CN106465778A - A kind of production method of Herba Houttuyniae green tea instant tea - Google Patents
A kind of production method of Herba Houttuyniae green tea instant tea Download PDFInfo
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Abstract
The present invention discloses a kind of production method of Herba Houttuyniae green tea instant tea, comprises the steps：(1) fresh Herba Houttuyniae is carried out microwave deactivation of enzyme enzyme denaturing；(2) Herba Houttuyniae powder after completing is broken to 50 100 mesh, green tea and Radix Glycyrrhizae are crushed to 20 60 mesh respectively；(3) by the Herba Houttuyniae after pulverizing, green tea and Radix Glycyrrhizae according to weight ratio 20 40：50‑80:10 30 mix homogeneously；(4) adopt the mixture that water, the mixing lixiviating solution of ethanol obtain to step (3) to extract, during extraction, add the compound enzyme of protease, cellulase and pectase composition to be digested；(5) cooled and filtered, concentration, drying.In this instant tea, each green tea nutrition composition, Herba Houttuyniae pharmaceutical ingredient content are very high, and cold soluble good.
Description
Technical field
The present invention relates to production of instant tea method and technology field, a kind of specifically disclosed producer of Herba Houttuyniae green tea instant tea
Method.
Background technology
Instant tea is with sample tea as raw material, and the tea juice extracting out from Folium Camelliae sinensis is made through the operation such as filtering, concentrating, be dried
Powder or fragment shape or the granular easy solid beverage similar to instant coffee.It has to drink and conveniently (adds water i.e.
Drinkable), no insoluble matter, relative volume (or weight) are little, easy preserve transport, the feature without harmful substance；It contains tradition
The nutritional labeling of millet paste and flavor substance can be entered in Folium Camelliae sinensis, there are tea all effects to human body, currently in the world, special
It is not rather popular in American-European countries, be the very promising beverage of one kind.
Currently there is the instant tea that independent green tea is made, also have the instant tea that green tea and other raw materials are made.Such as patent
CN101715848A discloses a kind of preparation method of asparagus leaf instant tea, using fresh leaf of Germinatus Phragmitis, green tea and Radix Glycyrrhizae as former
Material, is obtained corresponding instant tea after the techniques such as enzymolysis.But the nutrient composition content of this instant tea is high not enough, also not too
Multi-drug value.
As traditional Chinese herbal medicine and medicinal herbs tea-drinking, it uses and has a long history Herba Houttuyniae.Theory of Chinese medical science thinks, fish
Raw meat grass acrid in the mouth, cold nature, have functions that heat-clearing and toxic substances removing, detumescence and apocenosis, inducing diuresis for treating stranguria syndrome, are mainly used in swollen carbuncle vomiting puss, expectorant heat syndrome cough
Breathe heavily, the treatment of the disease such as hematodiarrhoea pyretic stranguria, carbuncle sore tumefacting virus.Modern pharmacology research proves, Herba Houttuyniae have enhancing human body immunity power,
The effect of relievining asthma etc. of anti-bacteria and anti-virus, antiinflammatory diuresis, antiallergic.
Patent CN104247795A, CN103005062A all discloses the health tea containing Herba Houttuyniae and green tea, has one
Fixed medical value.Patent CN104982579A discloses a kind of relieving constipation instant tea containing flowers and plants such as Folium Camelliae sinensis and Herba Houttuyniae, but
Its preparation technology is complex, and Chinese medicine ingredients are excessive excessively miscellaneous, and effective medical value is doubtful.
A kind of production method of therefore Herba Houttuyniae of demand green tea instant tea, the instant tea product obtaining can keep green tea
Better quality and nutritional labeling, also contain abundant Herba Houttuyniae active chemical simultaneously, can give play to the medicinal valency of Herba Houttuyniae
Value.
Content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of production method of Herba Houttuyniae green tea instant tea.This production
Method adopt fresh green grass or young crops Herba Houttuyniae, green tea, Radix Glycyrrhizae as raw material, through completing, pulverizing, extract, filter, be dried after obtain instant tea
Product.This production method cost is relatively low, and product maintains better quality and the nutritional labeling of green tea, also contains abundant coming simultaneously
From in the flavonoid active ingredient of Herba Houttuyniae.
