CN108323602B - Preparation method of golden flower Pu 'er mulberry leaf tea and golden flower Pu' er mulberry leaf tea - Google Patents

Preparation method of golden flower Pu 'er mulberry leaf tea and golden flower Pu' er mulberry leaf tea Download PDF

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CN108323602B
CN108323602B CN201810295638.0A CN201810295638A CN108323602B CN 108323602 B CN108323602 B CN 108323602B CN 201810295638 A CN201810295638 A CN 201810295638A CN 108323602 B CN108323602 B CN 108323602B
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tea
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刘展良
谭清华
谢得方
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Shanxi Luyu Tea Culture And Art Research Institute
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Guangdong Vocational College of Science and Trade
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00Tea; Tea substitutes; Preparations thereof
    • A23F3/06Treating tea before extraction; Preparations produced thereby
    • A23F3/14Tea preparations, e.g. using additives
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00Tea; Tea substitutes; Preparations thereof
    • A23F3/06Treating tea before extraction; Preparations produced thereby
    • A23F3/08Oxidation; Fermentation
    • A23F3/10Fermentation with addition of microorganisms or enzymes

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Abstract

The invention relates to the technical field of tea preparation, in particular to a preparation method of golden camellia Pu 'er tea and the golden camellia Pu' er tea; the preparation method comprises preparing a flowering strain, preparing a flowering raw material, pretreating and flowering; wherein the flower growing strain comprises golden flower Fuzhuan tea; the preparation method of the hair growth raw material comprises treating Pu' er tea and folium Mori with damp water, and keeping the temperature to obtain treated raw material; the pretreatment comprises mixing the treated raw material with the strain for flowering, steaming at the temperature of 100-; the step of flowering comprises the step of wrapping the pretreated raw materials in a fermentation membrane for flowering; the golden flower Pu' er mulberry leaf tea prepared by the method has better quality, also contains more nutrient health-care substances, and has certain health-care effect.

Description

Preparation method of golden flower Pu 'er mulberry leaf tea and golden flower Pu' er mulberry leaf tea
Technical Field
The invention relates to the technical field of tea preparation, and in particular relates to a preparation method of golden camellia Pu 'er tea and the golden camellia Pu' er tea.
Background
The traditional golden flower fu brick tea is one of black tea, and is reprocessed tea prepared by taking raw dark green tea or crude old green tea as a raw material and performing a compression process. Wherein the golden flower is commonly called as Eurotium cristatum: a fungus belonging to genus Eurotium of family Tricholomataceae of order Eurotiales can grow on soil, Fuzhuan tea, Cordyceps, Chinese medicinal tablet, lignum Aquilariae Resinatum, and wood dust.
Research shows that eurotium cristatum can secrete a plurality of extracellular enzymes (such as cellulase, pectinase, amylase and the like) in the growth and metabolism process, and the enzymes convert macromolecular substances such as cellulose, pectin, polysaccharide and the like into small molecular substances and provide carbon sources and energy sources for the self-metabolism activity.
Research on eurotium cristatum and extract thereof as objects discovers that the eurotium cristatum can secrete substances such as polysaccharide, statins and the like, has various physiological activities, and can participate in the mechanisms of regulating blood fat and regulating intestines and stomach. A plurality of researches find that the Fuzhuan tea has stronger efficacy in the aspects of regulating blood fat and blood sugar, coordinating intestines and stomach and the like than other black tea.
The mulberry leaves are rich in nutrition and unique in function, and are recognized as 'medicinal and edible' plant leaves which are both food and medicine by the national ministry of health in 1993.
However, the golden flower Pu-erh tea provided in the related technology is generally Pu-erh ripe tea, the process of using Pu-erh raw tea for growing flower is limited, and the quality of the prepared finished tea and the content of health care substances are all to be improved; moreover, in the related technology, a preparation process for preparing the finished tea with the health care effect by combining the raw puerh tea, the mulberry leaves and the eurotium cristatum is relatively lacked, so that certain market vacancy is caused.
