CN109007179A - A kind of preparation method of herbal lotus leaf tea - Google Patents
A kind of preparation method of herbal lotus leaf tea Download PDFInfo
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- CN109007179A CN109007179A CN201810949926.3A CN201810949926A CN109007179A CN 109007179 A CN109007179 A CN 109007179A CN 201810949926 A CN201810949926 A CN 201810949926A CN 109007179 A CN109007179 A CN 109007179A
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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
- A23F3/34—Tea substitutes, e.g. matè; Extracts or infusions thereof
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Abstract
The present invention provides a kind of preparation methods of herbal lotus leaf tea, belong to beverage made of fruits or vegetables processing technique field.The method of the invention the following steps are included: 1) lotus leaf of crushing is mixed with water after extract, obtain lotus leaf extracting solution；2) the lotus leaf extracting solution for obtaining step 1) is mixed with chaotropic agent, obtains dissolution mixture；The chaotropic agent includes surfactant；3) by step 2) the dissolution mixture 25~60min of microwave treatment, lotus leaf juice is filtered to obtain；The power of the microwave is 10~30W/kg；4) by step 3) the lotus leaf juice with water according to volume ratio (2~3): (3~2) mix, after allotment herbal lotus leaf tea.The content of flavones is 256~314mg/100mL in the herbal lotus leaf tea being prepared using the method for the present invention, and the content of alkaloid is 10.4~11.4mg/100mL, significantly improves the content of flavones and alkaloid in herbal tea.
Description
Technical field
The invention belongs to beverage made of fruits or vegetables processing technique fields, and in particular to a kind of preparation method of herbal lotus leaf tea.
Background technique
Lotus leaf (lotus leaf) is the fresh of nymphaeaceae plant lotus (Nelumbo nucifera Gaertin) or drying
Blade is sent out in (2002) No. 45 files in the prison of defending of 2 months 2002 Ministry of Health of the People's Republic of China, and lotus leaf is put into the 2nd
Among the list for criticizing " being both food and drug ".Modern research shows that polyphenol, polysaccharide, alkaloid and flavonoids in lotus leaf
Isoreactivity ingredient has clearing away summerheat, reduces blood pressure, reduces triglyceride and cholesterol level in serum, adjusts the function such as blood lipid
Effect.
Flavone compound in lotus leaf exists mostly in the form of glycoside, and there is also a small amount of free aglycons, dissolves in heat
Water, and the alkalinity of alkaloid is weaker in lotus leaf, cannot be directly dissolved in water.Currently, for flavones in lotus leaf and alkaloid
Extraction mainly utilizes ultrasonic wave or microwave-assisted water extract method, and Liu Wenjuan (2015) etc. utilizes microwave using dried waterlily leaf as raw material
Fuel factor improve the content of flavones and alkaloid in lotus leaf tea water extract, but temperature is excessively high under microwave heating condition leads to lotus
The clarity of leaf tea water extract oxidizing brown stain, millet paste is deteriorated.
Summary of the invention
In view of this, it is an object of the invention to a kind of preparation method of herbal lotus leaf tea, containing for flavones and alkaloid is improved
Amount, and keep the clarity of beverage.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of preparation methods of herbal lotus leaf tea, comprising the following steps: 1) mixes the lotus leaf of crushing with water
It is extracted after conjunction, obtains lotus leaf extracting solution；2) the lotus leaf extracting solution for obtaining step 1) is mixed with chaotropic agent, and it is mixed to obtain dissolution
Close object；The chaotropic agent includes surfactant；3) by step 2) the dissolution mixture 25~60min of microwave treatment, filtering
Obtain lotus leaf juice；The power of the microwave is 10~30W/kg；4) by step 3) the lotus leaf juice and water according to volume ratio (2~3):
(3~2) it mixes, herbal lotus leaf tea is obtained after allotment.
Preferably, lotus leaf partial size≤74 μm of the step 1) crushing.
Preferably, in step 1), the lotus leaf of the crushing and the mass ratio of water are 1:(20~30).
Preferably, the quality of the step 2) chaotropic agent is the 0.2~0.7% of the lotus leaf extracting solution quality.
Preferably, the chaotropic agent includes the mixture of sapn and tween, and the mass ratio of the tween and sapn is 1:(1
~9).
