CN102389015A - Method for preparing tea bag by oriental blueberry leaf - Google Patents
Method for preparing tea bag by oriental blueberry leaf Download PDFInfo
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- CN102389015A CN102389015A CN2011103747817A CN201110374781A CN102389015A CN 102389015 A CN102389015 A CN 102389015A CN 2011103747817 A CN2011103747817 A CN 2011103747817A CN 201110374781 A CN201110374781 A CN 201110374781A CN 102389015 A CN102389015 A CN 102389015A
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Abstract
A method for preparing tea bag by oriental blueberry leaves comprises the following steps of: (A) crushing, that is, performing mechanical crushing of oriental blueberry leaves twice; (B) soaking, that is, mixing the crushed oriental blueberry leaves with water, and soaking; (C) suction filtration, that is, performing suction filtration to realize slag-liquid separation so as to obtain soaked oriental blueberry leaves; (D) enzyme deactivation, that is, performing enzyme deactivation of the soaked oriental blueberry leaves by steam; (E) drying and sterilization, that is, drying and sterilizing the oriental blueberry leaves after enzyme deactivation by hot air circulation; (F) bagging, that is, bagging the dried and sterilized oriental blueberry leaves. The oriental blueberry leaf tea bag prepared by the invention has natural fragrance of oriental blueberry leaves, and high health care value, and thus the invention enlarges the application scope of oriental blueberry leaves, and improves the economical value of oriental blueberry leaves.
Description
Technical field
The present invention relates to agricultural product, food processing technology field, particularly relate to the method that a kind of leaf that utilizes blueberry prepares tea in bag.
Background technology
Blueberry (Vaccinium bracteatum Tbunb) is an Ericaceae, genus vaccinium.The record of Ming Dynasty Li Shizhen (1518-1593 A.D.) Compendium of Material Medica: " the blueberry sappiness is bitter, flat, nontoxic, and cure mainly antidiarrheal and remove and sleep, strong muscle benefit strength, clothes are made light of one's life by commiting suicide all the year round for a long time, make us not hungry, and it is old to bleach." chemical composition that contained in the blueberry leaf has Quercetin, hydroxycinnamic acid, malol, hentriacontane, homo-orientin, freidelin (ketone) and oleanolic acid etc.Also contain rich in amino acid and organic acid in addition in the leaf.Organic acid mainly contains oxalic acid, citric acid, butanedioic acid and tartaric acid, also contains a large amount of trace elements in the blueberry leaf, and wherein the content of zinc, iron, manganese, calcium, potassium is all than higher.Natural colouring matter composition contained in the blueberry leaf has stronger health-care effect, and therefore, no matter blueberry leaf is the angle from the health care dietotherapy, still all has than the wide development prospect from medicinal angle.
The domestic and international at present research to blueberry leaf also is in the starting stage; Mainly concentrate on active material in the blueberry leaf (like pigment) extraction and the activity research; The product that on the market with the blueberry leaf is development of raw materials mainly is black meal; And the blueberry leaf after soaking all abandons as waste material, causes great waste, is that the novel tea product of development of raw materials is not reported so far in addition with the blueberry leaf.
Completing is the critical process of preparation tea products, is related to qualities such as tealeaves color, and the normal fixing method that adopts of tealeaves has microwave de-enzyming, hot air water-removing etc. at present.Hot air water-removing is that the heat radiation that utilizes heated dry air to produce improves the leaf temperature, destroy oxidase active in the tealeaves and reach the purpose that completes, but exist energy consumption high, nutritional labeling is destroyed bigger shortcoming; Microwave de-enzyming utilizes the fuel factor of microwave and the oxidase active in the biological effect passivation tealeaves, and efficient is higher, but equipment investment is bigger.
Summary of the invention
To the problems referred to above that prior art exists, the applicant provides a kind of method for preparing tea in bag with blueberry leaf.The blueberry leaf tea in bag that the present invention makes has the natural flavor of blueberry leaf, and health care is worth high, thereby has enlarged the range of application of blueberry leaf, has improved the economic worth of blueberry leaf.
