CN102578330B - Productive technology for black tea extracts - Google Patents
Productive technology for black tea extracts Download PDFInfo
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- CN102578330B CN102578330B CN 201210019887 CN201210019887A CN102578330B CN 102578330 B CN102578330 B CN 102578330B CN 201210019887 CN201210019887 CN 201210019887 CN 201210019887 A CN201210019887 A CN 201210019887A CN 102578330 B CN102578330 B CN 102578330B
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Abstract
The invention mainly relates to a processing method of fungus growing for black tea. Raw dark green tea is processed through pile fermentation and steaming and is sprayed with eurotium cristatum spore powders; then tea leaves are pressed to form bricks, and are processed through high-temperature sterilization after being sealed up; after being cooled down, the tea leaves are processed through fungus growing for a period of time, and then are added with water for extraction under high temperature; liquid is concentrated and removed after liquid and residues are separated so as to form pastes; and the pastes are dried and packed. By adopting the processing method, the influence on the tea flavor that is caused after eurotium cristatum disappears can be avoided, the original tea flavor can also be kept, and the convenience for drinking eurotium cristatum milky tea can be facilitated when extracts are brewed directly.
Description
Affiliated technical field:
The invention belongs to the natural products development field, related to a kind of tea cream production technology, more particularly related to a kind of black tea extract production method.
Background technology
Golden flower is grown in being commonly called as of coronoid process loose capsule bacterium (Eurotium Cristatum) in traditional Fu brick tea.This bacterium has the conversion that can promote various organic substances in the tealeaves, greatly improves quality and the nutrition of fermented tea, makes tealeaves soup look reddish brown, and fragrance is pure, the characteristics that flavour is mellow.Modern study shows that also it has the effect that improves the blood of human body biochemical indicator and obviously deoil greasy, sharp digestion, lowering blood-fat and reducing weight.Thereby more and more cause people's attention.In order to promote growing dim of various tealeaves, many Tea Scientific Research personnel have carried out a large amount of research, for example: " Fu brick tea grow dim technical research " is on the books in 1996 " tealeaves communication ", the Fu brick tea optimum moisture content high temperature high-temperature high humidity season that grows dim is 20%-22%, dry season is 22%-25%, tea time go mouldy greater than 30% the time, optimum thickness is 4-5cm, it is 30% that the best of brick contains the stalk amount, be difficult to when being lower than 5% grow dim, not to be higher than 25 ℃, be advisable with 30 ℃ under the natural conditions under the drying room temperature of the growing dim conducting self-heating.The progress of dominant bacteria in the process " the Fu brick tea grow dim " is also on the books in " tea science technology " in 2005: the optimal temperature that the Fu brick tea grows dim is 28-30 ℃, the initial stage of growing dim is controlled at about 25 ℃, can bring up to 28-32 ℃ mid-term, the pH value is 5, and humidity is below 70%.But can these researchs all rest on the Fu brick tea and grow dim.Be that the Chinese patent of CN102217688A describes in detail by the low temperature slowly fermenting and reduces tealeaves density and carry out large-scale production at publication number, with grow dim effect and improving the quality of products of change, can prevent from again simultaneously tealeaves is burnt core and goes mouldy.But have limitation: the one, tea making mainly take spring and summer season as main, temperature is higher, the various and easy growth of microbe species adopts the low temperature slowly fermenting wayward, also not energy-conservation.Though the artificial tealeaves density that reduces can not cause tealeaves burning core, how easy residual microorganism is more goes mouldy.The 2nd, present method adopts the loose capsule bacterium liquid of the coronoid process of artificial culture or adds tea juice, though strengthened the index of some aspect, can affect the original local flavor of whole fermented tea.The 3rd, grow golden flower golden flower after long storage time on the tealeaves and disappear.The 4th, because tealeaves and the goat milk of crossing by fermentation carries out drinking behind the thermophilic digestion again, all adopt now alcoholic solution or the aqueous solution to carry out lixiviate formation medicinal extract or extract powder, be convenient to make tea with goat milk and drink, but can affect the local flavor of traditional drinking method.We take full advantage of tea making existence conditions in season, humidity and temperature is all higher, adopt hot and humid method, the artificial loose capsule bacterium spore of coronoid process that increases, reach the shortening fermentation period, behind high-temperature baking golden flower is fixed, monitoring is not in place, product burns core, goes mouldy and preserve the problems such as traditional properties to wish to grow dim thoroughly solution again, and large-scale production goes out original flavor, long traditional zymotic tea of maintenance phase.
