CN104336200A - Preparation method of gardenia black tea - Google Patents
Preparation method of gardenia black tea Download PDFInfo
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- CN104336200A CN104336200A CN201410556374.1A CN201410556374A CN104336200A CN 104336200 A CN104336200 A CN 104336200A CN 201410556374 A CN201410556374 A CN 201410556374A CN 104336200 A CN104336200 A CN 104336200A
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- gardenia
- black tea
- cape jasmine
- tea
- dried flower
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Abstract
The invention discloses a preparation method of gardenia black tea. The method comprises the following steps: preparing dried gardenia from picked open gardenia by adopting a freeze-dry process; mixing the dried gardenia with a black tea base according to a certain ratio; and scenting for at least twice, and then separating the dried gardenia from the black tea base, so as to prepare the gardenia black tea. The dried gardenia and the black tea base are scented by virtue of a specific ratio and a specific scenting process; the moisture content of the prepared gardenia black tea is 6-7%; the prepared gardenia black tea is good in mouthfeel, stable in quality, good in uniformity, red and clear in color, fresh and lovely in gardenia fragrance, good in perdurability and high in quality.
Description
Technical field
The present invention relates to jasmine tea and make field, be specifically related to a kind of preparation method of gardenia black tea.
Background technology
Gardenia tea is the traditional tea products of China, its raw material gardenia originates in Southwestern China portion, mainly be distributed in the ground such as Guizhou, Sichuan, Chongqing, there is clearing heat and detoxicating effect, be applicable to the people that the fire of deficiency type is large in body to drink, can clearing heat and cooling blood, cough-relieving, can cure the wound wind pneumonia, there is hypotensive effect, have certain auxiliary curative effect to disease in the liver and gallbladder; Meanwhile, gardenia tea also has the effect of reducing temperature of heatstroke prevention, human body is had to effect of certain health care beauty treatment.
At present, common jasmine tea production technology is by tea base and fresh flower split, basement system, and in this production process, fresh flower is that restriction jasmine tea is produced and the principal element of production capacity, and reason is mainly: jasmine tea production affects greatly by the fresh flower florescence; Flower production fluctuation is large, produces and spends the busy season, and during jasmine tea processing, fresh flower disposal ability is limited; Process energy utilization rate is low, causes energy loss; The added value of flower slag is low, deals with improperly and causes local air and water and soil pollution; Fresh flower is not easily preserved; Jasmine tea process site area is large, needs to carry out in fresh flower producing region; Above-mentioned factor all constrains the processing of jasmine tea, and energy consumption is high.
Tea base and cape jasmine fresh flower are normally carried out split, basement system by the preparation technology of existing gardenia tea, make tealeaves absorb the fragrance of a flower to form, tealeaves is while the fragrance of absorption fresh flower release, also a large amount of moisture is adsorbed, dry base moisture after basement to increase with basement, increase progressively 0.5 ~ 1% by basement, too high moisture can cause tea bar loose, color and luster xanthochromia, there is stewed taste in flavour; In order to reduce the water content of tea, traditional way adopts the mode of frying to dry flower, but this furnace drying method makes the color and luster brown stain of flower serious, simultaneously fragrance is lost severe, and then causes the jasmine tea nutrient component damages made many, and color and luster is dim, mouthfeel is poor, and quality reduces greatly.
Summary of the invention
Be directed to the deficiency that prior art exists, the object of this invention is to provide a kind of preparation method of gardenia black tea, solve the problem that gardenia black tea quality that the ageing of jasmine tea raw material and existing gardenia black tea causes because the nutrition of gardenia and fragrance run off is low.
In order to achieve the above object, the invention provides a kind of preparation method of gardenia black tea, comprise the following steps:
(1) adopt freeze-dry process that the gardenia of harvesting is made cape jasmine dried flower;
(2) cape jasmine dried flower is mixed according to certain ratio with black tea tea base, carry out basement system at least one times, then cape jasmine dried flower is separated with black tea tea base, obtained gardenia black tea.
