CN105746786A - Preparation method of low-caffeine and high-solubility Eurya alata Kobuski sugar tea - Google Patents
Preparation method of low-caffeine and high-solubility Eurya alata Kobuski sugar tea Download PDFInfo
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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
- A23F3/16—Tea extraction; Tea extracts; Treating tea extract; Making instant tea
- A23F3/30—Further treatment of dried tea extract; Preparations produced thereby, e.g. instant tea
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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
- A23F3/36—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
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Abstract
The invention discloses a preparation method of low-caffeine and high-solubility Eurya alata Kobuski sugar tea. The preparation method comprises steps as follows: step 1, picked fresh Eurya alata Kobuski tea is poured into a reaction kettle, a mixed solution of water, alcohol and ethyl acetate is added to the reaction kettle, and a liquid is discharged after digestion is performed at the room temperature; step 2, water is added to the reaction kettle in the step 1, and a liquid is discharged after the tea is washed with water at the room temperature; step 3, the Eurya alata Kobuski tea washed with water in the step 2 is subjected to fixation, rolling and primary drying, and the primarily dried Eurya alata Kobuski tea is made green; step 4, the Eurya alata Kobuski tea obtained in the step 3 is re-dried, and the final product, namely, the low-caffeine and high-solubility sugar tea is obtained after re-drying. The content of the caffeine can be reduced effectively, the sugar content cannot be reduced, and the fragrance and the mellowness of finished tea are improved.
Description
Technical field
The preparation method that the present invention relates to a kind of Folium Camelliae sinensis, the preparation method especially relating to a kind of low-caffeine, high dissolubility sugar wing Eurya plant tea.
Background technology
Drinking tea not still traditional dining culture, meanwhile, the multiple compounds such as caffeine in tea, folic acid and aromatic substance can regulate lipid metabolism, tea polyphenols and vitamin C and can reduce cholesterol and blood fat；Often have tea and can effectively increase energy, promote the metabolism in health, it is possible to effectively facilitate ability of thinking and change.The people often having tea can reduce the fatigue in work and study.
The ancient Camellia sinensis of Xinyang big tea ditch distribution is that Theaceae (Theaceae) Eurya plant belongs to (EuryaThunb) wing Eurya plant (EuryaalataKobuski), evergreen shrubs or dungarunga, so far existing centuries history, it is important natural heritage and cultural heritage, locals is referred to as the sub-tea of Rhizoma Sparganii, Shen Xiancha, great scientific research value and economic worth.The aminoacid of big tea ditch wing Eurya plant Gu tea, tea polyphenols, caffeine, soluble sugar, water extraction content respectively 0.9%, 12.4%, 0.3%, 14.7%, 48.2%.Wherein tea polyphenols, water extraction content are comparatively normal, be more or less the same with other green tea such as XINYANGMAOJIAN, but catechin constituent proportion then exists greatest differences；Aminoacid, caffeine content are very low, and without theanine in aminoacid；Soluble sugar content exceeds the name green tea such as XINYANGMAOJIAN more than 3 times, and wing Eurya plant Gu tea flavour is still good.Wing Eurya plant Gu tea is low caffeine tea tree breed, is distributed widely in Zhou Biancha producing region.
