CN109043008A - A kind of preparation method of high-quality black tea tea cream - Google Patents

A kind of preparation method of high-quality black tea tea cream Download PDF

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CN109043008A
CN109043008A CN201810940964.2A CN201810940964A CN109043008A CN 109043008 A CN109043008 A CN 109043008A CN 201810940964 A CN201810940964 A CN 201810940964A CN 109043008 A CN109043008 A CN 109043008A
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temperature
tea
black tea
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田洪玉
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Guizhou Qian Refers To Mountain Ecological Tea Industry Ltd Co
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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
    • 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
    • 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
    • A23F3/18Extraction of water soluble tea constituents
    • 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
    • A23F3/22Drying or concentrating tea extract
    • 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
    • A23V2400/175Rhamnosus

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
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  • Cosmetics (AREA)
  • Tea And Coffee (AREA)

Abstract

The present invention relates to tea processing technology field, a kind of specific preparation method of high-quality black tea tea cream includes the following steps: that S1 takes lotus leaf after high-temperature steam is sterilized, and water-removing to water content is 10-15%;S2 takes water-removing lotus leaf to be put into rolling machine with black tea and rubs again;Lotus leaf after rubbing and black tea are placed in fermentor by S3, sprinkling zymocyte liquid fermentation 10-12h;Distilled water is added into the fermentation material of step S3 by S4, and heating decocts 1.2-1.5h, after decoction, is concentrated under reduced pressure into the 1/3 of original volume, and xylose alcohol and glucose is then added and is uniformly mixed to get tea cream;S5 drying sterilizing;The tea cream of present invention process preparation is stablized, mouthfeel is good, has the health-care effects such as blood pressure lowering, blood lipid, antibacterial.

Description

A kind of preparation method of high-quality black tea tea cream
Technical field
The present invention relates to tea processing technology field, a kind of specific preparation method of high-quality black tea tea cream.
Background technique
Tea cream is to separate tealeaves fibrous matter with tea juice, and the tea juice of acquisition is reprocessed into solid-state instant tea and obtains, tea cream For the essence of tea, ancient china imperial palace is used as emperor's tribute, product drink and health value with higher.Ancient Literature in Chinese note It carries, tea cream has the effect of eliminating indigestion and phlegm, clearing stomach is promoted the production of body fluid;Modern medicine prove tea cream in a variety of Polyphenols oxidation products have compared with Strong removing free radical inhibits lipid oxidation effect, and HIA has the effects that anti-induced mutation, anticancer change, antibacterial, and inhibits huge Lipopolysaccharide-induced generation nitrogen oxides and inhibition LDL oxidation effect in phagocyte.
Through pharmacological research, lotus leaf has antipyretic, bacteriostasis, the expansible blood vessel of Nuciferine contained therein, and clearing away summerheat has The effect of blood pressure lowering, blood lipid, while the good medicine still lost weight, the method for traditional lotus leaf tea making be lotus leaf arteries and veins is removed, blade face is cut After cutting, is rubbed, is dried into lotus leaf tea, although this method can preferably retain the effective component of lotus leaf, millet paste mouthfeel is bitter, Color is not good enough.
In addition, in the majority with Pu'er tea ointment on the market at present, the developmental research of black tea tea cream is less, different material and processing There is larger difference in the tea cream of technique preparation, physical and chemical activating agent sense organ color, therefore, study a kind of utilization lotus leaf preparation Gao Pin Matter black tea tea cream has good development prospect.
Summary of the invention
The present invention is in order to solve the above technical problems, the present invention provides a kind of preparation methods of high-quality black tea tea cream.
