CN1130979C - Process for preparing tea product and its product - Google Patents
Process for preparing tea product and its product Download PDFInfo
- Publication number
- CN1130979C CN1130979C CN 01131021 CN01131021A CN1130979C CN 1130979 C CN1130979 C CN 1130979C CN 01131021 CN01131021 CN 01131021 CN 01131021 A CN01131021 A CN 01131021A CN 1130979 C CN1130979 C CN 1130979C
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- tea
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- preparation
- filter liquor
- juice
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Abstract
The present invention relates to a method for preparing tea products and a product. Firstly, the fresh tea is preprocessed; then, the fresh tea is ground and is added with water to be extracted into juice. The juice is filtered, and thus, the primary filter liquor is prepared. Filter residues are added with water for the second time, are ground, and are extracted into juice, and the juice is filtered to prepare secondary filter liquor. The primary filter liquor and the secondary filter liquor are merged. The filter liquor is the prepared liquor tea product. The present invention has the technological condition that the primary water adding quantity accounts for 0 to 200 wt% of the tea; the secondary water adding quantity accounts for 200 to 1000 wt% of the tea; the particle sizes of the filtered filter residues are larger than 200 meshes; the juice extraction temperature ranges from 20 to 80 DEG C; the pressure ranges from 30 to 50kg /cm <2>. After the primary filter liquor and the secondary filter liquor are merged, the primary filter liquor and the secondary filter liquor are settled in a standing way, and the supernatant liquid is the prepared liquor tea product. The primary filter liquor and the secondary filter liquor are merged and dried, the water content ranges from 20 to 80%, and the pasty tea product is prepared. If the primary filter liquor and the secondary filter liquor are sprayed to be dried, the water content is smaller than 20%, and the solid powdery tea product is prepared. The product is prepared from fresh tea, the flavor is pure, and the nutrition loss is little. The present invention has the advantages of simple technological process and low cost.
Description
Invention field:
The present invention relates to preparation method of a kind of tea product and products thereof.
Background technology:
As everyone knows, popular tealeaves drinking method is that repeatedly hot-water soak is drunk substantially, and the fabricated product of tea beverage has appearred in recent years, wherein, Chinese patent 88103042.2 " technology for processing instant tea " provides a kind of raw material to adopt fresh tea passes, through the instant tea that preliminary treatment, tea juice extract, concentrate, several procedures such as drying make.Its advantage is: utilize fresh tea passes can make thick old bright leaf obtain utilizing, the fragrance and the flavour that can keep tealeaves, but its processing technology still need concentrate, drying, describedly ly concentrate, drying needs filter just, ultrafiltration and counter-infiltration again, in drying, also want vacuum freeze drying or spray-drying, technology various makes cost up and reduced range of application.
Summary of the invention:
The objective of the invention is to overcome the weak point of prior art, thereby provide a kind of technology simple, drink conveniently preparation method of tea product numerous in variety and products thereof.
For realizing the preparation method of the tea product that the object of the invention adopts, be earlier fresh tea passes to be gone stalk, cleaning preliminary treatment, grind then.Add water first and squeeze the juice, filter first-time filtrate.The filter residue secondary adds water and grinds, and squeezes the juice again, filters, and gets secondary filtrate.Twice filtrate is combined.
Used process conditions are: amount of water is 0～200% of a fresh tea passes weight first, and the secondary amount of water is 200～1000% of a fresh tea passes weight.The temperature maintenance of squeezing the juice is at 20～80 ℃, and the pressure of squeezing the juice is 30～50 kilograms per centimeter
2Should make the filter residue granularity greater than 200 mesh sieves during filtration.
The merging filtrate that is made by the preparation method of this described tea product is the liquid tea products.
Twice filtrate of the merging that the preparation method of above-mentioned tea product can be made also, quiescent setting 24 hours discards precipitation, and the supernatant bottling is the liquid tea products.
Also twice filtrate of the merging that the preparation method of above-mentioned tea product can be made is carried out drying, makes the paste tea products.Also twice filtrate of the merging that the preparation method of above-mentioned tea product can be made is carried out drying, makes the solid, powdery tea products.
The present invention also has following additional technical feature: behind the merging filtrate of the preparation method of described tea product, increase sterilization steps, use microwave or ultraviolet disinfection facility.
Behind merging filtrate, can increase drying steps, baking temperature is chosen 80～100 ℃, makes tea product be wet weight than the paste that is 20～80%, and then makes the paste tea products.Its drying steps can be selected for use under the vacuum and carry out, and vacuum is 150～300 millimetress of mercury.