In Folium Camelliae sinensis, the quality of Folium Camelliae sinensis is had vital effect by the content of caffeine and soluble sugar.Saccharide in Folium Camelliae sinensis includes the glucose of the monosaccharides such as the cellulose of polysaccharide, starch, fructose etc.；The sucrose of disaccharidase class, maltose etc..All monosaccharide and disaccharides, water soluble pectin and other a small amount of saccharide are dissolvable in water water, and tea polysaccharide not only has the functions such as blood sugar lowering, blood fat reducing, blood pressure lowering, preventing thrombosis, decreased heart rate, booster immunization power, and one of is the main taste compounds of Folium Camelliae sinensis.Caffeine, also known as caffeine, is in the plants such as coffee, tea and cocoa, the chemical substance naturally comprised.It has bitterness strong especially, has a strong impact on mouthfeel and the quality of Folium Camelliae sinensis, it addition, it can stimulate central nervous system, heart and respiratory system, therefore, drinks tea evening and can affect sleep, usually reduces this thing in modern tea-manufacturing technology.At present, the technology deviating from caffeine mainly has solvent segregation, separation by precipitation, Hot water extraction, supercritical carbon dioxide extraction method, enzymatic degradation etc., if application publication number is CN103005021A, name is called the patent application of a kind of low-caffeine broken black tea, it adopts hot water gradient cooling dipping fulling to remove caffeine, it is specially to be joined by fresh fresh leaf of Camelliae sinensis in hot water and maintains the 30-300 second at 80-95 DEG C, then rapidly Folium Camelliae sinensis is immersed warm water, 50-75 DEG C keeps 3-30 minute, pull fresh leaf cold water again out to have a shower, but, the method clearance is relatively low, do not reach the requirement of international standard 0.4%.Application number is CN2013102584900, name is called and a kind of reduces the method for caffeine content in Folium Camelliae sinensis, it adopts high voltage pulse electric field processing method, operational approach is the control process time is 90 minutes, at pulse voltage≤14KV, in the scope of pulse frequency≤130Hz, voltage and frequency are more big, and in Folium Camelliae sinensis, caffeine content reduction is more many；In pulse voltage >=14KV, the scope of pulse frequency >=130Hz, voltage and frequency are more big, and in Folium Camelliae sinensis, caffeine content reduction is more few；Pulse voltage=14KV, during pulse frequency=130Hz, in Folium Camelliae sinensis, caffeine content reduction is maximum.It is complex that it produces equipment, prepares Folium Camelliae sinensis costly.Therefore, how effectively to reduce the caffeine in Folium Camelliae sinensis, increase the content of resolvability sugar, and relatively inexpensive manufacture method becomes the emphasis of tea-manufacturing technology research.
Summary of the invention
In view of this, it is an object of the invention to for the deficiencies in the prior art, it is provided that a kind of low-caffeine, high dissolubility sugar wing Eurya plant tea preparation method, reached reduction wing Eurya plant Caffeine from Tea, improved the effect of wing Eurya plant Folium Camelliae sinensis soluble sugar content.
For reaching above-mentioned purpose, the present invention by the following technical solutions:
A kind of low-caffeine, high dissolubility sugar wing Eurya plant tea preparation method, comprise the steps:
Step one, pours in reactor by the wing Eurya plant Folium Camelliae sinensis of fresh harvesting, adds the mixed solution of water, ethanol, ethyl acetate in reactor, and liquid was discharged after 1-2 hour by room temperature lixiviate；
Step 2, adds water in the reactor in step one, liquid was discharged after 30-60 minute by room temperature washing；
Step 3, the wing Eurya plant Folium Camelliae sinensis after step 2 being washed carries out completing, kneading and first baking, then is undertaken doing green grass or young crops by the wing Eurya plant Folium Camelliae sinensis after just baking；
Step 4, wing Eurya plant Folium Camelliae sinensis step 3 obtained carries out multiple baking, namely obtains end product low-caffeine, high dissolubility sugar tea after multiple baking.
Preferably, described water, ethanol, ethyl acetate volume ratio be (70-80): (10-15): (1-5).
Preferably, described water is the one in deionized water, distilled water, high purity water, ultra-pure water.
Preferably, the described temperature just dried is 20-30 DEG C, and the water content just dried in hind wing Eurya plant Folium Camelliae sinensis is 50-60%.
Preferably, described Zuo-qing temperature is 80-95 DEG C, and the water content done in blue or green hind wing Eurya plant Folium Camelliae sinensis is 30-40%.
Preferably, the described multiple temperature dried is 80-100 DEG C.
The invention has the beneficial effects as follows:
1, in preparing wing Eurya plant Folium Camelliae sinensis process, at normal temperatures, if using the caffeine that high concentration ethanol extracts in wing Eurya plant Folium Camelliae sinensis can make wing Eurya plant Folium Camelliae sinensis generation dehydration, becoming withered leaf shape, reducing the quality of wing Eurya plant Folium Camelliae sinensis, the too low effect of extracting to caffeine is poor；When using water to extract, caffeine dissolubility in normal-temperature water is less, when raising temperature, because polysaccharide is poor to heat stability, it is easier in 60-90 DEG C of water from wing Eurya plant Folium Camelliae sinensis and precipitates out, be at high temperature susceptible to oxidation, although eliminating caffeine, but it is reduction of sugar content.Ethyl acetate is defined as the flavorant allowing to use at GB2760-96, and its aqueous solution becomes acidity, and caffeine becomes alkalescence, can effectively reduce the content of caffeine after acid-base reaction.Therefore, use at normal temperatures water, ethyl acetate, ethanol mixed solution can not only effectively reduce the content of caffeine, moreover it is possible to prevent the reduction of sugar content.