Disclosure of Invention
The invention aims to provide a preparation method of golden camellia Pu 'er mulberry leaf tea, which can be used for improving the quality of raw Pu' er tea and combining the raw Pu 'er tea and mulberry leaves together to prepare the golden camellia Pu' er mulberry leaf tea with good quality and certain health care effect.
The invention also aims to provide the golden flower Pu' er mulberry leaf tea which has better quality, contains more nutrient health-care substances and has certain health-care effect.
The invention is realized by adopting the following technical scheme.
The invention provides a preparation method of golden flower Pu' er mulberry leaf tea, which comprises the steps of preparing a flowering strain, preparing a flowering raw material, pretreating and flowering; wherein the flower growing strain comprises golden flower Fuzhuan tea; the preparation method of the hair growth raw material comprises treating Pu' er tea and folium Mori with damp water, and keeping the temperature to obtain treated raw material; the pretreatment comprises mixing the treated raw material with the strain for flowering, steaming at the temperature of 100-; the step of flowering comprises the step of wrapping the pretreatment raw materials in a fermentation membrane for flowering.
The invention provides golden camellia Pu 'er mulberry leaf tea which is prepared by the preparation method of the golden camellia Pu' er mulberry leaf tea.
The preparation method of the golden camellia Pu 'er tea and the golden camellia Pu' er tea provided by the embodiment of the invention have the beneficial effects that:
according to the preparation method of the camellia nitidissima Pu 'er mulberry leaf tea, provided by the embodiment of the invention, when the camellia nitidissima Pu' er mulberry leaf tea is prepared, the camellia nitidissima Fu brick tea is selected as a flower growing strain for growing, so that the process flow for preparing the flower growing strain can be simplified on one hand, and the quality of the camellia nitidissima can be effectively promoted to be improved on the other hand; according to the preparation method, the raw Pu ' er tea and the mulberry leaves are mixed together to prepare the golden camellia, so that the finally prepared golden camellia Pu ' er mulberry leaf tea can simultaneously have the health-care effects of the raw golden camellia Pu ' er tea and the golden camellia mulberry leaf tea, and the effects of the two golden camellia tea can be mutually promoted; the subsequent processes such as flowering and the like are carried out after the flowering raw material is subjected to heat preservation treatment for a period of time after being moistened, so that the conversion of substances contained in the raw material in the flowering process can be promoted, and the quality of the golden camellia is promoted to be improved; in the preparation process, when the flowering process is carried out, the mixture to be flowered is wrapped together by the fermentation film for flowering, and the formation of the quality of the golden camellia can be facilitated.
The golden flower Pu' er mulberry leaf tea provided by the embodiment of the invention has better quality, contains more nutrient health-care substances and has certain health-care effect.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The preparation method of camellia chrysantha puer tea and the camellia chrysantha puer tea of the embodiment of the invention are specifically explained below.
The preparation method of the golden flower Pu' er mulberry leaf tea comprises the following steps: preparing a flowering strain, preparing a flowering raw material, pretreating and flowering.
In detail, the flower growing strain in the embodiment includes camellia nitidissima Fuzhuan tea, that is, the Fuzhuan tea containing eurotium cristatum is directly selected as the flower growing strain in the invention, and the Fuzhuan tea containing the eurotium cristatum can be used as the flower growing microbial inoculum without separating and purifying the eurotium cristatum, so that the preparation process of preparing the camellia nitissimum tea can be simplified, and the eurotium cristatum which is attached to the Fuzhuan tea and is not interfered by the separation process and the like has high activity, can relatively quickly enter a flower growing process, promotes the rapid growth of the flower and promotes the formation of the quality of the camellia nitidissima.
Furthermore, the golden flower Fuzhuan tea used as the flower growing strain is powdery, and the golden flower Fuzhuan tea powder used as the flower growing strain can enable the flower growing strain and the flower growing substrate to be mixed more uniformly, so that the rapid proceeding of the flower growing process is promoted, and the quality of the golden flower tea is facilitated to be formed.