Summary of the invention
The object of the invention is to disclose a kind of can the solution and grow dim that monitoring is not in place, product burns core and go mouldy and drink the problem such as convenience, guarantee tealeaves grow dim homogeneity good and also be convenient to drink, can keep the former zestful processing method of traditional zymotic tea.
Solution of the present invention is: a kind of black tea rear medicinal extract processing method of growing dim, comprise drying, quality inspection, packing and warehouse-in, its special character is to carry out successively following procedure of processing before drying process: the loose capsule bacterium conidia powder → tealeaves of Dark Green Tea raw material → wet heap → steaming tea → sprinkling coronoid process be pressed into brick → sealing afterwards high temperature sterilization → tealeaves grow dim → high temperature goat milk adds flooding → melt cinder separation → concentrate drying and becomes cream → drying and packaging.
Procedure of processing in the technology of the present invention solution is as follows:
1, wet heap: with a small amount of water of atomizers spray, moisture is controlled at 23-27% with the Dark Green Tea raw material of drying, and temperature is controlled at 70-80 ℃, and relative air humidity is 70-80% at least, wet heap 8-12 hour;
2, steam tea: with 100-106 ℃ steamed 5-10 second;
3, spray the loose capsule bacterium conidia powder of coronoid process: the loose capsule bacterium conidia powder of a certain amount of coronoid process is sprayed on the tealeaves after the steam treatment;
4, tealeaves is pressed into brick: with container tealeaves is carried out compressingly, tealeaves density is moderate;
5, high temperature sterilization after the sealing: will compressing tealeaves cooling and shaping 12-24 hour, again with the freshness protection package sealing, put into again the sterilizer 100-110 ℃ of 15min that sterilizes;
6, tealeaves grows dim: the tealeaves water content behind the wet sterilization is controlled in the 25-30% scope, and temperature is controlled at 28-35 ℃, and relative air humidity is controlled at 65-80%;
7, high temperature adds flooding: its tealeaves that fermented is added a certain amount of water, water temperature is controlled at about 90 ℃, extraction time is controlled at 15-40 minute, stirs extraction;
8, extract complete rear employing horizontal screw centrifuge and carry out centrifugally, it is centrifugal to adopt the butterfly centrifugal machine to carry out again;
9, the tea juice that obtains after centrifugal through the butterfly centrifugal machine adds 1% sodium chloride, adds a certain amount of butter again, and it is concentrated to carry out low temperature after stirring, and thickening temperature is controlled at about 65 ℃, and the tea juice concentration after concentrated is controlled at 35 ± 2 Baume degrees;
10, concentrate adds in tailormadepiston basin or the special mould, puts into the low temperature drying micro-wave oven, and thickening temperature is controlled at about 60 ℃, inspissated juice is dried to paste, and water content is controlled at 10 ± 1%, smooth surface, without being charred flavor, without loose how empty phenomenon, pack warehouse-in with aluminium foil bag.
The water yield and the tealeaves weight ratio of spraying in the step 2 in one embodiment, are 10-12: 100.
In one embodiment, the amount of using the loose capsule bacterium conidia powder of coronoid process in the step 3 and dry weight of tea leaves amount are than being 1-2: 100.
In another embodiment, the tealeaves time of growing dim is 2-4 days in the step 6.
In another embodiment, add stem tea and the water yield, its weight (kg)/volume (V) ratio=1-10: 15 in the step 7.
In another embodiment, the volume (V) of the volume (V) of the adding butter described in the step 9 and tea juice is than=10: 15-100.