The present invention provides a kind of production method of Herba Houttuyniae green tea instant tea, comprises the steps：
(1) fresh Herba Houttuyniae is carried out microwave deactivation of enzyme enzyme denaturing；
(2) Herba Houttuyniae powder after completing is broken to 50-100 mesh, green tea and Radix Glycyrrhizae are crushed to 20-60 mesh respectively；
(3) Herba Houttuyniae after pulverizing, green tea and Radix Glycyrrhizae are compared 20-40 according to weight：50-80:10-30 mix homogeneously；
(4) adopt the mixture that water, the mixed liquor of ethanol obtain to step (3) to extract, add during extraction protease,
The compound enzyme of cellulase and pectase composition is digested；
(5) cooled and filtered, concentrate, be drying to obtain instant tea product.
Herba Houttuyniae is the aerial partss of saururaceae plant houttuynia cordata, during as medical material, Drying Collapse, and stem is in oblate cylindricality,
Distortion, stranding is broken to bear the odor of fish, taste micro-puckery.Its nature and flavor of Herba Houttuyniae are pungent, are slightly cold.Not only there are multiple drug effects, such as heat-clearing and toxic substances removing, eliminating carbuncle
Evacuation of pus, inducing diuresis for treating stranguria syndrome, and there is the nutrient of very abundant.Can medicated diet dual-purpose.In Herba Houttuyniae, main effective ingredient is yellow
Ketone compounds and volatile oil.Herba Houttuyniae has abundant pharmacological action, including the effect to pathogenic microorganism, to immune system
Effect, diuresis, antitumor action, to effect of nervous system etc..
Herba Houttuyniae flavonoid mainly has Quercetin (quercetin), Quercitroside (quercitrin), Isoquercitrin
(isoquercitrin), afzclin (afzelin), hyperin (hyperin), Reynoutrin (reynoutrin), rutin
(rutin) etc..
Wherein Quercetin has preferable antiinflammatory, antitussive action, and has certain antiasthmatic effect.Additionally, also have reducing blood
Pressure, strengthens capillary resistance, reduces capillary fragility, blood fat reducing, coronary artery dilator, the work of increase coronary flow
With.Hyperin has protective effect to the neonatal rat myocardial cell of In vitro culture, it may have the effect of blood fat reducing.Rutin has fall
The abnormal permeability of low capillary pipe and the effect of fragility.It is mainly used to prevent and treat the auxiliary treatment of hypertension.Quercitroside can be to substrate
Metalloproteases generation acts on, and reduces apposition, promotes substrate degradation.
The present invention carries out microwave deactivation of enzyme to Herba Houttuyniae, pulverizes, and extracts under zymolysis, and microwave deactivation of enzyme can rapidly subtract
Moisture in few Herba Houttuyniae, preferably remains medicinal ingredient therein simultaneously, additionally, under the zymolysis of compound enzyme, powder
The cell wall lysis of the Herba Houttuyniae after broken obtain the compositions such as more abundant, to contain in leaf flavonoid and more can be leached out.Lixiviating solution
Middle rutin, hyperin, Quercitroside, quercetin content are all very high, respectively reach 0.63,1.40,3.10, after 0.39mg/g pulverizes
Mixture, the medical value of Herba Houttuyniae can be given full play to.
In addition although having a fish like smell after Herba Houttuyniae stranding is broken, but Herba Houttuyniae fresh leaf abnormal smells from the patient is less, and the present invention is to fresh leaf
Carry out microwave deactivation of enzyme, the volatilization of its fishlike smell can be reduced well, even if Herba Houttuyniae is pulverized by the later stage, also almost do not have
After fishlike smell, and green tea mixing, the instant tea of preparation still keeps the fragrance of green tea, and is seldom affected its fragrance by Herba Houttuyniae and comment
Valency level.