Preferably, adopt freeze-dry process gardenia to be made cape jasmine dried flower specifically to comprise:
By the gardenia of plucking, pre-freeze 8 ~ 12 hours at being placed in-50 ~-40 DEG C, freezes to gardenia, hardens;
Be-30 ~-25 DEG C in temperature again, vacuum is under the condition of 80 ~ 140pa, by the gardenia freeze drying after pre-freeze 10 ~ 20 hours, and obtained cape jasmine dried flower; The moisture of cape jasmine dried flower is less than 5%.
Preferably, cape jasmine dried flower is mixed according to a certain percentage with black tea tea base, carries out basement fixture body at least one times and comprise:
Cape jasmine dried flower and black tea tea base are carried out first time basement system according to the ratio that weight ratio is 1:4 ~ 7,0 DEG C of lower seal basement system 48 ~ 72 hours, cape jasmine dried flower is separated with black tea tea base, an obtained basement gardenia black tea;
Cape jasmine dried flower and a basement gardenia black tea are carried out second time basement system according to the ratio that weight ratio is 1:10 ~ 15,0 DEG C of lower seal basement system 48 ~ 72 hours, cape jasmine dried flower is separated with a basement gardenia black tea, obtained gardenia black tea.
Preferably, the weight ratio of cape jasmine dried flower and black tea tea base is 1:5.
Preferably, the weight ratio of cape jasmine dried flower and a basement gardenia black tea is 1:15.
In preparation process, for obtained gardenia black tea, evaluate fragrance and the Tang Se of this gardenia black tea according to tealeaves reviewing method, if fragrance is inadequate, continue to adopt cape jasmine dried flower carry out basement system, till fragrance meets tealeaves review standards of designing to black tea tea base.
Meanwhile, adopt cape jasmine dried flower to prepare gardenia black tea, this cape jasmine dried flower freeze-drying prods is more beneficial to long-distance transport and stores, and jasmine tea processing also can not be subject to the seasonality restriction of fresh flower raw material, and the quality fluctuation of same class jasmine tea finished product is little, and quality is more secure.
The preparation method of gardenia black tea provided by the invention has following beneficial effect:
(1) the present invention adopts freeze-dry process to be carried out by gardenia processing obtained cape jasmine dried flower, and keep nutrition and the fragrance of gardenia, be rich in the nutritional labeling the same with fresh flower or fresh fruit, and obtained cape jasmine dried flower gives off a strong fragrance, moisture is less than 5%.
(2) cape jasmine dried flower and black tea tea base adopt specific ratio and specific scenting process carry out basement systems by the present invention, obtained gardenia black tea moisture is less than 7%, and obtained gardenia black tea mouthfeel is good, steady quality, uniformity is good, and color is red gorgeous limpid, and the cape jasmine fragrance of a flower is fresh, persistence is good, and quality is high.
(3) the gardenia black tea that the present invention produces maintains the fragrance of gardenia well, compare traditional handicraft and save fresh flower raw material, avoid wastage of material, more be beneficial to long-distance transport and store, jasmine tea processing also can not be subject to the restriction of fresh flower raw material seasonality, same class quality of finished fluctuation is little, and can review raw material, makes the quality of flower tea obtained have more guarantee.
Detailed description of the invention
For making the object of the application, technical scheme and advantage clearly, following specific embodiment, is described in further detail the application.
embodiment 1
(1) tell fragrant vigorous gardenia, pre-freeze 8 hours at being placed in-50 DEG C by what pluck, freeze to gardenia, harden;
Be-30 DEG C in temperature again, vacuum is under the condition of 80pa, and by the gardenia freeze drying after pre-freeze 10 hours, obtained moisture was the cape jasmine dried flower of 5%, waits until for subsequent use;
(2) above-mentioned obtained part cape jasmine dried flower is mixed by weight the ratio uniform for 1:5 with black tea tea base, carry out first time basement system, store basement system after 48 hours at 0 DEG C of lower seal, black tea tea base is separated with cape jasmine dried flower, sifts out a basement gardenia black tea;
(3) the untapped cape jasmine dried flower of part obtained in step (1) is mixed by weight the ratio uniform for 1:10 with a basement gardenia black tea, carry out second time basement system, basement system is stored after 48 hours at 0 DEG C of lower seal, cape jasmine dried flower is separated with a basement gardenia black tea, obtained gardenia black tea; Obtained gardenia black tea moisture is only 6%, and mouthfeel is good, and color is red gorgeous limpid, and the fresh degree of the fragrance of a flower is high, and fragrance is lasting, and the aromatic strong fragrance of flavour, quality is high.