Technique effect:
1, adopts the loose capsule bacterium conidia powder of coronoid process to carry out Rapid Fermentation, reduced the growth of miscellaneous bacteria, can not cause the tealeaves problem of going mouldy, avoided in the loose capsule bacterium liquid of coronoid process culture medium on the former zestful impact of tealeaves.
2, adopt the freshness protection package encapsulating method to guarantee fermentation humidity, the problems such as later stage water deficient of having avoided growing dim can make the inside and outside thalli growth of brick tea evenly luxuriant, can not cause tealeaves to burn the situations such as core.
3, employing and goat milk thermophilic digestion mode are carried out lixiviate, prevented golden flower disappear after on the impact of tealeaves local flavor, can keep again original tealeaves local flavor, the direct Instant Drinks of its medicinal extract are conducive to the convenience that golden flower milk tea is drunk more.
The specific embodiment
The below further specifies essentiality content of the present invention with embodiment of the present invention, but does not limit the present invention with this.
Embodiment 1:
Take by weighing the dry black wool tealeaves of 100Kg, with the tea after the atomizers spray 10-12kg infusion, pile the tea heap, cross steam engine after 4 hours and steam tea, wet stack height is about 45cm, covers wet cotton, temperature is controlled at 70-80 ℃, and relative air humidity is controlled at 70-85%, wet heap 8-12 hour; With 100 ℃ steamed 5-10 second; The loose capsule bacterium conidia powder of coronoid process (Hunan, Changsha money bio tech ltd provides) of 1kg is sprayed on the tealeaves after the steam treatment; With Stainless steel basin tealeaves is carried out compressingly, tealeaves density is moderate; With compressing tealeaves cooling and shaping 12-24 hour, with the freshness protection package sealing, put into again 110 ℃ of sterilizer sterilization 15min; Tealeaves water content behind the wet sterilization is controlled in the 25-30% scope, and temperature is controlled at 28-35 ℃, and relative air humidity is controlled at 70-85%, cultivates and ends afterwards in 4 days to grow dim; Water with its tealeaves adding 1500L that fermented is controlled at water temperature about 90 ℃, and extraction time is controlled at 40 minutes, stirs extraction; Extract complete rear employing horizontal screw centrifuge and carry out centrifugally, it is centrifugal to adopt the butterfly centrifugal machine to carry out again; Obtain 800L tea juice after centrifugal through the butterfly centrifugal machine, add 8kg sodium chloride, add and made butter 60L, carry out low temperature after stirring and concentrate, thickening temperature is controlled at about 65 ℃, and the tea juice concentration after concentrating is controlled at 35 ± 2 Baume degrees; Concentrate adds in tailormadepiston basin or the special mould, puts into the low temperature drying micro-wave oven, and thickening temperature is controlled at about 60 ℃, inspissated juice is dried to paste, and water content is controlled at 10 ± 1%, smooth surface, without being charred flavor, without loose how empty phenomenon, pack warehouse-in with aluminium foil bag.
Embodiment 2:
Take by weighing the dry black wool tealeaves of 200Kg, with the tea after the atomizers spray 20-24kg infusion, pile the tea heap, cross steam engine after 4 hours and steam tea, wet stack height is about 45cm, covers wet cotton, temperature is controlled at 70-80 ℃, and relative air humidity is controlled at 70-85%, wet heap 8-12 hour; With 100 ℃ steamed 5-10 second; The loose capsule bacterium conidia powder of coronoid process of 4kg is sprayed on the tealeaves after the steam treatment; With fresh thick bamboo tube tealeaves is carried out compressingly, tealeaves density is moderate; With compressing tealeaves cooling and shaping 12-24 hour, with the freshness protection package sealing, put into again 105 ℃ of sterilizer sterilization 15min; Tealeaves water content behind the wet sterilization is controlled in the 25-30% scope, and temperature is controlled at 28-35 ℃, and relative air humidity is controlled at 70-85%, cultivates and ends afterwards in 2 days to grow dim; Water with its tealeaves adding 2500L that fermented is controlled at water temperature about 90 ℃, and extraction time is controlled at 20 minutes, stirs extraction; Extract complete rear employing horizontal screw centrifuge and carry out centrifugally, it is centrifugal to adopt the butterfly centrifugal machine to carry out again; Obtain 1600L tea juice after centrifugal through the butterfly centrifugal machine, add 16kg sodium chloride, add and made butter 180L, carry out low temperature after stirring and concentrate, thickening temperature is controlled at about 65 ℃, and the tea juice concentration after concentrating is controlled at 35 ± 2 Baume degrees; Concentrate adds in tailormadepiston basin or the special mould, puts into the low temperature drying micro-wave oven, and thickening temperature is controlled at about 60 ℃, inspissated juice is dried to paste, and water content is controlled at 10 ± 1%, smooth surface, without being charred flavor, without loose how empty phenomenon, pack warehouse-in with aluminium foil bag.