The golden flower fu brick tea of the present invention may be an anhua fu brick tea or jing yang fu brick tea containing a gold flower (Eurotium cristatum), and is not particularly limited herein.
The preparation of the hair flower raw materials in this example includes: treating raw Pu' er tea and folium Mori with moist water, and keeping the temperature to obtain the treated raw materials.
In detail, the weight ratio of the raw Pu' er tea to the mulberry leaves is 1-3: 1; the raw puer tea in the invention can be various commercially prepared raw puer tea, or raw puer tea prepared according to the preparation process of raw puer tea, and the mulberry leaves can be various commercially dried mulberry leaves or prepared by drying picked fresh mulberry leaves.
Further, the humidifying treatment comprises adding 10-20% of water of the total weight of the raw Pu 'er tea and the mulberry leaves into the mixture of the raw Pu' er tea and the mulberry leaves for humidifying.
Further, the heat preservation treatment comprises placing the mixture of the green puerh tea and the mulberry leaves after being moistened into water at 35-45 deg.C for 20-60 min. The mixture of the Pu' er raw tea and the mulberry leaves after being moistened is kept warm for a period of time at a certain temperature, and the subsequent flowering process is carried out, so that the rapid proceeding of the flowering process can be promoted, and the quality of the golden camellia is promoted.
Modern long-term medical research shows that mulberry leaves contain rich protein, which accounts for about 21-30% of dry substances; contains 18 amino acids, wherein the glutamic acid content of the precursor of gamma-aminobutyric acid is as high as 1.29%; the amino acid pattern is similar to human body, the components are similar to defatted soybean powder, and the protein is a good protein source for human. The mulberry leaf carbohydrate mainly contains glucose, mannose, fructose and the like, and the mulberry leaf polysaccharide has the function of reducing blood sugar; the edible fiber content of the fruit and vegetable milk powder reaches 52 percent of the total fiber content, and exceeds that of fruits and vegetables. The fat of mulberry leaf contains unsaturated fatty acids such as linolenic acid (22.9%), linoleic acid (13.4%) and so on, which account for half of the total amount, and has good prevention and treatment effects on cardiovascular diseases and hyperlipidemia. The mulberry leaves are rich in vitamins B and C which can maintain the immune system, the antioxidant system and the fat and carbohydrate metabolic system of the organism, and are not influenced by the harvest time. The mulberry leaves contain beneficial trace mineral elements which account for 12 percent of the total amount, wherein K, Ca content is higher, and particularly, Ca content is higher than that of red shrimps and fish meal. 1-Deoxynojirimycin (DNJ) is a characteristic component of polyhydroxy alkaloid in mulberry leaves, namely a glycosidase inhibitor, and has a remarkable blood sugar reducing effect. As a natural strong antioxidant, the phellinus igniarius ketone accounts for 1-3% of the dry weight of the mulberry leaves, is one of the stems and leaves of all plants with higher content, and has various effects of reducing blood pressure, resisting aging, preventing cancer, inhibiting the increase of serum lipid, inhibiting the formation of atherosclerosis and the like. Under the synergistic effect of bioactive components such as mulberry alkaloid (particularly DNJ), flavonoid, mulberry polysaccharide, gamma-aminobutyric acid, vitamins and the like, the mulberry fragrant Fuzhuan brick has the functions of reducing blood sugar, reducing blood fat and blood pressure, resisting oxidation, aging, stress, bacteria and cancer, resisting filariasis, promoting urination, enhancing body endurance, regulating adrenaline, inhibiting thrombosis, preventing arteriosclerosis, preventing capillary infiltration and the like. The most prominent functions are preventing and curing diabetes, beautifying and resisting aging.
The pretreatment in the embodiment comprises the steps of mixing the treatment principle with the flowering bacterial, steaming at the temperature of 100-120 ℃, and pressing to obtain a pretreatment raw material; the pressed pretreated raw materials are blocky.
