtain a second cellar-made rose Zijuan black tea;
s9, sieving: and screening out rose petals by using a mesh screen to obtain the rose Zijuan black tea.
In the invention, in the step S2 of shaking, the temperature in the shaking machine is controlled to be 22-25 ℃, the relative humidity is 80-85%, the rotation speed of the shaking machine in the step S2 of shaking is 5-7 r/min, and the rotation speed of the shaking machine in the step S2 of shaking is 8-10 r/min.
Experiment of
1) Tea color and fragrance test of the rose Zijuan black tea prepared in the first, second and third examples and the commercially available Zijuan black tea
And then 20 tea drinkers are selected, the rose Zijuan black tea prepared in the first embodiment, the second embodiment and the third embodiment and the commercially available Zijuan black tea are brewed by hot water of 85 ℃, the tea drinkers are invited to respectively conduct product identification and score, and the score standard is as follows: the tea color is 10 points, and the aroma is 10 points.
The test results are shown in table 1:
table 1:
Figure 428657DEST_PATH_IMAGE001
the results in table 1 show that the average scores of the tea color and the fragrance of the rose Zijuan black tea prepared in the first, second and third examples are all higher than 8.7 minutes, while the average score of the commercially available tea is below 7.5 minutes, which shows that the rose Zijuan black tea prepared by the processing technology of the rose Zijuan black tea provided by the invention is clear in color and has sharp fragrance.
2) Taste tests of the rose Zijuan black tea prepared in the first, second and third examples and the commercially available Zijuan black tea
Randomly select 100 customers, invite them to participate in the taste tests of the rose juan black tea prepared in example one, example two and example three and the commercially available juan black tea, and select the group with the best taste, and the results are shown in table 2.
Table 2:
Figure 473974DEST_PATH_IMAGE002
the results in table 2 show that the ratio of the selected rose Zijuan black tea prepared in the first, second and third examples was 31%, 28% and 29%, respectively, which is the most pleasant one, while the ratio of the commercially available Zijuan black tea was only 12%, which is the most pleasant one, wherein 85 persons were evaluated for the softness and thickness of the entrance of the rose Zijuan black tea, and 78 persons were evaluated for the tea aroma, indicating that the rose Zijuan black tea provided by the present invention has better taste, softness and thickness and strong aroma than the commercially available Zijuan black tea.
In conclusion, the rose Zijuan black tea provided by the invention has red, bright and oily soup color, is clear like amber, is hung on the cup wall by a golden ring, has obvious rose fragrance, is elegant and rich, has moist, smooth, fragrant and sweet taste, can promote the secretion of saliva or body fluid, is mild and sensitive, is accompanied by the rose fragrance, and is deeply loved by women; the nutrients of the rose and the Zijuan black tea are organically combined, so that the rose Zijuan black tea not only has the fragrance of rose, but also has various effects of softening liver, refreshing stomach, soothing qi, activating blood circulation, maintaining beauty, keeping young, reducing blood pressure and the like, and is beneficial to preventing cancers, cardiovascular diseases, neurological diseases and circulatory systems; the green grass flavor of the Zijuan black tea is removed through tea fermentation, the faint scent of the Zijuan black tea is excited, the generation of theaflavin is facilitated, the theaflavin content of the tea is improved, and the tea is lightly shaken and heavily shaken through green shaking, so that the cell damage rate of the tea is improved, the permeability of the tea is improved, and the fusion of the tea and rose juice is facilitated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The rose Zijuan black tea is characterized by comprising the following raw materials: zijuan tea green and rose petal.