2, after using the mixed solution extraction of water, ethyl acetate, ethanol, through second time washing in step 2, the ethyl acetate of residual, ethanol liquid on wing Eurya plant Folium Camelliae sinensis can not only be washed away, moreover it is possible to the caffeine remained on wing Eurya plant Folium Camelliae sinensis is removed.This preparation method, under the premise retaining wing Eurya plant Folium Camelliae sinensis ecosystem, reduces the content of caffeine, improves wing Eurya plant Folium Camelliae sinensis sugar content in immersion process.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.In following example, the test of moisture adopts the moisture in the JT-100 type test wing Eurya plant Folium Camelliae sinensis that Taizhou City Jing Tai instrument and meter company limited produces.
Embodiment 1
A kind of low-caffeine, high dissolubility sugar wing Eurya plant tea preparation method, comprise the steps:
Step one, pours in reactor by the wing Eurya plant wing Eurya plant Folium Camelliae sinensis 15kg of fresh harvesting, adds the mixed solution of 70kg deionized water, 10kg ethanol, 1kg ethyl acetate in reactor, and liquid was discharged after 1.5 hours by room temperature lixiviate；
Step 2, adds 90kg water in the reactor in step one, liquid was discharged after 40 minutes by room temperature washing；
Step 3, the wing Eurya plant wing Eurya plant Folium Camelliae sinensis after step 2 being washed carries out completing, kneading and first baking, then is undertaken doing green grass or young crops by the wing Eurya plant wing Eurya plant Folium Camelliae sinensis after just baking, the temperature just dried is 26 DEG C, the water content just dried in hind wing Eurya plant wing Eurya plant Folium Camelliae sinensis is 57%, and the temperature doing green grass or young crops is 90 DEG C, and doing the water content after green grass or young crops is 40%；
Step 4, wing Eurya plant Folium Camelliae sinensis step 3 obtained carries out multiple baking, and the multiple temperature dried is 85 DEG C, obtains end product low-caffeine, high dissolubility sugar tea.
First step 3 completes, kneads and first baking, then undertaken doing green grass or young crops by the wing Eurya plant Folium Camelliae sinensis after just baking.Do blue or green employing high temperature, the activity of high temperature energy destructive enzyme rapidly, prevent enzymatic reaction, preventing in doing blue or green process, blade is collided friction, causes leaf margin disorganization, air easily enters mesophyll tissue, promote the dissolution of sugar in fresh leaf, and be fixed on wing Eurya plant Folium Camelliae sinensis surface, improve into the fragrance and alcoholic degree sampled tea.
Embodiment 2
A kind of low-caffeine, high dissolubility sugar wing Eurya plant tea preparation method, comprise the steps:
Step one, pours in reactor by the wing Eurya plant Folium Camelliae sinensis 13kg of fresh harvesting, adds the mixed solution of 78kg distilled water, 14kg ethanol, 5kg ethyl acetate in reactor, and liquid was discharged after 1.2 hours by room temperature lixiviate；
Step 2, adds 93kg water in the reactor in step one, liquid was discharged after 54 minutes by room temperature washing；
Step 3, the wing Eurya plant Folium Camelliae sinensis after step 2 being washed carries out completing, kneading and first baking, and the temperature just dried is 25 DEG C, and the water content just dried in hind wing Eurya plant Folium Camelliae sinensis is 55%, and the temperature doing green grass or young crops is 80 DEG C, and doing the water content after green grass or young crops is 30%；
Step 4, wing Eurya plant Folium Camelliae sinensis step 3 obtained carries out multiple baking, and the multiple temperature dried is 82 DEG C, obtains final wing Eurya plant Folium Camelliae sinensis finished product.