Preferably, the step 3) microwave treatment includes the first microwave treatment and the second microwave treatment, first microwave
It further include whipping step between processing and the second microwave treatment.
Preferably, the microwave heating power of first microwave treatment is 20~30W/kg, and the time is 15~30min.
Preferably, the microwave heating power of second microwave treatment is 10~20W/kg, and the time is 10~30min.
Preferably, the speed of agitator is 60~100r/min, and mixing time is 5~10min.
Preferably, step 4) it is described allotment addition ingredient include mass concentration be 4~6% white granulated sugar, 0.05~
0.1% citric acid and 0.1~0.15% sodium carboxymethylcellulose.
It preferably, further include homogeneous, degassing, sterilizing, filling and cooling step after the step 4) allotment.
The present invention provides a kind of preparation methods of herbal lotus leaf tea, using the lotus leaf of crushing as raw material, promote flavones, alkaloid
Etc. effective components dissolution；Vascular bundle and gland cell system inside lotus leaf are directly acted on through solvent using microwave radiation, it is molten
Intracellular effective component is solved and releases, and microwave energy generates a large amount of heat, increases intracellular temperature rapidly, accelerates effectively
The dissolution rate of ingredient；Chaotropic agent has amphiphilic structure, surface tension can be reduced, to enhance wetting and infiltration of the solvent to material
Effect thoroughly, increases the leaching efficiency and extraction yield of effective component；Filter method is used to dissolution mixture, on the one hand filtering removal
On the other hand a large amount of granule foreigns can keep lotus leaf clarification of juice degree with adsorption-flocculation object and tiny residue.System of the present invention
Standby herbal lotus leaf tea light transmittance is 97%, and the content of middle flavones is 256~314mg/100mL in beverage, and the content of alkaloid is
10.4~11.4mg/100mL.Active component content significantly improves in resulting herbal lotus leaf tea beverage, is nutrition suitable for people of all ages
Healthy food.
Specific embodiment
The present invention provides a kind of preparation methods of herbal lotus leaf tea, comprising the following steps: 1) mixes the lotus leaf of crushing with water
It is extracted after conjunction, obtains lotus leaf extracting solution；2) the lotus leaf extracting solution for obtaining step 1) is mixed with chaotropic agent, and it is mixed to obtain dissolution
Close object；The chaotropic agent includes surfactant；3) by step 2) the dissolution mixture 25~60min of microwave treatment, filtering
Obtain lotus leaf juice；The power of the microwave is 10~30W/kg；4) by step 3) the lotus leaf juice and water according to volume ratio (2~3):
(3~2) it mixes, herbal lotus leaf tea is obtained after allotment.
It in the preparation method of herbal lotus leaf tea of the present invention, is extracted after the lotus leaf of crushing is mixed with water, obtains lotus leaf leaching
Mention solution.Lotus leaf of the present invention is preferably dried waterlily leaf, the preferred < 5% of the water content of the dried waterlily leaf.The present invention is to described dry
There is no particular determinations for the breaking method of lotus leaf, carry out preferably by low temperature outer circulation Ultra-Micro Grinding Equipment, specifically include: passing through
The temperature that the flow velocity of cooling water adjusts dried waterlily leaf in tank body is lower than 50 DEG C, and the flow velocity of cooling water is 0~0.3L/s, crush 3~
5min.Lotus leaf of the present invention pass through cryogenic ultramicro pulverization during mechanical presses, friction and shearing the effects of power reduce
Lotus leaf granularity promotes the dissolution of the effective components such as flavones, alkaloid.The lotus leaf of crushing of the present invention is preferably Ultramicro-powder, more
Preferred partial size≤74 μm.The present invention there is no particular determination, selects Jiangsu in the embodiment of the present invention to the source of the lotus leaf
The red lotus leaf of beauty that is produced from Jinhu County.When extraction of the present invention, the lotus leaf of crushing and the mass ratio of water are preferably 1:(20~30), more
Preferably 1:(22~27), most preferably 1:25.The temperature of extraction of the present invention is preferably 50~70 DEG C, more preferably 55~
65 DEG C, most preferably 60 DEG C.The time of extraction of the present invention is preferably 10~30min, more preferably 18~25min, optimal
It is selected as 20min.