When Herba Houttuyniae carries out microwave deactivation of enzyme, it is preferred to use microwave oven, throw the preferred 60-100g of leaf amount, microwave power is preferred
500-800W, the preferred 40-80s of fixation time.
Extraction is the important step of production of instant tea, and extracting condition not only affects the qualities such as the color of manufactured goods,
Impact finished product yield, extracting condition includes leach extraction method, Folium Camelliae sinensis degree of fragmentation, tea-water proportion, extraction temperature and extraction time etc..Typically
In the case of extraction temperature higher, the time is longer, and the extraction ratio of Folium Camelliae sinensis is higher, caffeine, tea polyphenols dissolution more, but temperature mistake
High unfavorable to aroma volatile reservation, fragrance loss is larger, improves tea-water proportion, and extraction rate is also higher, but long the production cycle,
Efficiency is low, and cost is just corresponding to be increased.And during by green tea and other mixed raw materials for instant tea, how to retain each of green tea
Quality, but the effect of other raw materials can be made to bring into play is that the difficult point emphasis of technique is located simultaneously.
During instant tea extraction the lixiviating solution that adds less it is desirable to the inclusions in Folium Camelliae sinensis just can be leached out by the short time, plus
Lixiviating solution is many to be aoxidized inconvenience concentration, the concentration time various catalytic oxidations of prolongation, and then aggravation polyphenol compound etc.
Degree, volatile compound loss is larger, thus affecting quality.So the raw materials such as Folium Camelliae sinensis, Herba Houttuyniae, Radix Glycyrrhizae must be carried out before extraction
Pulverization process, makes solid-liquid two phase-contact surface during extraction increase, accelerates leaching rates.In general, sample comminution is thinner, specific surface
Long-pending bigger, leaching process is faster, but pulverizing is meticulous, and sample particle surface area is excessive, and adsorption strengthens, and affects on the contrary
Filtering velocity degree.Present invention research finds, the Herba Houttuyniae powder after completing is broken to 50-100 mesh, green tea and Radix Glycyrrhizae are crushed to 20- respectively
During 60 mesh, leaching rates and the faster rate of filtration faster can be realized simultaneously, and each chemical composition of instant tea can be made
Content is higher.
In the raw material of instant tea in addition to Herba Houttuyniae and green tea, it is also added into more a small amount of Radix Glycyrrhizae.Radix Glycyrrhizae is simply
Application Chinese medicine widely, has many work(such as invigorating the spleen and replenishing QI, nourishing the lung to arrest cough, eliminating fire and detoxication, relieving spasm to stop pain, coordinating the actions of various ingredients in a prescription
Effect.Modern medicine study shows, Radix Glycyrrhizae has functions that antiviral, antiinflammatory, liver protection, can be used for treating insufficiency of the spleen, cough and asthma, pharynx
Larynx swells and ache, ulcerative carbuncle pyogenic infections etc..Radix Glycyrrhizae contains multiple chemical compositions, and main component has glycyrrhizic acid, liquiritin etc.；Substantial amounts of research table
Bright, glycyrrhizin and Flavonoid substances are most important biological active substanceies in Radix Glycyrrhizae.Radix Glycyrrhizae not only has above-mentioned many effects,
Also there is certain sweet taste simultaneously, be added in instant tea and can be in harmonious proportion its taste so that instant tea is playing Herba Houttuyniae medicine
While with being worth, taste is more sweet delicious.
Folium Camelliae sinensis leaching process is actually liquid-solid extraction process, using suitable lixiviating solution, can preferably play similar
The effect mixing is so that the extraction rate of effective ingredient greatly increases.The preferred water of lixiviating solution of the present invention, ethanol volume ratio are 100：
The mixed liquor of 20-30.
