CN104255991A - Instant gynura bicolor and red tea powder and preparation method thereof - Google Patents
Instant gynura bicolor and red tea powder and preparation method thereof Download PDFInfo
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- CN104255991A CN104255991A CN201410549759.5A CN201410549759A CN104255991A CN 104255991 A CN104255991 A CN 104255991A CN 201410549759 A CN201410549759 A CN 201410549759A CN 104255991 A CN104255991 A CN 104255991A
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- gynura bicolor
- tea powder
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Abstract
The invention discloses instant gynura bicolor and red tea powder and a preparation method thereof. The preparation method comprises the following steps: selecting materials, performing enzymolysis, performing vacuum microwave drying, performing deep refrigeration superfine grinding, extracting, concentrating, and performing freeze-drying to obtain the instant gynura bicolor and red tea powder. The instant gynura bicolor and red tea powder is improved in flavor, can effectively retain natural nutritional ingredients of gynura bicolor, and is convenient to carry; the preparation process is simple, feasible, low in cost and suitable for industrialized production. By spraying cellulase liquid, the leaching rate is increased and the flavor of the gynura bicolor is improved; gynura bicolor leaves are dried in combination with a vacuum microwave drying technology to retain the natural nutritional ingredients in the instant tea powder; the instant tea powder has the flavor characteristic of freshly brewed red tea and can be widely used in other foods such as solid milk tea and tea drinks.
Description
Technical field
The invention belongs to food processing field, be specifically related to a kind of Gynura bicolor instant black tea powder and preparation method thereof.
Background technology
Tea-drinking, as a kind of natural beverage of graceful material benefit, has unique local flavor and the combination of mouthfeel, particularly tealeaves and edible natural raw material, more strengthens its health-care efficacy.Because it contains the multiple amino acid useful to human body and trace element, there is the effects such as delicate fragrance is quenched one's thirst, refreshing health-care simultaneously, be subject to liking of people always.
Gynura bicolor is a kind of popular vegetables, be rich in the iron element, provitamin A, flavone compound etc. of hematopoiesis function, there is clearing heat and detoxicating, cough with lung heat, the effect such as promote the production of body fluid to quench thirst, for raising body immunity and some disease for the treatment of, there is good dietary function, having higher edibility and medical value, is generally acknowledged health food.At present, the edible way of Gynura bicolor is is mainly stir-fried and eaten, cook and cold and dressed with sauce, and not only nutrient loss is more, and local flavor is slightly poor.
Summary of the invention
The object of the present invention is to provide a kind of Gynura bicolor instant black tea powder and preparation method thereof, the instant black tea powder local flavor obtained improves, effectively can retain Gynura bicolor natural nutrient component, be convenient for carrying, manufacture craft is simple, with low cost, is applicable to suitability for industrialized production.
For achieving the above object, the present invention adopts following technical em-bodiments:
The present invention protects a kind of preparation method of Gynura bicolor instant black tea powder, through selection, enzymolysis, vacuum microwave drying, deep-freezing ultramicro grinding, lixiviate, concentrated, freeze drying, obtains Gynura bicolor instant black tea powder;
Concrete preparation method is as follows:
1) selection: choose fresh, not have disease and pest Gynura bicolor blade, wash, dry;
2) enzymolysis: evenly spray the cellulase solution that mass concentration is 0.5 ~ 1.5% on blade;
3) vacuum microwave drying: Absolute truth reciprocal of duty cycle 50-80kpa, microwave power 1.0 ~ 3.0 kw/kg, time 4-6min; 4) deep-freezing ultramicro grinding: the material quick-frozen after vacuum microwave drying is made its organization internal moisture fully charge, then ultramicro grinding to 20 ~ 100 μm to-45 DEG C ~-180 DEG C;
5) lixiviate: the material after ultramicro grinding adds the flooding of pH 5.5-6, extraction temperature is 45 DEG C ~ 60 DEG C; Extraction time is 15min ~ 45min, solid-liquid ratio w/v=1:10 ~ 1:30, and filter, leaching liquor is cooled to 10 DEG C ~ 20 DEG C;
6) concentrated, freeze drying.
The present invention also protects the Gynura bicolor instant black tea powder obtained by described preparation method.
The present invention improves local flavor by cellulase degradation, promotes human body to the absorption of Gynura bicolor nutritional labeling, improves leaching rate.In conjunction with vacuum microwave drying, freezing ultramicro grinding, retain Gynura bicolor natural nutrient component.The present invention effectively can preserve the nutritional labeling of Gynura bicolor, and production efficiency is high, is conducive to absorption of human body, and product color is good, local flavor is fresh refreshing; Manufacture craft is simple, with low cost, is applicable to suitability for industrialized production.