Specifically realized according to following technical scheme:
A kind of preparation method of high-quality black tea tea cream, includes the following steps:
S1 takes lotus leaf after high-temperature steam is sterilized, and water-removing to water content is 10- under the conditions of temperature is 228-340 DEG C 15%;
S2 takes water-removing lotus leaf and black tea is (4-7) by weight: 1 ratio is put into rolling machine, is 35-50 DEG C in temperature Under the conditions of rub 10-15min again;
Lotus leaf after rubbing and black tea are placed in fermentor by S3, spray the fermentation of lotus leaf, black tea gross weight 0.02-0.05% Bacterium solution, being placed in temperature is 40-48 DEG C, and humidity is the 10-12h that ferments under conditions of 82-88%;
The distilled water of its weight (3-5) times is added into the fermentation material of step S3 by S4, and heating decocts 1.2-1.5h, decocted Bi Hou is concentrated under reduced pressure into the 1/3 of original volume, and the xylitol and 20-40% times of grape of 3-6% times of concentrate weight is then added Sugar is uniformly mixed to get tea cream;
S5 drying sterilizing: tea cream is put into baking oven, and ease back 20min under the conditions of 30-32 DEG C, is dried under the conditions of 60-65 DEG C Do to tea cream moisture content be 32% when stop drying, then temperature be 120-125 DEG C under the conditions of sterilize 5-8s.
The high-temperature steam, temperature are 128-145 DEG C.
It include liquid Lactobacillus rhamnosus, liquid coronoid process dissipate capsule bacterium, Lenlinus edodes powder, yeast extract in the zymocyte liquid.
The zymocyte liquid, preparation method are as follows: take 1000 parts of syrup, 12-14 parts of sodium chloride, 3-4 parts of Lenlinus edodes are added Powder, 5-7 part yeast extract are inoculated with 1-2 parts of liquid Lactobacillus rhamnosus, 0.2-0.3 parts of liquid coronoid process dissipate capsule bacterium, then in temperature It is cultivated 3 days under the conditions of being 10-15 DEG C, then is placed under the conditions of temperature is 25-30 DEG C and cultivates 4 days.
Sugared content is 40-45% in the syrup.
The sugar, Brix degree are 80-90Bx °.
The heating decocts, and is first to decoct 0.2-0.3h under the conditions of temperature is 50-55 DEG C, is warming up to 62-78 DEG C of condition Lower decoction 0.4-0.6h, then decocted under the conditions of being warming up to 87-95 DEG C, decoction total time is 1.2-1.5h, a length of when heating every time 2-5min。
It is 0.7-0.8MPa that the reduced pressure, which is first in pressure, and temperature is concentrated into original volume 3/ under the conditions of being 30-40 DEG C 4, it is then 0.45-0.6MPa in pressure, temperature is concentrated into original volume 2/3 under the conditions of being 65-73 DEG C, is then in pressure 0.23-0.36MPa, temperature are concentrated into original volume 1/3 under the conditions of being 80-85 DEG C.
The beneficial effects of the present invention are:
Lotus leaf after high-temperature steam is sterilized, is effectively destroyed lotus leaf cell wall by the present invention, helps to improve fermentation and water Extraction effect recycles high-temperature fixation, shortens fixation time, eliminate lotus leaf sentimental taste;Lotus leaf and black tea are subjected to weight again It rubs, improves cell crashing ratio, further improve fermentation and water extraction effect.
The present invention using Lactobacillus rhamnosus, liquid coronoid process dissipate capsule bacterium, Lenlinus edodes powder, yeast extract probiotics by being carried out Fermentation process so that the effective component leaching rate in lotus leaf and tealeaves is high, and has dual regulation effect to polyphenol content, makes Polyphenol content is obtained about 9.8% or so, also improves free amino acid and content of tea polysaccharide;A variety of probiotics cooperation fermentations, Thearubigin, theaflavin content and the negatively correlated problem of coronoid process dissipate capsule bacterium quantity are further improved, and then helps and guarantees that liquor color is red It is bright.
The present invention has been fully dissolved out effective component, has improved exterior quality and the nutrition of tea cream by being mentioned using heating water Value;In conjunction with reduced pressure, the volatility of aromatic substance is reduced, and then ensure that the fragrance of black tea cream is harmonious.
In conclusion the tea cream of present invention process preparation is stablized, mouthfeel is good, there are the health cares such as blood pressure lowering, blood lipid, antibacterial Effect.
Specific embodiment
Specific embodiments of the present invention will be described in further detail below, but the invention is not limited to these realities Mode is applied, it is claimed to still fall within the claims in the present invention for any improvement or replacement on the present embodiment essence spirit Range.