In leaching process, increase lixiviating solution, extend extraction time, increase carries number of times and stirring is all conducive to improving extracting
Rate, but excessive subsequent filter and concentration technology can be led to unfavorable when extracting, and after macromolecular substances enter millet paste impact in a large number
Continuous clarification, concentration and product are cold soluble.And cold soluble be instant tea key characteristic, therefore extracting technology parameter seems particularly heavy
Will.Found by research, the volume/mass of the mixture of lixiviating solution and Herba Houttuyniae, green tea and Radix Glycyrrhizae composition is than preferably 500-
700mL：100g, preferred 50-70 DEG C of extraction temperature, extraction time preferred 30-60 minute, preferred 2-5 time of extracting times.Using this
Extracting technology, the instant tea product that the present invention obtains cold soluble good, the dissolubility in 4 DEG C and warm water is all good, and extracts
Efficiency is higher, and the nutritional labeling of green tea and the pharmaceutical ingredient content of Herba Houttuyniae are higher.
Add cellulase, pectase in extraction, cell wall can be made to hydrolyze, so that green tea, Herba Houttuyniae cell separation is become
Unicellular, be conducive to Cytoplasm dissolution.The sharpest edges of Enzymatic Extraction are that reaction condition is gentle, and effective ingredient is several in extraction process
Do not suffer a loss, the extraction ratio of effective ingredient is high, and products therefrom purity, stability, activity are all higher, and Enzymatic Extraction is shortening
The aspects such as extraction time, reducing energy consumption, reduces cost also have some superiority.The present invention adopts protease, cellulase and fruit
The compound enzyme that glue enzyme is constituted, be more beneficial for green tea, in Herba Houttuyniae chemical composition extraction.
In compound enzyme, the mass ratio of protease, cellulase and pectase is preferably 0.5-2：1-2.5：0.4-1.5.Compound
Enzyme is preferably 0.5-2% with respect to the quality volume fraction of lixiviating solution.
In step (5), filtering technique can be screen filtration or ultrafiltration membrance filter.The aperture of screen cloth be 10 mesh to 100 mesh,
Can also progressively filter multilevel screen, the aperture of ultrafilter membrane is 10nm-500nm.
Concentration technology can be in reverse osmosis membrane concentrator, film-rising evaporator, downward film evaporator, decompression type vaporizer, rotation
Carry out in rotatable vaporizer, freezing concentrator, it is preferred to use freezing concentrator.
Drying process can be dried using atomizer, press spray is dried, lyophilization or vacuum drying are carried out
It is dried.Preferably atomizer is dried and frozen drying.
In order to improve the content of green tea nutrition composition in instant tea, in raw material, the preparation technology of green tea is preferably：
(1) airing：Take fresh tea leaf, airing 7-9 hour is so as to water content is down to 65-70%；
(2) microwave deactivation of enzyme：Fresh leaf after above-mentioned steps (1) airing is carried out microwave deactivation of enzyme, obtaining water content is 50-55%
Water-removing leaves；Throwing leaf amount is 35-55g, and microwave power is 600-750W, and the microwave deactivation of enzyme time is 120-180s, and fixing temperature is
145-155℃.
(3) just rub：Water-removing leaves is tentatively kneaded；Throwing leaf amount is 55-65g, and the time is 10-20min.
(4) secondary microwave completes：Above-mentioned leaf of just rubbing is carried out microwave and mends killing again, obtain that water content is 40-45% two
Secondary water-removing leaves；Throw leaf amount 60-80g, microwave power is 400-550W, the microwave deactivation of enzyme time is 60-120s, fixing temperature is 135-
145℃.
(5) secondary rub again：Secondary water-removing leaves is carried out secondary rub again, obtain molding leaf；Throwing leaf amount is 70-80g, and the time is
20-40min.
(6) vacuum drying：By secondary rub again after molding leaf, dry under vacuo, finally giving moisture content is 5-7%
Green tea.
Vacuum drying can directly be dried certain time at a suitable temperature, such as dry 8-10 at 55-80 DEG C little
When, to realize the specified moisture content of Folium Camelliae sinensis.It is furthermore preferred that being vacuum dried using temperature-gradient method means, such as first in 55-65
Dry 6-8 hour at DEG C, then dry 1-2 hour at 70-80 DEG C.