Advantage of the present invention:
(1) the present invention adopts cellulase degradation technology, improves Gynura bicolor local flavor, promotes human body to the absorption of Gynura bicolor nutritional labeling, improves leaching rate.
(2) the present invention carries out drying, pulverizing in conjunction with vacuum microwave drying, deep-freezing superfine communication technique to Gynura bicolor blade, retains the natural nutrient component of Gynura bicolor.
(3) the Gynura bicolor instant black tea powder made by method of the present invention has the local flavor of existing bubble black tea, and color and luster glow is distinct, makes tea bag, is convenient for carrying.Gynura bicolor natural nutrient component can be retained, drink for a long time and there is good health care, can be used as a kind of family party, spend a holiday leisure leisure beverage.
Detailed description of the invention
Embodiment 1
A preparation method for Gynura bicolor instant black tea powder, is characterized in that: selection, enzymolysis, vacuum microwave drying, ultramicro grinding, lixiviate, filtration, concentrated, freeze drying obtain Gynura bicolor instant black tea powder;
Its preparation method is as follows:
1) selection: choose maturation, fresh, the Gynura bicolor blade that do not have disease and pest, wash, dry.
2) enzymolysis: evenly spray the cellulase solution that mass concentration is 0.5% on fresh blade.
3) vacuum microwave drying: Absolute truth reciprocal of duty cycle 80kpa, microwave power 3.0 kw/kg, time 5min.
4) ultramicro grinding: pulverize 10min with BFM-6 type Baily pulverizing mill after cryogenic refrigeration, granular powder is broken to 20 ~ 100 μm.
5) lixiviate: extraction temperature is 55 DEG C; Extraction time is 30min, tea-water proportion 1g:20mL, and lixiviate is the water of pH 5.9, is cooled to 10 DEG C.
6) concentrated, freeze drying: 40 DEG C of Vacuum Concentrations, freeze drying.
7) tea bag is made: 2g/ wraps.
Embodiment 2
A preparation method for Gynura bicolor instant black tea powder, is characterized in that: selection, enzymolysis, vacuum microwave drying, ultramicro grinding, lixiviate, filtration, concentrated, freeze drying obtain Gynura bicolor instant black tea powder;
Its preparation method is as follows:
1) selection: choose maturation, fresh, the Gynura bicolor blade that do not have disease and pest, wash, dry.
2) enzymolysis: evenly spray the cellulase solution that mass concentration is 1.5% on fresh blade.
3) vacuum microwave drying: Absolute truth reciprocal of duty cycle 50kpa, microwave power 1.5 kw/kg, time 5min.
4) ultramicro grinding: pulverize 10min with BFM-6 type Baily pulverizing mill after cryogenic refrigeration, granular powder is broken to 20 ~ 100 μm.
5) lixiviate: extraction temperature is 45 DEG C; Extraction time is 30min, tea-water proportion 1g:30mL, and lixiviate is the water of pH 5.5, is cooled to 10 DEG C.
6) concentrated, freeze drying: 40 DEG C of Vacuum Concentrations, freeze drying.
7) tea bag is made: 2g/ wraps.
Embodiment 3
A preparation method for Gynura bicolor instant black tea powder, is characterized in that: selection, enzymolysis, vacuum microwave drying, ultramicro grinding, lixiviate, filtration, concentrated, freeze drying obtain Gynura bicolor instant black tea powder;
Its preparation method is as follows:
1) selection: choose maturation, fresh, the Gynura bicolor blade that do not have disease and pest, wash, dry.
2) enzymolysis: evenly spray the cellulase solution that mass concentration is 1% on fresh blade.
3) vacuum microwave drying: Absolute truth reciprocal of duty cycle 60kpa, microwave power 1.5 kw/kg, time 5min.
4) ultramicro grinding: pulverize 10min with BFM-6 type Baily pulverizing mill after cryogenic refrigeration, granular powder is broken to 20 ~ 100 μm.
5) lixiviate: extraction temperature is 45 DEG C; Extraction time is 30min, tea-water proportion 1g:25mL, and lixiviate is the water of pH 5.7, is cooled to 10 DEG C.
6) concentrated, freeze drying: 40 DEG C of Vacuum Concentrations, freeze drying.
7) tea bag is made: 2g/ wraps.
By Traditional health care method for preparing drink (selection, clean, drain, pulverize, lixiviate, filtration, Normal juice dilution, allotment, cooling, obtaining Gynura bicolor finished product) the Gynura bicolor instant black tea powder finished product made with embodiment 1, embodiment 2, embodiment 3 measures the index of correlation of organoleptic quality, nutritional labeling, extracting effect under the same conditions, and measurement result is respectively in table 1, table 2, table 3.