In detail, the weight of the strain for growing flowers added to the treatment raw material in the embodiment is 1-3% of the weight of the treatment raw material; the proper amount of the added flowering strain can promote the rapid proceeding of the flowering process on one hand, and avoid the excessive consumption of effective substances in the treatment raw materials by excessive microbial inoculum on the other hand.
The preparation method can be used for preparing the golden flower Pu ' er mulberry leaf Longzhu tea and the golden flower Pu ' er mulberry leaf cake tea, when the preparation method is used for preparing the golden flower Pu ' er mulberry leaf Longzhu tea, 8-12g of processing raw materials are mixed with a flowering strain, steamed and baked, and pressed to prepare the Longzhu tea; when the preparation method is adopted to prepare the golden flower Pu' er mulberry leaf cake tea, about 200g of processing raw materials are mixed with the strain for growing flowers, and then the mixture is steamed, baked and pressed to prepare a tea cake.
Preferably, the treatment raw material and the flowering fungus are mixed and steamed for 20-60 s; steaming and baking the mixed processing raw materials and the flowering strains for a short time can avoid the generation of mixed bacteria which are not beneficial to the formation of the quality of the golden camellia during the flowering process, and avoid the rotten tea or the failure of flowering and the like.
The method for growing the flowers comprises the step of wrapping the pretreated raw materials in the fermentation membrane for growing the flowers. In detail, the temperature of the hair is 26-30 ℃; further, the time spent may be 8-10 days. It is to be noted that when the golden flower Pu' er mulberry leaf longzhu tea is prepared by the method, each longzhu tea prepared in advance is independently wrapped by a fermentation film; when the method is used for preparing the golden flower Pu' er mulberry leaf cake tea, each prepared tea cake is separately wrapped by a fermentation film. It should be further noted that the flowering time can also be determined according to the specific conditions of flowering, and the flowering can be finished when the growth of the golden flowers on the tea leaves is flourishing.
The fermentation film can be a preservative film or a film capable of preventing water loss, such as tinfoil paper and the like; further, the mixture of tea and strain wrapped by preservative film or tinfoil paper can be integrally filled into a sealing bag, and then the flowering is carried out, wherein the sealing bag can be made of PE materials.
The term "bloom" in the present invention means fermentation using a microbial agent.
The preparation method of the camellia nitidissima Pu' er mulberry leaf tea further comprises drying, in detail, after the flowering of the camellia nitidissima is finished, the fermentation film can be removed, and then the tea after the flowering is dried at the temperature of 40-45 ℃; the drying time can be 8-12 d; drying is usually finished when the water content of the golden camellia is 3-8%. The drying is carried out at a low temperature at a slow speed, so that the conversion of substances in the golden camellia can be further promoted in the drying process, and the quality of the golden camellia is further improved.
The preparation method of camellia nitidissima Pu 'er tea and the camellia nitidissima Pu' er tea of the present invention are further described in detail with reference to the following examples.
Example 1
Grinding the golden flower Fuzhuan tea into powder to be used as a flower growing strain; mixing raw Pu ' er tea and mulberry leaves according to a weight ratio of 3:1, and then carrying out moisture treatment, wherein the amount of water added into the mixture of the raw Pu ' er tea and the mulberry leaves during the moisture treatment is 18% of the total weight of the mixture of the raw Pu ' er tea and the mulberry leaves, and then keeping the temperature of the mixture after moisture treatment at 40 ℃ for 30 min; adding a flowering strain into the mixture of the Pu 'er raw tea and the mulberry leaves subjected to heat preservation treatment, then placing the mixture at the temperature of 120 ℃ for steaming for 40s, and pressing the mixture into blocks to obtain a pretreatment raw material, wherein the weight of the flowering strain is 3% of that of the mixture of the Pu' er raw tea and the mulberry leaves subjected to heat preservation treatment; wrapping the pre-treatment raw materials obtained after pressing in a fermentation film, then putting the pre-treatment raw materials wrapped with the fermentation film in a sealed bag, and placing the bag at 26 ℃ for blooming for 10 days; and after the flowering is finished, removing the sealing bag and the fermentation film, and drying the flowering tea blocks at the temperature of 45 ℃ for 10 days to obtain the golden flower Pu' er mulberry leaf tea.
