CN108041218A - A kind of preparation method of pumpkin black tea composite beverage - Google Patents

A kind of preparation method of pumpkin black tea composite beverage Download PDF

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Publication number
CN108041218A
CN108041218A CN201711336292.6A CN201711336292A CN108041218A CN 108041218 A CN108041218 A CN 108041218A CN 201711336292 A CN201711336292 A CN 201711336292A CN 108041218 A CN108041218 A CN 108041218A
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pumpkin
black tea
composite beverage
preparation
ultrasonication
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李恪言
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Liuzhou Han Elephant Education Consulting Co Ltd
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Liuzhou Han Elephant Education Consulting Co Ltd
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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
    • A23F3/16Tea extraction; Tea extracts; Treating tea extract; Making instant tea
    • A23F3/166Addition of, or treatment with, enzymes or microorganisms
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/02Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation containing fruit or vegetable juices
    • A23L2/04Extraction of juices
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/70Clarifying or fining of non-alcoholic beverages; Removing unwanted matter
    • A23L2/84Clarifying or fining of non-alcoholic beverages; Removing unwanted matter using microorganisms or biological material, e.g. enzymes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/10General methods of cooking foods, e.g. by roasting or frying
    • A23L5/13General methods of cooking foods, e.g. by roasting or frying using water or steam
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/30Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation
    • A23L5/32Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation using phonon wave energy, e.g. sound or ultrasonic waves
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/113Acidophilus
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/169Plantarum

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Zoology (AREA)
  • Non-Alcoholic Beverages (AREA)

Abstract

The invention belongs to food processing technology fields, specifically disclose a kind of preparation method of pumpkin black tea composite beverage.The preparation method of pumpkin black tea composite beverage of the present invention comprises the following steps:(1) raw material selects;(2) raw material weighs:By weight, 59 parts of 13 18 parts of processing pumpkin and black tea are weighed;(3) pumpkin is handled:Boiling, ultrasonication, defibrination and filtration treatment etc. are carried out to pumpkin successively;(4) black tea is handled:Black tea is extracted and ultrasonication;(5) mixing sterilizing;(6) inoculation fermentation;(7) allocate;(8) tinning.The present invention has the characteristics that full of nutrition, flavor is good and good health care effect using pumpkin and black tea as the pumpkin black tea composite beverage that primary raw material is prepared.

Description

A kind of preparation method of pumpkin black tea composite beverage
【Technical field】
The present invention relates to food processing technology fields, and in particular to a kind of preparation method of pumpkin black tea composite beverage.
【Background technology】
Cucurbita herbaceous plant, is fruit also known as pumpkin, Chinese squash of cucurbitaceous plant pumpkin etc., rich in nutrition content. Research shows per 500g pumpkins 4g containing sugar, vitamin 220mg, calcium 56mg, carrotene 2.272g, in addition, pumpkin also contains calabash The substance beneficial to human body such as reed bar alkali, adenine, arginine, pentosan.Pumpkin has very high medical value simultaneously, Prevention diabetes, lipid-loweringing, weight-reducing, cancer-resisting etc. are with a wide range of applications.Contain a kind of title particularly in pumpkin Make the active ingredient of " CTY ", this substance can increase the Glut-Z protein contents lacked in diabetes patient's Stem Cells, from And promote the secretion of human insulin, diabetes patient's tool is had a better effect.
With the increasingly raising of people's living standard, the health care consciousness of people is also increasingly stronger, the demand of pumpkin product Also can be continuously increased.It is also many that the research of various composite beverages is made using pumpkin as raw material, but there is presently no on by south Melon and the compound correlative study for preparing beverage of black tea.
【The content of the invention】
The goal of the invention of the present invention is:In view of the above problems, a kind of system of pumpkin black tea composite beverage is provided Preparation Method.The present invention has full of nutrition, wind using pumpkin and black tea as the pumpkin black tea composite beverage that primary raw material is prepared Taste is good and the characteristics of good health care effect.