After obtaining lotus leaf extracting solution, the present invention mixes the obtained lotus leaf extracting solution with chaotropic agent, and it is mixed to obtain dissolution
Close object；The chaotropic agent includes surfactant.The quality of chaotropic agent of the present invention is preferably the lotus leaf extracting solution matter
The 0.2~0.7% of amount, more preferably 0.4~0.6%, most preferably 0.5%.Chaotropic agent of the present invention preferably includes tween
With the mixture of sapn, the mass ratio of the tween and sapn is preferably 1:(1~9), more preferably 1:(3~8), most preferably
1:6.Tween of the present invention preferably includes one of polysorbas20, polysorbate60 and Tween 80 or a variety of mixing.The present invention
The sapn preferably includes mixing one or more in span 20, sorbester p18 and sorbester p17.Surface-active of the present invention
Agent has amphiphilic structure, can reduce surface tension, to enhance wetting and osmosis of the solvent to material, increases effective component
Such as the leaching efficiency and extraction yield of flavones and alkaloid.
After obtaining dissolution mixture, the dissolution mixture 25~60min of microwave treatment is filtered to obtain lotus leaf by the present invention
Juice；The power of the microwave is 10~30W/kg.Microwave treatment of the present invention preferably includes the first microwave treatment and second micro-
Wave processing, further includes whipping step between first microwave treatment and the second microwave treatment.At first microwave of the present invention
The microwave heating power of reason is preferably 20~30W/kg, more preferably 22~28W/kg, most preferably 25W/kg.It is of the present invention
The time of first microwave treatment is preferably 15~30min, more preferably 20~28min, most preferably 25min.It is of the present invention
First microwave treatment can play heat effect, improve the temperature of liquid, facilitate the release of active constituent；Pass through the endogenous of microwave
Property heat characteristic can damage cells structure, facilitate the release of active constituent.The present invention is after first microwave treatment, preferably
Closing microwave switch and stir liquid, make sedimentation lotus leaf powder be suspended in liquid, re-form suspension.It is of the present invention
The revolving speed of stirring is 60~100r/min, and mixing time is 5~10min.After forming suspension, the present invention is carried out at the second microwave
Reason, the microwave heating power of second microwave treatment is preferably 10~20W/kg, more preferably 12~18W/kg, most preferably
15W/kg.The time of second microwave treatment of the present invention is preferably 10~30min, more preferably 15~25min, most preferably
20min.Second microwave treatment of the present invention is low-temperature microwave heating, and (control temperature is not high for the lasting raising of controlling water temperature
In 70 DEG C), prevent the degradation under active constituent high temperature.Filtering of the present invention preferably includes: by the dissolution Jing Guo microwave treatment
Mixture sieving removes lotus leaf residue, obtains lotus leaf just juice；Just refined filtration obtains lotus leaf juice to juice to lotus leaf again.The sieve pore of sieve of the present invention is excellent
It is selected as 200~400 mesh, more preferably 230~325 mesh, most preferably 300 mesh.There is no special for material of the present invention to the sieve
Different restriction, preferably nylon leaching net.After obtaining the first juice of lotus leaf, the present invention is preferably cooling by juice at the beginning of the lotus leaf, and the cooling is excellent
It is selected as cooling down the board-like cool-heat-exchanger of juice injection at the beginning of the lotus leaf, the temperature of lotus leaf juice is made to be reduced to 40 DEG C or less.This
Invention carries out refined filtration to juice at the beginning of the lotus leaf after cooling, and juice at the beginning of lotus leaf after cooling is preferably passed through diatomite by the refined filtration
Filter carries out refined filtration, obtains lotus leaf juice.Lotus leaf juice of the present invention is lotus leaf juice.Filtering of the present invention can remove juice
In solid content, improve lotus leaf clarification of juice degree.
After obtaining lotus leaf juice, the present invention is by the lotus leaf juice with water according to volume ratio (2~3): (3~2) are mixed, after allotment
Herbal lotus leaf tea.The ingredient of allotment addition of the present invention preferably includes the white granulated sugar, 0.05~0.1% that mass concentration is 4~6%
Citric acid and 0.1~0.15% sodium carboxymethylcellulose.The mass concentration of white granulated sugar of the present invention is preferably 4~6%,
More preferably 4.5~5.5%, most preferably 5%.White granulated sugar of the present invention adjusts sugariness.The matter of citric acid of the present invention
Measuring concentration is preferably 0.05~0.1%, and more preferably 0.06~0.08%, most preferably 0.07%.Citric acid of the present invention
Acidity is adjusted, controls pH 4.8~5.2.The mass concentration of sodium carboxymethylcellulose of the present invention is preferably 0.1~
0.15%, more preferably 0.11~0.14%, most preferably 0.12%.Sodium carboxymethylcellulose of the present invention is stabilizer,
Improve the stability of liquid.