The nutrient such as tea polyphenols, caffeine, aminoacid, soluble sugar, water extraction is contained in green tea.Green tea flavour is constituted
Composition mainly include bitter taste and constringent tea polyphenols (mainly catechin, flavonoid, about green tea dry weight
15%-25%), (mainly theanine, glutamic acid, aspartic acid, arginine etc., accounts for green tea dry weight the aminoacid of delicate flavour
1%-4%), have the caffeine of bitterness and pleasantly sweet soluble sugar etc..Wherein, tea polyphenols are the main of green tea millet paste concentration
Material, aminoacid is the main matter of green tea millet paste freshness, and the ratio (i.e. phenol/ammonia ratio) of polyphenol content and amino acid content
The alcoholic degree of green tea flavour can be reflected.In general, the green tea flavour of quality better shows as alcohol, fresh, dense.
Green tea nutrition component content using the preparation of above-mentioned technique is high, and fresh taste is mellow, former as instant tea
During material, in the instant tea obtaining, each nutrient composition content is also higher.In conjunction with the extracting technology of the present invention, the cold cut of instant tea product
Property is good, and each nutritional labeling, Herba Houttuyniae pharmaceutical ingredient content are all very high simultaneously.
Beneficial effects of the present invention have：
1st, Herba Houttuyniae, green tea and Radix Glycyrrhizae are adopted as the raw material of instant tea, you can to realize the medical value of Herba Houttuyniae：Clearly
Thermal detoxification, eliminating carbuncle evacuation of pus, inducing diuresis for treating stranguria syndrome, enhancing human body immunity power, anti-bacteria and anti-virus, antiinflammatory diuresis, antiallergic are relievingd asthma, again simultaneously
Fragrance and the flavour of green tea can be retained.
2nd, the compound enzyme adopting protease, cellulase and pectase to constitute in extracting technology, can greatly improve leaching
Put forward efficiency, gentle extracting condition, additionally, by the optimization of extracting technology parameter, it is possible to achieve the height of each nutritional labeling of green tea contains
Amount, realizes the raising of the flavonoid contents such as rutin in Herba Houttuyniae, hyperin, Quercitroside, Quercetin.
3rd, adopt the green tea of special process preparation, its nutrient composition content is higher, flavour is more preferably, former as instant tea
Every quality of instant tea during material, can be improved further.
4th, the instant tea of the present invention is cold soluble good, tea polyphenols, caffeine, aminoacid, soluble sugar, water extraction content
Height, phenol/ammonia ratio is low, and the flavonoid content such as rutin, hyperin, Quercitroside, Quercetin is high.
Specific embodiment
This can be well understood to further by the specific embodiment and comparing embodiment of invention now given below
Bright, but they are not limitation of the invention.In specific embodiment and comparing embodiment, the part of not narration in detail is to adopt
Prior art, known technology means and industry standard obtain.
Following preparation example, embodiment and comparative example experiment in, the temperature of each operation stage, determination of water, sensory,
Biochemistry ingredient content measures all in triplicate, takes its meansigma methods.
Determination of water adopts GB/T 8304-2002 (103 DEG C of ± 2 DEG C of constant weight methods) conventional ovens algoscopy to measure sample tea
Water content and SC-10 moisture test apparatus measure the water content in product.
Instant tea sample sensory's method：The quality of instant tea sample comments tea teacher to comment by password sense organ by 5 specialties
It is fixed to evaluate, and evaluation sample includes：4 DEG C of instant tea powders, room temperature blister instant tea powder, boiling water brew instant tea powder.Reviewing method：Take
3g instant tea powder adds that 150mL is conventional, and the method brewing 5min brews, after 5min, by soup look, fragrance, flavour order, item by item
With hundred-mark system scoring, and with the description of corresponding comment, finally press fragrance 20%, soup look 20%, dissolubility 20%, the power of flavour 40%
Re-computation score.
