CN107396989A - A kind of preparation method of dendrobium officinale tea - Google Patents
A kind of preparation method of dendrobium officinale tea Download PDFInfo
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- CN107396989A CN107396989A CN201710661587.4A CN201710661587A CN107396989A CN 107396989 A CN107396989 A CN 107396989A CN 201710661587 A CN201710661587 A CN 201710661587A CN 107396989 A CN107396989 A CN 107396989A
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- blade
- dendrobium
- dendrobium candidum
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- dendrobium officinale
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
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Abstract
The invention belongs to the manufacture craft of agriculture field, more particularly to dendrobium officinale tea.A kind of preparation method of dendrobium officinale tea, comprises the following steps：Selected harvesting fresh leaf → water purification cleaning → ozone sterilization → low temperature hot blast drying → fixing → homogeneous → appearance → low temperature drying → color sorting → finished product packing, the present invention to dendrobium candidum leaf when being processed, consider emphatically and remove residues of pesticides first, and temperature is controlled in process, retain heat and destroyed active ingredient in dendrobium candidum leaf to greatest extent, in turn ensure that removal residues of pesticides；And the dendrobium officinale tea made of this method is due to last drying link, can the soaked drink-service as tealeaves, can directly chew food again, crisp perfume is sweet, unique flavor, and has preferable health-care efficacy；On the whole the preparation method of this dendrobium officinale tea can reduce the wasting of resources, and can increase planting household income.
Description
Technical field
The invention belongs to the manufacture craft of agriculture field, more particularly to dendrobium officinale tea.
Background technology
Dendrobium candidum is orchid（Scientific name Dendrobium officinale Kimura et Migo）Record earliest
In Qin Han dynasty《Sheng Nong's herbal classic》Be classified as top grade, " in main wound, except disadvantage, lower gas, tonifying five zang organs, consumptive disease, to win thin, Qiang Yin, long term usage thick
Stomach ".Ming Dynasty's Li Shizhen《Compendium of Materia Medica》Claiming in book can " strong cloudy strengthening the essence, long term usage make light of one's life by commiting suicide macrobiosis ".Tang was opened between the first year《Road passes through》Once
There are nine big celestial grass to record, and dendrobium candidum is classified as first of celestial grass.Descendant is referred to as celestial grass, there is the title of plant gold again.Iron sheet stone
Dry measure used in former times is containing polysaccharide, alkaloid, luxuriant and rich with fragrance class compound, amino acid, natural plant pigment and a variety of trace elements beneficial to human body.It is many
Natural plants can be counted on one's fingers all containing polysaccharide but with more strongly active polysaccharide, and active polysaccharide contained by dendrobium polysaccharide is it
It is first.The dendrobium candidum of commercial type is free of selenium element mostly, selenium element be human body can not itself synthesis, need outer mend
Fill.It is the trace element highly beneficial to human body.The dendrobium candidum of our company's production is rich in selenium element.
Recorded according to successive dynasties document, and prove that dendrobium candidum has ten large effects through modern scientific research：Tianjin, enhancing are supported in enriching yin
Constitution, strengthen the spleen and stomach, protect liver cholagogic, strengthening tendons key body, reduce blood glucose, suppress tumour, bright eyes, nourishes rough skin, promote longevity.
Informal dress dendrobium officinale tea can be with supplementing qi and nourishing yin, beautifying face and moistering lotion.Particularly suitable for usually due to operating pressure is big, excessively
Fatigue, the sub-health population stayed up late caused by overtime work；Smoke for a long time, drinking causes liver lung impaired；It is irregular due to living
Caused gastrointestinal dysfunction crowd；The insomnia caused by body fluid circulatory is bad, constipation, long spot, acne and three are high on the face,
The crowds such as diabetes nurse one's health.Snacks can be done to take, can also work as the dietetic food of tea-drinking.