Example 2
Grinding the golden flower Fuzhuan tea into powder to be used as a flower growing strain; mixing raw Pu ' er tea and mulberry leaves according to a weight ratio of 2:1, and then carrying out moisture treatment, wherein the amount of water added into the mixture of the raw Pu ' er tea and the mulberry leaves during the moisture treatment is 10% of the total weight of the mixture of the raw Pu ' er tea and the mulberry leaves, and then keeping the temperature of the mixture after moisture treatment at 35 ℃ for 60 min; adding a flowering strain into the mixture of the Pu 'er raw tea and the mulberry leaves subjected to heat preservation treatment, then placing the mixture at the temperature of 100 ℃ for steaming for 60s, and pressing the mixture into blocks to obtain a pretreatment raw material, wherein the weight of the flowering strain is 1% of that of the mixture of the Pu' er raw tea and the mulberry leaves subjected to heat preservation treatment; wrapping the pre-treatment raw materials obtained after pressing in a preservative film, then putting the pre-treatment raw materials wrapped with the preservative film into a sealed bag, and placing the bag at 30 ℃ for blooming for 8 days; and after the flowering is finished, removing the sealing bag and the preservative film, and drying the flowering tea blocks at the temperature of 40 ℃ for 12 days to obtain the golden flower Pu' er mulberry leaf tea.
Example 3
Grinding the golden flower Fuzhuan tea into powder to be used as a flower growing strain; mixing raw Pu ' er tea and mulberry leaves according to a weight ratio of 1:1, and then carrying out moisture treatment, wherein the amount of water added into the mixture of the raw Pu ' er tea and the mulberry leaves during the moisture treatment is 20% of the total weight of the mixture of the raw Pu ' er tea and the mulberry leaves, and then keeping the temperature of the mixture after moisture treatment at 45 ℃ for 20 min; adding a flowering strain into the mixture of the Pu-erh raw tea and the mulberry leaves subjected to heat preservation treatment, then placing the mixture at the temperature of 110 ℃ for steaming for 20s, and pressing the mixture into blocks to obtain a pretreatment raw material, wherein the weight of the flowering strain is 2% of that of the mixture of the Pu-erh raw tea and the mulberry leaves subjected to heat preservation treatment; wrapping the pre-treatment raw materials obtained after pressing in tin foil paper, then putting the pre-treatment raw materials wrapped with the tin foil paper into a sealed bag together, and placing the bag at 28 ℃ for blooming for 9 d; and after the flowering is finished, removing the sealing bag and the tin foil paper, and drying the flowering tea blocks at 42 ℃ for 8 days to obtain the golden flower Pu' er mulberry leaf tea.
Example 4
Taking the golden flower Fuzhuan tea as a flower growing strain; mixing raw Pu 'er tea with folium Mori, and performing moisture treatment, wherein the amount of water added into the mixture of raw Pu' er tea and folium Mori is 15% of the total weight of the mixture, and keeping the temperature of the mixture at 38 deg.C for 50 min; adding a flowering strain into the mixture of the Pu 'er raw tea and the mulberry leaves subjected to heat preservation treatment, then placing the mixture at the temperature of 105 ℃ for steaming for 50s, and pressing the mixture into blocks to obtain a pretreatment raw material, wherein the weight of the flowering strain is 2.5% of that of the mixture of the Pu' er raw tea and the mulberry leaves subjected to heat preservation treatment; wrapping the pre-treated raw material obtained after pressing in a fermentation membrane, and placing at 27 ℃ for flowering; and after the flowering is finished, removing the fermentation film, and drying the flowering tea blocks at 42 ℃ to obtain the golden flower Pu' er mulberry leaf tea.