Technical scheme of the present invention is following:
A kind ofly prepare the method for tea in bag, comprise the steps: with blueberry leaf
(A) pulverize: blueberry leaf is carried out mechanical disintegration twice;
(B) soak: blueberry leaf after will pulverizing and water mixed soaking;
(C) suction filtration: realize that through the suction filtration method slag liquid separates the blueberry leaf after obtaining soaking;
(D) complete: the blueberry leaf after will soaking completes through steam;
(E) dry sterilization: will pass through the blueberry leaf that completes and pass through the dry sterilization of circulating air;
(F) pack: the blueberry leaf tea that will dry after the sterilization packs.
Twice mechanical disintegration is respectively in said (A) step: Universalpulverizer is pulverized, pulverizing time 3 ~ 5min; Medicinal herb grinder is pulverized, pulverizing time 1 ~ 3min.In said (B) step the ratio (being material-water ratio) of blueberry leaf and water be 1:10 ~ 15 (W/V, g/mL), soak time is 10 ~ 15min; 100 ~ 130 ℃ of the temperature that completes in said (D) step, fixation time 8 ~ 10min; Bake out temperature is 60 ~ 80 ℃ in said (E) step, drying time 6 ~ 10min, and oven dry back blueberry leaf moisture is below 7%.
Beneficial technical effects of the present invention is:
The present invention enlarges the range of application of blueberry leaf, only is used to soak rice from original blueberry leaf and prepares black meal, develops into and directly utilizes blueberry leaf as the tea in bag raw material, has further improved the value of blueberry leaf, has filled up domestic blank; This preparation method is simple to operate, and production cost is low, and constant product quality, can improve the economic benefit of manufacturing enterprise.
The steam beating technology that the present invention adopted is to utilize the steam high heat capacity to improve the Ye Wen of the bright leaf of tea; And vapours abrupt release when bright leaf surface condenses into condensation film goes out a large amount of heat of transformation (latent heat) and improves the leaf temperature; So it is fast that steam beating improves the leaf temperature; Fixation time is short, and energy consumption is low, and equipment investment is less.
The blueberry leaf tea in bag has the natural flavor of blueberry leaf, and health care is worth high, can preserve 6 months under the normal temperature condition.
The specific embodiment
Embodiment 1
A, pulverizing: blueberry leaf is pulverized through Universalpulverizer, and mesh size is 8mm, pulverizes time 3min, and then pulverizes with medicinal herb grinder, pulverizes time 3min;
B, immersion: will pulverize the back blueberry leaf mix with water, material-water ratio be 1:10 (W/V, g/mL), soak time is 15min;
C, suction filtration: realize that through the suction filtration method slag liquid separates the blueberry leaf after obtaining soaking;
D, complete: the blueberry leaf after will soaking completes through the mode of steam beating, 100 ℃ of the temperature that completes, fixation time 10min;
E, dry sterilization: will through the blueberry leaf that completing and pass through the dry sterilization of circulating air, 60 ℃ of bake out temperatures, drying time 10min, moisture is below 7%;
F, pack and packing: the blueberry leaf tea that will dry after the sterilization packs in the toilet with the tea in bag automatic packaging machine, every bag of net weight 5g, and per 20 bags are packaged into a box.
Embodiment 2
A, pulverizing: blueberry leaf is pulverized through Universalpulverizer, and mesh size is 8mm, pulverizes time 4min, and then pulverizes with medicinal herb grinder, pulverizes time 2min;
B, immersion: will pulverize the back blueberry leaf mix with water, material-water ratio be 1:12 (W/V, g/mL), soak time is 13min;
C, suction filtration: realize that through the suction filtration method slag liquid separates the blueberry leaf after obtaining soaking;
D, complete: the blueberry leaf after will soaking completes through the mode of steam beating, 120 ℃ of the temperature that completes, fixation time 9min;
E, dry sterilization: will through the blueberry leaf that completing and pass through the dry sterilization of circulating air, 70 ℃ of bake out temperatures, drying time 8min, moisture is below 6%;
F, pack and packing: the blueberry leaf tea that will dry after the sterilization packs in the toilet with the tea in bag automatic packaging machine, every bag of net weight 5g, and per 20 bags are packaged into a box.