It is also preferable to include homogeneous, degassing, sterilizing, filling and cooling steps after the allotment by the present invention.The present invention is to institute
It states that homogeneous, degassing, sterilizing, there is no particular determinations for filling and cooling step, utilizes the ordinary skill in the art.
It is described in detail below with reference to preparation method of the embodiment to herbal lotus leaf tea provided by the invention, but cannot
They are interpreted as limiting the scope of the present invention.
Embodiment 1
(1) dried waterlily leaf is placed in low temperature outer circulation Ultra-Micro Grinding Equipment, opens recirculated water on the outside of tank body, control lotus leaf powder
Temperature is no more than 50 DEG C, and setting grinding time is 3min, and lotus leaf Ultramicro-powder is then crossed 200 meshes；
(2) pure water is added into lotus leaf Ultramicro-powder according to feed liquid mass ratio 1:20 (g:g), and stirs and evenly mixs, obtain lotus leaf
Powder mixture；
(3) span 20 of 0.6% (g:g), the polysorbas20 of 0.1% (g:g) are added into lotus leaf powder mixture, and are stirred mixed
It is even to be placed in microwave heating equipment, microwave power 30W/kg is set, 15min is heated；It closes microwave switch and stirs liquid, make to sink
The lotus leaf powder of drop is suspended in liquid；It is subsequently placed in microwave heating equipment and carries out second of heating, microwave heating power is
20W/kg, heating time 10min；
(4) the lotus leaf powder mixture after microwave heating is filtered to remove most of lotus leaf residue using 300 mesh nylon leaching nets,
Obtain lotus leaf juice；Lotus leaf juice is injected board-like cool-heat-exchanger to cool down, the temperature of lotus leaf juice is made to be reduced to 40 DEG C or less；It is cooling
Lotus leaf juice afterwards carries out refined filtration by diatomite filter, obtains lotus leaf juice.
(5) lotus leaf juice is mixed with pure water according to the volume ratio of 40:60, is prepared to lotus leaf juice and quality hundred is added in liquid
Point than be 5% white granulated sugar, 0.05% citric acid, 0.1% sodium carboxymethylcellulose, and be heated to 70 DEG C, lotus after allotment
The soluble solid content of leaf juice is 5.2%, pH value 5.2；
(6) the lotus leaf juice after allotment is subjected under 20MPa pressure homogeneous, deaerated at vacuum degree 0.06MPa, setting is super
High-temperature short-time sterilization temperature is 135 DEG C, time 5s, and feed liquid temperature is not less than 85 DEG C when filling, and bottle inversion sterilizes after sealing, and immediately
Spraying cooling is to 50 DEG C to get herbal lotus leaf tea beverage.
Measuring herbal lotus leaf tea light transmittance is 97%, and the content of flavones is 282mg/100mL in beverage, and the content of alkaloid is
10.8mg/100mL。
Embodiment 2
(1) dried waterlily leaf is placed in low temperature outer circulation Ultra-Micro Grinding Equipment, opens recirculated water on the outside of tank body, control lotus leaf powder
Temperature is no more than 50 DEG C, and setting grinding time is 3min, and lotus leaf Ultramicro-powder is then crossed 200 meshes；
(2) pure water is added into lotus leaf Ultramicro-powder according to feed liquid mass ratio 1:30 (g:g), and stirs and evenly mixs, obtain lotus leaf
Powder mixture；
(3) sorbester p18 of 0.1% (g:g), 0.1% sorbester p17,0.08% (g:g) are added into lotus leaf powder mixture
Polysorbas20, and stir and evenly mix and be placed in microwave heating equipment, microwave power 20W/kg is set, 30min is heated；Close microwave switch
And liquid is stirred, it is suspended in the lotus leaf powder of sedimentation in liquid；It is subsequently placed in microwave heating equipment and carries out second of heating, it is micro-
Wave heating power is 10W/kg, heating time 30min；
(4) the lotus leaf powder mixture after microwave heating is filtered to remove most of lotus leaf residue using 300 mesh nylon leaching nets,
Obtain lotus leaf juice；Lotus leaf juice is injected board-like cool-heat-exchanger to cool down, the temperature of lotus leaf juice is made to be reduced to 40 DEG C or less；It is cooling
Lotus leaf juice afterwards carries out refined filtration by diatomite filter, obtains lotus leaf juice.
