CN114403263A - Easily-soluble function-enhanced tea pigment solid instant tea and preparation method thereof - Google Patents
Easily-soluble function-enhanced tea pigment solid instant tea and preparation method thereof 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
- A23F3/18—Extraction of water soluble tea constituents
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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
- A23F3/32—Agglomerating, flaking or tabletting or granulating
Abstract
The preparation method of the easily soluble function-strengthened tea pigment solid instant tea provided by the invention is characterized in that Pu' er tea, black tea and Anji white tea are used as main raw materials, and the instant tea powder is obtained after extraction, specific adsorption, purification and hollow granulation, and the tea powder is mixed in proportion. The method comprises sequentially preparing theabrownin in Pu 'er tea, and extracting and separating theaflavin from black tea and Pu' er tea; and finally, recovering tea polyphenol in three tea leaves by extracting and separating theanine in the Anji white tea, the Pu' er tea and the black tea, thereby greatly improving the yield and the utilization rate of effective components in the tea raw materials. The method adopts a hollow granulation method, so that the instant tea can be rapidly dissolved in warm water of 40-65 ℃, and the dissolution rate can reach more than 90%. The solid instant tea can improve the sleep quality of the old and improve the hearing; can also reduce blood sugar and blood fat, and has remarkable effects on improving the physical conditions of juveniles who have excessive overdrawn essence, qi and spirit and cannot recover in time.
Description
Technical Field
The invention relates to the technical field of instant tea, in particular to easily-soluble function-enhanced tea pigment solid instant tea and a preparation method thereof.
Background
Tea pigment is a water-soluble phenolic pigment extracted from green tea. It has the following effects: firstly, the oxidation resistance is enhanced: the antioxidant capacity of tea pigment is 14-18 times of that of vitamin E, 30-50 times of that of vitamin C, 3 times of that of allicin and 5 times of that of fish oil; second, combing the cerebral vessels: the tea pigment can achieve blood circulation within 15s, smoothly pass through a blood brain barrier and improve blood circulation; thirdly, regulating gout: the tea pigment has pH of 8-10, is alkalescent, has no irritation to intestine and stomach, and has special effect on gout; fourthly, preventing dementia: the total effective rate for preventing and improving senile dementia is more than 87%; fifthly, conditioning the tumor: the effect of increasing the number of leucocytes and the immunity of malignant tumor patients is very obvious; sixthly, nutrition is improved: can regulate trace elements in vivo, and improve malnutrition; seventhly, three highs are reduced: lowering blood pressure (especially diastolic blood pressure) by lowering blood lipid is the specialty of tea pigment; eighthly, fat reducing and weight losing: the tea pigment scientifically reduces fat and weight without sacrificing health; ninth, protecting liver and alleviating hangover: the tea pigment has very obvious effect of relieving alcoholism and obtains uncommon achievement in the aspect of beauty; ten has no toxic or side effect: tea pigments belong to the actual non-toxic class of substances.
The tea pigment is applied to social elite, so that the phenomena of poor energy, frequent dozing, frequent yawning, poor sleep quality, low sexual performance and the like caused by excessive overdriving of essence and spirit of a body and incapability of recovering in time due to frequent thinking decision, overtime work, drinking response and the like of the people can be obviously improved; the product is applied to middle-aged and elderly people, and can remarkably improve the functions of viscera, improve immunity and delay aging; applied to women and damp-cold physique, can obviously improve the abilities of emaciation, fear of wind, cold drink, air conditioner, blower, hyperhidrosis, dreaminess, shortness of breath, dyspepsia, diarrhea and disease prevention caused by deficiency of qi and blood and imbalance of yin and yang caused by hypofunction of viscera of human body. The tea pigment is weak positive, can ensure that qi and blood of people are smooth and the body is warm, and has good improvement on cold and cool physique, female cold womb, dysmenorrheal and the like; tea pigment can also be used for obesity, cardiovascular disease, cerebrovascular disease, and arteriosclerosis; people with hypertension, hyperlipidemia, fatty liver, diabetes and gout; smoking and drinking people, and people taking various medicines for a long time; people who need to regulate endocrine function, are easy to be allergic or have allergic diseases; people with liver disease, lung disease, kidney disease, and hematopathy; those with severe illness or post-operative recovery; people who have cancer as adjuvant therapy.