Embodiment 3
A, pulverizing: blueberry leaf is pulverized through Universalpulverizer, and mesh size is 8mm, pulverizes time 5min, and then pulverizes with medicinal herb grinder, pulverizes time 1min;
B, immersion: will pulverize the back blueberry leaf mix with water, material-water ratio be 1:15 (W/V, g/mL), soak time is 10min;
C, suction filtration: realize that through the suction filtration method slag liquid separates the blueberry leaf after obtaining soaking;
D, complete: the blueberry leaf after will soaking completes through the mode of steam beating, 130 ℃ of the temperature that completes, fixation time 8min;
E, dry sterilization: will through the blueberry leaf that completing and pass through the dry sterilization of circulating air, 80 ℃ of bake out temperatures, drying time 6min, moisture is below 5%;
F, pack and packing: the blueberry leaf tea that will dry after the sterilization packs in the toilet with the tea in bag automatic packaging machine, every bag of net weight 5g, and per 20 bags are packaged into a box.
Embodiment 1 prepared blueberry leaf tea in bag is brewed with every bag of (5g/ bag) 100mL boiling water; Time is 10min, and the result is as shown in table 1, and the millet paste color of blueberry leaf tea in bag after boiling water soaks is isabelline; Be rich in polysaccharide and flavone compound in the millet paste, health care is worth higher.
The immersion result of every bag of blueberry leaf tea in bag of table 1 in boiling water
The content of polysaccharide and brass all adopts 725 type spectrophotometers (Wuxi City Kodak Instr Ltd.) to measure.Method of testing is a conventional method: polyoses content is tested with the absorbance value drawing standard curve of 1.0mg/mL glucose standard liquid at the 490nm place; Add 6% phenol solution, the concentrated sulfuric acid and distilled water; Test it and survey light absorption value at the 490nm place; According to polyoses content in the calibration curve equation calculation sample solution, average; Flavones content test is with the ethanolic solution of the rutin absorbance value drawing standard curve at 420nm place, adding 1%AlCl
3Solution and distilled water are tested it and are surveyed light absorption value at the 420nm place, according to flavones content in the calibration curve equation calculation sample solution, average.
Claims (5)
1. one kind prepares the method for tea in bag with blueberry leaf, it is characterized in that comprising the steps:
(A) pulverize: blueberry leaf is carried out mechanical disintegration twice;
(B) soak: blueberry leaf after will pulverizing and water mixed soaking;
(C) suction filtration: realize that through the suction filtration method slag liquid separates the blueberry leaf after obtaining soaking;
(D) complete: the blueberry leaf after will soaking completes through steam;
(E) dry sterilization: will pass through the blueberry leaf that completes and pass through the dry sterilization of circulating air;
(F) pack: the blueberry leaf tea that will dry after the sterilization packs.
2. a kind ofly prepare the method for tea in bag with blueberry leaf according to claim l is described, it is characterized in that twice mechanical disintegration is respectively in said (A) step: Universalpulverizer is pulverized, pulverizing time 3 ~ 5min; Medicinal herb grinder is pulverized, pulverizing time 1 ~ 3min.
3. a kind ofly prepare the method for tea in bag according to claim l is described, it is characterized in that (W/V, g/mL), soak time is 10 ~ 15min for 1:10 ~ 15 for the ratio (being material-water ratio) of blueberry leaf and water in said (B) step with blueberry leaf.
4. a kind ofly prepare the method for tea in bag according to claim l is described, 100 ~ 130 ℃ of the temperature of it is characterized in that completing in said (D) step, fixation time 8 ~ 10min with blueberry leaf.