Example 5
Grinding the golden flower Fuzhuan tea into powder to be used as a flower growing strain; mixing raw Pu ' er tea and mulberry leaves according to a weight ratio of 2:1, and then carrying out moisture treatment, wherein the amount of water added into the mixture of the raw Pu ' er tea and the mulberry leaves during the moisture treatment is 16% of the total weight of the mixture of the raw Pu ' er tea and the mulberry leaves, and then keeping the temperature of the mixture after moisture treatment for 45min at 42 ℃; dividing the heat-preserved raw materials into 8g small tea piles, adding a flowering strain into a mixture of the Pu 'er raw tea and the mulberry leaves subjected to heat preservation treatment, then placing the mixture at the temperature of 120 ℃ for steaming for 40s, and pressing the mixture into blocks to obtain a pretreated raw material (longzhu tea), wherein the weight of the flowering strain is 1% of the weight of the mixture of the Pu' er raw tea and the mulberry leaves subjected to heat preservation treatment; respectively wrapping each pretreated longzhu tea obtained after pressing in a fermentation membrane, then putting the pretreatment raw materials wrapped with the fermentation membrane in a sealed bag, and placing the bag at 30 ℃ for flowering for 8 d; and after the flowering is finished, removing the sealing bag and the fermentation film, and drying the flowering tea blocks at the temperature of 41 ℃ for 8 days to obtain the golden flower Pu' er mulberry leaf tea.
Example 6
Grinding the golden flower Fuzhuan tea into powder to be used as a flower growing strain; mixing raw Pu ' er tea and mulberry leaves according to a weight ratio of 1:1, and then carrying out moisture treatment, wherein the amount of water added into the mixture of the raw Pu ' er tea and the mulberry leaves during the moisture treatment is 14% of the total weight of the mixture of the raw Pu ' er tea and the mulberry leaves, and then keeping the temperature of the mixture after moisture treatment for 55min at the temperature of 36 ℃; dividing the heat-preserved raw materials into small tea piles of 12g, adding a flowering strain into a mixture of the Pu 'er raw tea and the mulberry leaves subjected to heat preservation treatment, then placing the mixture at the temperature of 110 ℃ for steaming for 40s, and pressing the mixture into blocks to obtain a pretreated raw material (longzhu tea), wherein the weight of the flowering strain is 2% of the weight of the mixture of the Pu' er raw tea and the mulberry leaves subjected to heat preservation treatment; respectively wrapping each pretreated longzhu tea obtained after pressing in a fermentation membrane, then putting the pretreatment raw materials wrapped with the fermentation membrane in a sealed bag, and placing the bag at 30 ℃ for flowering for 9 d; and after the flowering is finished, removing the sealing bag and the fermentation film, and drying the flowering tea blocks at the temperature of 43 ℃ for 8 days to obtain the golden flower Pu' er mulberry leaf tea.
Example 7
Grinding the golden flower Fuzhuan tea into powder to be used as a flower growing strain; mixing raw Pu ' er tea and mulberry leaves according to a weight ratio of 3:1, and then carrying out moisture treatment, wherein the amount of water added into the mixture of the raw Pu ' er tea and the mulberry leaves during the moisture treatment is 19% of the total weight of the mixture of the raw Pu ' er tea and the mulberry leaves, and then keeping the temperature of the mixture after moisture treatment at 40 ℃ for 35 min; dividing the heat-preserved raw materials into 200g small tea piles, adding a flowering strain into the mixture of the heat-preserved raw puerh tea and mulberry leaves, then placing the mixture at the temperature of 100 ℃ for steaming for 55s, and pressing the mixture into blocks to obtain a pretreated raw material (cake tea), wherein the weight of the flowering strain is 3% of the mixture of the heat-preserved raw puerh tea and the mulberry leaves; wrapping each pre-treated tea cake obtained after pressing in a fermentation film, packaging the pre-treated raw materials wrapped with the fermentation film in a sealed bag, and standing at 30 ℃ for blooming for 10 days; and after the flowering is finished, removing the sealing bag and the fermentation film, and drying the flowering tea blocks at the temperature of 45 ℃ for 12 days to obtain the golden flower Pu' er mulberry leaf tea.