In order to improve the absorption effect of consumers on tea pigment, the invention provides the solid instant tea which is easy to dissolve and takes the tea pigment as the main raw material.
Disclosure of Invention
The invention aims to provide an easily-soluble function-enhanced tea pigment solid instant tea and a preparation method thereof, and aims to solve the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a preparation method of easily-soluble function-enhanced tea pigment solid instant tea comprises the following steps:
(1) pulverizing Pu her tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Pu her tea concentrated solution, and passing through specific adsorption resin A to obtain adsorption solution A and eluate A;
(2) pulverizing black tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain black tea concentrated solution, mixing the black tea concentrated solution with eluent A, and passing through specific adsorption resin B to obtain adsorption solution B and eluent B;
(3) pulverizing Anji white tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Anji white tea concentrated solution, mixing the Anji white tea concentrated solution with eluate B, and passing through specific adsorption resin C to obtain adsorption solution C and eluate C;
(4) respectively separating and purifying the adsorption solution A, B and the adsorption solution C, and performing hollow granulation to obtain solid instant Pu' er tea powder, black tea powder and Anji white tea powder;
(5) the tea powder is mixed in proportion to obtain the easily-soluble function-enhanced tea pigment solid instant tea.
Preferably, in the step (1), the main component of the adsorption solution a is theabrownin.
Preferably, in the step (2), the main component of the adsorption solution B is theaflavin.
Preferably, in the step (3), the main component of the adsorption solution C is theanine.
Preferably, in the step (4), the theabrownin content in the Pu' er tea powder is more than or equal to 85%, the theaflavin content in the black tea powder is more than or equal to 35%, and the theanine content in the Anji white tea powder is more than or equal to 85%.
Preferably, in the step (4), the weight ratio of the Pu' er tea powder, the black tea powder and the Anji white tea powder is (1-3): (2-5): (8-15).
Preferably, the tea polyphenol is obtained by recovering the eluate C and drying.
The Pu' er tea has effects of reducing blood lipid, reducing weight, inhibiting bacteria, promoting digestion, warming stomach, promoting fluid production, quenching thirst, relieving hangover, and removing toxic substance. Has effects in clearing away stomach heat, promoting salivation, promoting digestion, dissipating phlegm, relieving alcoholic intoxication, removing toxic materials, promoting urination, dispelling cold, relieving cough, dissipating phlegm, and reducing blood lipid and cholesterol. The main effects of the medicine comprise: 1. reducing blood lipid, reducing weight, lowering blood pressure, and preventing arteriosclerosis. The long-term drinking of the Pu 'er tea can reduce cholesterol and glyceride, so the long-term drinking of the Pu' er tea has the function of treating obesity. The Pu' er tea can cause physiological effects of vasodilation, blood pressure reduction, heart rate slowing, cerebral blood flow reduction and the like of people, and has good treatment effect on patients with hypertension and cerebral arteriosclerosis. 2. Nourishing and protecting stomach. Under the appropriate concentration, the Pu 'er tea which is peaceful and mild is drunk without stimulating the intestines and stomach, and the sticky, sweet and smooth and mellow Pu' er tea enters the intestines and stomach of the human body to form a film which is attached to the surface layer of the stomach and generates a beneficial protective layer for the stomach, thereby having the effects of nourishing and protecting the stomach after being drunk for a long time. 3. Diminishing inflammation, sterilizing and treating dysentery. Research and clinical experiments in the medical field prove that the Yunnan Pu' er tea has the antibacterial effect, the concentrated tea juice is taken 10 times a day, and the bacillary dysentery can be treated, which is directly related to the rich tea polyphenol in the Yunnan large-leaf seed tea. 4. And (4) resisting aging. The total amount of catechin contained in the Yunnan big-leaf tea is higher than that of catechins in other tea varieties, the anti-aging effect is better than that of other tea varieties, and the rich tea polyphenol helps the skin to resist aging. 5. The Pu' er tea has effects of promoting fluid production to quench thirst, dispelling summerheat, removing toxic substance, and relaxing bowels. The Pu' er tea can regulate intestines and stomach, recover normal functions of the intestines and stomach, and solve the problems of acne and halitosis caused by constipation.