To achieve these goals, the technical solution adopted by the present invention is as follows:
A kind of preparation method of pumpkin black tea composite beverage, comprises the following steps:
(1) raw material selects:Select that golden yellow color, epidermis are hard, fiber is few, are raw material without mildew and rot and pest and disease damage pumpkin, After being rinsed with clear water, stalk removes the peel, goes wooden dipper, remove seed, obtains processing pumpkin;Select the pitch-black glossy, bar shaped of color and luster tight thin even neat red Tea is raw material;
(2) raw material weighs:By weight, 5-9 parts of 13-18 parts of processing pumpkin and black tea are weighed;
(3) pumpkin is handled:It will be put into after the squash tissue slice weighed after boiling 5-8min in jacketed pan, add in salt and lemon Acid stirs evenly, then using ultrasonication 3-5min;It is the south that volume is added in the pumpkin crossed toward the ultrasonication Defibrination, filtering are carried out after the water that 2/5 and temperature of melon volume are 30-35 DEG C, obtains first-time filtrate and filter residue;
The filter residue is added in 90-95 DEG C of water after keeping the temperature 4-5min and be cooled to 28-35 DEG C, add in cellulase mixing Uniformly, using ultrasonication 3-5min, defibrination, filtering are carried out again, obtains secondary filtrate and filter residue;Merge first-time filtrate and two Secondary filtrate obtains pumpkin liquid;
(4) black tea is handled:After the black tea weighed is crushed to 50 mesh, the water with 90 DEG C presses 1g:The ratio mixing of 15mL 15min is extracted, and every 3min stirrings once, then use the ultrasonication 8- that temperature is 200W for 35-38 DEG C, power It is filtered after 10min, obtains black tea liquid;
(5) mixing sterilizing:Above-mentioned pumpkin liquid and black tea liquid are mixed into uniform mixed liquor, into the mixed liquor Add in sucrose and citric acid after mixing, sterilize 12-15min at 120 DEG C;
(6) inoculation fermentation:Zymophyte is accessed into the mixed liquor after above-mentioned sterilizing, after the 12h that ferments at 36 DEG C, is filtered Zymotic fluid;The zymophyte is mainly by lactobacillus plantarum, lactobacillus acidophilus and saccharomycete in mass ratio 2:3:1 is mixed;
(7) allocate:Defatted milk, sodium alginate, agar, salt and sterile water is added in into the zymotic fluid to be uniformly mixed, Obtain seasoning liquid;
(8) tinning:By seasoning liquid be placed in 85KPa vacuum under pressure deaerate 30min, at 75 DEG C tinning and cover after, It is sterilized using spraying sterilization machine at 85 DEG C 35min, then filled drink temperature is sprayed to as less than 40 DEG C with cold water, you can obtained The pumpkin black tea composite beverage.
Further, in step (2), by weight, 8 parts of 16 parts of processing pumpkin and black tea are weighed.
Further, in step (3), the addition of the salt and citric acid is respectively 1% He of the pumpkin quality 0.3%.
Further, in step (3), the temperature of the ultrasonication is 30-33 DEG C, power 180W.
Further, in step (6), the zymogenic access amount is the 3.2% of the mixed liquor quality.