Embodiment 3:
Take by weighing the dry black wool tealeaves of 300Kg, with tea after the atomizers spray 30-38kg infusion, pile the tea heap, cross steam engine after 4 hours and steam tea, wet stack height is about 45cm, covers wet cotton, temperature is controlled at 70-80 ℃, and relative air humidity is controlled at 70-85%, wet heap 8-12 hour; With 100 ℃ steamed 5-10 second; The loose capsule bacterium conidia powder of the coronoid process of 5kg (Hunan, Changsha money bio tech ltd provides) is sprayed on the tealeaves after the steam treatment, with fresh bamboo basket tealeaves is carried out compressingly, tealeaves density is moderate; With compressing tealeaves cooling and shaping 12-24 hour, with the freshness protection package sealing, put into again 105 ℃ of sterilizer sterilization 15min; Tealeaves water content behind the wet sterilization is controlled in the 25-30% scope, and temperature is controlled at 28-35 ℃, and relative air humidity is controlled at 70-85%, cultivates and ends afterwards in 4 days to grow dim; Water with its tealeaves adding 3500L that fermented is controlled at water temperature about 90 ℃, and extraction time is controlled at 30 minutes, stirs extraction; Extract complete rear employing horizontal screw centrifuge and carry out centrifugally, it is centrifugal to adopt the butterfly centrifugal machine to carry out again; Obtain 2700L tea juice after centrifugal through the butterfly centrifugal machine, add 27kg sodium chloride, add and made butter 270L, carry out low temperature after stirring and concentrate, thickening temperature is controlled at about 65 ℃, and the tea juice concentration after concentrating is controlled at 35 ± 2 Baume degrees; Concentrate adds in tailormadepiston basin or the special mould, puts into the low temperature drying micro-wave oven, and thickening temperature is controlled at about 60 ℃, inspissated juice is dried to paste, and water content is controlled at 10 ± 1%, smooth surface, without being charred flavor, without loose how empty phenomenon, pack warehouse-in with aluminium foil bag.
Claims (1)
1. a black tea rear medicinal extract processing technology of growing dim, step comprises:
(1) wet heap: with a small amount of water of atomizers spray, moisture is controlled at 23-27% with the Dark Green Tea raw material of drying, and temperature is controlled at 70-80 ℃, relative air humidity 70-80%, wet heap 8-12 hour;
(2) steam tea: with 100-106 ℃ steamed 5-10 second;
(3) spray the loose capsule bacterium conidia powder of coronoid process: the loose capsule bacterium conidia powder of a certain amount of coronoid process is sprayed on the tealeaves after the steam treatment, and the amount of wherein using the loose capsule bacterium conidia powder of coronoid process and dry weight of tea leaves amount are than being 1-2:100;
(4) tealeaves is pressed into brick: with container tealeaves is carried out compressingly, tealeaves density is moderate;
(5) high temperature sterilization after the sealing: will compressing tealeaves cooling and shaping 12-24 hour, again with the freshness protection package sealing, put into again the sterilizer 100-110 ℃ of 15min that sterilizes;
(6) tealeaves grows dim: the tealeaves water content behind the wet sterilization is controlled in the 25-30% scope, and temperature is controlled at 28-35 ℃, and relative air humidity is controlled at 65-80%, and the tealeaves time of growing dim is 2-4 days;