Embodiment 1
A kind of preparation method of high-quality black tea tea cream, includes the following steps:
S1 takes lotus leaf after high-temperature steam is sterilized, and water-removing to water content is 15% under the conditions of temperature is 340 DEG C;
S2 takes water-removing lotus leaf and black tea is that the ratio of 7:1 is put into rolling machine by weight, under the conditions of temperature is 50 DEG C 15min is rubbed again;
Lotus leaf after rubbing and black tea are placed in fermentor by S3, the zymocyte liquid of sprinkling lotus leaf, black tea gross weight 0.05%, Being placed in temperature is 40-48 DEG C, and humidity is the 12h that ferments under conditions of 82-88%;
The distilled water of 5 times of its weight is added into the fermentation material of step S3 by S4, and heating decocts 1.5h, after decoction, subtracts Pressure is concentrated into the 1/3 of original volume, and 6% times of xylitol of concentrate weight is then added and 40% times of glucose is uniformly mixed, Up to tea cream;
S5 drying sterilizing: tea cream is put into baking oven, and ease back 20min under the conditions of 32 DEG C, is dried to tea under the conditions of 65 DEG C Stop drying when cream moisture content is 32%, then sterilizes 8s under the conditions of temperature is 125 DEG C.
The high-temperature steam, temperature are 145 DEG C.
It include liquid Lactobacillus rhamnosus, liquid coronoid process dissipate capsule bacterium, Lenlinus edodes powder, yeast extract in the zymocyte liquid.
The zymocyte liquid, preparation method are as follows: take 1000g syrup, 14g sodium chloride, 4g Lenlinus edodes powder, 7g yeast is added Powder is soaked, liquid Lactobacillus rhamnosus 2g, liquid coronoid process dissipate capsule bacterium 0.3g are inoculated with, is then cultivated 3 days under the conditions of temperature is 15 DEG C, It is placed under the conditions of temperature is 30 DEG C and cultivates 4 days again.
Sugared content is 45% in the syrup.
The sugar, Brix degree are 90Bx °.
The heating decocts, and is first to decoct 0.3h under the conditions of temperature is 55 DEG C, decocts 0.6h under the conditions of being warming up to 78 DEG C, It is decocted under the conditions of being warming up to 95 DEG C again, decoction total time is 1.5h, every time a length of 5min when heating.
It is 0.8MPa that the reduced pressure, which is first in pressure, and temperature is concentrated into original volume 3/4 under the conditions of being 40 DEG C, then It is 0.6MPa in pressure, temperature is concentrated into original volume 2/3 under the conditions of being 73 DEG C, is then 0.36MPa in pressure, temperature is 85 DEG C Under the conditions of be concentrated into original volume 1/3.
Embodiment 2
A kind of preparation method of high-quality black tea tea cream, includes the following steps:
S1 takes lotus leaf after high-temperature steam is sterilized, and water-removing to water content is 10% under the conditions of temperature is 228 DEG C;
S2 takes water-removing lotus leaf and black tea is that the ratio of 4:1 is put into rolling machine by weight, under the conditions of temperature is 35 DEG C 10min is rubbed again;
Lotus leaf after rubbing and black tea are placed in fermentor by S3, the zymocyte liquid of sprinkling lotus leaf, black tea gross weight 0.02%, Being placed in temperature is 40 DEG C, and humidity is fermented 10h under conditions of being 82%;
The distilled water of 3 times of its weight is added into the fermentation material of step S3 by S4, and heating decocts 1.2h, after decoction, subtracts Pressure is concentrated into the 1/3 of original volume, and 3% times of xylitol of concentrate weight is then added and 20% times of glucose is uniformly mixed, Up to tea cream;
S5 drying sterilizing: tea cream is put into baking oven, and ease back 20min under the conditions of 30 DEG C, is dried to tea under the conditions of 60 DEG C Stop drying when cream moisture content is 32%, then sterilizes 5s under the conditions of temperature is 120 DEG C.
The high-temperature steam, temperature are 128 DEG C.
It include liquid Lactobacillus rhamnosus, liquid coronoid process dissipate capsule bacterium, Lenlinus edodes powder, yeast extract in the zymocyte liquid.
The zymocyte liquid, preparation method are as follows: take 1000g syrup, 12g sodium chloride, 3g Lenlinus edodes powder, 5g yeast is added Powder is soaked, liquid Lactobacillus rhamnosus 1g, liquid coronoid process dissipate capsule bacterium 0.2g are inoculated with, is then cultivated 3 days under the conditions of temperature is 10 DEG C, It is placed under the conditions of temperature is 25 DEG C and cultivates 4 days again.