5. a kind ofly prepare the method for tea in bag according to claim l is described, it is characterized in that in said (E) step 60 ~ 80 ℃ of bake out temperatures with blueberry leaf, drying time 6 ~ 10min, oven dry back blueberry leaf moisture is below 7%.
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| CN2011103747817A CN102389015A (en) | 2011-11-23 | 2011-11-23 | Method for preparing tea bag by oriental blueberry leaf |
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| CN2011103747817A CN102389015A (en) | 2011-11-23 | 2011-11-23 | Method for preparing tea bag by oriental blueberry leaf |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103907712A (en) * | 2014-04-02 | 2014-07-09 | 宁波戚家山茶叶有限公司 | Vaccinium bracteatum black tea preparation method |
| CN104642655A (en) * | 2015-01-01 | 2015-05-27 | 吴中区木渎吴珍土特产商行 | Tibet lyonia tea beverage and preparation method thereof |
| CN105076607A (en) * | 2015-08-13 | 2015-11-25 | 江苏科技大学 | Manufacturing method for vaccinium bracteatum leaf tea |
| CN106619787A (en) * | 2017-01-22 | 2017-05-10 | 南京林业大学 | Response surface analysis based method for optimizing ultrasonic extraction technological parameters of total flavones extracted from leaves of Vaccinium bracteatum Thunb. |
| CN114009559A (en) * | 2021-12-07 | 2022-02-08 | 萍乡市林业科学研究所 | Blueberry tea and preparation process thereof |
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| CN101099569A (en) * | 2007-08-01 | 2008-01-09 | 江苏省中国科学院植物研究所 | Vaccinium beacteatum Thunb freeze-dried powder injection and its preparation method and application |
| CN101480208A (en) * | 2008-01-08 | 2009-07-15 | 刘川汶 | Tea making method and application thereof in other plant stem-leaf products |
| CN102144692A (en) * | 2010-09-25 | 2011-08-10 | 重庆辰龙制药有限公司 | Sweet tea and preparation method thereof |
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2011
- 2011-11-23 CN CN2011103747817A patent/CN102389015A/en active Pending
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| CN101099569A (en) * | 2007-08-01 | 2008-01-09 | 江苏省中国科学院植物研究所 | Vaccinium beacteatum Thunb freeze-dried powder injection and its preparation method and application |
| CN101480208A (en) * | 2008-01-08 | 2009-07-15 | 刘川汶 | Tea making method and application thereof in other plant stem-leaf products |
| CN102144692A (en) * | 2010-09-25 | 2011-08-10 | 重庆辰龙制药有限公司 | Sweet tea and preparation method thereof |
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| 郝娟娟等: "不同种源乌饭树树叶营养成分比较", 《林业科技开发》, vol. 24, no. 3, 31 December 2010 (2010-12-31), pages 105 - 107 * |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103907712A (en) * | 2014-04-02 | 2014-07-09 | 宁波戚家山茶叶有限公司 | Vaccinium bracteatum black tea preparation method |
| CN103907712B (en) * | 2014-04-02 | 2016-07-13 | 宁波戚家山茶叶有限公司 | A kind of preparation method of crow meal black tea |
| CN104642655A (en) * | 2015-01-01 | 2015-05-27 | 吴中区木渎吴珍土特产商行 | Tibet lyonia tea beverage and preparation method thereof |
| CN105076607A (en) * | 2015-08-13 | 2015-11-25 | 江苏科技大学 | Manufacturing method for vaccinium bracteatum leaf tea |
| CN106619787A (en) * | 2017-01-22 | 2017-05-10 | 南京林业大学 | Response surface analysis based method for optimizing ultrasonic extraction technological parameters of total flavones extracted from leaves of Vaccinium bracteatum Thunb. |
| CN114009559A (en) * | 2021-12-07 | 2022-02-08 | 萍乡市林业科学研究所 | Blueberry tea and preparation process thereof |
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Application publication date: 20120328 |