The black tea has a chemical reaction taking tea polyphenol enzymatic oxidation as a center in the processing process, the fresh leaf components change greatly, the tea polyphenol is reduced by more than 90 percent, new components such as theaflavin, thearubigins and the like and fragrant substances are generated, and the black tea has the characteristics of black tea, red soup, red leaves, sweet and mellow taste. Black tea belongs to the whole fermentation tea, and is prepared by using proper tea tree fresh teeth leaves as raw materials and refining the tea through a series of processes such as withering, rolling (cutting), fermentation, drying and the like. Withering is an important process for primary processing of black tea, and the black tea is called black tea during primary processing. Black tea is famous for red tea soup and tea bottom color after being brewed by dry tea. The black tea can help gastrointestinal digestion, promote appetite, promote urination, eliminate edema and strengthen heart function. The flavonoid compounds rich in black tea can eliminate free radicals, has antacid effect, and can reduce incidence of myocardial infarction.
Anji white tea, a specialty of Anji county, Huzhou, Zhejiang province, a national geographical marker product. The shape of the Anji white tea is straight and slightly flat, and the shape of the Anji white tea is like cymbidium; the color is emerald green, and pekoe appears; the leaf buds are just like gold inlaid with a scab and internally wrapped with silver arrows, which is very popular. After brewing, the fragrance is high and lasting. Fresh and cool taste, after drinking, the lips and teeth are fragrant, and the taste returns to sweet to promote the production of body fluid. The leaf bottom is bright green, and the bud leaves are distinguishable. Anji white tea belongs to the class of green tea, based on the principle of green tea processing and on the quality characteristics of Anji white tea itself. The Anji white tea is like phoenix feather in shape, emerald green and yellow in color, bright and oily, fresh and lasting in fragrance, fresh and mellow in taste, clear and bright in liquor color, tender and mature in bud and leaf at leaf bottom, and emerald green in leaf vein, is rich in 18 amino acids needed by human body, has the amino acid content of 5-10.6 percent, is 3-4 times higher than that of common green tea, and has less polyphenols compared with other green tea, so that the Anji white tea is especially fresh and cool in taste and has no bitter taste.
Compared with the prior art, the invention has the advantages that: the preparation method of the easily soluble function-strengthened tea pigment solid instant tea provided by the invention is characterized in that Pu' er tea, black tea and Anji white tea are used as main raw materials, and the instant tea powder is obtained after extraction, specific adsorption, purification and hollow granulation, and the tea powder is mixed in proportion.
Firstly, the method extracts and separates Pu ' er tea, black tea and Anji white tea in sequence, theabrownin is prepared in the Pu ' er tea, and theaflavin in the Pu ' er tea is synchronously recovered through the process of extracting and separating theaflavin in black tea; in the same way, theanine in Pu' er tea and black tea is synchronously recovered through the process of extracting and separating theanine in Anji white tea, and finally tea polyphenol in three kinds of tea is recovered, so that the yield and the utilization rate of effective components in tea raw materials are greatly improved.
Secondly, the method adopts a hollow granulation method, so that the instant tea is hollow honeycomb, the specific surface area is increased, the instant tea can be quickly dissolved in warm water at 40-65 ℃, and the dissolution rate can reach more than 90%.
Thirdly, through clinical tests, the solid instant tea can improve the sleep quality of the old and improve the hearing; can also reduce blood sugar and blood fat, and has remarkable effects on improving the physical conditions of juveniles who have excessive overdrawn essence, qi and spirit and cannot recover in time.
Detailed Description
The technical solution of the present invention will be further specifically described below by way of specific examples. It is to be understood that the practice of the invention is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the invention.
In the present invention, all parts and percentages are by weight, unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified.
