CN104770530A - Preparation method of mallotus oblongifolius (miq.) muell.-arg matcha - Google Patents
Preparation method of mallotus oblongifolius (miq.) muell.-arg matcha Download PDFInfo
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Abstract
The invention provides a preparation method of mallotus oblongifolius (miq.) muell.-arg matcha. The method comprises the following steps: picking, dehumidifying, steaming, cooling, beating leaves, twisting roughly, twisting, twisting secondarily, twisting finely, drying, cutting tea leaves and grinding. The preparation method provided by the invention is simple, is low in cost, is environmentally friendly, and is adaptive to commercial production; the mallotus oblongifolius (miq.) muell.-arg matcha treated by the method has the moisture less than or equal to 6.0%, has the total ash content less than or equal to 7.0%, has the rough fibers less than or equal to 16.0%, has the granularity greater than or equal to 200 meshes, has the aqueous extract greater than or equal to 36.0%, accords with the quality standard of the domestic and abroad tea selling countries and the GB 9679-88 tea leaf hygienic standard, is safe mallotus oblongifolius (miq.) muell.-arg matcha, and has a good application prospect.
Description
Technical field
The present invention relates to field of food, be specifically related to food-processing method, particularly a kind of francolin tea smears the preparation method of tea.
Background technology
Smear tea (Matcha) in ancient times with natural stone mill be milled into ultra micro powdery, cover, steam blue or green green tea.Along with the development of industrialized producing technology, make to smear tea luxury goods in this ancient times and move towards ordinary populace.Smear tea and contain the necessary nutritional labeling of abundant human body and trace element, its main component is Tea Polyphenols, caffeine, free amino acid, chlorophyll, protein, aromatic substance, cellulose, vitamin C, vitamin A etc.The processing technology step of matcha powder is: high-quality fresh green tea, and steam blue or green, mill, ultramicro grinding, low temperature drying can obtain matcha powder.
Francolin tea (Mallotus furetianus), for Euphorbiaceae (Euphorbiaceae) Mallotus (MallotusLour.) plant, the edible history of more than one thousand years is had in Hainan, mainly be distributed in the mountain area in Hainan, hills and coastal area, especially with Dongshan Ridge, Wanning for containing, be Hainan a kind of have national characters and region feature for tea beverage plant and medicinal plant.Francolin tealeaves circle taste is sweet, is a kind of peculiar wild tealeaves.This tea is sweet ice-cold tasty and refreshing, and has the medicine of smelling good fragrant, has the effect of clearing heat and detoxicating, the cholagogic that helps digestion, step-down, fat-reducing, invigorating the spleen, nourishing the stomach, also can prevent curing cold, be described as " polyporus lucidus " by the successive dynasties men of literature and writing.
Francolin tea plant with holy basil (a species of orchid grass, smoke grass, because it is at zero mound fecund, therefore be commonly called as holy basil, fragrant odour, for the famous spices of Ancient Times in China) taste, the leaf of Hainan resident's custom francolin tea is made tea, and to separate greasy, aid digestion, heat of relieving summer heat, anti-flu, strengthening spleen and nourishing stomach can also be used for anticorrosion.
Rather simple at the conventional fabrication method of Hainan francolin tea among the people: from mountain, francolin tea blade band branch to be adopted back in the lump, then blade is taken piecewise, and be rolled into spherical " the tealeaves group " that diameter is about 4-5cm, be torn into elongate strips with the blade of coco again to tighten, then again 15-20 being rolled into a ball such francolin tea blade spherical " tealeaves group " conspires to create miniliform a string, dry after or air-dry after product.
At present, the commodity of Hainan francolin tea also rest on the most original primary product stage, and these Product Process are simple, and form is single, and added value is low, can not ensure product quality and safety, is also unfavorable for francolin tea industrialized development.Therefore, processing technology and products thereof the form of francolin tealeaves is badly in need of promoting and transformation.
Summary of the invention
In view of the deficiencies in the prior art, the present invention is by experimental study, and provide the preparation method that a kind of francolin tea smears tea, described preparation method is easy and simple to handle, and security is high, and nutrient loss rate reduces, and has good market application foreground.
The invention provides the preparation method that a kind of francolin tea smears tea, comprise the steps:
1) pluck: when francolin tea leaf bud launches 3 leaf, select shading rate be 60% ~ 70% sunshade net hide, when the exhibition of francolin tea leaf bud is to 5 leaf, sunshade net is opened, grow 2 days ~ 5 days in the sun, then with shading rate be 70% ~ 80% sunshade net francolin tea leaf bud is covered, pluck and obtain francolin tealeaves after 2 days ~ 5 days.
2) dehumidify: shakeout by described francolin tealeaves and carry out dehumidification treatments, leaf-spreading thickness is 2cm ~ 3cm, and every 20min ~ 40min stirs once, and the dehumidifying time is 3h ~ 7h.
3) green grass or young crops is steamed: carried out by the francolin tealeaves through dehumidification treatments steaming blue or green process, steaming blue or green temperature is 120 DEG C ~ 130 DEG C, and steaming the blue or green time is 2min ~ 10min.
4) cool: the francolin tealeaves through steaming blue or green process is carried out cooling processing, and chilling temperature is 0 DEG C ~ 5 DEG C, and cool time is 0.5min ~ 2min.
5) leaf is beaten: the francolin tealeaves through cooling processing is carried out leaf and plays process, and it is 22 DEG C ~ 27 DEG C that leaf beats temperature, and the leaf time of beating is 2min ~ 10min.
6) slightly rub: the francolin tealeaves playing process through leaf is slightly rubbed process, slightly rubbing temperature is 20 DEG C ~ 40 DEG C, and slightly the time of rubbing is 1min ~ 3min.
7) knead: carried out kneading process by the francolin tealeaves through slightly rubbing process, kneading temperature is 20 DEG C ~ 40 DEG C, and the time of kneading is 2min ~ 4min.
8) rub in: in being carried out by the francolin tealeaves through kneading process, rub process, in rub temperature be 20 DEG C ~ 40 DEG C, in the time of rubbing be 2min ~ 6min.
9) essence is rubbed: the francolin tealeaves rubbing process in process is carried out essence and rubs process, and it is 20 DEG C ~ 40 DEG C that essence rubs temperature, and the essence time of rubbing is 5min ~ 10min.
10) dry: the francolin tealeaves rubbing process through essence is carried out drying and processing, and bake out temperature is 60 DEG C ~ 120 DEG C, and drying time is 10min ~ 30min, after oven dry, francolin tealeaves is cooled to 20 DEG C ~ 40 DEG C.
11) tea is cut: carried out cutting tea process by the francolin tealeaves being cooled to 20 DEG C ~ 40 DEG C after drying, described francolin tealeaves is cut into the francolin tealeaves silver that length is 0.5cm ~ 1cm.
12) grind: the francolin tealeaves silver through cutting tea process is carried out milled processed, and grinding temperature is 15 DEG C ~ 20 DEG C, and milling time is 20min ~ 40min, is ground to 200 order ~ 1200 orders, obtains francolin tea and smear tea.
Further, described step 2) in, the dehumidifying time is 4h ~ 6h.
Further, described step 3) in, steaming blue or green temperature is 125 DEG C ~ 130 DEG C.
Beneficial effect of the present invention: preparation method of the present invention is simple, cost is low, environmentally friendly, be suitable for merchandized handling, francolin tea through this method process smears tea, meet and sell inside and outside tea state quality standard and GB9679-88 tealeaves sanitary standard, be a kind of safe francolin green tea, have a good application prospect.
Detailed description of the invention
Now further describe the present invention by following examples, embodiment only for the object of illustration, does not limit the scope of the invention, and the simultaneously apparent change made according to the present invention of those of ordinary skill in the art and modification are also contained within the scope of the invention.
Embodiment 1
1) pluck: when francolin tea leaf bud launches 3 leaf, select shading rate be 70% sunshade net hide, when the exhibition of francolin tea leaf bud is to 5 leaf, sunshade net is opened, grow 2 days in the sun, then with shading rate be 70% sunshade net francolin tea leaf bud is covered, pluck and obtain francolin tealeaves after 2 days.
2) dehumidify: shakeout on the flat board that air blast is housed by described francolin tealeaves, carry out dehumidification treatments, leaf-spreading thickness is 2cm, and every 20min stirs once, and the dehumidifying time is 3h.
3) steam green grass or young crops: the francolin tealeaves through dehumidification treatments is put into swinging steaming machine, carry out steaming blue or green process, steaming blue or green temperature is 120 DEG C, and steaming the blue or green time is 2min.
4) cool: the francolin tealeaves through steaming blue or green process is put into cooler, and carry out cooling processing, chilling temperature is 0 DEG C, and cool time is 0.5min.
5) leaf is beaten: the francolin tealeaves through cooling processing is put into leaf treating machine, carries out leaf and plays process, and it is 22 DEG C ~ 27 DEG C that leaf beats temperature, and the leaf time of beating is 2min.
6) slightly rub: the francolin tealeaves playing process through leaf is put into rough kneading machine, slightly rubs process, slightly rubbing temperature is 20 DEG C, and slightly the time of rubbing is 1min.
7) kneading: the francolin tealeaves through slightly rubbing process is put into kneading machine, carrying out kneading process, kneading temperature is 20 DEG C, and the time of kneading is 2min.
8) rub in: the francolin tealeaves through kneading process being put into middle rubbing machien, in carrying out, rubbing process, in rub temperature be 20 DEG C, in the time of rubbing be 2min.
9) essence is rubbed: the francolin tealeaves rubbing process in process is put into rubbing machine, carries out essence and rubs process, and it is 20 DEG C that essence rubs temperature, and the essence time of rubbing is 5min.
10) dry: the francolin tealeaves rubbing process through essence is put into dryer, and carry out drying and processing, bake out temperature is 60 DEG C, and drying time is 10min, is shakeout by francolin tealeaves after oven dry, drying in the air at normal temperatures is coolly cooled to 20 DEG C.
11) tea is cut: the francolin tealeaves being cooled to 20 DEG C after drying is put into spiral tea-cutting machine, carries out cutting tea process, described francolin tealeaves is cut into the francolin tealeaves silver that length is 0.5cm.
12) grind: the francolin tealeaves silver through cutting tea process is put into pulverizer, and carry out milled processed, grinding temperature is 15 DEG C, and milling time is 20min, is ground to 200 orders, obtains francolin tea and smears tea.
Embodiment 2
1) pluck: when francolin tea leaf bud launches 3 leaf, select shading rate be 70% sunshade net hide, when the exhibition of francolin tea leaf bud is to 5 leaf, sunshade net is opened, grow 3 days in the sun, then with shading rate be 70% sunshade net francolin tea leaf bud is covered, pluck and obtain francolin tealeaves after 3 days.
2) dehumidify: shakeout on the flat board that air blast is housed by described francolin tealeaves, carry out dehumidification treatments, leaf-spreading thickness is 3cm, and every 40min stirs once, and the dehumidifying time is 5h.
3) steam green grass or young crops: the francolin tealeaves through dehumidification treatments is put into swinging steaming machine, carry out steaming blue or green process, steaming blue or green temperature is 130 DEG C, and steaming the blue or green time is 10min.
4) cool: the francolin tealeaves through steaming blue or green process is put into cooler, and carry out cooling processing, chilling temperature is 5 DEG C, and cool time is 2min.
5) leaf is beaten: the francolin tealeaves through cooling processing is put into leaf treating machine, carries out leaf and plays process, and it is 27 DEG C that leaf beats temperature, and the leaf time of beating is 10min.
6) slightly rub: the francolin tealeaves playing process through leaf is put into rough kneading machine, slightly rubs process, slightly rubbing temperature is 40 DEG C, and slightly the time of rubbing is 3min.
7) kneading: the francolin tealeaves through slightly rubbing process is put into kneading machine, carrying out kneading process, kneading temperature is 40 DEG C, and the time of kneading is 4min.
8) rub in: the francolin tealeaves through kneading process being put into middle rubbing machien, in carrying out, rubbing process, in rub temperature be 40 DEG C, in the time of rubbing be 6min.
9) essence is rubbed: the francolin tealeaves rubbing process in process is put into rubbing machine, carries out essence and rubs process, and it is 40 DEG C that essence rubs temperature, and the essence time of rubbing is 10min.
10) dry: the francolin tealeaves rubbing process through essence is put into dryer, and carry out drying and processing, bake out temperature is 120 DEG C, and drying time is 30min, is shakeout by francolin tealeaves after oven dry, drying in the air at normal temperatures is coolly cooled to 40 DEG C.
11) tea is cut: the francolin tealeaves being cooled to 40 DEG C after drying is put into spiral tea-cutting machine, carries out cutting tea process, described francolin tealeaves is cut into the francolin tealeaves silver that length is 1cm.
12) grind: the francolin tealeaves silver through cutting tea process is put into pulverizer, and carry out milled processed, grinding temperature is 20 DEG C, and milling time is 40min, is ground to 1200 orders, obtains francolin tea and smears tea.
Embodiment 3
1) pluck: when francolin tea leaf bud launches 3 leaf, select shading rate be 65% sunshade net hide, when the exhibition of francolin tea leaf bud is to 5 leaf, sunshade net is opened, grow 3 days in the sun, then with shading rate be 75% sunshade net francolin tea leaf bud is covered, pluck and obtain francolin tealeaves after 3 days.
2) dehumidify: shakeout on the flat board that air blast is housed by described francolin tealeaves, carry out dehumidification treatments, leaf-spreading thickness is 2.5cm, and every 25min stirs once, and the dehumidifying time is 3.5h.
3) steam green grass or young crops: the francolin tealeaves through dehumidification treatments is put into swinging steaming machine, carry out steaming blue or green process, steaming blue or green temperature is 125 DEG C, and steaming the blue or green time is 4min.
4) cool: the francolin tealeaves through steaming blue or green process is put into cooler, and carry out cooling processing, chilling temperature is 3 DEG C, and cool time is 1min.
5) leaf is beaten: the francolin tealeaves through cooling processing is put into leaf treating machine, carries out leaf and plays process, and it is 25 DEG C that leaf beats temperature, and the leaf time of beating is 5min.
6) slightly rub: the francolin tealeaves playing process through leaf is put into rough kneading machine, slightly rubs process, slightly rubbing temperature is 25 DEG C, and slightly the time of rubbing is 2min.
7) kneading: the francolin tealeaves through slightly rubbing process is put into kneading machine, carrying out kneading process, kneading temperature is 25 DEG C, and the time of kneading is 3min.
8) rub in: the francolin tealeaves through kneading process being put into middle rubbing machien, in carrying out, rubbing process, in rub temperature be 25 DEG C, in the time of rubbing be 4min.
9) essence is rubbed: the francolin tealeaves rubbing process in process is put into rubbing machine, carries out essence and rubs process, and it is 25 DEG C that essence rubs temperature, and the essence time of rubbing is 7min.
10) dry: the francolin tealeaves rubbing process through essence is put into dryer, and carry out drying and processing, bake out temperature is 80 DEG C, and drying time is 20min, is shakeout by francolin tealeaves after oven dry, drying in the air at normal temperatures is coolly cooled to 25 DEG C.
11) tea is cut: the francolin tealeaves being cooled to 25 DEG C after drying is put into spiral tea-cutting machine, carries out cutting tea process, described francolin tealeaves is cut into the francolin tealeaves silver that length is 0.7cm.
12) grind: the francolin tealeaves silver through cutting tea process is put into pulverizer, and carry out milled processed, grinding temperature is 17 DEG C, and milling time is 25min, is ground to 600 orders, obtains francolin tea and smears tea.
Embodiment 4
1) pluck: when francolin tea leaf bud launches 3 leaf, select shading rate be 65% sunshade net hide, when the exhibition of francolin tea leaf bud is to 5 leaf, sunshade net is opened, grow 5 days in the sun, then with shading rate be 75% sunshade net francolin tea leaf bud is covered, pluck and obtain francolin tealeaves after 5 days.
2) dehumidify: shakeout on the flat board that air blast is housed by described francolin tealeaves, carry out dehumidification treatments, leaf-spreading thickness is 2.7cm, and every 30min stirs once, and the dehumidifying time is 4h.
3) steam green grass or young crops: the francolin tealeaves through dehumidification treatments is put into swinging steaming machine, carry out steaming blue or green process, steaming blue or green temperature is 128 DEG C, and steaming the blue or green time is 6min.
4) cool: the francolin tealeaves through steaming blue or green process is put into cooler, and carry out cooling processing, chilling temperature is 4 DEG C, and cool time is 1.5min.
5) leaf is beaten: the francolin tealeaves through cooling processing is put into leaf treating machine, carries out leaf and plays process, and it is 25 DEG C that leaf beats temperature, and the leaf time of beating is 8min.
6) slightly rub: the francolin tealeaves playing process through leaf is put into rough kneading machine, slightly rubs process, slightly rubbing temperature is 30 DEG C, and slightly the time of rubbing is 1.5min.
7) kneading: the francolin tealeaves through slightly rubbing process is put into kneading machine, carrying out kneading process, kneading temperature is 30 DEG C, and the time of kneading is 3.5min.
8) rub in: the francolin tealeaves through kneading process being put into middle rubbing machien, in carrying out, rubbing process, in rub temperature be 30 DEG C, in the time of rubbing be 5min.
9) essence is rubbed: the francolin tealeaves rubbing process in process is put into rubbing machine, carries out essence and rubs process, and it is 30 DEG C that essence rubs temperature, and the essence time of rubbing is 9min.
10) dry: the francolin tealeaves rubbing process through essence is put into dryer, and carry out drying and processing, bake out temperature is 100 DEG C, and drying time is 25min, is shakeout by francolin tealeaves after oven dry, drying in the air at normal temperatures is coolly cooled to 35 DEG C.
11) tea is cut: the francolin tealeaves being cooled to 35 DEG C after drying is put into spiral tea-cutting machine, carries out cutting tea process, described francolin tealeaves is cut into the francolin tealeaves silver that length is 0.5cm ~ 1cm.
12) grind: the francolin tealeaves silver through cutting tea process is put into pulverizer, and carry out milled processed, grinding temperature is 19 DEG C, and milling time is 30min, is ground to 800 orders, obtains francolin tea and smears tea.
Embodiment 5
1) pluck: when francolin tea leaf bud launches 3 leaf, select shading rate be 60% ~ 70% sunshade net hide, when the exhibition of francolin tea leaf bud is to 5 leaf, sunshade net is opened, grow 2 days ~ 5 days in the sun, then with shading rate be 70% ~ 80% sunshade net francolin tea leaf bud is covered, pluck and obtain francolin tealeaves after 2 days ~ 5 days.
2) dehumidify: shakeout on the flat board that air blast is housed by described francolin tealeaves, carry out dehumidification treatments, leaf-spreading thickness is 2cm, and every 35min stirs once, and the dehumidifying time is 4.5h.
3) steam green grass or young crops: the francolin tealeaves through dehumidification treatments is put into swinging steaming machine, carry out steaming blue or green process, steaming blue or green temperature is 120 DEG C, and steaming the blue or green time is 8min.
4) cool: the francolin tealeaves through steaming blue or green process is put into cooler, and carry out cooling processing, chilling temperature is 4.5 DEG C, and cool time is 2min.
5) leaf is beaten: the francolin tealeaves through cooling processing is put into leaf treating machine, carries out leaf and plays process, and it is 25 DEG C that leaf beats temperature, and the leaf time of beating is 9min.
6) slightly rub: the francolin tealeaves playing process through leaf is put into rough kneading machine, slightly rubs process, slightly rubbing temperature is 35 DEG C, and slightly the time of rubbing is 2min.
7) kneading: the francolin tealeaves through slightly rubbing process is put into kneading machine, carrying out kneading process, kneading temperature is 35 DEG C, and the time of kneading is 3min.
8) rub in: the francolin tealeaves through kneading process being put into middle rubbing machien, in carrying out, rubbing process, in rub temperature be 35 DEG C, in the time of rubbing be 5min.
9) essence is rubbed: the francolin tealeaves rubbing process in process is put into rubbing machine, carries out essence and rubs process, and it is 35 DEG C that essence rubs temperature, and the essence time of rubbing is 9min.
10) dry: the francolin tealeaves rubbing process through essence is put into dryer, and carry out drying and processing, bake out temperature is 110 DEG C, and drying time is 28min, is shakeout by francolin tealeaves after oven dry, drying in the air at normal temperatures is coolly cooled to 30 DEG C.
11) tea is cut: the francolin tealeaves being cooled to 30 DEG C after drying is put into spiral tea-cutting machine, carries out cutting tea process, described francolin tealeaves is cut into the francolin tealeaves silver that length is 0.5cm.
12) grind: the francolin tealeaves silver through cutting tea process is put into pulverizer, and carry out milled processed, grinding temperature is 19 DEG C, and milling time is 35min, is ground to 1000 orders, obtains francolin tea and smears tea.
Embodiment 6
1) pluck: when francolin tea leaf bud launches 3 leaf, select shading rate be 60% sunshade net hide, when the exhibition of francolin tea leaf bud is to 5 leaf, sunshade net is opened, grow 3 days in the sun, then with shading rate be 70% ~ 80% sunshade net francolin tea leaf bud is covered, pluck and obtain francolin tealeaves after 3 days.
2) dehumidify: shakeout on the flat board that air blast is housed by described francolin tealeaves, carry out dehumidification treatments, leaf-spreading thickness is 2cm, and every 30min stirs once, and the dehumidifying time is 7h.
3) steam green grass or young crops: the francolin tealeaves through dehumidification treatments is put into swinging steaming machine, carry out steaming blue or green process, steaming blue or green temperature is 130 DEG C, and steaming the blue or green time is 9min.
4) cool: the francolin tealeaves through steaming blue or green process is put into cooler, and carry out cooling processing, chilling temperature is 3 DEG C, and cool time is 1min.
5) leaf is beaten: the francolin tealeaves through cooling processing is put into leaf treating machine, carries out leaf and plays process, and it is 25 DEG C that leaf beats temperature, and the leaf time of beating is 4min.
6) slightly rub: the francolin tealeaves playing process through leaf is put into rough kneading machine, slightly rubs process, slightly rubbing temperature is 26 DEG C, and slightly the time of rubbing is 3min.
7) kneading: the francolin tealeaves through slightly rubbing process is put into kneading machine, carrying out kneading process, kneading temperature is 26 DEG C, and the time of kneading is 3min.
8) rub in: the francolin tealeaves through kneading process being put into middle rubbing machien, in carrying out, rubbing process, in rub temperature be 26 DEG C, in the time of rubbing be 3min.
9) essence is rubbed: the francolin tealeaves rubbing process in process is put into rubbing machine, carries out essence and rubs process, and it is 26 DEG C that essence rubs temperature, and the essence time of rubbing is 3min.
10) dry: the francolin tealeaves rubbing process through essence is put into dryer, and carry out drying and processing, bake out temperature is 115 DEG C, and drying time is 20min, is shakeout by francolin tealeaves after oven dry, drying in the air at normal temperatures is coolly cooled to 35 DEG C.
11) tea is cut: the francolin tealeaves being cooled to 35 DEG C after drying is put into spiral tea-cutting machine, carries out cutting tea process, described francolin tealeaves is cut into the francolin tealeaves silver that length is 1cm.
12) grind: the francolin tealeaves silver through cutting tea process is put into pulverizer, and carry out milled processed, grinding temperature is 19 DEG C, and milling time is 20min, is ground to 400 orders, obtains francolin tea and smears tea.
Existing matcha powder process technology controls the defect in undesirable, product quality for the content of the moisture in matcha powder, water extraction, reasonably optimizing of the present invention preparation technology, select that 12 procedures are refining to be formed francolin tea and smear tea, under the prerequisite ensureing the effective nutrition composition of francolin tealeaves, effectively improve the quality that francolin tea smears tea product, solve existing defect of smearing in tea technology and francolin tea processing technology.
Smear tea modern study to show, the main nutrient composition of smearing tea is Tea Polyphenols, caffeine, free amino acid, chlorophyll, each biostearin etc.Wherein the tea outward appearance of smearing of high-quality presents emerald green, mainly because the result of amino acid and chlorophyll a large amount of precipitation in tealeaves, Tea Polyphenols is the general name of polyphenol substance in tealeaves, is a kind of natural antioxidant, is the nutritional labeling with health role that modern admits.And the serial reactions such as non-enzymatic oxidation reaction easily occur Tea Polyphenols, easily make to smear tea and occur flavescence, browning or redden, tea exterior quality is smeared in impact.The present invention smears the principle of tea nutrient loss in line with reducing francolin tea, improve the product quality that francolin tea smears tea.
Contrast test arranges following contrast groups
Contrast groups
With reference to francolin tealeaves traditional handicraft: from mountain, francolin tea blade band branch is adopted back in the lump, then blade is taken piecewise, and be rolled into spherical " the tealeaves group " that diameter is about 4 ~ 5cm, be torn into elongate strips with the blade of coco again to tighten, then again 15 ~ 20 such francolin tea blades spherical " tealeaves group " are conspired to create miniliform a string, after drying or air-dry after product.By products obtained therefrom blade, through cutting tea process, put into pulverizer and carry out milled processed, grinding temperature is the constant temperature of 19 DEG C, and milling time is 30min.
The product composition that preparation method of the present invention obtains detects
One, detection method
Francolin tea smears tea sensory evaluation method: the francolin tea taking embodiment 1 ~ 6 respectively obtained smears each 3.0g of tea, bowl is evaluated with the ceramic whiteware that volume is 200mL, 5min is brewed with the boiling water of 150mL 80 DEG C, evaluate tea sample, profile 30%, endoplasm 70% (soup look 10%, fragrance 30%, flavour 30%), with marking, the method combined with comment reflects its quality, with reference to " tea judgement and inspection " the 3rd edition and GBT 23776-2009 (tealeaves sensory review method).
Physical and chemical index measures: francolin tea smears water lixivium reference GBT 8305-2013 in tea, francolin tea is smeared total ash in tea and is measured with reference to GB/T 8306-2013, francolin tea smears determination of moisture reference GBT8304-2013 in tea, francolin tea is smeared crude fiber content in tea and is measured with reference to GBT8310-2013, and francolin tea smears tea granulometry with reference to GB/T19077.1-2008 grain size analysis.Sterilization irradiation dose with 1,2 and 4kGy, health product quality detection has arsenic, lead, copper, total number of bacteria, mould and Escherichia coli.
Two, result
Embodiment group compares with contrast groups
Table 1
Mark in table 1, the respective accounting of total score is: profile 30%, endoplasm 70% (soup look 10%, fragrance 30%, flavour 30%)
Table 2
| Group | Moisture | Total ash | Crude fibre | Granularity | Water extraction |
| Embodiment 1 | 5.7 | 6.3 | 12.5 | 600 | 37.6 |
| Embodiment 2 | 4.5 | 4.8 | 8.4 | 800 | 42.4 |
| Embodiment 3 | 5.6 | 6.7 | 10.6 | 500 | 36.2 |
| Embodiment 4 | 5.2 | 6.4 | 8.8 | 600 | 37.8 |
| Embodiment 5 | 5.8 | 5.5 | 12.8 | 700 | 39.1 |
| Embodiment 6 | 4.9 | 5.1 | 11.4 | 500 | 35.4 |
| Contrast groups | 6.1 | 6.5 | 15.5 | 300 | 32.8 |
Unit in table 2 is (/ %)
To sum up, preparation method provided by the invention is simple, and cost is low, environmentally friendly, be suitable for merchandized handling, the francolin tea through this method process smears tea, moisture≤6.0%, total ash≤7.0%, crude fibre≤16.0%, granularity >=200 order, water extraction >=36.0%, meet and sell inside and outside tea state quality standard and GB 9679-88 tealeaves sanitary standard, be that a kind of safe francolin tea smears tea, have a good application prospect.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. francolin tea smears a preparation method for tea, it is characterized in that, comprises the following steps:
1) pluck: when francolin tea leaf bud launches 3 leaf, select shading rate be 60% ~ 70% sunshade net hide, when the exhibition of francolin tea leaf bud is to 5 leaf, sunshade net is opened, grow 2 days ~ 5 days in the sun, then with shading rate be 70% ~ 80% sunshade net francolin tea leaf bud is covered, pluck and obtain francolin tealeaves after 2 days ~ 5 days;
2) dehumidify: shakeout by described francolin tealeaves and carry out dehumidification treatments, leaf-spreading thickness is 2cm ~ 3cm, and every 20min ~ 40min stirs once, and the dehumidifying time is 3h ~ 7h;
3) green grass or young crops is steamed: carried out by the francolin tealeaves through dehumidification treatments steaming blue or green process, steaming blue or green temperature is 120 DEG C ~ 130 DEG C, and steaming the blue or green time is 2min ~ 10min;
4) cool: the francolin tealeaves through steaming blue or green process is carried out cooling processing, and chilling temperature is 0 DEG C ~ 5 DEG C, and cool time is 0.5min ~ 2min;
5) leaf is beaten: the francolin tealeaves through cooling processing is carried out leaf and plays process, and it is 22 DEG C ~ 27 DEG C that leaf beats temperature, and the leaf time of beating is 2min ~ 10min;
6) slightly rub: the francolin tealeaves playing process through leaf is slightly rubbed process, slightly rubbing temperature is 20 DEG C ~ 40 DEG C, and slightly the time of rubbing is 1min ~ 3min;
7) knead: carried out kneading process by the francolin tealeaves through slightly rubbing process, kneading temperature is 20 DEG C ~ 40 DEG C, and the time of kneading is 2min ~ 4min;
8) rub in: in being carried out by the francolin tealeaves through kneading process, rub process, in rub temperature be 20 DEG C ~ 40 DEG C, in the time of rubbing be 2min ~ 6min;
9) essence is rubbed: the francolin tealeaves rubbing process in process is carried out essence and rubs process, and it is 20 DEG C ~ 40 DEG C that essence rubs temperature, and the essence time of rubbing is 5min ~ 10min;
10) dry: the francolin tealeaves rubbing process through essence is carried out drying and processing, and bake out temperature is 60 DEG C ~ 120 DEG C, and drying time is 10min ~ 30min, after oven dry, francolin tealeaves is cooled to 20 DEG C ~ 40 DEG C;
11) tea is cut: carried out cutting tea process by the francolin tealeaves being cooled to 20 DEG C ~ 40 DEG C after drying, described francolin tealeaves is cut into the francolin tealeaves silver that length is 0.5cm ~ 1cm;
12) grind: the francolin tealeaves silver through cutting tea process is carried out milled processed, and grinding temperature is 15 DEG C ~ 20 DEG C, and milling time is 20min ~ 40min, is ground to 200 order ~ 1200 orders, obtains francolin tea and smear tea.
2. a kind of francolin tea as claimed in claim 1 smears the preparation method of tea, it is characterized in that, described step 2) in, the dehumidifying time is 4h ~ 6h.
3. a kind of francolin tea as claimed in claim 1 smears the preparation method of tea, it is characterized in that, described step 3) in, steaming blue or green temperature is 125 DEG C ~ 130 DEG C.
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Application publication date: 20150715 |