Sugared content is 40% in the syrup.
The sugar, Brix degree are 80Bx °.
The heating decocts, and is first to decoct 0.2h under the conditions of temperature is 50 DEG C, decocts 0.4h under the conditions of being warming up to 62 DEG C, It is decocted under the conditions of being warming up to 87 DEG C again, decoction total time is 1.2h, every time a length of 2min when heating.
It is 0.7MPa that the reduced pressure, which is first in pressure, and temperature is concentrated into original volume 3/4 under the conditions of being 30 DEG C, then It is 0.45MPa in pressure, temperature is concentrated into original volume 2/3 under the conditions of being 65 DEG C, is then 0.23MPa, temperature 80 in pressure Original volume 1/3 is concentrated under the conditions of DEG C.
Embodiment 3
A kind of preparation method of high-quality black tea tea cream, includes the following steps:
S1 takes lotus leaf after high-temperature steam is sterilized, and water-removing to water content is 12% under the conditions of temperature is 300 DEG C;
S2 takes water-removing lotus leaf and black tea is that the ratio of 5:1 is put into rolling machine by weight, under the conditions of temperature is 45 DEG C 12min is rubbed again;
Lotus leaf after rubbing and black tea are placed in fermentor by S3, the zymocyte liquid of sprinkling lotus leaf, black tea gross weight 0.03%, Being placed in temperature is 45 DEG C, and humidity is fermented 11h under conditions of being 85%;
The distilled water of its weight (3-5) times is added into the fermentation material of step S3 by S4, and heating decocts 1.3h, and decoction finishes Afterwards, it is concentrated under reduced pressure into the 1/3 of original volume, 5% times of concentrate weight of xylitol and the mixing of 30% times of glucose is then added Uniformly to get tea cream;
S5 drying sterilizing: tea cream is put into baking oven, and ease back 20min under the conditions of 31 DEG C, is dried to tea under the conditions of 62 DEG C Stop drying when cream moisture content is 32%, then sterilizes 7s under the conditions of temperature is 122 DEG C.
The high-temperature steam, temperature are 132 DEG C.
It include liquid Lactobacillus rhamnosus, liquid coronoid process dissipate capsule bacterium, Lenlinus edodes powder, yeast extract in the zymocyte liquid.
The zymocyte liquid, preparation method are as follows: take 1000g syrup, 13g sodium chloride, 3.5g Lenlinus edodes powder, 6g ferment is added Mother's leaching powder, is inoculated with liquid Lactobacillus rhamnosus 1.4g, liquid coronoid process dissipate capsule bacterium 0.25g, then trains under the conditions of temperature is 13 DEG C It educates 3 days, then is placed under the conditions of temperature is 28 DEG C and cultivates 4 days.
Sugared content is 42% in the syrup.
The sugar, Brix degree are 85Bx °.
The heating decocts, and is first to decoct 0.25h under the conditions of temperature is 52 DEG C, decocts under the conditions of being warming up to 70 DEG C 0.5h, then decocted under the conditions of being warming up to 90 DEG C, decoction total time is 1.3h, every time a length of 4min when heating.
It is 0.75MPa that the reduced pressure, which is first in pressure, and temperature is concentrated into original volume 3/4 under the conditions of being 35 DEG C, then It is 0.55MPa in pressure, temperature is concentrated into original volume 2/3 under the conditions of being 68 DEG C, is then 0.30MPa, temperature 82 in pressure Original volume 1/3 is concentrated under the conditions of DEG C.