Embodiment 3
A kind of low-caffeine, high dissolubility sugar wing Eurya plant tea preparation method, comprise the steps:
Step one, pours in reactor by the wing Eurya plant Folium Camelliae sinensis 19kg of fresh harvesting, adds the mixed solution of 77kg high purity water, 12kg ethanol, 4kg ethyl acetate in reactor, and liquid was discharged after 1.5 hours by room temperature lixiviate;
Step 2, adds 85kg water in the reactor in step one, liquid was discharged after 30 minutes by room temperature washing；
Step 3, the wing Eurya plant Folium Camelliae sinensis after step 2 being washed carries out completing, kneading and first baking, then is undertaken doing green grass or young crops by the wing Eurya plant Folium Camelliae sinensis after just baking, the temperature just dried is 20 DEG C, the water content just dried in hind wing Eurya plant Folium Camelliae sinensis is 55%, and the temperature doing green grass or young crops is 88 DEG C, and after doing green grass or young crops, water content is 36%；
Step 4, wing Eurya plant Folium Camelliae sinensis step 3 obtained carries out multiple baking, and the multiple temperature dried is 100 DEG C, obtains end product low-caffeine, high dissolubility sugar tea.
Embodiment 4
A kind of low-caffeine, high dissolubility sugar wing Eurya plant tea preparation method, comprise the steps:
Step one, pours in reactor by the wing Eurya plant Folium Camelliae sinensis 14kg of fresh harvesting, adds the mixed solution of 80kg ultra-pure water, 15kg ethanol, 3kg ethyl acetate in reactor, and liquid was discharged after 1 hour by room temperature lixiviate；
Step 2, adds 70kg water in the reactor in step one, liquid was discharged after 60 minutes by room temperature washing；
Step 3, the wing Eurya plant Folium Camelliae sinensis after step 2 being washed carries out completing, kneading and first baking, then is undertaken doing green grass or young crops by the wing Eurya plant Folium Camelliae sinensis after just baking, the temperature just dried is 28 DEG C, the water content just dried in hind wing Eurya plant Folium Camelliae sinensis is 50%, and the temperature doing green grass or young crops is 95 DEG C, and doing the water content after green grass or young crops is 35%；
Step 4, wing Eurya plant Folium Camelliae sinensis step 3 obtained carries out multiple baking, and the temperature after multiple baking is 95 DEG C, obtains end product low-caffeine, high dissolubility sugar tea.
Embodiment 5
A kind of low-caffeine, high dissolubility sugar wing Eurya plant tea preparation method, comprise the steps:
Step one, pours in reactor by the wing Eurya plant Folium Camelliae sinensis 16kg of fresh harvesting, adds the mixed solution of 76kg deionized water, 13kg ethanol, 4kg ethyl acetate in reactor, and liquid was discharged after 1.8 hours by room temperature lixiviate；
Step 2, adds 86kg water in the reactor in step one, liquid was discharged after 45 minutes by room temperature washing；
Step 3, the wing Eurya plant Folium Camelliae sinensis after step 2 being washed carries out completing, kneading and first baking, then is undertaken doing green grass or young crops by the wing Eurya plant Folium Camelliae sinensis after just baking, the temperature just dried is 25 DEG C, the water content just dried in hind wing Eurya plant Folium Camelliae sinensis is 52%, and the temperature doing green grass or young crops is 80 DEG C, and doing the water content after green grass or young crops is 34%；
Step 4, wing Eurya plant Folium Camelliae sinensis step 3 obtained carries out multiple baking, and the temperature after multiple baking is 87 DEG C, obtains end product low-caffeine, high dissolubility sugar tea.
Embodiment 6
A kind of low-caffeine, high dissolubility sugar wing Eurya plant tea preparation method, comprise the steps:
Step one, pours in reactor by the wing Eurya plant Folium Camelliae sinensis 17kg of fresh harvesting, adds the mixed solution of 75kg deionized water, 10kg ethanol, 5kg ethyl acetate in reactor, and liquid was discharged after 2 hours by room temperature lixiviate；
Step 2, adds 100kg water in the reactor in step one, liquid was discharged after 50 minutes by room temperature washing；
Step 3, the wing Eurya plant Folium Camelliae sinensis after step 2 being washed carries out completing, kneading and first baking, then is undertaken doing green grass or young crops by the wing Eurya plant Folium Camelliae sinensis after just baking, the temperature just dried is 30 DEG C, the water content just dried in hind wing Eurya plant Folium Camelliae sinensis is 60%, and the temperature doing green grass or young crops is 85 DEG C, and doing the water content after green grass or young crops is 38%；
Step 4, wing Eurya plant Folium Camelliae sinensis step 3 obtained carries out multiple baking, and the temperature after multiple baking is 80 DEG C, obtains end product low-caffeine, high dissolubility sugar tea.
