CN103749812B - A kind of processing method of radix tetrastigme tea - Google Patents
A kind of processing method of radix tetrastigme tea Download PDFInfo
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Abstract
The invention discloses a kind of processing method of radix tetrastigme tea, is the blade position choosing radix tetrastigme, and by cleaning removal of impurities, drying, broken wall pulverizing, the radix tetrastigme meal vacuum sealed package obtained, keeps in Dark Place.The present invention remains the biological and chemical structure of radix tetrastigme blade and the integrality of activity thereof by freeze-drying method, loosen the radix tetrastigme tea opaque obtained, rehydration is good, smell is dense, easily, form, color, taste aspect are all good than conventional process techniques for cutting and pulverizing.The Powdered radix tetrastigme tea produced also can solve the problem such as long storage periods and transport inconvenience, and remains the effective medicinal components of radix tetrastigme to the full extent.This processing method is simple to operate, quick, efficient, effectively can retain the medicinal ingredient of radix tetrastigme, makes it under field conditions (factors) can long storage periods, has broad application prospects.
Description
Technical field
The invention belongs to field of beverage, be specifically related to a kind of freeze drying processing method of radix tetrastigme tea.
Background technology
19 beginnings of the century, Altmans initiates Freeze Drying Technique, is applied to tissue and the organ research of biological sample.Schackcll in 1909 for the ease of the storage of sample and under avoiding high temperature sample unstable, use pole original vacuum pump, with salt and ice for refrigerant, be drier with sulfuric acid, and delivered this freeze-drying laboratory report at Am.J.Physiol.Nineteen twenty-one, H.F.swift proposes with the standard freeze-drying method preserving bacterial strain, at low pressure, freezing and dry obtained undeformed, the biomaterial that not damaged, component damages are few that combines.After World War II, the application of Freeze Drying Technique in medical research is very general.The research of China in Freeze Drying Technique is started late, and this technology is first applied, as antibiotic, vaccine, Chinese patent drug etc. in pharmaceuticals industry.Now, Freeze Drying Technique has developed into carries out K cryogenic treatment in advance the biological sample of high-moisture and forms solid, and under the condition of vacuum, the ice crystal in sample is distilled out with steam pattern, all the other compositions are still retained in sample structure, but sample volume is little, loose porous after dry.It is constant that the researcher that gets more and more subsequently finds to adopt freeze drying process to make material have structure, keep freshness, the characteristics such as preservation, convenient transport, and this drying means is applied to the fields such as tea making, flowers, food, this technical research is constantly deeply developed.2003, Chen Yuanhe proposed to adopt Freeze Drying Technique in oolong tea process, preserves color and luster, smell and vitamins and other nutritious components intrinsic in tea embryo after completing, makes tea perfume (or spice) denseer.2007, yellow vertical new grade obtained dry products by a kind of novel atomizing freeze drier, and had set forth its application study progress in plant extract and medicine.2008, Zhan Li bacterium mentioned the operating process of Chinese medicine freeze drying process and its application & development prospect in Chinese patent drug in summary.2012, Guo Shuguo to inquire in vacuum freeze drying process technological parameter to the impact of ginseng drying property, and establishes new two-dimentional vacuum freeze drying model, for the Analysis on Mechanism of vacuum freeze drying and thermal control provide theoretical reference.Generally speaking, in nearly ten years, Freeze Drying Technique makes remarkable progress, and the Preparation process technique improvement not being only China's Chinese medicine product is laid a good foundation, and provides strong process technology for production high-quality freeze drying Chinese medicine and health care tea.Along with the development of dry technology, and high temperature dry processes itself comes with some shortcomings, and as destroyed, medicinal material structure, rehydration are poor, loss of effective components etc., and increasing Chinese medicine all adopts freeze drying process technology.
Chinese medicine radix tetrastigme has clearing heat and detoxicating, effect such as dispelling pathogenic wind and eliminating phlegm, promoting blood circulation and stopping pain, has certain effect to oncotherapy, also can the bad reaction that brings of tumor remission chemotherapy.Be usually used in that treatment hyperpyretic convulsion, rheumatism are ached clinically, irregular menstruation, cough diseases such as breathing heavily phlegm, and children with high fever induced convulsions, dysentery, bronchitis, pneumonia, sphagitis, hepatitis and viral meningitis, there is very high medical value, to be among the peoplely referred to as natural " plant antibiotic ".Tea-drinking is worked as after multiplex radix tetrastigme leaf among the people dries.Modern study shows, the blade of radix tetrastigme contains higher medicinal ingredient, as compositions such as flavonoids, cupreol, polysaccharide, has antitumor, hypotensive, reducing blood lipid, anti-inflammatory, antiallergy, the function such as antiviral.The compositions such as flavonoids, taraxerone and ergosterol have heat sensitivity, can be destroyed and cause structural instability under high temperature and Exposure to Sunlight.Therefore, searching can break away from the restriction such as Chinese medicine color and luster, smell, loss of effective components after processing, and it is very important to carry out cryodesiccated processing method at low ambient temperatures on a large scale.