Comparative example 1
A kind of preparation method of high-quality black tea tea cream, includes the following steps:
S1 takes lotus leaf after high-temperature steam is sterilized, and water-removing to water content is 12% under the conditions of temperature is 300 DEG C;
S2 takes water-removing lotus leaf and black tea is that the ratio of 5:1 is put into rolling machine by weight, under the conditions of temperature is 45 DEG C 12min is rubbed again;
Lotus leaf after rubbing and black tea are placed in fermentor by S3, the zymocyte liquid of sprinkling lotus leaf, black tea gross weight 0.03%, Being placed in temperature is 45 DEG C, and humidity is fermented 11h under conditions of being 85%;
The distilled water of its weight (3-5) times is added into the fermentation material of step S3 by S4, and heating decocts 1.3h, and decoction finishes It afterwards, is 0.55MPa in pressure, temperature is concentrated into the 1/3 of original volume under conditions of being 68 DEG C, concentrate weight 5% is then added Xylitol again and 30% times of glucose are uniformly mixed to get tea cream;
S5 drying sterilizing: tea cream is put into baking oven, and ease back 20min under the conditions of 31 DEG C, is dried to tea under the conditions of 62 DEG C Stop drying when cream moisture content is 32%, then sterilizes 7s under the conditions of temperature is 122 DEG C.
The high-temperature steam, temperature are 132 DEG C.
It include liquid Lactobacillus rhamnosus, liquid coronoid process dissipate capsule bacterium, Lenlinus edodes powder, yeast extract in the zymocyte liquid.
The zymocyte liquid, preparation method are as follows: take 1000g syrup, 13g sodium chloride, 3.5g Lenlinus edodes powder, 6g ferment is added Mother's leaching powder, is inoculated with liquid Lactobacillus rhamnosus 1.4g, liquid coronoid process dissipate capsule bacterium 0.25g, then trains under the conditions of temperature is 13 DEG C It educates 3 days, then is placed under the conditions of temperature is 28 DEG C and cultivates 4 days.
Sugared content is 42% in the syrup.
The sugar, Brix degree are 85Bx °.
The heating decocts, and is first to decoct 0.25h under the conditions of temperature is 52 DEG C, decocts under the conditions of being warming up to 70 DEG C 0.5h, then decocted under the conditions of being warming up to 90 DEG C, decoction total time is 1.3h, every time a length of 4min when heating.
Comparative example 2
A kind of preparation method of high-quality black tea tea cream, includes the following steps:
S1 takes lotus leaf after high-temperature steam is sterilized, and water-removing to water content is 12% under the conditions of temperature is 300 DEG C;
S2 takes water-removing lotus leaf and black tea is that the ratio of 5:1 is put into rolling machine by weight, under the conditions of temperature is 45 DEG C 12min is rubbed again;
Lotus leaf after rubbing and black tea are placed in fermentor by S3, the zymocyte liquid of sprinkling lotus leaf, black tea gross weight 0.03%, Being placed in temperature is 45 DEG C, and humidity is fermented 11h under conditions of being 85%;
The distilled water of its weight (3-5) times is added into the fermentation material of step S3 by S4, decocts 1.3h under the conditions of 70 DEG C, decocts After boiling, it is concentrated under reduced pressure into the 1/3 of original volume, 5% times of xylitol of concentrate weight and 30% times of grape is then added Sugar is uniformly mixed to get tea cream;
S5 drying sterilizing: tea cream is put into baking oven, and ease back 20min under the conditions of 31 DEG C, is dried to tea under the conditions of 62 DEG C Stop drying when cream moisture content is 32%, then sterilizes 7s under the conditions of temperature is 122 DEG C.
The high-temperature steam, temperature are 132 DEG C.
It include liquid Lactobacillus rhamnosus, liquid coronoid process dissipate capsule bacterium, Lenlinus edodes powder, yeast extract in the zymocyte liquid.
The zymocyte liquid, preparation method are as follows: take 1000g syrup, 13g sodium chloride, 3.5g Lenlinus edodes powder, 6g ferment is added Mother's leaching powder, is inoculated with liquid Lactobacillus rhamnosus 1.4g, liquid coronoid process dissipate capsule bacterium 0.25g, then trains under the conditions of temperature is 13 DEG C It educates 3 days, then is placed under the conditions of temperature is 28 DEG C and cultivates 4 days.
Sugared content is 42% in the syrup.
The sugar, Brix degree are 85Bx °.
It is 0.75MPa that the reduced pressure, which is first in pressure, and temperature is concentrated into original volume 3/4 under the conditions of being 35 DEG C, then It is 0.55MPa in pressure, temperature is concentrated into original volume 2/3 under the conditions of being 68 DEG C, is then 0.30MPa, temperature 82 in pressure Original volume 1/3 is concentrated under the conditions of DEG C.