Further, in step (7), the addition of the sodium alginate and agar is respectively the zymotic fluid quality 0.2% and 0.1%.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows:
The composite beverage of the present invention is using pumpkin and black tea as main component, and pumpkin and black tea collective effect are full of nutrition, no The effect of one-component strengthening the spleen and stomach, toxin-expelling and face nourishing is only enhanced, health is good, and unique flavor, and sensory effects are good, for south The open new direction of melon product.Wherein, the present invention is combined using boiling and ultrasonic wave and pumpkin is handled, and to for the first time The filter residue being obtained by filtration is heat-treated, digest and ultrasonication after again defibrination filter, ensureing the smooth mouthfeel of beverage In the case of, make the utilization rate of pumpkin raw material up to more than 95.8%, and the percentage of damage of pumpkin cell is substantially increased, so as to improve south The yield of melon active ingredient, the yield of vitamin is reachable up to the yield of more than 91.28%, carrotene in pumpkin liquid of the present invention More than 93.14%;Meanwhile the present invention is combined using extraction and ultrasonic wave and black tea is handled, and is also effectively increased in black tea The recovery rate of the extraction degree of active ingredient, theaflavin and thearubigin is respectively up to 87.3% and more than 90.1%.Further, The present invention sends out pumpkin-black tea mixed liquor using lactobacillus plantarum, lactobacillus acidophilus and composite bacteria made of saccharomycete Ferment processing, effectively improves the flavor of composite beverage, key odorant substance alcohol compound --- the relative amount of alcohols can Up to 43.9%, and the content of the important aroma substance ester type compound of its flavor is influenced up to 19.5%, compared with using single Strain carries out fermentation process, and 10.3-11.5% and 4.9-9.7% has been respectively increased.
【Specific embodiment】
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1
A kind of preparation method of pumpkin black tea composite beverage, comprises the following steps:
(1) raw material selects:Select that golden yellow color, epidermis are hard, fiber is few, are raw material without mildew and rot and pest and disease damage pumpkin, After being rinsed with clear water, stalk removes the peel, goes wooden dipper, remove seed, obtains processing pumpkin;Select the pitch-black glossy, bar shaped of color and luster tight thin even neat red Tea is raw material;
(2) raw material weighs:By weight, 5 parts of 13 parts of processing pumpkin and black tea are weighed;
(3) pumpkin is handled:It will be put into after the squash tissue slice weighed after boiling 5min in jacketed pan, it is respectively institute to add in quality It states the salt of pumpkin quality 1% and 0.3% citric acid stirs evenly, then use the ultrasound that temperature is 180W for 30 DEG C, power Ripple handles 3min;It is 30 DEG C that 2/5 and temperature that volume is the pumpkin volume are added in the pumpkin crossed toward the ultrasonication Water after carry out defibrination, filtering, obtain first-time filtrate and filter residue;
The filter residue is added in 90 DEG C of water after keeping the temperature 4min and be cooled to 28 DEG C, added in cellulase and be uniformly mixed, adopt With the ultrasonication 3min that temperature is 30 DEG C, power is 180W, defibrination, filtering are carried out again, obtains secondary filtrate and filter residue;It closes And first-time filtrate and secondary filtrate, obtain pumpkin liquid;
(4) black tea is handled:After the black tea weighed is crushed to 50 mesh, the water with 90 DEG C presses 1g:The ratio mixing of 15mL 15min is extracted, and every 3min stirrings once, then mistake after using temperature as the ultrasonication 8min that 35 DEG C, power are 200W Filter, obtains black tea liquid;
(5) mixing sterilizing:Above-mentioned pumpkin liquid and black tea liquid are mixed into uniform mixed liquor, into the mixed liquor Add in sucrose and citric acid after mixing, sterilize 12min at 120 DEG C;
(6) inoculation fermentation:Into the mixed liquor after above-mentioned sterilizing, cut-in quality is the fermentation of the mixed liquor quality 3.2% Bacterium ferments after 12h at 36 DEG C, filters to obtain zymotic fluid;The zymophyte is mainly by lactobacillus plantarum, lactobacillus acidophilus and yeast Bacterium in mass ratio 2:3:1 is mixed;
(7) allocate:Into the zymotic fluid, addition defatted milk, quality are respectively 0.2% sea of the zymotic fluid quality Mosanom and 0.1% agar, salt, sterile water are uniformly mixed, and obtain seasoning liquid;
(8) tinning:By seasoning liquid be placed in 85KPa vacuum under pressure deaerate 30min, at 75 DEG C tinning and cover after, It is sterilized using spraying sterilization machine at 85 DEG C 35min, then filled drink temperature is sprayed to as less than 40 DEG C with cold water, you can obtained The pumpkin black tea composite beverage.