embodiment 2
(1) the open gardenia will plucked, pre-freeze 12 hours at being placed in-40 DEG C, freezes to gardenia, hardens;
Be-25 DEG C in temperature again, vacuum is under the condition of 140pa, and by the gardenia freeze drying after pre-freeze 20 hours, obtained moisture was the cape jasmine dried flower of 4%, waits until for subsequent use;
(2) above-mentioned obtained part cape jasmine dried flower is mixed by weight the ratio uniform for 1:4 with black tea tea base, carry out first time basement system, store basement system after 72 hours at 0 DEG C of lower seal, black tea tea base is separated with cape jasmine dried flower, sifts out a basement gardenia black tea;
(3) the untapped gardenia dried flower of part obtained in step (1) is mixed by weight the ratio uniform for 1:15 with a basement gardenia black tea, carry out second time basement system, basement system is stored after 72 hours at 0 DEG C of lower seal, cape jasmine dried flower is separated with a basement gardenia black tea, sifts out secondary basement gardenia black tea;
(4) the untapped cape jasmine dried flower of part obtained in step (1) is mixed by weight the ratio uniform for 1:30 with secondary basement gardenia black tea, carry out third time basement system, basement system is stored after 72 hours at 0 DEG C of lower seal, cape jasmine dried flower is separated with secondary basement gardenia black tea, obtained gardenia black tea; Obtained gardenia black tea moisture is only 7%, and mouthfeel is good, and color is red gorgeous limpid, and the fresh degree of the fragrance of a flower is high, and fragrance is lasting, and the aromatic strong fragrance of flavour, quality is high.
embodiment 3
(1) the open gardenia will plucked, pre-freeze 10 hours at being placed in-45 DEG C, freezes to gardenia, hardens;
Be-28 DEG C in temperature again, vacuum is under the condition of 100pa, and by the gardenia freeze drying after pre-freeze 15 hours, obtained moisture was the cape jasmine dried flower of 4.5%, waits until for subsequent use;
(2) above-mentioned obtained part cape jasmine dried flower is mixed by weight the ratio uniform for 1:7 with black tea tea base, carry out first time basement system, store basement system after 60 hours at 0 DEG C of lower seal, black tea tea base is separated with cape jasmine dried flower, sifts out a basement gardenia black tea;
(3) the untapped cape jasmine dried flower of part obtained in step (1) is mixed by weight the ratio uniform for 1:13 with a basement gardenia black tea, carry out second time basement system, basement system is stored after 48 hours at 0 DEG C of lower seal, cape jasmine dried flower is separated with a basement gardenia black tea, obtained gardenia black tea; Obtained gardenia black tea moisture is only 6.3%, and mouthfeel is good, and soup look bright, and the fresh degree of the fragrance of a flower is high, and fragrance is lasting, and the aromatic strong fragrance of flavour, quality is high.
embodiment 4
(1) the open gardenia will plucked, pre-freeze 9 hours at being placed in-48 DEG C, freezes to gardenia, hardens;
Be-28 DEG C in temperature again, vacuum is under the condition of 90pa, and by the gardenia freeze drying after pre-freeze 13 hours, obtained moisture was the cape jasmine dried flower of 3.1%, waits until for subsequent use;
(2) above-mentioned obtained part cape jasmine dried flower is mixed by weight the ratio uniform for 1:6 with black tea tea base, carry out first time basement system, store basement system after 60 hours at 0 DEG C of lower seal, black tea tea base is separated with cape jasmine dried flower, sifts out a basement gardenia black tea;
(3) the untapped cape jasmine dried flower of part obtained in step (1) is mixed by weight the ratio uniform for 1:14 with a basement gardenia black tea, carry out second time basement system, basement system is stored after 60 hours at 0 DEG C of lower seal, cape jasmine dried flower is separated with a basement gardenia black tea, obtained gardenia black tea; Obtained gardenia black tea moisture is only 6.5%, and mouthfeel is good, and soup look bright, and the fresh degree of the fragrance of a flower is high.