Tiepi Fengdou in the market is processed with stem, and leaf is discarded, but leaf and the active principle contained by stem：It is more
Sugared, luxuriant and rich with fragrance class compound, amino acid, cellulose and vitamin and mineral content are of little difference, therefore dendrobium candidum leaf is processed and made
It is good mode into leaf tea, the cauline leaf of dendrobium candidum all contains a certain amount of residues of pesticides after testing, and what is had is exceeded serious, locates
Not only manage it is improper be no advantage, and human body health is endangered, so dendrobium officinale tea on the market is all excessively to remove now
Agricultural chemicals, destroy the members such as polysaccharide on dendrobium candidum blade, luxuriant and rich with fragrance class compound, amino acid, cellulose and vitamin and mineral
Element, it is impossible at utmost play its effect.
The content of the invention
The technical problems to be solved by the invention are：In view of the deficienciess of the prior art, it is residual to provide a kind of removal agricultural chemicals
Effect is left, and the preparation method for preserving the dendrobium officinale tea of blade multiple element.
To realize the purpose of the present invention, it is achieved using following technical scheme：A kind of preparation method of dendrobium officinale tea,
Comprise the following steps：
1. selected harvesting fresh leaf：Annual winter 3 years raw dendrobium candidums of clip, nothing are gone mouldy, the dendrobium candidum picking blade of scab
It is standby；
2. water purification cleans：On the harvesting same day, residues of pesticides are removed while cleaning blade, after detecting the residual content of agriculture, adjustment is super
The frequency intensity that sound occurs is 70%, the ultrasound in bath, changes water per hour once, per 500kg water cleaning Tiepi Fengdou blade
100kg, time are 3-5 minutes, and the residual clearance of agriculture reaches more than 70%；
3. ozone sterilization：It is 50% to continue to wash and be aided with ozone concentration, carries out cleaning 3-4 minutes, degrading pesticide residues
Afterwards, detect again, the residual clearance of agriculture reaches more than 95%, and the bacterium and microorganism of blade surface all kill and cleaned;
4. low temperature hot blast drying：Dendrobium candidum fresh leaf after step 3 is handled, dried up with 43-47 DEG C of hot blast low temperature；
5. fixing is handled：Finished using roller fixation machine, temperature control is 4.5-5.5 in 95-105 DEG C of fixation time
Min, fixing degree are disappeared with blade grass smell, and blade weightlessness is between 10 ~ 15%, untill blade can smell a kind of tea smell；
6. homogeneous：Spreading for cooling is placed on the plane, temperature is down to 15-20 DEG C, is placed into a wooden barrel, closes the lid and pressurizes vexed
28-32min, dendrobium candidum blade is thicker, and contains polysaccharide 25%, and mucilaginous substance is more, and this process makes blade surface moisture and inherent water
Divide and permeate homogeneous each other, avoid surface from drying, the sandwich phenomenon that blade center still has large quantity of moisture occurs；
7. appearance：The dendrobium candidum blade for taking out step 6 processing is kneaded, and the pressure kneaded is light after first weighing, after speed is first slow
It hurry up, time of kneading is in 1.8-2.2 hours, because leaf blade size differs, old tender difference, so kneads out and shows without caking or agglomerate
As, and bar shaped is uniformly, loosely.
8. low temperature drying：The dendrobium candidum blade that step 7 has been rubbed is put into the baking oven with air blower and carried out, will be dried
The temperature of case is adjusted to 75-80 DEG C, does not open air blower first and dries 40 minutes, then opens air blower, continues to dry 1.5 hours, iron
The moisture of skin stem of noble dendrobium blade is controlled in 5.8-6.2%, and the temperature of baking oven now is adjusted into 100 DEG C, is closed air blower, is continued to dry
10 minutes, the control of the moisture of dendrobium candidum blade proposed fragrance in 4.8-5.2%, with hand kneading into powder, pleasant aroma；
9. color sorting：The dendrobium candidum blade spreading for cooling that step 8 is taken out, pour into color selector and screen, remove a little unshaped blade；
10. finished product packing：Dendrobium candidum blade after color sorting is loaded in packaging bag.