Embodiment 7
A kind of low-caffeine, high dissolubility sugar wing Eurya plant tea preparation method, comprise the steps:
Step one, pours in reactor by the wing Eurya plant Folium Camelliae sinensis 17kg of fresh harvesting, adds the mixed solution of 75kg deionized water, 10kg ethanol, 5kg ethyl acetate in reactor, and liquid was discharged after 2 hours by room temperature lixiviate；
Step 2, adds 100kg water in the reactor in step one, liquid was discharged after 50 minutes by room temperature washing；
Step 3, first adds 2kg water by the new fresh Fructus Crataegi of 0.2kg and prepares Fructus Crataegi juice；Wing Eurya plant Folium Camelliae sinensis after step 2 is washed adds 0.5kg mentha leave, then carry out completing and kneading, in the process kneading wing Eurya plant tea, add Fructus Crataegi juice, allowing wing Eurya plant Folium Camelliae sinensis adsorb Fructus Crataegi juice uniformly, then carry out just baking at 30 DEG C, the water content just dried in hind wing Eurya plant Folium Camelliae sinensis is 60%, wing Eurya plant Folium Camelliae sinensis after just drying is cooked green grass or young crops at 85 DEG C, and doing the water content after green grass or young crops is 38%；
Step 4, wing Eurya plant Folium Camelliae sinensis step 3 obtained carries out multiple baking, and the temperature after multiple baking is 80 DEG C, obtains end product low-caffeine, high dissolubility sugar tea.
Adding mentha leave in the present embodiment wing Eurya plant Folium Camelliae sinensis after washing, Herba Menthae has the fragrance of a kind of uniqueness, is possible not only to promote the mouthfeel of wing Eurya plant Folium Camelliae sinensis, also has refreshment, digestive function.And in the process kneading wing Eurya plant Folium Camelliae sinensis, add fresh Fructus Crataegi juice, Fructus Crataegi juice is made to immerse in wing Eurya plant Folium Camelliae sinensis, Fructus Crataegi is containing materials such as saccharide, protein, fat, vitamin C, carotene, starch, malic acid, citric acid, calcium and ferrum, there is the effect such as appetite-stimulating indigestion-relieving, activating blood circulation to dissipate blood stasis, Fructus Crataegi is added in wing Eurya plant Folium Camelliae sinensis, not only promote the mouthfeel of wing Eurya plant Folium Camelliae sinensis, also give the effect of wing Eurya plant Folium Camelliae sinensis strengthening the spleen and nourishing the stomach, make wing Eurya plant Folium Camelliae sinensis have more health maintenance effect.
Embodiment 8
Embodiment 8 is essentially identical with the preparation method of embodiment 7, is different in that: adds 3kg water with the new fresh grape of 0.35kg and prepares Sucus Vitis viniferae, in the process kneading wing Eurya plant tea, adds Sucus Vitis viniferae.
The present embodiment is in the process kneading wing Eurya plant Folium Camelliae sinensis, add fresh Sucus Vitis viniferae, containing nutritional labelings such as glucose, vitamin C, calcium, phosphorus, ferrum, fruit acid, malic acids in Fructus Vitis viniferae, there is appetizing, QI invigorating, effect of nourishing blood, it is possible to be used for preventing and treating the disease such as deficient qi and blood, anorexia.Wing Eurya plant Folium Camelliae sinensis absorbs the nutritional labeling in Fructus Vitis viniferae in the process of kneading, and can not only promote the mouthfeel of Folium Camelliae sinensis, also makes Folium Camelliae sinensis possess effect of nourishing the stomach QI invigorating.
Comparative example
Comparative example is essentially identical with the preparation method in embodiment 2, is different in that:
Step one, pours in reactor by the wing Eurya plant Folium Camelliae sinensis 13kg of fresh harvesting, adds 97kg distilled water in reactor, and liquid was discharged after 1.2 hours by room temperature lixiviate.