Claims (5)
1. a preparation method for gardenia black tea, is characterized in that, comprises the following steps:
(1) adopt freeze-dry process that the gardenia of harvesting is made cape jasmine dried flower;
(2) described cape jasmine dried flower is mixed according to certain ratio with black tea tea base, carry out at least twice basement system, then cape jasmine dried flower is separated with black tea tea base, obtained gardenia black tea.
2. the preparation method of gardenia black tea according to claim 1, is characterized in that, gardenia is made cape jasmine dried flower and specifically comprises by described employing freeze-dry process:
By the gardenia of plucking, pre-freeze 8 ~ 12 hours at being placed in-50 ~-40 DEG C, freezes to gardenia, hardens;
Be-30 ~-25 DEG C in temperature again, vacuum is under the condition of 80 ~ 140pa, by the gardenia freeze drying after pre-freeze 10 ~ 20 hours, and obtained cape jasmine dried flower; The moisture of described cape jasmine dried flower is less than 5%.
3. the preparation method of gardenia black tea according to claim 1, is characterized in that, is describedly mixed according to a certain percentage with black tea tea base by described cape jasmine dried flower, carries out basement fixture body at least one times and comprises:
Cape jasmine dried flower and black tea tea base are carried out first time basement system according to the ratio that weight ratio is 1:4 ~ 7,0 DEG C of lower seal basement system 48 ~ 72 hours, cape jasmine dried flower is separated with black tea tea base, an obtained basement gardenia black tea;
Cape jasmine dried flower and a described basement gardenia black tea are carried out second time basement system according to the ratio that weight ratio is 1:10 ~ 15,0 DEG C of lower seal basement system 48 ~ 72 hours, cape jasmine dried flower is separated with a basement gardenia black tea, obtained gardenia black tea.
4. the preparation method of gardenia black tea according to claim 3, is characterized in that: the weight ratio of described cape jasmine dried flower and black tea tea base is 1:5.
5. the preparation method of gardenia black tea according to claim 3, is characterized in that: the weight ratio of described cape jasmine dried flower and a basement gardenia black tea is 1:15.
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| CN201410556374.1A CN104336200A (en) | 2014-10-20 | 2014-10-20 | Preparation method of gardenia black tea |
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| CN201410556374.1A CN104336200A (en) | 2014-10-20 | 2014-10-20 | Preparation method of gardenia black tea |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105660914A (en) * | 2016-01-19 | 2016-06-15 | 广西昭平县凝香翠茶厂 | Production process of jasmine-fragrance black tea |
| CN106035920A (en) * | 2016-08-02 | 2016-10-26 | 福建福鼎东南白茶进出口有限公司 | Gardenia flower-containing white peony tea and preparation method thereof |
| CN106615265A (en) * | 2016-11-18 | 2017-05-10 | 镇江市水木年华现代农业科技有限公司 | Preparation method for gardenia black tea |
| CN106954683A (en) * | 2017-02-28 | 2017-07-18 | 余姚市四窗岩茶叶有限公司 | A kind of red soup jasmine tea processing method |
| CN110089599A (en) * | 2018-01-31 | 2019-08-06 | 西南大学 | A kind of production method and products thereof of chocolate perfume (or spice) gardenia tea |
-
2014
- 2014-10-20 CN CN201410556374.1A patent/CN104336200A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105660914A (en) * | 2016-01-19 | 2016-06-15 | 广西昭平县凝香翠茶厂 | Production process of jasmine-fragrance black tea |
| CN106035920A (en) * | 2016-08-02 | 2016-10-26 | 福建福鼎东南白茶进出口有限公司 | Gardenia flower-containing white peony tea and preparation method thereof |
| CN106615265A (en) * | 2016-11-18 | 2017-05-10 | 镇江市水木年华现代农业科技有限公司 | Preparation method for gardenia black tea |
| CN106954683A (en) * | 2017-02-28 | 2017-07-18 | 余姚市四窗岩茶叶有限公司 | A kind of red soup jasmine tea processing method |
| CN110089599A (en) * | 2018-01-31 | 2019-08-06 | 西南大学 | A kind of production method and products thereof of chocolate perfume (or spice) gardenia tea |
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Application publication date: 20150211 |