(5) lotus leaf juice is mixed with pure water according to the volume ratio of 50:50, is prepared to lotus leaf juice and quality hundred is added in liquid
Point than be 6% white granulated sugar, 0.1% citric acid, 0.15% sodium carboxymethylcellulose, and be heated to 70 DEG C, lotus after allotment
The soluble solid content of leaf juice is 6.2%, pH value 4.85；
(6) the lotus leaf juice after allotment is subjected under 20MPa pressure homogeneous, deaerated at vacuum degree 0.06MPa, setting is super
High-temperature short-time sterilization temperature is 135 DEG C, time 5s, and feed liquid temperature is not less than 85 DEG C when filling, and bottle inversion sterilizes after sealing, and immediately
Spraying cooling is to 50 DEG C to get herbal lotus leaf tea beverage.
Measuring herbal lotus leaf tea light transmittance is 97%, and the content of flavones is 256mg/100mL in beverage, and the content of alkaloid is
10.4mg/100mL。
Embodiment 3
(1) dried waterlily leaf is placed in low temperature outer circulation Ultra-Micro Grinding Equipment, opens recirculated water on the outside of tank body, control lotus leaf powder
Temperature is no more than 50 DEG C, and setting grinding time is 3min, and lotus leaf Ultramicro-powder is then crossed 200 meshes；
(2) pure water is added into lotus leaf Ultramicro-powder according to feed liquid mass ratio 1:25 (g:g), and stirs and evenly mixs, obtain lotus leaf
Powder mixture；
(3) span 20 of 0.4% (g:g), 0.2% sorbester p17,0.08% (g:g) are added into lotus leaf powder mixture
Polysorbas20,0.02% polysorbate60, and stir and evenly mix lotus leaf powder mixture is placed in microwave heating equipment, be arranged microwave power
25W/kg heats 20min；It closes microwave switch and stirs liquid, be suspended in the lotus leaf powder of sedimentation in liquid；Setting microwave adds
Thermal power 15W/kg, heating time 20min；
(4) the lotus leaf powder mixture after microwave heating is filtered to remove most of lotus leaf residue using 300 mesh nylon leaching nets,
Obtain lotus leaf juice；Lotus leaf juice is injected board-like cool-heat-exchanger to cool down, the temperature of lotus leaf juice is made to be reduced to 40 DEG C or less；It is cooling
Lotus leaf juice afterwards carries out refined filtration by diatomite filter, obtains lotus leaf juice.
(5) lotus leaf juice is mixed with pure water according to the volume ratio of 60:40, is prepared to lotus leaf juice and quality hundred is added in liquid
Point than be 5.3% white granulated sugar, 0.075% citric acid, 0.1% sodium carboxymethylcellulose, and 70 DEG C are heated to, after allotment
The soluble solid content of lotus leaf juice is 6.2%, pH value 5.05；
(6) the lotus leaf juice after allotment is subjected under 20MPa pressure homogeneous, deaerated at vacuum degree 0.06MPa, setting is super
High-temperature short-time sterilization temperature is 135 DEG C, time 5s, and feed liquid temperature is not less than 85 DEG C when filling, and bottle inversion sterilizes after sealing, and immediately
Spraying cooling is to 50 DEG C to get herbal lotus leaf tea beverage.
Measuring herbal lotus leaf tea light transmittance is 97%, and the content of flavones is 314mg/100mL in beverage, and the content of alkaloid is
11.4mg/100mL。
Comparative example 1
In addition to step (1) is using Ordinary pulverization, remaining step is identical with embodiment 3.
Measuring herbal lotus leaf tea light transmittance is 98%, and the content of flavones is 204.6mg/100mL, the content of alkaloid in beverage
For 5.6mg/100mL.
Comparative example 2
In addition to step (3) does not add surfactant, remaining step is identical with embodiment 3.
Measuring herbal lotus leaf tea light transmittance is 97%, and the content of flavones is 182.6mg/100mL, the content of alkaloid in beverage
For 7.4mg/100mL.