Be combined the drying of filtrate, can select spray-drying for use, its inlet temperature is selected 100 ℃ for use, and outlet temperature is selected 80 ℃ for use, makes tea product be wet weight than less than 20% solid, powdery.
The present invention has following advantage compared to existing technology: 1. this product utilization fresh tea passes is made and has been avoided high-temperature process, makes and has reduced losing of nutrition by pure taste, has kept the active ingredient of tealeaves to greatest extent.2. use secondary to add the water conservancy project skill, promptly can extract the active ingredient of tealeaves morely and simplify handling process again, economic and practical, cost is low.3. the products obtained therefrom kind can be liquid, body of paste or solid, has expanded the scope of application, can select multiple processing and drinking way easily, uses or make other flavor beverages separately, as directly or water down and drink; But cold drink or hot drink; Can cooperate with other food compounds and make various drink variety; Also can be made into characteristic cakes and sweetmeats product or health-care medical food etc.
The specific embodiment:
With embodiment technical scheme of the present invention is described below,
Embodiment 1: the tealeaves that will newly pluck is cleaned, and impurity elimination grass and stalk branch wait impurity.Take by weighing 100 grams and put into grater and grind, grind the back and squeeze the juice under the crusher of 40 pressure, filter, the screen cloth of getting 200 mesh sieve holes filters, and its filtrate be the filtrate first time, and filtration can be adopted plate filter, Combined screen mesh or centrifugal filtration.The filter residue secondary adds pure water 300 grams again, if can stir 1 hour better, puts into grater then and grinds, and described grater can be selected mill, roll crusher, ball milling for use, also can consider to adopt colloid mill when grinding for the second time.For the nutrient in the tealeaves is fully dissolved, leave standstill diel after grinding, the taking-up supernatant also carries out the second time and squeezes the juice, and gets the order number and is equal to or greater than 200 purpose screen filtrations, discarding can not be by the filter residue greater than 200 eye mesh screens, and the supernatant of gained filtrate and taking-up is secondary filtrate jointly.To combine with secondary filtrate first.Behind the ultraviolet sterilization of existing frequent employing, bottling is the liquid tea products.
Embodiment 2: gets harvesting soon and through pretreated fresh tea leaf in its 100 gram, adds entry 100 grams and put into grater and grind, and before the technology of squeezing the juice thereafter to secondary adds water, identical with embodiment 1.Add for the second time water 1000 grams, promptly water is 1000% of fresh tea leaf in its weight, selects 150 orders～a kind of screen filtration of 250 purposes for use, and its subsequent handling is still as embodiment 1, to ultraviolet sterilization.Owing to tealeaves granularity in the filtrate in the present embodiment is bigger, the filtrate of twice merging was preferably left standstill 24 hours, discarded post precipitation, and the supernatant bottling is the liquid tea products.Amount of water is bigger among this embodiment, and output increases, and tealeaves nutrition is extracted more perfect, and cost reduces, but concentration is thinner.
Embodiment 3: the manufacturing process before ultraviolet sterilization is identical with embodiment 1 or embodiment 2.After twice filtrate combined, deliver to and carry out drying in the drying equipment, drying equipment can be selected drying equipment commonly used for use, and as tunnel drying, pneumatic conveying drying or box-type drying equipment, baking temperature is 90 ± 3 ℃.Meanwhile, can also make vacuum with the acceleration rate of drying, rapid exhaust steam, vacuum equipment available water ring type or vane-type vacuum pump, vacuum is selected for use below 300 ± 10 millimetress of mercury, looks processing capacity and appointed condition and specifically definite its vacuum.When the water content of measuring the tealeaves product is below 80% or 80%, be not less than 20% o'clock, can see also that from the equipment window product becomes paste this moment, lowers the temperature or shift out hothouse.Re-use the microwave irradiation sterilization, microwave irradiation both can play bactericidal action, thereby increased the product storage life, also played simultaneously and carried out dry effect internally.Packing becomes the paste tea product under the outside contamination situation avoiding.
Embodiment 4: the manufacturing process before drying steps is identical with embodiment 3, after twice filtrate merging, deliver to and carry out drying in the spray drying device, drying equipment can be selected centrifugal spray dryer for use, and the spray-drying inlet temperature can be controlled in 100 ℃, and outlet temperature is 90 ℃, active ingredient is that core is dried to the solid, powdery tea product with fine tealeaves particle in the tealeaves, its goods water content is controlled at below 20%, and the control water content can not be too low, otherwise power consumption increases.