Each material composition of lixiviating solution in each embodiment and comparative example is measured, concrete grammar is：Tea polyphenols
Total amount adopts GB/T 8313-2002 (tea polyphenols mensure) ferrous tartrate spectrophotometric colo method to measure；Caffeine
Calculate and surveyed using GB/T 8312-2002 (tea caffeine mensure) ultraviolet spectrophotometry, standard curve control
Fixed；Aminoacid is entered using GB/T 8314-2002 (tea free amino acid total amount mensure) spectrophotometer ninhydrin colorimetry
Row measures；Soluble sugar adopts phend-sulphuric acid colorimetric determination absorbance, calculates according to standard curve control and is measured；Water
Extractum adopts the extraction of GB/T 8305-2002 (tea determination of extractives) boiling water, 120 DEG C of ± 2 DEG C of Oven Method to be measured.
Phenol/ammonia than directly can be obtained by calculating.
Rutin, hyperin, Quercitroside, the assay method of Quercetin：First buy and originate from Chinese pharmaceutical biological product identification
Rutin, hyperin, Quercitroside, the standard substance of Quercetin, prepare corresponding standard solution, and draw ultraviolet spectra standard
Curve, obtains the leacheate of above-mentioned four kinds of materials after then separating lixiviating solution through HPLC, measure corresponding ultraviolet spectra and calculate
Its content.
Preparation example 1
Prepare green tea using technique is produced by below：
(1) raw material is simple bud, collects by several times in the bamboo plaque that airing is cleaned at shady and cool ventilation, airing 7 is little after leaf picking
When, its water content is down to 70%.
(2) microwave deactivation of enzyme：The good fresh leaf of airing is put into microwave deactivation of enzyme machine and carries out microwave deactivation of enzyme, using the beautiful microwave in Guangdong
The M700 microwave oven of stove Manufacturing Co., Ltd, throwing leaf amount is 35g, and microwave power is 600W, and fixation time is 120s, and control completes
Temperature is 145 DEG C.Now the water content of water-removing leaves is 52%.
(3) just rub：Water-removing leaves is tentatively kneaded, using 255 type kneading machines, carries out temperature and rub, throwing leaf amount is 60g, when
Between 15min.
(4) secondary microwave completes：Above-mentioned water-removing leaves is carried out again with microwave benefit kill, equally adopt M700 microwave oven, throw leaf
Measure as 60g, microwave power is 400W, fixation time is 60s, control fixing temperature to be 135 DEG C.The water content of secondary water-removing leaves is
45%.
(5) secondary rub again：Secondary water-removing leaves is carried out secondary knead, obtain molding simple bud.Equally kneaded using 255 types
Machine, throwing leaf amount is 75g, and the time is 30min.
(6) dry：The DZF-6501 type vacuum drying oven being produced using upper Nereid grand testing equipment company limited, will knead
Molding simple bud afterwards, is vacuum dried 8 hours at 55 DEG C, finally gives the green tea that moisture content is 7%.
Embodiment 1
Prepare Herba Houttuyniae green tea instant tea using technique is produced by below：
(1) Herba Houttuyniae is carried out in M700 microwave oven microwave deactivation of enzyme enzyme denaturing, throw leaf amount 60g, microwave power 500W, complete
Time 40s；
(2) Herba Houttuyniae powder after completing is broken to 100 mesh, the green tea of preparation example 1 and commercially available Radix Glycyrrhizae are crushed to respectively
20 mesh, 40 mesh；
(3) Herba Houttuyniae after pulverizing, green tea and Radix Glycyrrhizae are compared 20 according to weight：50：30 mix homogeneously；
(4) water, ethanol volume ratio is adopted to be 100:The mixture that 20 mixed liquor obtains to step (3) extracts, leaching
Protease, cellulase and pectase in mass ratio 1 is added when carrying:1:The compound enzyme of 1 composition is digested, the quality of compound enzyme
Volume fraction is 0.5%, and lixiviating solution and volume of mixture mass ratio are 500mL：100g, extraction temperature is 50 DEG C, extraction time
For 60min, extract 2 times；
(5) adopt ultrafiltration membrance filter after cooling down, the aperture of ultrafilter membrane is 10nm, then concentrates using freezing concentrator, finally
Carry out atomizer and be drying to obtain instant tea product.