2. A production process of rose Zijuan tea leaves is characterized by comprising the following steps:
s1, picking: picking fresh Zijuan tea green with one bud and two leaves in spring for 4-5 months, picking rose, selecting fresh petals, selecting and picking 'first water flower' from the last ten days of 4 months to the last ten days of 5 months, wherein the standard is a flower bud which is fully expanded but not opened, and the flower bud has thick flesh, strong fragrance, high oil content and optimal quality;
firstly, drying water, and sequentially arranging the water in a wood frame drying sieve with a wire gauze bottom, wherein the petals are uniformly downward or upward;
s2, shaking green: slightly shaking fresh Zijuan tea leaves for 10 min with a shaking machine, standing for cooling for 2-3 min to allow water content of Zijuan tea leaves to be 2-3%, heavily shaking Zijuan tea leaves with the shaking machine for 20-30 min, standing for cooling for 5-6 min again to allow water content of Zijuan tea leaves to be 55-60%;
s3, twisting: rolling the green Zijuan tea leaves subjected to green shaking in the step S2 with a rolling device for 80-90 min to make 100% of the Zijuan tea leaves into strips, so that the cell damage rate in the tea leaves reaches above 75-80%, and the permeability of the Zijuan tea leaves is increased to avoid dead tea;
s4, fermentation: feeding the rolled Zijuan tea leaves obtained in step S3 into a fermentation chamber, fermenting at 25-30 deg.C with relative humidity of 80-85% for 2-3 hr, spreading the tea leaves to 3-4 cm, and fermenting for 30-90 min until the green grass smell of the tea leaves is removed to give out faint scent;
s5, drying: spreading the tea leaves fermented in the step S4 on a tray, putting the tray into a drying oven for low-temperature slow drying at the drying temperature of 55-65 ℃, and drying the tea leaves until the moisture content is lower than 5-8% to obtain tea embryos for later use;
s6, cellar preparation: mixing flos Rosae Rugosae and tea embryo in such manner that one layer of flos Rosae Rugosae and one layer of tea embryo are stacked, each layer of flos Rosae Rugosae is 2-3 cm thick, 5 layers of tea embryo are stacked, each layer of tea embryo is 3-4 cm thick, 4 layers of tea embryo are stacked, and the mixture is cellated in a cellaring box with the temperature of 27-35 ℃ and the humidity of 80-85% for 12-15 hours;
s7, flowering: drying the mixture of the rose petals and the tea embryo which are cellared in the step S6 at 55-65 ℃ to obtain primary cellared rose Zijuan black tea;
s8, re-cellar: repeating the step S6 to perform cellar recovery, piling the first cellar-prepared red tea to 8-12 cm thick, and drying at 70-80 deg.C until the water content of the cellar-prepared red tea is lower than 5% to obtain second cellar-prepared red tea;
s9, sieving: and screening out rose petals by using a mesh screen to obtain the rose Zijuan black tea.
3. The process of claim 2, wherein in the step S2 of shaking, the temperature in the shaking machine is controlled at 22-25 ℃ and the relative humidity is controlled at 80-85%.
4. The process for producing rose juan black tea as claimed in claim 2, wherein the rotation speed of the shaking machine in the step S2 is 5-7 rpm, and the rotation speed of the shaking machine is 8-10 rpm.
5. The production process of the rose Zijuan black tea as claimed in claim 2, wherein in the 6 cellaring step, each layer of rose petals is 2 cm thick, 5 layers of rose petals are laid, each layer of tea embryo is 3 cm thick, 4 layers of rose embryos are laid, and in the S8 cellaring step, one cellaring layer of rose Zijuan black tea is piled up to 8 cm thick.
6. The production process of the rose Zijuan black tea as claimed in claim 2, wherein in the 6 cellaring step, each layer of rose petals is 3 cm thick, 5 layers of rose petals are laid, each layer of tea embryo is 4 cm thick, 4 layers of rose embryos are laid, and in the step S8, the cellaring step is carried out to stack the single cellaring rose Zijuan black tea to 12 cm thick.
7. The production process of the rose Zijuan black tea as claimed in claim 2, wherein in the 6 cellaring step, each layer of rose petals is 3 cm thick, 5 layers of rose petals are laid, each layer of tea embryo is 3 cm thick, 4 layers of rose buds are laid, and in the S8 cellaring step, the once cellaring rose Zijuan black tea is piled up to 10 cm thick.
CN202011423658.5A 2020-12-08 2020-12-08 Processing technology of rose Zijuan black tea Pending CN112450292A (en)

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Application publication date: 20210309