Comparative example 1
The method for preparing the camellia nitidissima Pu' er tea in the comparative example 1 is similar to that in the example 1, except that the strain for flowering in the comparative example 1 is Eurotium cristatum after separation and purification, but is not Fuzhuan tea containing Eurotium cristatum, and other process steps are the same as those in the example 1, and are not repeated.
Comparative example 2
The method for preparing the camellia nitidissima Pu' er tea in the comparative example 2 is similar to that in the example 1, except that the pretreated raw material is not wrapped by the fermentation film for growing flowers in the comparative example 2, and other process steps are the same as those in the example 1, and are not repeated.
Comparative example 3
The method for preparing the camellia nitidissima Pu' er tea in the comparative example 3 is similar to that in the example 1, except that the temperature of the moistened raw materials is not preserved in the comparative example 3, and other process steps are the same as those in the example 1, and are not repeated.
Comparative example 4
The method for preparing camellia nitidissima Pu' er tea in the comparative example 4 is similar to that in the example 1, except that the camellia nitidissima is directly dried in an oven with the temperature of about 60 ℃ during the drying process in the comparative example 4.
Comparative example 5
The method for preparing the camellia nitidissima Pu' er tea in the comparative example 5 is similar to that in the example 1, except that the strain for flowering in the comparative example 5 is Eurotium cristatum after separation and purification, but not Fuzhuan tea containing Eurotium cristatum, and the pretreatment raw material is not wrapped by the fermentation film for flowering in the comparative example 5, and other process steps are the same as those in the example 1, and are not repeated.
Comparative example 6
The method for preparing the camellia nitidissima Pu' er tea in the comparative example 6 is similar to that in the example 1, except that the strain for flowering in the comparative example 6 is Eurotium cristatum after separation and purification, but not Fuzhuan tea containing Eurotium cristatum, the comparative example 6 does not carry out heat preservation treatment on the wet raw material, and does not wrap the pre-treated raw material with a fermentation film for flowering, and other process steps are the same as those in the example 1, and are not repeated.
Contents of camellia nitidissima puerh tea prepared in comparative examples 1 to 7 and comparative examples 1 to 6 were compared, and in detail, comparative indexes include contents of the following substances: tea polyphenols, theaflavin, thearubigin, theabrownin, 1-Deoxynojirimycin (DNJ), and caffeine; wherein the detection method of 1-Deoxynojirimycin (DNJ) is carried out according to a content measurement method recorded in Vol.25 2004, journal of food science and published content measurement of total 1-Deoxynojirimycin (DNJ) in mulberry leaves in different seasons; the contents of other substances in various tea pigments are determined by referring to GB/T8313 & 2008 & methods for detecting the contents of tea polyphenols and catechins in tea, GB/T8312 & 2013 & methods for determining tea caffeine and Roberts respectively, and the results are shown in Table 1.
TABLE 1 content of various Camellia nitidissima contents
Figure BDA0001617794840000131
Figure BDA0001617794840000141
According to the results in table 1, the preparation method of the invention can improve the quality of the fermented tea from the change of the content substances of the fermented tea, and the higher content of thearubigin and theaflavin can improve the liquor color, the taste and the like of the tea soup and can keep the better health care effect of the golden camellia; the camellia nitidissima Pu 'er mulberry leaf tea prepared by the method can also keep the content of 1-Deoxynojirimycin (DNJ) in the camellia nitidissima so as to ensure that the camellia nitidissima Pu' er tea has a good health-care effect. The golden flower Pu' er mulberry leaf tea prepared by the method has a plurality of effects of reducing blood sugar, reducing blood pressure, resisting aging, preventing cancer, inhibiting serum lipid increase, atherosclerosis formation and the like in a certain way from the analysis of contents. The camellia nitidissima prepared by the method has low caffeine content, and can obviously weaken the bitter taste of tea soup.