The content of each nutritional labeling of green tea in the lixiviating solution that determination step (4) obtains, measures rutin, Radix Hyperici Monogyni (Herba Hyperici Monogyni) in lixiviating solution
Glycosides, Quercitroside, the content of Quercetin, additionally, instant tea is carried out with sensory, result is respectively as shown in Table 3-5.
Embodiment 2-8
, substantially with embodiment 1, the difference of specific process parameter is referring to process conditions in table 1 for instant tea technique.Additionally, implementing
Example 7,8 is using commonly commercially available green tea as raw material.
Comparative example 1-8
Instant tea preparation technique, substantially with embodiment 1, differs only in part specific process parameter, referring specifically in table 2
Process conditions.
The instant tea preparation technique of table 1
The instant tea preparation technique of table 2
The content (mg/100g mixture) of each nutritional labeling of green tea in table 3 lixiviating solution
| Tea polyphenols | Caffeine | Free amino acid | Soluble sugar | Water extraction | Phenol/ammonia ratio | |
| Embodiment 1 | 6370.84 | 630.53 | 420.45 | 1589.74 | 10254.47 | 15.15 |
| Embodiment 2 | 6230.15 | 642.51 | 415.32 | 1564.58 | 10568.54 | 15.00 |
| Embodiment 3 | 6248.79 | 645.78 | 420.56 | 1578.46 | 11546.12 | 14.86 |
| Embodiment 4 | 6278.63 | 637.89 | 410.78 | 1527.58 | 10789.56 | 15.28 |
| Embodiment 5 | 6364.58 | 648.12 | 417.46 | 1598.74 | 11400.36 | 15.25 |
| Embodiment 6 | 6389.74 | 647.89 | 413.58 | 1527.41 | 10987.56 | 15.45 |
| Embodiment 7 | 5899.23 | 589.12 | 350.26 | 1468.36 | 9880.63 | 16.84 |
| Embodiment 8 | 5885.45 | 589.63 | 352.14 | 1484.72 | 9881.01 | 16.71 |
| Comparative example 1 | 5769.87 | 581.23 | 319.87 | 1416.89 | 9856.4 | 18.04 |
| Comparative example 2 | 5846.74 | 570.48 | 330.89 | 1474.87 | 9867.54 | 17.67 |
| Comparative example 3 | 5716.48 | 580.47 | 324.74 | 1461.78 | 9814.79 | 17.6 |
| Comparative example 4 | 5714.84 | 575.89 | 320.46 | 1457.87 | 9876.48 | 17.83 |
| Comparative example 5 | 5894.56 | 578.41 | 328.69 | 1467.89 | 9825.46 | 17.93 |
| Comparative example 6 | 5698.47 | 570.68 | 300.94 | 1496.37 | 9818.78 | 18.94 |
| Comparative example 7 | 5701.48 | 582.32 | 306.87 | 1462.78 | 9809.48 | 18.58 |
| Comparative example 8 | 5648.79 | 571.45 | 300.14 | 1465.36 | 9814.98 | 18.82 |
The content (mg/g mixture) of rutin, hyperin, Quercitroside, Quercetin in table 4 lixiviating solution
Table 5 instant tea carries out sensory's result
By the contrast of embodiment 1-8 and comparative example 1-8 as can be seen that when Herba Houttuyniae powder particle diameter, the species of compound enzyme, answering
When the mass ratio of various enzymes, tea-water proportion in synthase, extraction temperature and time do not meet the technological parameter of the application, green in lixiviating solution
The nutrient composition content of tea is substantially much lower, rutin in instant tea, hyperin, Quercitroside, Quercetin content also low, and speed
Sensory's score of molten tea is also low.Every quality of instant tea is all not excellent.Therefore, the preparation technology using the present invention can
Keep good to prepare green tea nutrition composition, Herba Houttuyniae medicinal ingredient plays well, and cold soluble, and instant tea items quality is equal
Excellent instant tea product.