Testing result
The wing Eurya plant Folium Camelliae sinensis finally given in Example 1-8 and comparative example carries out the mensuration of caffeine and soluble sugar, and the test of caffeine adopts determined by ultraviolet spectrophotometry, and soluble sugar adopts colorimetry to be measured.Taking 5g wing Eurya plant Folium Camelliae sinensis, soak 1 hour in 100ml water, the temperature of water is 80-90 DEG C, the wing Eurya plant Folium Camelliae sinensis after soaking is separated with liquid, is tested by liquid, and its test result is as shown in table 1 below.
Table 1
Can be drawn by table 1, embodiment 2 is identical with the preparation technology of comparative example, it is different in that embodiment 2 employs the lixiviate of the mixed solution of water, ethanol, ethyl acetate, and the content of the soluble sugar in embodiment 2 improves a lot than comparative example, the content of caffeine is also low than the content of comparative example, illustrate fresh wing Eurya plant Folium Camelliae sinensis through water, ethanol, ethyl acetate mixed solution lixiviate after the content of caffeine be substantially reduced, particularly through processing under normal temperature environment, soluble sugar content is effectively retained.Embodiment 7 and embodiment 6 are different in that in wing Eurya plant Folium Camelliae sinensis and with the addition of Fructus Crataegi juice, therefore in this embodiment, soluble sugar content is higher, adds Fructus Crataegi at wing Eurya plant Folium Camelliae sinensis, can not only promote the mouthfeel of Folium Camelliae sinensis, also make Folium Camelliae sinensis possess effect of strengthening the spleen and nourishing the stomach, be more conducive to health preserving；Fructus Crataegi is replaced with the Fructus Vitis viniferae that sugar content is higher by embodiment 8, and further increase Fructus Vitis viniferae make consumption, soluble sugar content in Folium Camelliae sinensis improves a lot after testing, and the wing Eurya plant Folium Camelliae sinensis prepared has effect of nourishing the stomach QI invigorating, soluble sugar content in wing Eurya plant Folium Camelliae sinensis therefore can be regulated as required.
What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, other amendments that technical scheme is made by those of ordinary skill in the art or equivalent replace, without departing from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of scope of the presently claimed invention.
Claims (6)
1. the preparation method of a low-caffeine, high dissolubility sugar wing Eurya plant tea, it is characterised in that comprise the steps:
Step one, pours in reactor by the wing Eurya plant Folium Camelliae sinensis of fresh harvesting, adds the mixed solution of water, ethanol and ethyl acetate in reactor, and liquid was discharged after 1-2 hour by room temperature lixiviate；
Step 2, adds water in the reactor in step one, liquid was discharged after 30-60 minute by room temperature washing；
Step 3, the wing Eurya plant Folium Camelliae sinensis after step 2 being washed carries out completing, kneading and first baking, then is undertaken doing green grass or young crops by the wing Eurya plant Folium Camelliae sinensis after just baking；
Step 4, wing Eurya plant Folium Camelliae sinensis step 3 obtained carries out multiple baking, namely obtains end product low-caffeine, high dissolubility sugar tea after multiple baking.
2. the preparation method of low-caffeine according to claim 1, high dissolubility sugar wing Eurya plant tea, it is characterised in that described water, ethanol, ethyl acetate volume ratio be (70-80): (10-15): (1-5).
3. the preparation method of low-caffeine according to claim 2, high dissolubility sugar wing Eurya plant tea, it is characterised in that described water is the one in deionized water, distilled water, high purity water or ultra-pure water.
4. the preparation method of low-caffeine according to claim 3, high dissolubility sugar wing Eurya plant tea, it is characterised in that the described temperature just dried is 20-30 DEG C, and the water content just dried in hind wing Eurya plant Folium Camelliae sinensis is 50-60%.
5. the preparation method of low-caffeine according to claim 1 or 4, high dissolubility sugar wing Eurya plant tea, it is characterised in that described Zuo-qing temperature is 80-95 DEG C, the water content done in blue or green hind wing Eurya plant Folium Camelliae sinensis is 30-40%.
6. the preparation method of low-caffeine according to claim 5, high dissolubility sugar wing Eurya plant tea, it is characterised in that: the described multiple temperature dried is 80-100 DEG C.
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