The reagents used in the following examples, unless otherwise specified, were purchased from conventional biochemical reagent stores. The quantitative data in the following examples were set up in triplicate and the results averaged.
Example 1
A preparation method of easily-soluble function-enhanced tea pigment solid instant tea comprises the following steps:
(1) pulverizing Pu her tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Pu her tea concentrated solution, and passing through specific adsorption resin A to obtain adsorption solution A and eluate A;
(2) pulverizing black tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain black tea concentrated solution, mixing the black tea concentrated solution with eluent A, and passing through specific adsorption resin B to obtain adsorption solution B and eluent B;
(3) pulverizing Anji white tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Anji white tea concentrated solution, mixing the Anji white tea concentrated solution with eluate B, and passing through specific adsorption resin C to obtain adsorption solution C and eluate C;
(4) respectively separating and purifying the adsorption solution A, B and the adsorption solution C, and performing hollow granulation to obtain solid instant Pu' er tea powder, black tea powder and Anji white tea powder;
(5) mixing the tea powder in proportion to obtain soluble functional-strengthened tea pigment solid instant tea;
in the step (1), the main component of the adsorption solution A is theabrownin.
In the step (2), the main component of the adsorption liquid B is theaflavin.
In the step (3), the main component of the adsorption liquid C is theanine.
In the step (4), the theabrownin content in the Pu' er tea powder is more than or equal to 85%, the theaflavin content in the black tea powder is more than or equal to 35%, and the theanine content in the Anji white tea powder is more than or equal to 85%.
In the step (4), the weight ratio of the Pu' er tea powder, the black tea powder and the Anji white tea powder is 2.5: 3.5: 10.
recovering the eluate C and drying to obtain tea polyphenols.
Example 2
A preparation method of easily-soluble function-enhanced tea pigment solid instant tea comprises the following steps:
(1) pulverizing Pu her tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Pu her tea concentrated solution, and passing through specific adsorption resin A to obtain adsorption solution A and eluate A;
(2) pulverizing black tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain black tea concentrated solution, mixing the black tea concentrated solution with eluent A, and passing through specific adsorption resin B to obtain adsorption solution B and eluent B;
(3) pulverizing Anji white tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Anji white tea concentrated solution, mixing the Anji white tea concentrated solution with eluate B, and passing through specific adsorption resin C to obtain adsorption solution C and eluate C;
(4) respectively separating and purifying the adsorption solution A, B and the adsorption solution C, and performing hollow granulation to obtain solid instant Pu' er tea powder, black tea powder and Anji white tea powder;
(5) mixing the tea powder in proportion to obtain soluble functional-strengthened tea pigment solid instant tea;
in the step (1), the main component of the adsorption solution A is theabrownin.
In the step (2), the main component of the adsorption liquid B is theaflavin.
In the step (3), the main component of the adsorption liquid C is theanine.
In the step (4), the theabrownin content in the Pu' er tea powder is more than or equal to 85%, the theaflavin content in the black tea powder is more than or equal to 35%, and the theanine content in the Anji white tea powder is more than or equal to 85%.
In the step (4), the weight ratio of the Pu' er tea powder, the black tea powder and the Anji white tea powder is 1.5: 4.5: 9.5.
recovering the eluate C and drying to obtain tea polyphenols.
Example 3
A preparation method of easily-soluble function-enhanced tea pigment solid instant tea comprises the following steps:
(1) pulverizing Pu her tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Pu her tea concentrated solution, and passing through specific adsorption resin A to obtain adsorption solution A and eluate A;
(2) pulverizing black tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain black tea concentrated solution, mixing the black tea concentrated solution with eluent A, and passing through specific adsorption resin B to obtain adsorption solution B and eluent B;
(3) pulverizing Anji white tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Anji white tea concentrated solution, mixing the Anji white tea concentrated solution with eluate B, and passing through specific adsorption resin C to obtain adsorption solution C and eluate C;
(4) respectively separating and purifying the adsorption solution A, B and the adsorption solution C, and performing hollow granulation to obtain solid instant Pu' er tea powder, black tea powder and Anji white tea powder;
(5) mixing the tea powder in proportion to obtain soluble functional-strengthened tea pigment solid instant tea;
in the step (1), the main component of the adsorption solution A is theabrownin.