Preferably, the step 4 can use 1400-1450 turns/min centrifuge drying dehydration, time 3-4
min。
Compared with prior art, the beneficial effects of the invention are as follows：The present invention when being processed to dendrobium candidum leaf
Consider again and remove residues of pesticides first, and temperature is controlled in process, retain met in dendrobium candidum leaf to greatest extent
Hot and destroyed active ingredient, in turn ensure that removal residues of pesticides；And the dendrobium officinale tea made of this method due to
Last drying link, can the soaked drink-service as tealeaves, can directly chew food again, crisp perfume is sweet, unique flavor, and have preferably
Health-care efficacy；On the whole the preparation method of this dendrobium officinale tea can reduce the wasting of resources, and can increase planting household income.
Embodiment
The following specific embodiments of the present invention is to make a detailed explanation.
The preparation method flow of dendrobium officinale tea is：Selected harvesting fresh leaf → water purification cleaning → ozone sterilization → low temperature hot blast
Drying → fixing → homogeneous → appearance → low temperature drying → color sorting → finished product packing.
Embodiment 1
A kind of preparation method of dendrobium officinale tea, comprises the following steps：
1. selected harvesting fresh leaf：Annual winter 3 years raw dendrobium candidums of clip, nothing are gone mouldy, the dendrobium candidum picking blade of scab
It is standby；
2. water purification cleans：On the harvesting same day, residues of pesticides are removed while cleaning blade, after detecting the residual content of agriculture, adjustment is super
The frequency intensity that sound occurs is 70%, the ultrasound in bath, changes water per hour once, per 500kg water cleaning Tiepi Fengdou blade
100kg, time are 5 minutes；
3. ozone sterilization：It is 50% to continue to wash and be aided with ozone concentration, carries out cleaning 3-4 minutes, degrading pesticide residues
Afterwards, detect again, the residual clearance of agriculture reaches more than 95%;
4. low temperature hot blast drying：Dendrobium candidum fresh leaf after step 3 is handled, dried up with 45 DEG C of hot blast low temperature；
5. fixing is handled：Finished using roller fixation machine, temperature control is 5 min in 100 DEG C of fixation times；
6. homogeneous：Spreading for cooling is placed on the plane, temperature is down to 15-20 DEG C, is placed into a wooden barrel, closes the lid and pressurizes vexed
30min；
7. appearance：The dendrobium candidum blade for taking out step 6 processing is kneaded, and the pressure kneaded is light after first weighing, after speed is first slow
It hurry up, time of kneading was at 2 hours.
8. low temperature drying：The dendrobium candidum blade that step 7 has been rubbed is put into the baking oven with air blower and carried out, will be dried
The temperature of case is adjusted to 75-80 DEG C, does not open air blower first and dries 40 minutes, then opens air blower, continues to dry 1.5 hours, iron
The moisture of skin stem of noble dendrobium blade is controlled in 5.8-6.2%, and the temperature of baking oven now is adjusted into 100 DEG C, is closed air blower, is continued to dry
10 minutes, the moisture of dendrobium candidum blade was controlled in 4.8-5.2%；
9. color sorting：The dendrobium candidum blade spreading for cooling that step 8 is taken out, pour into color selector and screen, remove a little unshaped blade；
10. finished product packing：Dendrobium candidum blade after color sorting is loaded in packaging bag.
Embodiment 2
On the basis of other steps are constant, by 1430 turns/min of step 4 centrifuge drying dehydration, the time is 3-4 min.
The emphasis of this process is the drying again of step 8, and step 6 should not in drying also for step 8 process
Time-consuming long, it is another emphasis to remove residues of pesticides process, the effect of being to retain dendrobium candidum blade in two steps, together
When residues of pesticides can be removed it is clean.
Ultrasound removes agricultural chemicals time contrast table in step 2
Through 5 batches of experiments, it is best that ultrasonic wave time of origin 3-5 minutes remove agriculture residual effect fruit, and the residual clearance of agriculture reaches more than 70%, and
Blade is complete, and outward appearance is constant, and removing 6 minutes rear blades has damage phenomenon, therefore minute time 3-5 is optimal.
Ozone removes that agriculture is residual and time contrast table in step 3
Through experiment, 4 minutes residual removal effects of agriculture of ozone time of origin are optimal, have a little blade during 5-6 minutes
Discoloration, and clearance and 4 minutes are without significant difference.Therefore ozone time of origin 3-4 minutes are optimal.