(7) high temperature adds flooding: its tealeaves that grew dim is added a certain amount of water, and wherein stem tea and water w/v are 1-10 kg:15 L, and water temperature is controlled at 90 ℃, and extraction time is controlled at 15-40 minute, stirs extraction;
(8) extract complete rear employing horizontal screw centrifuge and carry out centrifugally, it is centrifugal to adopt the butterfly centrifugal machine to carry out again;
(9) the tea juice that obtains after centrifugal through the butterfly centrifugal machine adds 1% sodium chloride, adds a certain amount of butter again, wherein the volume ratio of butter and tea juice is 10:15-100, it is concentrated to carry out low temperature after stirring, and temperature is controlled at 65 ℃, and the tea juice concentration after concentrating is controlled at 35 ± 2 Baume degrees;
(10) concentrated tea juice adds in the special mould, puts into the low temperature drying micro-wave oven, and temperature is controlled at 60 ℃, concentrated tea juice is dried to paste, and water content is controlled at 10 ± 1%, smooth surface, without being charred flavor, without loose how empty phenomenon, pack warehouse-in with aluminium foil bag.
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| CN 201210019887 CN102578330B (en) | 2012-01-27 | 2012-01-27 | Productive technology for black tea extracts |
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| CN 201210019887 CN102578330B (en) | 2012-01-27 | 2012-01-27 | Productive technology for black tea extracts |
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| CN102578330B true CN102578330B (en) | 2013-02-20 |
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| CN103005107A (en) * | 2013-01-08 | 2013-04-03 | 南京师范大学 | Method for processing stevia rebaudiana dark green tea |
| CN105255807B (en) * | 2014-07-15 | 2018-09-21 | 中粮营养健康研究院有限公司 | A kind of conidial preparation method of coronoid process dissipate capsule bacterium |
| CN106135480A (en) * | 2015-04-15 | 2016-11-23 | 安徽天方茶业（集团）有限公司 | A kind of preparation method of postfermented tea |
| CN104824186B (en) * | 2015-05-29 | 2016-10-26 | 湖南农业大学 | A kind of Hunan raw dark green tea method for alcoholizing |
| CN105394232A (en) * | 2015-12-23 | 2016-03-16 | 咸阳泾渭茯茶有限公司 | Miniature compressed tea processing method |
| CN106387184A (en) * | 2016-08-31 | 2017-02-15 | 恒枫食品科技有限公司 | Preparation method of Fu tea extract with high light transmittance |
| CN106819190A (en) * | 2017-03-20 | 2017-06-13 | 山东省药学科学院 | The preparation method of one plant tea underflow |
| CN109566802B (en) * | 2018-12-03 | 2022-05-17 | 陕西汇源健康食品有限公司 | Production process and production line of beverage capable of improving cardiovascular disease |
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| CN1759710A (en) * | 2005-11-09 | 2006-04-19 | 云南省农业机械研究所 | 'Puer' caffeine and processing method |
| CN101283709A (en) * | 2007-04-12 | 2008-10-15 | 北京紫辰医药生物技术研究所 | Instant pu'er tea paste |
| CN101579024A (en) * | 2009-06-18 | 2009-11-18 | 谌小丰 | Artificial inoculation production method of camellia nitidissima |
| CN102217688A (en) * | 2011-06-23 | 2011-10-19 | 牛乃秀 | Making method of golden flower puer tea |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1759710A (en) * | 2005-11-09 | 2006-04-19 | 云南省农业机械研究所 | 'Puer' caffeine and processing method |
| CN101283709A (en) * | 2007-04-12 | 2008-10-15 | 北京紫辰医药生物技术研究所 | Instant pu'er tea paste |
| CN101579024A (en) * | 2009-06-18 | 2009-11-18 | 谌小丰 | Artificial inoculation production method of camellia nitidissima |
| CN102217688A (en) * | 2011-06-23 | 2011-10-19 | 牛乃秀 | Making method of golden flower puer tea |
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