In the step (2), the main component of the adsorption liquid B is theaflavin.
In the step (3), the main component of the adsorption liquid C is theanine.
In the step (4), the theabrownin content in the Pu' er tea powder is more than or equal to 85%, the theaflavin content in the black tea powder is more than or equal to 35%, and the theanine content in the Anji white tea powder is more than or equal to 85%.
In the step (4), the weight ratio of the Pu' er tea powder, the black tea powder and the Anji white tea powder is 1.2: 4.8: 12.
recovering the eluate C and drying to obtain tea polyphenols.
Example 4
A preparation method of easily-soluble function-enhanced tea pigment solid instant tea comprises the following steps:
(1) pulverizing Pu her tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Pu her tea concentrated solution, and passing through specific adsorption resin A to obtain adsorption solution A and eluate A;
(2) pulverizing black tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain black tea concentrated solution, mixing the black tea concentrated solution with eluent A, and passing through specific adsorption resin B to obtain adsorption solution B and eluent B;
(3) pulverizing Anji white tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Anji white tea concentrated solution, mixing the Anji white tea concentrated solution with eluate B, and passing through specific adsorption resin C to obtain adsorption solution C and eluate C;
(4) respectively separating and purifying the adsorption solution A, B and the adsorption solution C, and performing hollow granulation to obtain solid instant Pu' er tea powder, black tea powder and Anji white tea powder;
(5) mixing the tea powder in proportion to obtain soluble functional-strengthened tea pigment solid instant tea;
in the step (1), the main component of the adsorption solution A is theabrownin.
In the step (2), the main component of the adsorption liquid B is theaflavin.
In the step (3), the main component of the adsorption liquid C is theanine.
In the step (4), the theabrownin content in the Pu' er tea powder is more than or equal to 85%, the theaflavin content in the black tea powder is more than or equal to 35%, and the theanine content in the Anji white tea powder is more than or equal to 85%.
In the step (4), the weight ratio of the Pu' er tea powder, the black tea powder and the Anji white tea powder is 1: 2: 15.
recovering the eluate C and drying to obtain tea polyphenols.
Example 5
A preparation method of easily-soluble function-enhanced tea pigment solid instant tea comprises the following steps:
(1) pulverizing Pu her tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Pu her tea concentrated solution, and passing through specific adsorption resin A to obtain adsorption solution A and eluate A;
(2) pulverizing black tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain black tea concentrated solution, mixing the black tea concentrated solution with eluent A, and passing through specific adsorption resin B to obtain adsorption solution B and eluent B;
(3) pulverizing Anji white tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Anji white tea concentrated solution, mixing the Anji white tea concentrated solution with eluate B, and passing through specific adsorption resin C to obtain adsorption solution C and eluate C;
(4) respectively separating and purifying the adsorption solution A, B and the adsorption solution C, and performing hollow granulation to obtain solid instant Pu' er tea powder, black tea powder and Anji white tea powder;
(5) mixing the tea powder in proportion to obtain soluble functional-strengthened tea pigment solid instant tea;
in the step (1), the main component of the adsorption solution A is theabrownin.
In the step (2), the main component of the adsorption liquid B is theaflavin.
In the step (3), the main component of the adsorption liquid C is theanine.
In the step (4), the theabrownin content in the Pu' er tea powder is more than or equal to 85%, the theaflavin content in the black tea powder is more than or equal to 35%, and the theanine content in the Anji white tea powder is more than or equal to 85%.
In the step (4), the weight ratio of the Pu' er tea powder, the black tea powder and the Anji white tea powder is 3: 2: 8.
recovering the eluate C and drying to obtain tea polyphenols.