Embodiment 2
A kind of preparation method of pumpkin black tea composite beverage, comprises the following steps:
(1) raw material selects:Select that golden yellow color, epidermis are hard, fiber is few, are raw material without mildew and rot and pest and disease damage pumpkin, After being rinsed with clear water, stalk removes the peel, goes wooden dipper, remove seed, obtains processing pumpkin;Select the pitch-black glossy, bar shaped of color and luster tight thin even neat red Tea is raw material;
(2) raw material weighs:By weight, 8 parts of 16 parts of processing pumpkin and black tea are weighed;
(3) pumpkin is handled:It will be put into after the squash tissue slice weighed after boiling 7min in jacketed pan, it is respectively institute to add in quality It states the salt of pumpkin quality 1% and 0.3% citric acid stirs evenly, then use the ultrasound that temperature is 180W for 31 DEG C, power Ripple handles 4min;It is 33 DEG C that 2/5 and temperature that volume is the pumpkin volume are added in the pumpkin crossed toward the ultrasonication Water after carry out defibrination, filtering, obtain first-time filtrate and filter residue;
The filter residue is added in 92 DEG C of water after keeping the temperature 5min and be cooled to 31 DEG C, added in cellulase and be uniformly mixed, adopt With the ultrasonication 4min that temperature is 31 DEG C, power is 180W, defibrination, filtering are carried out again, obtains secondary filtrate and filter residue;It closes And first-time filtrate and secondary filtrate, obtain pumpkin liquid;
(4) black tea is handled:After the black tea weighed is crushed to 50 mesh, the water with 90 DEG C presses 1g:The ratio mixing of 15mL 15min is extracted, and every 3min stirrings once, then mistake after using temperature as the ultrasonication 9min that 37 DEG C, power are 200W Filter, obtains black tea liquid;
(5) mixing sterilizing:Above-mentioned pumpkin liquid and black tea liquid are mixed into uniform mixed liquor, into the mixed liquor Add in sucrose and citric acid after mixing, sterilize 14min at 120 DEG C;
(6) inoculation fermentation:Into the mixed liquor after above-mentioned sterilizing, cut-in quality is the fermentation of the mixed liquor quality 3.2% Bacterium ferments after 12h at 36 DEG C, filters to obtain zymotic fluid;The zymophyte is mainly by lactobacillus plantarum, lactobacillus acidophilus and yeast Bacterium in mass ratio 2:3:1 is mixed;
(7) allocate:Into the zymotic fluid, addition defatted milk, quality are respectively 0.2% sea of the zymotic fluid quality Mosanom and 0.1% agar, salt, sterile water are uniformly mixed, and obtain seasoning liquid;
(8) tinning:By seasoning liquid be placed in 85KPa vacuum under pressure deaerate 30min, at 75 DEG C tinning and cover after, It is sterilized using spraying sterilization machine at 85 DEG C 35min, then filled drink temperature is sprayed to as less than 40 DEG C with cold water, you can obtained The pumpkin black tea composite beverage.