Above disclosed be only the preferred embodiments of the present invention, certainly the right of the present invention can not be limited with this
Scope, the equivalent variations therefore made according to scope of the present invention patent, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of production method of Herba Houttuyniae green tea instant tea, comprises the steps：(1) fresh Herba Houttuyniae is carried out microwave deactivation of enzyme
Enzyme denaturing；(2) Herba Houttuyniae powder after completing is broken to 50-100 mesh, green tea and Radix Glycyrrhizae are crushed to 20-60 mesh respectively；(3) by powder
Herba Houttuyniae after broken, green tea and Radix Glycyrrhizae compare 20-40 according to weight：50-80:10-30 mix homogeneously；(4) adopt water, ethanol mixed
The mixture that conjunction lixiviating solution obtains to step (3) extracts, and adds protease, cellulase and pectase composition during extraction
Compound enzyme is digested；(5) cooled and filtered, concentration, drying.
2. instant tea according to claim 1 production method it is characterised in that：The preparation technology of described green tea include as
Lower step：(1) airing：Take fresh tea leaf, airing 7-9 hour is so as to water content is down to 65-70%；(2) microwave deactivation of enzyme：Will be upper
State the fresh leaf after step (1) airing and carry out microwave deactivation of enzyme, obtain the water-removing leaves that water content is 50-55%；Throwing leaf amount is 35-55g,
Microwave power is 600-750W, and the microwave deactivation of enzyme time is 120-180s, and fixing temperature is 145-155 DEG C；(3) just rub：To completing
Leaf is tentatively kneaded；Throwing leaf amount is 55-65g, and the time is 10-20min；(4) secondary microwave completes：Just rub leaf to above-mentioned again
Carry out microwave benefit to kill, obtain the secondary water-removing leaves that water content is 40-45%；Throw leaf amount 60-80g, microwave power is 400-550W,
The microwave deactivation of enzyme time is 60-120s, and fixing temperature is 135-145 DEG C；(5) secondary rub again：Secondary water-removing leaves is carried out secondary multiple
Rub, obtain molding leaf；Throwing leaf amount is 70-80g, and the time is 20-40min；(6) vacuum drying：By secondary rub again after molding leaf,
Dry under vacuo, finally give the green tea that moisture content is 5-7%.
3. instant tea according to claim 2 production method it is characterised in that：Described vacuum drying step is in 55-
8-10 hour is dried at 80 DEG C.
4. instant tea according to claim 2 production method it is characterised in that：First exist in described vacuum drying step
Dry 6-8 hour at 55-65 DEG C, then dry 1-2 hour at 70-80 DEG C.
5. the instant tea according to any one of claim 1-4 production method it is characterised in that：Leaf amount is thrown in step (1)
For 60-100g, microwave power is 500-800W, and fixation time is 40-80s.
6. the instant tea according to any one of claim 1-4 production method it is characterised in that：Water described in step (4),
Ethanol volume ratio is 100：20-30；The volume/mass ratio of the mixture of mixing lixiviating solution and Herba Houttuyniae, green tea and Radix Glycyrrhizae composition
For 500-700mL：100g.
7. the instant tea according to any one of claim 1-4 production method it is characterised in that：Albumen in described compound enzyme
The mass ratio of enzyme, cellulase and pectase is 0.5-2：1-2.5：0.4-1.5；Compound enzyme is with respect to the quality volume of lixiviating solution
Fraction is 0.5-2%.
8. the instant tea according to any one of claim 1-4 production method it is characterised in that：During step (4) extraction, leaching
Temperature raising degree is 50-70 DEG C, and extraction time is 30-60 minute, and extracting times are 2-5 time.
9. the instant tea according to any one of claim 1-4 production method it is characterised in that：Described filtering technique is sieve
Net filtration or ultrafiltration membrance filter, the aperture of screen cloth is 10 mesh to 100 mesh, and the aperture of ultrafilter membrane is 10nm-500nm.
10. the instant tea according to any one of claim 1-4 production method it is characterised in that：Described it is concentrated in reverse osmosis
Enter in membrane concentrator, film-rising evaporator, downward film evaporator, decompression type vaporizer, rotary evaporator or freezing concentrator
OK；Drying process adopts atomizer drying, press spray drying, lyophilization or vacuum drying.
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