Each tea products that makes with this preparation method does not have specific (special) requirements in use, repeats no more.
Claims (10)
1, a kind of preparation method of tea product is characterized in that earlier fresh tea passes being removed stalk, cleaning preliminary treatment, grinds then, adds water first and squeezes the juice, filter first-time filtrate, the filter residue secondary adds water and grinds, and squeezes the juice again, filter, get secondary filtrate, twice filtrate is merged;
Its process conditions are: amount of water is 0～200% of a fresh tea passes weight first, and the secondary amount of water is 200～1000% of a fresh tea passes weight, and the temperature maintenance of squeezing the juice is at 20～80 ℃, and the pressure of squeezing the juice is 30～50 kilograms per centimeter
2, make the filter residue granularity during filtration greater than 200 mesh sieves.
2, according to the preparation method of the described tea product of claim 1, it is characterized in that merging filtrate after, increase sterilization steps, use microwave or ultraviolet disinfection facility.
According to the preparation method of claim 1 or 2 described tea products, it is characterized in that behind merging filtrate that 3, increase drying steps, baking temperature is chosen 80～100 ℃, making tea product be water content is 20～80% paste.
4, according to the preparation method of the described tea product of claim 3, it is characterized in that drying steps carries out under vacuum, vacuum is 150～300 millimetress of mercury.
5, according to the preparation method of the described tea product of claim 1, it is characterized in that being combined filtrate and carry out spray-drying, its inlet temperature is selected 100 ℃ for use, and outlet temperature is selected 80 ℃ for use, makes tea product be water content less than 20% solid, powdery.
6, according to the preparation method of the described tea product of claim 1, it is characterized in that twice filtrate in the preparation method is merged, quiescent setting 24 hours discards precipitation, the supernatant bottling.
7, the liquid tea products that makes by the preparation method of the described tea product of claim 1.
8, the liquid tea products that makes by the preparation method of the described tea product of claim 6.
9, the paste tea products that makes by the preparation method of the described tea product of claim 3.
10, the solid, powdery tea products that makes by the preparation method of the described tea product of claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01131021 CN1130979C (en) | 2001-08-31 | 2001-08-31 | Process for preparing tea product and its product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01131021 CN1130979C (en) | 2001-08-31 | 2001-08-31 | Process for preparing tea product and its product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1356054A CN1356054A (en) | 2002-07-03 |
| CN1130979C true CN1130979C (en) | 2003-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01131021 Expired - Fee Related CN1130979C (en) | 2001-08-31 | 2001-08-31 | Process for preparing tea product and its product |
Country Status (1)
| Country | Link |
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| CN (1) | CN1130979C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA201070566A1 (en) | 2007-11-05 | 2010-10-29 | Унилевер Н.В. | METHOD OF CLEANING TEA CONNECTIONS |
| PT2207431E (en) | 2007-11-05 | 2011-07-01 | Unilever Nv | Process for manufacturing tea products and products obtainable thereby |
| AU2008324316B2 (en) | 2007-11-05 | 2012-02-16 | Unilever Plc | Process for manufacturing tea products |
| WO2011117075A1 (en) | 2010-03-25 | 2011-09-29 | Unilever Plc | Process for manufacturing tea products |
| PT2723184E (en) * | 2011-06-27 | 2015-07-02 | Unilever Nv | Process for manufacturing tea products |
| WO2013110642A1 (en) * | 2012-01-27 | 2013-08-01 | Unilever Plc | Process for manufacturing tea products |
| CN106135526A (en) * | 2016-07-06 | 2016-11-23 | 田春元 | A kind of cold water teabag drink and preparation method thereof to diabetes with treatment and health-care effect |
| CN111184094A (en) * | 2018-11-15 | 2020-05-22 | 内蒙古伊利实业集团股份有限公司 | Tea extraction method |
-
2001
- 2001-08-31 CN CN 01131021 patent/CN1130979C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1356054A (en) | 2002-07-03 |
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Effective date of registration: 20090313 Address after: Fujian province Ningde City Zhouning agricultural science and Technology Park Patentee after: Fujian Seian Food & Technology Co., Ltd. Address before: No. 6, Jiaocheng North Road, Ningde, Fujian Patentee before: Zhou Shaoqian |
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Owner name: FUJIAN XIANYANGYANG FOOD SCIENCE AND TECHNOLOGY CO Free format text: FORMER OWNER: ZHOU SHAOQIAN Effective date: 20090313 |
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Granted publication date: 20031217 Termination date: 20160831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |