CN102948502B - Preparation technology of high mountain oolong tea - Google Patents
Preparation technology of high mountain oolong tea Download PDFInfo
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- CN102948502B CN102948502B CN 201210505353 CN201210505353A CN102948502B CN 102948502 B CN102948502 B CN 102948502B CN 201210505353 CN201210505353 CN 201210505353 CN 201210505353 A CN201210505353 A CN 201210505353A CN 102948502 B CN102948502 B CN 102948502B
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Abstract
The invention provides a preparation technology of high mountain oolong tea, which comprises the following steps of: carrying out the sun withering of a sun withering shed and the withering in a constant-temperature and humidity ventilating chamber on fresh leaves of tea trees which grow at the elevation which is more than 1900 meters, rocking of green leaf, cooling of green leaf, killing out, twisting, easing back, pacing balls, drying, carrying out stalk extraction, screening, baking, cooling in a spreading way and packing to prepare the finished product. The sun withering technology of thesun withering shed and the withering in the constant-temperature and humidity ventilating chamber are adopted in the process of withering, the fresh leaves can be preferably dried in a spreading way to keep the optimized temperature, the upper ventilation and the lower ventilation can be carried out, the withering efficiency can be improved, the higher-quality tea which accords with the food sanitary standard can be provided, the difficulty of the sun withering caused by the rainy days in the processing season at a high mountain oolong tea growing region can be solved, the difficulty that thesun withering is overlong in withering time caused by large temperature difference in the morning and in the evening can be solved, the tea processed by the sun withering shed is stable in quality, high in yield, jade green in color and luster when being dry, honey, green and light in liquor color, and fragrant. Furthermore, the preparation technology is simple to operate, and the labor conditionof processors can be greatly improved as well.
Description
Technical field
The present invention relates to a kind of manufacture craft of high mountain oolong tea.
Background technology
The high mountain oolong tea is in first process processed, and fresh leaf must derive from the tea tree planting district of height above sea level more than 1900 meters, is to determine high mountain oolong tea quality key point, and low height above sea level oolong tea does not just have the quality of high mountain oolong tea; Secondly in process, utilize solar wither canopy solar wither not to be subjected to weather and climatic influences, improve mountain oolong tea flavour and fragrance, solved high mountain oolong tea growing area, processing is rainy and because the morning and evening temperature difference is big season, brings long difficulty of solar wither time spent.And be subjected to weather and climatic influences in traditional manufacture craft, cause the high mountain oolong tea quality of making can not keep its distinctive tea fragrance and exclusive high mountain flavor.
Summary of the invention
The object of the present invention is to provide a kind of manufacture craft of high mountain oolong tea, mainly be to control by fresh leaf, in the process of withering, adopt the solar wither canopy to carry out solar wither, method by control temperature, humidity and ventilation is effectively regulated the condition of withering, thereby makes the high mountain oolong tea quality of making keep its distinctive tea fragrance and high mountain flavor.
The present invention is achieved through the following technical solutions:
A kind of manufacture craft of high mountain oolong tea is characterized in that step is as follows:
(1) raw material is the fresh leaves of tea plant that height above sea level is not less than 1900 meters area production;
(2) the bright leaf of Cai Zhaiing solar wither in the solar wither canopy, described solar wither canopy by several around the position the insulation film support column, bottom surface abase frame that the cross bar between the support column constitutes and between support column top overhead the insulation film support of certain altitude make up, the insulation film that transparent fabric is made is connected the insulation film support all around; Be positioned at insulation film support top and connect a sunshade net support, connect the network structure layer that is used for tedding tealeaves between the abase frame of bottom surface, the network structure layer is mounted on the peripheral cross bar, and ventilation fan and dehumidifier are installed in the solar wither canopy; In the process of withering, the control temperature was withered 20～60 minutes at 22 ℃-27 ℃;
(3) in constant temperature and humidity ventilation wither indoors, ventilation fan and dehumidifier are installed by described constant temperature and humidity draft chamber around the frame that withers, and extension thermometer and hygrometer, the frame top equipment that installs an air-conditioner withers, around the frame that withers, seal with insulation film then, according to thermometer and hygrometer temperature displayed and humidity, the air-conditioning equipment control indoor temperature and humidity that utilizes the frame top of withering to install, the control dehumidifier carries out hydrofuge and ventilation fan carries out ventilation; In the wither indoors process, the temperature of withering in the room that withers is 22 ℃ ± 2 ℃, and wither indoors relative humidity is 60%～70%, keeps certain ventilation condition in the room that withers, and imports outdoor fresh air, to reduce tealeaves air-conditioning flavor;
(4) the bright leaf after will withering is put into vibration machine, and 4-5min is shaken in the start rotation, and rotating speed is 25-30 commentaries on classics/min;
(5) bright leaf is regained indoor spreading for cooling, 2-4 centimetres of leaf-spreading thicknesses, indoor temperature control is at 22-25 ℃, time 6-10 hour;
(6) utilize green-keeping machine to complete, temperature is controlled at 250-300 ℃;
(7) with the cooking-pot type kneading machine rub 10-25 change after, spread out in sieve frame profit last time;
(8) utilize the stainless steel bucket that eases back to ease back, vexed 10 minutes of heat, earlier vexed back is saturating, and Hui Run then takes the dish out of the pot;
(9) bag ball: utilize fast chartered plane, lotus flower machine, the machine that deblocks, purl machine, frying pan and automatic drier to wrap ball, rolling 30-32 time; Form until spheric granules; Treat that most tealeaves are perfectly round ball shape, end, sufficient fire drying are deblocked, are cut in cooling back packing typing 3-5 hours again;
(10) drying: with curing on the full automatic drying machine, the dryer temperature is 100-130 ℃, cures 5-8min, behind the spreading for cooling moisture regain 15-20min, repeats to cure once spreading for cooling more again; Put into the dried Titian of fragrance extracting machine foot then, put into 10-20kg at every turn, 130 ± 5 ℃ of intake air temperatures cure 20-25min, dry by the fire to twist with the fingers the tea grain to hand and become powder, and its water content is lower than at 5% o'clock, following machine spreading for cooling;
(11) operation is chosen and is picked, sieves, bakes and banks up with earth, spreading for cooling, is packaged to be finished product routinely.
The present invention adopts the solar wither canopy to carry out solar wither, is conducive to ted bright leaf and keeps optimum temperature, can ventilate up and down, improves wither efficient and quality, and the more high-quality tealeaves that meets food hygienic standard is provided; Solve high mountain oolong tea growing area, processed the rainy difficulty of bringing solar wither in season; It is big because of the morning and evening temperature difference to have solved solar wither, the difficulty that the time spent of withering is long; Use solar wither canopy solar wither and be not subjected to weather and climatic influences, construction structure is simple, installation, dismounting, convenient transportation; The tea leaf quality that application solar wither canopy solar wither is made is stable, makes excellent rate height, and dried dark brown pool is emerald green, and soup look honey is green bright, delicate fragrance Gao Rui, and also this technological operation is simple, and processing personnel's working condition is improved greatly.
Description of drawings:
Fig. 1 is solar wither booth structure simplified schematic diagram.
Fig. 2 is solar wither canopy stereogram.
Wherein: 1, sunshade net; 2, insulation film; 3, ventilation fan; 4, insulation film support column; 5, dehumidifier; 6, turnover bin gate; 7, sunshade net support; 8, insulation film support.
The specific embodiment
Withering is the critical process that high mountain oolong tea quality forms, operation by solar wither and wither indoors, impel bright leaf " to return to life from the nether world " and " moving back green grass or young crops ", thereby moisture and solubility inclusion in bright leaf spray and the vein are shifted to blade, and moisture progressively distributes by pore, and DDGS then is combined, is transformed with the blade inclusion, form the distinctive fragrance matter of high mountain oolong tea, the damage of leaf margin tissue appropriateness impels Tea Polyphenols part enzymatic oxidation simultaneously, thereby forms the peculiar quality of high mountain oolong tea.High mountain oolong tea quality and solar wither environment are closely related, solar wither is the best of high mountain oolong tea mode of withering, utilize luminous energy and heat energy to promote the leaf water evaporation, make the dehydration at short notice of bright leaf, the leaf cell substrate concentration is improved, promote the activation of enzyme, accelerate the chemical change of material in the leaf.Solar wither is of crucial importance to forming delicate fragrance type high mountain oolong tea fine quality, and solar wither is not enough or without the bright leaf of solar wither, and flavonoids, catechin degree of oxidation are low, the general green grass or young crops of millet paste color and luster; Solar wither is excessive, the partial blade red stain, and fragrance component reduces in the leaf, causes producing bad fragrance even bad change, therefore will set up good solar wither canopy, takes full advantage of the Nature resource to greatest extent, not only energy savings but also guarantee tea leaf quality.
The south of Fujian Province traditional oolong teas solar wither majority was undertaken by 5 o'clock in the afternoon in 4 o'clock.At this moment the sun casts oblique rays on; light is soft; sun mean radiation intensity just before midday 30%～50% of the back radiation intensity; and the large-scale production of modern oolong tea requires realization to advance the bright leaf of factory with advancing with solarization, also will guarantee the quality of withering of oolong tea simultaneously; this can only finish by the solar wither canopy; utilizing the sunshade rate is that 50%～70% sunshade net carries out " blocking sun-proof ", reduces intensity of solar radiation with this, makes the midday sun radiation also can reach the tradition requirement of withering.
Utilize solar wither canopy solar wither to improve 3～4 times than the tradition speed of withering, save site area more than 60%, solar wither canopy technology is grasped easily, and bright leaf does not contact to earth, sanitation and hygiene.Can also regulate the solar radiation intensity of withering according to season, weather, period flexible Application sunshade net, when the weather sweltering heat is dry, can take multiple modes such as few solarization, intermittently solarization, airing.
Embodiment: the manufacture craft of high mountain oolong tea
(1) raw material sources are in being planted in height above sea level 1900 above fresh leaves of tea plant;
(2) bright leaf standard: pluck the band bud or open the two leaves and a bud of face for a short time or a tenderer bud three leaves.Bright leaf requires to keep complete, the fresh and sanitation and hygiene of bright leaf, and bar is tender, and length is moderate, does not carry different foreign material secretly;
(3) plucking bright leaf directly enters to wither in the solar wither canopy after the factory and entered constant temperature and humidity ventilation wither indoors 20～60 minutes in 20～60 minutes again, bright leaf stand leaf amount in the solar wither canopy and in the constant temperature and humidity draft chamber is about 0.5 kilogram every square metre, temperature control is between 20 ℃-24 ℃, and relative humidity is 60%-65%.
(4) shake green grass or young crops: adopt 6WYQ-82 type oolong tea vibration machine to shake green grass or young crops, the good bright leaf that manually will wither is put into machine, each input amount 50-80kg, the start rotation is shaken 4-5min(according to the bright suitable control time of leaf amount), rotating speed is 25-30 commentaries on classics/min.
(5) air blue: will shine good bright leaf and regain indoor spreading for cooling, 2-4 centimetres of leaf-spreading thicknesses, temperature control is at 22-25 ℃, time 6-10 hour, treat sun flavor scatter and disappear the back thin spread out to put on the shelf in sieve leave standstill air blue.Environment is wanted sanitation and hygiene, cool place, aeration-drying;
(6) complete: the purpose that completes is to utilize high temperature to destroy the activity of doing enzyme in leafiness, prevents the enzymatic oxidation of Polyphenols, further distributes moisture green grass gas, and performance fragrance makes food value of leaf deliquescing, is convenient to rolling;
Adopt 6CWS-110 type Oolong tea maker to complete, temperature evenly reaches 230 ℃ in the green-keeping machine cylinder, and rotating speed is 34-37 commentaries on classics/min, manually evenly drop into bright leaf in the machine barrel that completes, each 10-15kg that drops into, bright leaf completes in tube and lasts 5-6min, goes out the machine airing then rapidly;
(7) knead: kneading purpose is further to destroy leaf cell, extrudes tea juice, with the solid profile that forms organic oolong tea and the flavour of promoting oolong tea.With the cooking-pot type kneading machine rub 10-25 change after, spread out in the sieve Hui Run that puts on the shelf.Ease back: ease back after completing, earlier vexed back is saturating, the Hui Run that takes the dish out of the pot then, each barrel 5-8 kilogram that eases back that drops into, vexed 10 minutes of heat;
(8) ease back: utilize the stainless steel bucket that eases back to ease back, earlier vexed back is saturating, the Hui Run that takes the dish out of the pot then, each barrel 5-8 kilogram that eases back that drops into, vexed 10 minutes of heat;
(9) bag ball: with cloth water-removing leaves is bundled into group, every 15kg one bag is placed on middle kneadding sth. made by twisting 2min on the 6CWSR-80 type Oolong tea messaging machine, dismisses sieve and goes to broken end, and spreading for cooling 3-5min repeats rolling totally 32 times.Look during this time and rub out the moisture situation, put into green-keeping machine and overdo under 180 ℃ temperature 3 times, transpiring moisture is in order to avoid inter-adhesive.This moment, the green-keeping machine rotary speed was 50 commentaries on classics/min, and the time of overdoing is 2min at every turn;
(10) drying: stage drying, cure Titian, keep original flavor, cure at 6CWH-9 type oolong tea dryer, bake out temperature is 100-130 ℃, it is 2cm that tealeaves advances machine thickness, cures 5-8min, behind the spreading for cooling moisture regain 15-20min, repeats to cure once spreading for cooling more again; Put into the dried Titian of 6CH7/6.0 oolong tea fragrance extracting machine foot then.Put into 10-20kg at every turn, 130 ℃ ± 5 ℃ of intake air temperatures, rotating speed is 60 commentaries on classics/min, cures 20-25min, dries by the fire to twist with the fingers the tea grain to hand and become powder, its water content is lower than at 5% o'clock, following machine spreading for cooling;
(11) operation is chosen and is picked, sieves, bakes and banks up with earth, spreading for cooling, is packaged to be finished product routinely.Finished product before the packing is used the aluminum foil bag vacuum packaging after the qualified classification of quality inspection, interior placement tealeaves special drying agent adds carton package and sticks on the organic tea sign, is placed in the tealeaves freezer with packed in cases and preserves, and temperature is controlled below 5 ℃.
Claims (1)
1. the manufacture craft of a high mountain oolong tea is characterized in that step is as follows:
(1) raw material is the fresh leaves of tea plant that height above sea level is not less than 1900 meters area production;
(2) the bright leaf of Cai Zhaiing solar wither in the solar wither canopy, described solar wither canopy by several around the position the insulation film support column, bottom surface abase frame that the cross bar between the support column constitutes and between support column top overhead the insulation film support of certain altitude make up, the insulation film that transparent fabric is made is connected the insulation film support all around; Be positioned at insulation film support top and connect a sunshade net support, connect the network structure layer that is used for tedding tealeaves between the abase frame of bottom surface, the network structure layer is mounted on the peripheral cross bar, and ventilation fan, dehumidifier and lighting apparatus are installed in the solar wither canopy; In the process of withering, the control temperature was withered 20～60 minutes at 22 ℃-27 ℃;
(3) in constant temperature and humidity ventilation wither indoors, ventilation fan and dehumidifier are installed by described constant temperature and humidity draft chamber around the frame that withers, and extension thermometer and hygrometer, the frame top equipment that installs an air-conditioner withers, around the frame that withers, seal with insulation film then, according to thermometer and hygrometer temperature displayed and humidity, the air-conditioning equipment control indoor temperature and humidity that utilizes the frame top of withering to install, the control dehumidifier carries out hydrofuge and ventilation fan carries out ventilation; In the wither indoors process, the temperature of withering in the room that withers is 22 ℃ ± 2 ℃, and wither indoors relative humidity is 60%～70%, keeps certain ventilation condition in the room that withers, and imports outdoor fresh air, to reduce tealeaves air-conditioning flavor;
(4) the bright leaf after will withering is put into vibration machine, and 4-5min is shaken in the start rotation, and rotating speed is 25-30 commentaries on classics/min;
(5) bright leaf is regained indoor spreading for cooling, 2-4 centimetres of leaf-spreading thicknesses, indoor temperature control is at 22-25 ℃, time 6-10 hour;
(6) utilize green-keeping machine to complete, temperature is controlled at 250-300 ℃;
(7) with the cooking-pot type kneading machine rub 10-25 change after, spread out in sieve frame profit last time;
(8) utilize the stainless steel bucket that eases back to ease back, vexed 10 minutes of heat, earlier vexed back is saturating, and Hui Run then takes the dish out of the pot;
(9) bag ball: utilize fast chartered plane, lotus flower machine, the machine that deblocks, purl machine, frying pan and automatic drier to wrap ball, rolling 30-32 time; Form until spheric granules; Treat that most tealeaves are perfectly round ball shape, end, sufficient fire drying are deblocked, are cut in cooling back packing typing 3-5 hours again;
(10) drying: cure with the full automatic drying machine, the dryer temperature is 100-130 ℃, cures 5-8min, behind the spreading for cooling moisture regain 15-20min, repeats to cure once spreading for cooling more again; Put into the dried Titian of fragrance extracting machine foot then, put into 10-20kg at every turn, 130 ± 5 ℃ of intake air temperatures cure 20-25min, dry by the fire to twist with the fingers the tea grain to hand and become powder, and its water content is lower than at 5% o'clock, following machine spreading for cooling;
(11) operation is chosen and is picked, sieves, bakes and banks up with earth, spreading for cooling, is packaged to be finished product routinely.
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| CN103478314B (en) * | 2013-09-30 | 2015-03-25 | 福建省农业科学院茶叶研究所 | Strong and aromatic oolong in cut-off shape and processing method thereof |
| CN104351363A (en) * | 2014-10-22 | 2015-02-18 | 湖北龙王垭茶业有限公司 | Processing method for semi-finished products of black teas |
| CN105028846A (en) * | 2015-09-15 | 2015-11-11 | 潍坊科技学院 | Artemisia annua tea processing and preparation method |
| CN105124074A (en) * | 2015-09-22 | 2015-12-09 | 武夷学院 | Temperature and humidity controlled intelligent primary processing method for podocarpus nagi tea |
| CN105613894A (en) * | 2016-03-11 | 2016-06-01 | 保山市喝客咖啡有限公司 | High-altitude coffee bean production method |
| CN109497172A (en) * | 2018-03-20 | 2019-03-22 | 高飞虎 | The processing technology of Wu Dancha |
| CN108925657A (en) * | 2018-06-22 | 2018-12-04 | 余庆县正泰茶业发展有限公司 | A kind of processing method of black tea |
| CN112155071A (en) * | 2020-09-20 | 2021-01-01 | 衡南县幸福缘有机茶种植专业合作社 | Processing technology of oolong tea |
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| CN1911057A (en) * | 2006-08-14 | 2007-02-14 | 江崇焕 | Method for making northern oolong tea |
| CN101390542A (en) * | 2008-11-04 | 2009-03-25 | 黄礼灼 | White tea heating deterioration method and device thereof |
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Address after: 679100, Xinghua village, Ma Xiang Township, Tengchong, Yunnan, Baoshan Patentee after: Yunnan Tengchong extreme edge tea industry Limited by Share Ltd Address before: 679100, Xinghua village, Ma Xiang Township, Tengchong County, Baoshan, Yunnan Patentee before: Yunnan Taicha Tea Co., Ltd. |