Comparative example 3
A kind of preparation method of high-quality black tea tea cream, includes the following steps:
S1 takes lotus leaf after high-temperature steam is sterilized, and water-removing to water content is 12% under the conditions of temperature is 300 DEG C;
S2 takes water-removing lotus leaf and black tea is that the ratio of 5:1 is put into rolling machine by weight, under the conditions of temperature is 45 DEG C 12min is rubbed again;
Lotus leaf after rubbing and black tea are placed in fermentor by S3, the zymocyte liquid of sprinkling lotus leaf, black tea gross weight 0.03%, Being placed in temperature is 45 DEG C, and humidity is fermented 11h under conditions of being 85%;
The distilled water of its weight (3-5) times is added into the fermentation material of step S3 by S4, and heating decocts 1.3h, and decoction finishes Afterwards, it is concentrated under reduced pressure into the 1/3 of original volume, 5% times of concentrate weight of xylitol and the mixing of 30% times of glucose is then added Uniformly to get tea cream;
S5 drying sterilizing: tea cream is put into baking oven, and ease back 20min under the conditions of 31 DEG C, is dried to tea under the conditions of 62 DEG C Stop drying when cream moisture content is 32%, then sterilizes 7s under the conditions of temperature is 122 DEG C.
The high-temperature steam, temperature are 132 DEG C.
It include liquid Lactobacillus rhamnosus, liquid coronoid process dissipate capsule bacterium, Lenlinus edodes powder, yeast extract in the zymocyte liquid.
The zymocyte liquid, preparation method are as follows: take 1000g syrup, 13g sodium chloride, 3.5g Lenlinus edodes powder, 6g ferment is added Mother's leaching powder, is inoculated with liquid Lactobacillus rhamnosus 1.4g, then cultivates 3 days under the conditions of temperature is 13 DEG C, then being placed in temperature is 28 It is cultivated 4 days under the conditions of DEG C.
Sugared content is 42% in the syrup.
The sugar, Brix degree are 85Bx °.
The heating decocts, and is first to decoct 0.25h under the conditions of temperature is 52 DEG C, decocts under the conditions of being warming up to 70 DEG C 0.5h, then decocted under the conditions of being warming up to 90 DEG C, decoction total time is 1.3h, every time a length of 4min when heating.
It is 0.75MPa that the reduced pressure, which is first in pressure, and temperature is concentrated into original volume 3/4 under the conditions of being 35 DEG C, then It is 0.55MPa in pressure, temperature is concentrated into original volume 2/3 under the conditions of being 68 DEG C, is then 0.30MPa, temperature 82 in pressure Original volume 1/3 is concentrated under the conditions of DEG C.
Black tea prepared by embodiment 3 and comparative example 1-3 is subjected to organoleptic quality evaluations, as shown in table 1:
Table 1
Test example 2
Stability test
The embodiment 1-3 and comparative example 1-3 black tea tea cream prepared is taken into 5g, pure water 95mL at a temperature of 90 °C is added to carry out It brews, is subsequently placed in 1 week at room temperature, storage effect is shown in Table 2:
Table 2
Color change Muddiness variation Precipitating variation Mildew variation
Embodiment 1 The faint intensification of color It is slightly muddy Without precipitating Without mould
Embodiment 2 The faint intensification of color It is slightly muddy A little precipitating Without mould
Embodiment 3 The faint intensification of color Without muddiness Without precipitating Without mould
Comparative example 1 Color burn It is serious muddy A large amount of precipitatings Without mould
Comparative example 2 Color burn It is serious muddy A large amount of precipitatings There is mould
Comparative example 3 Color burn It is slightly muddy A little precipitating There is mould
Test example 3
Blood sugar test
Kunming mouse 60 of 30 ± 2g are taken, half male and half female is randomly divided into control group, experimental group, after fasting for 24 hours, to two groups Kunming mouse is gavaged alloxan (or streptozotocin) by the amount of 45mg/kg, conventinal breeding is carried out, the difference is that right afterwards for 24 hours Experimental group Kunming mouse gavages embodiment 3, and control group Kunming mouse gavages commercially available hypoglycemic drug, in order to make experiment mice glycometabolism function Energy state is consistent as far as possible, also for accurately the dosage of given the test agent, the preceding two groups of Kunming mouses of experiment should be tight according to the weight Lattice fasting (can't help water), and experiment front and back fasted conditions should be consistent, and Kunming mouse should replace sark while fasting, prohibit after administration Food 2~4, is respectively measured the blood-sugar content of two groups of Kunming mouses, the results are shown in Table 3:
Table 3
Project Blood-sugar content mmol/L before being administered Blood-sugar content mmol/L after administration
Experimental group 21.6 12.2
Control group 21.5 13.7

Claims (8)

1. a kind of preparation method of high-quality black tea tea cream, which comprises the steps of:
S1 takes lotus leaf after high-temperature steam is sterilized, and water-removing to water content is 10-15% under the conditions of temperature is 228-340 DEG C;
S2 takes water-removing lotus leaf and black tea is (4-7) by weight: 1 ratio is put into rolling machine, is 35-50 DEG C of condition in temperature It is lower heavy to rub 10-15min;
Lotus leaf after rubbing and black tea are placed in fermentor by S3, the zymophyte of sprinkling lotus leaf, black tea gross weight 0.02-0.05% Liquid, being placed in temperature is 40-48 DEG C, and humidity is the 10-12h that ferments under conditions of 82-88%;
The distilled water of its weight (3-5) times is added into the fermentation material of step S3 by S4, and heating decocts 1.2-1.5h, and decoction finishes Afterwards, it is concentrated under reduced pressure into the 1/3 of original volume, the xylitol and 20-40% times of glucose of 3-6% times of concentrate weight is then added It is uniformly mixed to get tea cream;
S5 drying sterilizing: tea cream is put into baking oven, and ease back 20min under the conditions of 30-32 DEG C, is dried under the conditions of 60-65 DEG C Stop drying when tea cream moisture content is 32%, then sterilizes 5-8s under the conditions of temperature is 120-125 DEG C.
2. the preparation method of high-quality black tea tea cream as described in claim 1, which is characterized in that the high-temperature steam, temperature Degree is 128-145 DEG C.
3. the preparation method of high-quality black tea tea cream as described in claim 1, which is characterized in that include in the zymocyte liquid Liquid Lactobacillus rhamnosus, liquid coronoid process dissipate capsule bacterium, Lenlinus edodes powder, yeast extract.
4. the preparation method of high-quality black tea tea cream as claimed in claim 3, which is characterized in that the zymocyte liquid is matched Method processed are as follows: take 1000 parts of syrup, 12-14 parts of sodium chloride, 3-4 parts of Lenlinus edodes powder, 5-7 parts of yeast extracts are added, be inoculated with liquid Then 1-2 parts of Lactobacillus rhamnosus, 0.2-0.3 parts of liquid coronoid process dissipate capsule bacterium are cultivated 3 days under the conditions of temperature is 10-15 DEG C, then It is placed under the conditions of temperature is 25-30 DEG C and cultivates 4 days.
5. the preparation method of high-quality black tea tea cream as claimed in claim 4, which is characterized in that sugared content is in the syrup 40-45%.
6. the preparation method of high-quality black tea tea cream as claimed in claim 5, which is characterized in that the sugar, Brix degree are 80-90Bx°。
7. the preparation method of high-quality black tea tea cream as described in claim 1, which is characterized in that the heating decocts, and is first 0.2-0.3h is decocted under the conditions of temperature is 50-55 DEG C, 0.4-0.6h is decocted under the conditions of being warming up to 62-78 DEG C, then be warming up to 87- It is decocted under the conditions of 95 DEG C, decoction total time is 1.2-1.5h, every time a length of 2-5min when heating.
8. the preparation method of high-quality black tea tea cream as described in claim 1, which is characterized in that the reduced pressure is first It is 0.7-0.8MPa in pressure, temperature is concentrated into original volume 3/4 under the conditions of being 30-40 DEG C, is then 0.45- in pressure 0.6MPa, temperature are concentrated into original volume 2/3 under the conditions of being 65-73 DEG C, are then 0.23-0.36MPa, temperature 80- in pressure Original volume 1/3 is concentrated under the conditions of 85 DEG C.
CN201810940964.2A 2018-08-17 2018-08-17 A kind of preparation method of high-quality black tea tea cream Pending CN109043008A (en)

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Application publication date: 20181221