Example 6
A preparation method of easily-soluble function-enhanced tea pigment solid instant tea comprises the following steps:
(1) pulverizing Pu her tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Pu her tea concentrated solution, and passing through specific adsorption resin A to obtain adsorption solution A and eluate A;
(2) pulverizing black tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain black tea concentrated solution, mixing the black tea concentrated solution with eluent A, and passing through specific adsorption resin B to obtain adsorption solution B and eluent B;
(3) pulverizing Anji white tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Anji white tea concentrated solution, mixing the Anji white tea concentrated solution with eluate B, and passing through specific adsorption resin C to obtain adsorption solution C and eluate C;
(4) respectively separating and purifying the adsorption solution A, B and the adsorption solution C, and performing hollow granulation to obtain solid instant Pu' er tea powder, black tea powder and Anji white tea powder;
(5) mixing the tea powder in proportion to obtain soluble functional-strengthened tea pigment solid instant tea;
in the step (1), the main component of the adsorption solution A is theabrownin.
In the step (2), the main component of the adsorption liquid B is theaflavin.
In the step (3), the main component of the adsorption liquid C is theanine.
In the step (4), the theabrownin content in the Pu' er tea powder is more than or equal to 85%, the theaflavin content in the black tea powder is more than or equal to 35%, and the theanine content in the Anji white tea powder is more than or equal to 85%.
In the step (4), the weight ratio of the Pu' er tea powder, the black tea powder and the Anji white tea powder is 1: 5: 8.
recovering the eluate C and drying to obtain tea polyphenols.
Example 7
A preparation method of easily-soluble function-enhanced tea pigment solid instant tea comprises the following steps:
(1) pulverizing Pu her tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Pu her tea concentrated solution, and passing through specific adsorption resin A to obtain adsorption solution A and eluate A;
(2) pulverizing black tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain black tea concentrated solution, mixing the black tea concentrated solution with eluent A, and passing through specific adsorption resin B to obtain adsorption solution B and eluent B;
(3) pulverizing Anji white tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Anji white tea concentrated solution, mixing the Anji white tea concentrated solution with eluate B, and passing through specific adsorption resin C to obtain adsorption solution C and eluate C;
(4) respectively separating and purifying the adsorption solution A, B and the adsorption solution C, and performing hollow granulation to obtain solid instant Pu' er tea powder, black tea powder and Anji white tea powder;
(5) mixing the tea powder in proportion to obtain soluble functional-strengthened tea pigment solid instant tea;
in the step (1), the main component of the adsorption solution A is theabrownin.
In the step (2), the main component of the adsorption liquid B is theaflavin.
In the step (3), the main component of the adsorption liquid C is theanine.
In the step (4), the theabrownin content in the Pu' er tea powder is more than or equal to 85%, the theaflavin content in the black tea powder is more than or equal to 35%, and the theanine content in the Anji white tea powder is more than or equal to 85%.
In the step (4), the weight ratio of the Pu' er tea powder, the black tea powder and the Anji white tea powder is 3: 2: 15.
recovering the eluate C and drying to obtain tea polyphenols.
The specific adsorption resin A in the above examples 1-7 is AB-8 macroporous adsorption resin; the specific adsorption resin B is D101 macroporous adsorption resin; the specific adsorption resin C is AD-1000 macroporous adsorption resin.
The solid instant tea obtained in examples 1 to 7 was tested for dissolution as follows:
the dissolution of the samples was determined according to XC dissolution test, appendix second part of the Chinese pharmacopoeia, 2010 edition. Water is used as dissolution medium. Before the measurement, the bottom of the spin basket was spaced 25 mm. + -. 2mm from the inner bottom of the dissolution cup. Respectively measuring a dissolution medium, placing the dissolution medium in each dissolution cup, taking 6 parts of a sample after the temperature of the dissolution medium is constant at 37 +/-0.5 ℃, respectively placing the sample in 6 dry rotating baskets, lowering the rotating baskets into the dissolution cups, and starting an instrument for timing. And (3) sucking a proper amount of the eluate until the specified sampling time (the difference between the actual sampling time and the specified time is not plus or minus 2%), immediately filtering by using a proper microporous filter membrane, and finishing the sampling and filtering within 30 seconds. The clear filtrate was taken and the amount of elution was measured and calculated for each fraction. The dissolution amount of each part in 6 parts of test samples is not lower than the specified dissolution rate Q (15 minutes at 37 ℃, Q is 85 percent) calculated according to the marked amount; or if 1-2 parts of the 6 parts are lower than Q but not lower than Q-10%, and the average elution amount is not lower than Q; or 1-2 parts of the 6 parts are lower than Q, wherein only 1 part is lower than Q-10% but not lower than Q-20%, and the average dissolution rate is not lower than Q, 6 parts of the test sample are taken again, 1-3 parts of the 12 parts of the initial test sample and the test sample are lower than Q, wherein only 1 part is lower than Q-10% but not lower than Q-20%, and the average dissolution rate is not lower than Q.