In summary, the preparation method of the camellia chrysantha Pu 'er tea and the camellia chrysantha Pu' er tea provided by the embodiment of the invention have the beneficial effects that:
according to the preparation method of the camellia nitidissima Pu 'er mulberry leaf tea, provided by the embodiment of the invention, when the camellia nitidissima Pu' er mulberry leaf tea is prepared, the camellia nitidissima Fu brick tea is selected as a flower growing strain for growing, so that the process flow for preparing the flower growing strain can be simplified on one hand, and the quality of the camellia nitidissima can be effectively promoted to be improved on the other hand; according to the preparation method, the raw Pu ' er tea and the mulberry leaves are mixed together to prepare the golden camellia, so that the finally prepared golden camellia Pu ' er mulberry leaf tea can simultaneously have the health-care effects of the raw golden camellia Pu ' er tea and the golden camellia mulberry leaf tea, and the effects of the two golden camellia tea can be mutually promoted; the subsequent processes such as flowering and the like are carried out after the flowering raw material is subjected to heat preservation treatment for a period of time after being moistened, so that the conversion of substances contained in the raw material in the flowering process can be promoted, and the quality of the golden camellia is promoted to be improved; in the preparation process, when the flowering process is carried out, the mixture to be flowered is wrapped together by the fermentation film for flowering, and the formation of the quality of the golden camellia can be facilitated.
The method adopts a powder inoculation method, the product is coated by the preservative film and is filled into a plastic bag, only a certain temperature is controlled, humidity does not need to be controlled, and a large amount of golden flowers can be generated in a short time; the method is suitable for the production of small-batch customized individualized golden camellia, and accords with the development direction of current market demands.
The golden flower Pu' er mulberry leaf tea provided by the embodiment of the invention has better quality, contains more nutrient health-care substances and has certain health-care effect.
The embodiments described above are some, but not all embodiments of the invention. The detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims (7)

1. A preparation method of golden flower Pu' er mulberry leaf tea is characterized by comprising the steps of preparing a flowering strain, preparing a flowering raw material, pretreating and flowering; wherein,
the flower growing strain comprises golden flower Fuzhuan tea;
the preparation of the hair growth raw material comprises treating raw Pu' er tea and folium mori with moist water, and then carrying out heat preservation treatment to obtain a treated raw material; the heat preservation treatment comprises the steps of preserving the heat of the Pu' er tea subjected to the damp treatment and the mulberry leaves for 20-60min at the temperature of 35-45 ℃;
the preparation method of the golden flower Pu 'er mulberry leaf tea is used for preparing golden flower Pu' er mulberry leaf longzhu tea, the pretreatment comprises the steps of mixing 8-12g of the treatment raw material with a flower growing strain, steaming at the temperature of 100-120 ℃ for 20-60s, and then pressing to obtain a pretreatment raw material, wherein the weight of the flower growing strain added in the treatment raw material is 1-3% of the weight of the treatment raw material;
the step of flowering comprises the step of wrapping the pretreatment raw material in a fermentation membrane for flowering; the fermentation film is a preservative film or tin foil paper.
2. The preparation method of golden camellia Pu' er mulberry leaf tea according to claim 1, wherein the golden camellia Fuzhuan tea is powdered.
3. The preparation method of golden camellia Pu 'er tea according to claim 1, wherein the weight ratio of raw Pu' er tea to mulberry leaf is 1-3: 1.
4. The preparation method of golden camellia Pu ' er tea as claimed in claim 1, wherein the moistening treatment comprises moistening the raw Pu ' er tea and the mulberry leaves with water in an amount of 10-20% of the total weight of the raw Pu ' er tea and the mulberry leaves.
5. The preparation method of golden camellia Pu' er mulberry leaf tea as claimed in claim 1, wherein the temperature of the flowering is 26-30 ℃.
6. The method for preparing camellia nitidissima puerh tea according to claim 1, further comprising drying, wherein the drying comprises removing the fermentation membrane, and the drying is carried out by placing the bloomed material at a temperature of 40-45 ℃.
7. A Camellia chrysantha Pu 'er tea characterized by being prepared by the method for preparing the Camellia chrysantha Pu' er tea of any one of claims 1 to 6.
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