Embodiment 3
A kind of preparation method of pumpkin black tea composite beverage, comprises the following steps:
(1) raw material selects:Select that golden yellow color, epidermis are hard, fiber is few, are raw material without mildew and rot and pest and disease damage pumpkin, After being rinsed with clear water, stalk removes the peel, goes wooden dipper, remove seed, obtains processing pumpkin;Select the pitch-black glossy, bar shaped of color and luster tight thin even neat red Tea is raw material;
(2) raw material weighs:By weight, 9 parts of 18 parts of processing pumpkin and black tea are weighed;
(3) pumpkin is handled:It will be put into after the squash tissue slice weighed after boiling 8min in jacketed pan, it is respectively institute to add in quality It states the salt of pumpkin quality 1% and 0.3% citric acid stirs evenly, then use the ultrasound that temperature is 180W for 33 DEG C, power Ripple handles 5min;It is 35 DEG C that 2/5 and temperature that volume is the pumpkin volume are added in the pumpkin crossed toward the ultrasonication Water after carry out defibrination, filtering, obtain first-time filtrate and filter residue;
The filter residue is added in 95 DEG C of water after keeping the temperature 5min and be cooled to 35 DEG C, added in cellulase and be uniformly mixed, adopt With the ultrasonication 5min that temperature is 33 DEG C, power is 180W, defibrination, filtering are carried out again, obtains secondary filtrate and filter residue;It closes And first-time filtrate and secondary filtrate, obtain pumpkin liquid;
(4) black tea is handled:After the black tea weighed is crushed to 50 mesh, the water with 90 DEG C presses 1g:The ratio mixing of 15mL 15min is extracted, and every 3min stirrings once, then mistake after using temperature as the ultrasonication 10min that 38 DEG C, power are 200W Filter, obtains black tea liquid;
(5) mixing sterilizing:Above-mentioned pumpkin liquid and black tea liquid are mixed into uniform mixed liquor, into the mixed liquor Add in sucrose and citric acid after mixing, sterilize 15min at 120 DEG C;
(6) inoculation fermentation:Into the mixed liquor after above-mentioned sterilizing, cut-in quality is the fermentation of the mixed liquor quality 3.2% Bacterium ferments after 12h at 36 DEG C, filters to obtain zymotic fluid;The zymophyte is mainly by lactobacillus plantarum, lactobacillus acidophilus and yeast Bacterium in mass ratio 2:3:1 is mixed;
(7) allocate:Into the zymotic fluid, addition defatted milk, quality are respectively 0.2% sea of the zymotic fluid quality Mosanom and 0.1% agar, salt, sterile water are uniformly mixed, and obtain seasoning liquid;
(8) tinning:By seasoning liquid be placed in 85KPa vacuum under pressure deaerate 30min, at 75 DEG C tinning and cover after, It is sterilized using spraying sterilization machine at 85 DEG C 35min, then filled drink temperature is sprayed to as less than 40 DEG C with cold water, you can obtained The pumpkin black tea composite beverage.
Compliance test result:Using the pumpkin black tea composite beverage that 1-3 of the embodiment of the present invention is prepared as experimental group 1-3, with existing Some pumpkin fermenting beverages (after pumpkin is carried out boiling, defibrination and filtering, carry out fermentation using lactic acid bacteria and saccharomycete and are prepared into To) it is control group.Under identical condition, sensory evaluation is carried out to above-mentioned each group beverage by the standard of table 1, the results are shown in Table 2:
1 sensory evaluation standard of table
The Analyses Methods for Sensory Evaluation Results of 2 each group beverage of table
Group Color and luster Flavor Mode of appearance Total score (is divided)
Experimental group 1 15 71 9 95
Experimental group 2 14 72 8 94
Experimental group 3 14 71 8 93
Control group 14 63 8 85
Table 2 is combined from table 1, composite beverage of the invention is compared with existing pumpkin fermenting beverage, in commenting for flavor There is larger promotion on valency, illustrate the composite beverage raciness of the present invention, sensory effects are good.
In addition, carrying out the measure of nutrient content to the composite beverage of embodiment 1-3, the content of following nutriment is obtained:Egg White matter 9.15-9.89mg/mL, total reducing sugar 0.108g/mL, vitamin C 532-541 μ g/mL.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair Bright patent claim, the equal variation or modification change completed under the technical spirit suggested by all present invention, should all belong to Cover the scope of the claims in the present invention.