Table 1. different processing methods is on the impact of Gynura bicolor finished product organoleptic quality
Table 2. different processing methods is on the impact of Gynura bicolor finished product main nutrient composition and inorganic element content
Table 3. different processing methods is on the impact of Gynura bicolor finished product extracting effect
Pure by table 1, table 2, the known Gynura bicolor instant black tea powder finished product fragrance of the present invention of table 3, bright and lustrous, clean taste, the finished product that nutritional labeling and inorganic element content are made compared with conventional method is high, effectively remain the natural nutrient component of Gynura bicolor, extracting effect is also better.
The present invention improves Gynura bicolor mouthfeel by cellulase degradation, promotes that human body is to the absorption of Gynura bicolor nutritional labeling.In conjunction with vacuum microwave drying, freezing superfine communication technique, drying, pulverizing are carried out to Gynura bicolor blade, retain the natural nutrient component of Gynura bicolor, the Gynura bicolor instant black tea powder made has the local flavor of existing bubble black tea, color and luster glow is distinct, make tea bag to be convenient for carrying, can be used as a kind of family party, spend a holiday leisure leisure beverage.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (2)
1. a preparation method for Gynura bicolor instant black tea powder, is characterized in that: through selection, enzymolysis, vacuum microwave drying, deep-freezing ultramicro grinding, lixiviate, concentrated, freeze drying, obtain Gynura bicolor instant black tea powder;
Concrete preparation method is as follows:
Selection: choose fresh, not have disease and pest Gynura bicolor blade, wash, dry;
2) enzymolysis: evenly spray the cellulase solution that mass concentration is 0.5-1.5% on blade;
3) vacuum microwave drying: Absolute truth reciprocal of duty cycle 50-80kpa, microwave power 1.0-3.0 kw/kg, time 4-6min; 4) deep-freezing ultramicro grinding: the material quick-frozen after vacuum microwave drying is made its organization internal moisture fully charge, then ultramicro grinding to 20 ~ 100 μm to-45 DEG C ~-180 DEG C;
5) lixiviate: the material after ultramicro grinding adds the flooding of pH 5.5-6, extraction temperature is 45 DEG C ~ 60 DEG C; Extraction time is 15min ~ 45min, solid-liquid ratio w/v=1:10 ~ 1:30, and filter, leaching liquor is cooled to 10 DEG C ~ 20 DEG C;
6) concentrated, freeze drying.
2. the Gynura bicolor instant black tea powder that obtains of preparation method as claimed in claim 1.
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| CN201410549759.5A CN104255991B (en) | 2014-10-17 | 2014-10-17 | A kind of Radix Semiaquilegiae instant black tea powder and preparation method thereof |
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| CN201410549759.5A CN104255991B (en) | 2014-10-17 | 2014-10-17 | A kind of Radix Semiaquilegiae instant black tea powder and preparation method thereof |
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| CN104255991A true CN104255991A (en) | 2015-01-07 |
| CN104255991B CN104255991B (en) | 2016-06-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106615424A (en) * | 2016-11-09 | 2017-05-10 | 福建省农业科学院亚热带农业研究所（福建省农业科学院蔗麻研究中心） | Natural plant-source compound tea beverage and preparation method thereof |
| CN109007162A (en) * | 2017-06-11 | 2018-12-18 | 刘子元 | A kind of Gynura bicolor instant black tea powder and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102885178A (en) * | 2012-09-29 | 2013-01-23 | 楚雄州百草岭药业发展有限公司 | Cordyceps militaris instant tea and preparation method thereof |
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2014
- 2014-10-17 CN CN201410549759.5A patent/CN104255991B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102885178A (en) * | 2012-09-29 | 2013-01-23 | 楚雄州百草岭药业发展有限公司 | Cordyceps militaris instant tea and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 宁恩创等: "紫背天葵复合保健茶饮料的研制", 《广西轻工业》, no. 12, 31 December 2007 (2007-12-31) * |
| 广知: "防暑消暑药和茶", 《家庭中医药》, no. 7, 31 December 2007 (2007-12-31) * |
| 覃亮等: "酶法提取紫背天葵多糖工艺的研究", 《中成药》, vol. 33, no. 12, 31 December 2011 (2011-12-31) * |
| 陈静: "紫背天葵的研究进展", 《中国现代药物应用》, vol. 1, no. 1, 31 May 2007 (2007-05-31) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106615424A (en) * | 2016-11-09 | 2017-05-10 | 福建省农业科学院亚热带农业研究所（福建省农业科学院蔗麻研究中心） | Natural plant-source compound tea beverage and preparation method thereof |
| CN109007162A (en) * | 2017-06-11 | 2018-12-18 | 刘子元 | A kind of Gynura bicolor instant black tea powder and preparation method thereof |
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| CN104255991B (en) | 2016-06-08 |
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