The specific test data are as follows:
from the above test data, it can be known that the dissolution rate of the solid instant tea of the present invention is very good.
Application example 1
After a Cao Yi, 60 years old and continuously drinking the solid instant tea of example 3 for 2 months (3 times a day, 10g in each bag), the triglyceride test data of the product is reduced from 2.3mmol/l to 1.5mmol/l by physical examination; the test data of cholesterol was reduced from 7.62.3mmol/l to 4.8 mmol/l; LDL-C low density lipoprotein cholesterol was reduced from 4.792.3mmol/l to 2.87 mmol/l; the three detection data are all reduced to a reasonable range.
Application example 2
After 2 months (3 times a day and 10g bags per time) of continuously drinking the solid instant tea of the invention example 2 in a forest, male and 14 years old, the test data of uric acid is reduced from 693 mu mol/l to 597 mu mol/l by physical examination; the state of essence, qi and spirit is obviously improved, and the learning effect is obviously improved.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The solid instant tea provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A preparation method of easily-soluble function-enhanced tea pigment solid instant tea is characterized by comprising the following steps:
(1) pulverizing Pu her tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Pu her tea concentrated solution, and passing through specific adsorption resin A to obtain adsorption solution A and eluate A;
(2) pulverizing black tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain black tea concentrated solution, mixing the black tea concentrated solution with eluent A, and passing through specific adsorption resin B to obtain adsorption solution B and eluent B;
(3) pulverizing Anji white tea, adding water, performing countercurrent extraction, centrifuging to remove residue, microfiltering to remove impurities, concentrating to obtain Anji white tea concentrated solution, mixing the Anji white tea concentrated solution with eluate B, and passing through specific adsorption resin C to obtain adsorption solution C and eluate C;
(4) respectively separating and purifying the adsorption solution A, B and the adsorption solution C, and performing hollow granulation to obtain solid instant Pu' er tea powder, black tea powder and Anji white tea powder;
(5) the tea powder is mixed in proportion to obtain the easily-soluble function-enhanced tea pigment solid instant tea.
2. The method for preparing the easily soluble function-enhanced tea pigment solid instant tea as claimed in claim 1, wherein the main ingredient of the adsorption solution A in the step (1) is theabrownin.
3. The method for preparing the easily soluble function-enhanced tea pigment solid instant tea as claimed in claim 1, wherein in the step (2), the main component of the adsorption solution B is theaflavin.
4. The method for preparing the easily soluble tea pigment solid instant tea with enhanced function according to claim 1, wherein the main component of the adsorption solution C in the step (3) is theanine.
5. The method for preparing the easily soluble function-enhanced tea pigment solid instant tea as claimed in claim 1, wherein in the step (4), the theabrownin content in Pu' er tea powder is not less than 85%, the theaflavin content in black tea powder is not less than 35%, and the theanine content in Anji white tea powder is not less than 85%.
6. The method for preparing the easily soluble function-enhanced tea pigment solid instant tea as claimed in claim 1, wherein in the step (4), the weight ratio of the Pu' er tea powder, the black tea powder and the Anji white tea powder is (1-3): (2-5): (8-15).
7. The process for producing a readily soluble, functionally-enhanced tea pigment solid instant tea as claimed in claim 1, wherein the tea polyphenol is obtained by recovering the eluate C and drying.
8. The easily soluble function-enhanced tea pigment solid instant tea prepared by the method of any one of claims 1 to 7.
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