Claims (6)

1. a kind of preparation method of pumpkin black tea composite beverage, which is characterized in that comprise the following steps:
(1) raw material selects:Select that golden yellow color, epidermis are hard, fiber is few, are raw material without mildew and rot and pest and disease damage pumpkin, with clear After water rinses, stalk removes the peel, goes wooden dipper, remove seed, obtains processing pumpkin;Select the tight thin even neat black tea of the pitch-black glossy, bar shaped of color and luster for Raw material;
(2) raw material weighs:By weight, 5-9 parts of 13-18 parts of processing pumpkin and black tea are weighed;
(3) pumpkin is handled:It will be put into after the squash tissue slice weighed after boiling 5-8min in jacketed pan, add in salt and citric acid stirs It mixes uniformly, then using ultrasonication 3-5min;It is the Pumpkin that volume is added in the pumpkin crossed toward the ultrasonication Defibrination, filtering are carried out after the water that 2/5 long-pending and temperature is 30-35 DEG C, obtains first-time filtrate and filter residue;
The filter residue is added in 90-95 DEG C of water after keeping the temperature 4-5min and be cooled to 28-35 DEG C, it is equal to add in cellulase mixing It is even, using ultrasonication 3-5min, defibrination, filtering are carried out again, obtains secondary filtrate and filter residue;Merge first-time filtrate and secondary Filtrate obtains pumpkin liquid;
(4) black tea is handled:After the black tea weighed is crushed to 50 mesh, the water with 90 DEG C presses 1g:The ratio hybrid extraction of 15mL 15min, and every 3min stirrings once, then after using temperature as the ultrasonication 8-10min that 35-38 DEG C, power are 200W Filtering, obtains black tea liquid;
(5) mixing sterilizing:Above-mentioned pumpkin liquid and black tea liquid are mixed into uniform mixed liquor, added in into the mixed liquor After mixing, sterilize 12-15min at 120 DEG C for sucrose and citric acid;
(6) inoculation fermentation:Zymophyte is accessed into the mixed liquor after above-mentioned sterilizing, after the 12h that ferments at 36 DEG C, filtering must ferment Liquid;The zymophyte is mainly by lactobacillus plantarum, lactobacillus acidophilus and saccharomycete in mass ratio 2:3:1 is mixed;
(7) allocate:Defatted milk, sodium alginate, agar, salt and sterile water are added in into the zymotic fluid to be uniformly mixed, and must be adjusted With liquid;
(8) tinning:By seasoning liquid be placed in 85KPa vacuum under pressure deaerate 30min, at 75 DEG C tinning and cover after, use Spraying sterilization machine sterilizes 35min at 85 DEG C, then is sprayed to filled drink temperature with cold water as less than 40 DEG C, you can described in obtaining Pumpkin black tea composite beverage.
2. a kind of preparation method of pumpkin black tea composite beverage according to claim 1, which is characterized in that in step (2), press Parts by weight meter weighs 8 parts of 16 parts of processing pumpkin and black tea.
3. a kind of preparation method of pumpkin black tea composite beverage according to claim 1, which is characterized in that in step (3), institute The addition for stating salt and citric acid is respectively the 1% and 0.3% of the pumpkin quality.
4. a kind of preparation method of pumpkin black tea composite beverage according to claim 1, which is characterized in that in step (3), institute The temperature for stating ultrasonication is 30-33 DEG C, power 180W.
5. a kind of preparation method of pumpkin black tea composite beverage according to claim 1, which is characterized in that in step (6), institute State 3.2% that zymogenic access amount is the mixed liquor quality.
6. a kind of preparation method of pumpkin black tea composite beverage according to claim 1, which is characterized in that in step (7), institute The addition for stating sodium alginate and agar is respectively the 0.2% and 0.1% of the zymotic fluid quality.
CN201711336292.6A 2017-12-14 2017-12-14 A kind of preparation method of pumpkin black tea composite beverage Pending CN108041218A (en)

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CN105249084A (en) * 2015-10-15 2016-01-20 华中农业大学 Preparation method of selenium-rich pumpkin pulp grain beverage
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Application publication date: 20180518