Claims (2)
1. a kind of preparation method of dendrobium officinale tea, it is characterised in that comprise the following steps：
1. selected harvesting fresh leaf：Annual winter 3 years raw dendrobium candidums of clip, nothing are gone mouldy, the dendrobium candidum picking blade of scab
It is standby；
Water purification cleans：On the harvesting same day, residues of pesticides are removed while cleaning blade, after detecting the residual content of agriculture, adjustment ultrasound
The frequency intensity of generation is 70%, the ultrasound in bath, changes water per hour once, per 500kg water cleaning Tiepi Fengdou blade
100kg, time are 3-5 minutes, and the residual clearance of agriculture reaches more than 70%；
Ozone sterilization：It is 50% to continue to wash and be aided with ozone concentration, clean 3-4 minutes, after degrading pesticide residues,
Detect again, the residual clearance of agriculture reaches more than 95%;
4. low temperature hot blast drying：Dendrobium candidum fresh leaf after step 3 is handled, dried up with 43-47 DEG C of hot blast low temperature；
5. fixing is handled：Finished using roller fixation machine, temperature control is 4.5-5.5 in 95-105 DEG C of fixation time
min；
6. homogeneous：Spreading for cooling is placed on the plane, temperature is down to 15-20 DEG C, is placed into a wooden barrel, closes the lid and pressurizes vexed
28-32min；
7. appearance：The dendrobium candidum blade for taking out step 6 processing is kneaded, and the pressure kneaded is light after first weighing, after speed is first slow
It hurry up, time of kneading is in 1.8-2.2 hours；
8. low temperature drying：The dendrobium candidum blade that step 7 has been rubbed is put into the baking oven with air blower and carried out, by baking oven
Temperature is adjusted to 75-80 DEG C, does not open air blower first and dries 40 minutes, then opens air blower, continues to dry 1.5 hours, iron sheet stone
The moisture of dry measure used in former times blade is controlled in 5.8-6.2%, and the temperature of baking oven now is adjusted into 100 DEG C, closes air blower, continues 10 points of drying
Clock, the moisture of dendrobium candidum blade are controlled in 4.8-5.2%；
9. color sorting：The dendrobium candidum blade spreading for cooling that step 8 is taken out, pour into color selector and screen, remove a little unshaped blade；
10. finished product packing：Dendrobium candidum blade after color sorting is loaded in packaging bag.
2. the preparation method of a kind of dendrobium officinale tea according to claim 1, it is characterised in that the step 4 can be used
1400-1450r/min centrifuge drying dehydration, time are 3-4 min.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109845859A (en) * | 2019-02-27 | 2019-06-07 | 九仙尊霍山石斛股份有限公司 | A kind of processing technology and Dendrobidium huoshanness leaf tea obtained of Dendrobidium huoshanness leaf tea |
| CN110812449A (en) * | 2019-10-18 | 2020-02-21 | 安徽拂旦生物科技有限公司 | Development and utilization method of whole dendrobium huoshanense plants |
| CN111328905A (en) * | 2020-05-09 | 2020-06-26 | 张盛南 | Dendrobium officinale leaf and flower craft tea and making method thereof |
| CN111513304A (en) * | 2020-05-09 | 2020-08-11 | 张盛南 | Dendrobium officinale leaf and flower food additive and preparation method thereof |
| CN114601158A (en) * | 2022-04-03 | 2022-06-10 | 安徽农业大学 | Preparation method of dendrobium officinale leaf meal replacement powder with health care function |
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| CN111328905A (en) * | 2020-05-09 | 2020-06-26 | 张盛南 | Dendrobium officinale leaf and flower craft tea and making method thereof |
| CN111513304A (en) * | 2020-05-09 | 2020-08-11 | 张盛南 | Dendrobium officinale leaf and flower food additive and preparation method thereof |
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| CN114601158A (en) * | 2022-04-03 | 2022-06-10 | 安徽农业大学 | Preparation method of dendrobium officinale leaf meal replacement powder with health care function |
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Application publication date: 20171128 |