Comparative example 3
It except microwave heating is not used in step (3), directly heats to 70 DEG C, keeps the temperature outside 30min, remaining step and embodiment
3 is identical.
Measuring herbal lotus leaf tea light transmittance is 98%, and the content of flavones is 176mg/100mL in beverage, and the content of alkaloid is
8.3mg/100mL。
Comparative example 4
In addition to not using diatomite filter in step (4) and carrying out refined filtration, remaining step is identical with embodiment 3.
Measuring herbal lotus leaf tea light transmittance is 83%, and the content of flavones is 318mg/100mL in beverage, and the content of alkaloid is
11.7mg/100mL。
Comparative example 5
Except surfactant is not added in step (3), microwave heating is not used, is directly heated to 70 DEG C, keeps the temperature 30min
Outside, remaining step is identical with embodiment 3.
Measuring herbal lotus leaf tea light transmittance is 97%, and the content of flavones is 155mg/100mL in beverage, and the content of alkaloid is
7.0mg/100mL。
The present invention provides a kind of preparation method of herbal lotus leaf tea, the content of flavones is in the herbal lotus leaf tea that is prepared
The content of 256~314mg/100mL, alkaloid are 10.4~11.4mg/100mL, significantly improve flavones and biology in herbal tea
The content of alkali.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of preparation method of herbal lotus leaf tea, comprising the following steps: 1) extracted after mixing the lotus leaf of crushing with water, obtain lotus leaf
Extracting solution；2) the lotus leaf extracting solution for obtaining step 1) is mixed with chaotropic agent, obtains dissolution mixture；The chaotropic agent
Including surfactant；3) by step 2) the dissolution mixture 25~60min of microwave treatment, lotus leaf juice is filtered to obtain；It is described micro-
The power of wave is 10~30W/kg；4) by step 3) the lotus leaf juice with water according to volume ratio (2~3): (3~2) mix, allotment
Herbal lotus leaf tea is obtained afterwards.
2. preparation method according to claim 1, which is characterized in that lotus leaf partial size≤74 μm of the step 1) crushing.
3. preparation method according to claim 1, which is characterized in that in step 1), the lotus leaf of the crushing and the matter of water
Amount is than being 1:(20~30).
4. preparation method according to claim 1, which is characterized in that the quality of the step 2) chaotropic agent is the lotus leaf
The 0.2~0.7% of extracting solution quality.
5. preparation method according to claim 1 or 4, which is characterized in that the chaotropic agent includes the mixed of tween and sapn
The mass ratio of conjunction object, the tween and sapn is 1:(1~9).
6. preparation method according to claim 1, which is characterized in that the step 3) microwave treatment includes at the first microwave
Reason and the second microwave treatment, further include whipping step between first microwave treatment and the second microwave treatment.
7. preparation method according to claim 6, which is characterized in that the microwave heating power of first microwave treatment is
20~30W/kg, time are 15~30min.
8. preparation method according to claim 6, which is characterized in that the microwave heating power of second microwave treatment is
10~20W/kg, time are 10~30min.
9. preparation method according to claim 6, which is characterized in that the speed of agitator is 60~100r/min, is stirred
Mixing the time is 5~10min.
10. preparation method according to claim 1, which is characterized in that step 4) the allotment reagent includes accounting for lotus leaf
Herbal tea mass concentration be 4~6% white granulated sugar, 0.05~0.1% citric acid and 0.1~0.15% carboxymethyl cellulose
Sodium.
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| CN201810949926.3A CN109007179A (en) | 2018-08-20 | 2018-08-20 | A kind of preparation method of herbal lotus leaf tea |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810949926.3A CN109007179A (en) | 2018-08-20 | 2018-08-20 | A kind of preparation method of herbal lotus leaf tea |
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| CN109007179A true CN109007179A (en) | 2018-12-18 |
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ID=64632096
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870122A (en) * | 2020-07-31 | 2020-11-03 | 知安企业管理咨询(上海)中心 | Low-temperature tea making method and device and application thereof |
-
2018
- 2018-08-20 CN CN201810949926.3A patent/CN109007179A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870122A (en) * | 2020-07-31 | 2020-11-03 | 知安企业管理咨询(上海)中心 | Low-temperature tea making method and device and application thereof |
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Application publication date: 20181218 |
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