Summary of the invention
The object of the present invention is to provide a kind of processing method of radix tetrastigme tea, is improve the Preparation process technology of radix tetrastigme.Utilize the present invention can obtain the higher radix tetrastigme powder of active constituent content, and be easy to store, also can avoid the drug effect unstability caused in high temperature drying processes.This processing method is simple to operate, with low cost, can compared with obtaining the radix tetrastigme powder that rehydration is good, color and luster is constant, drug effect is high in the short period.
For achieving the above object, the present invention adopts following technical scheme:
A processing method for radix tetrastigme tea, concrete steps are as follows:
1) active component is chosen: annual 6 ~ September is radix tetrastigme growth very fast period, now chooses the blade-section of the fresh original drug material radix tetrastigme of life in 2 ~ 3 years, removing dis-medicinal part;
2) clean: blade step 1) be collected adopts selecting method and wet cleaning process removal of impurities, namely reject and rot, after bacterial plaque of damaging by worms blade, 30min is soaked with the liquid detergent that mass fraction is 0.1%, use running water running water 30min again, until non-foam, then shakeout and dry, remove most of leaf table moisture,-40 ° of C Ultra-cryofreezing preservation spend the night, to keep the freshness of blade;
3) dry: to utilize cold-trap by brandreth dish precooling treatment 20 ~ 30min, to temperature lower than-45 DEG C, keep 10min, the blade of freezing processing is taken out fast and is placed on brandreth dish, be evacuated to 2.0Pa, continuous freeze drying 3 ~ 4d, reach thorough dehydration, blade is pistac or brown;
4) pulverize: the dry blade of step 3) is carried out broken wall pulverizing, sieves, obtain 80 order pistac meal;
5) preserve: under normal temperature, by step 4) gained meal vacuum sealed package, keep in Dark Place, obtain radix tetrastigme tea finished product.
The foundation of the technical program is as follows:
A. the long-term temperature of radix tetrastigme remains on 18 ~ 25 ° of about C robust growth, growth retardation when winter temperature is down to 10 ° of C, 6 ~ September, growth was the most vigorous, more containing active ingredients such as taraxerone, flavonoids, gallic acid and anthocyans in the radix tetrastigme blade in this period.
B. choosing the fresh blade of radix tetrastigme is that inclusion and moisture are filled with whole cell, and loss of effective components is less because the cell membrane of fresh blade expands.
C. the poor stability of flavone compound to light, heat is contained in radix tetrastigme blade, in order to ensure the quality of radix tetrastigme tea, in process, select freeze drying process that flavone compound can be avoided to be destroyed, vacuum seal lucifuge should be selected in storage to pack simultaneously.
D. dry processing under cryogenic vacuum state, can keep the leaf color of radix tetrastigme constant, and aromatic substance gallic acid loss contained by blade seldom; Active ingredient flavonoids and anthocyan storage rate high, do not change active ingredient physical arrangement, the basic color and luster fragrance maintaining fresh radix tetrastigme, its rehydration is good.
E. after freeze drying process, radix tetrastigme leaf abscission is thorough, and be convenient to pulverization process, weight saving stores under being suitable for long-term normal temperature, is convenient to long-distance transport simultaneously, makes radix tetrastigme tea bag more welcome.
Remarkable advantage of the present invention is:
(1) the present invention adopts Freeze Drying Technique, remains the biological and chemical structure of radix tetrastigme blade and the integrality of activity thereof, easily pulverizes, without the need to refrigeration.
(2) the radix tetrastigme leaf weight of the present invention after freeze drying alleviates, and obtained Powdered radix tetrastigme tea can solve the problem such as long storage periods and transport inconvenience, at utmost can retain again the effective medicinal components of radix tetrastigme simultaneously.
(3) radix tetrastigme tea that utilizes the present invention to obtain can be intact the original active ingredient of reservation plant, color and luster, smell, can quick and complete recovery after adding water, and can long term storage at normal temperatures, without the need to adding anticorrisive agent.
(4) the present invention is simple to operate, and efficiency is higher, with low cost, is applicable to large-scale industrial production.
Detailed description of the invention
embodiment one
A processing method for radix tetrastigme tea, concrete steps are as follows:
1) active component is chosen: the blade-section choosing the fresh original drug material radix tetrastigme of life in 2 ~ 3 years June in cultivation base, removing dis-medicinal part;
2) clean: blade step 1) be collected adopts selecting method and wet cleaning process removal of impurities, namely reject and rot, after bacterial plaque of damaging by worms blade, 30min is soaked with the liquid detergent that mass fraction is 0.1%, use running water running water 30min again, until non-foam, then shakeout and dry, remove most of leaf table moisture,-40 DEG C of Ultra-cryofreezing preservation spend the night, to keep the freshness of blade;
3) dry: to utilize cold-trap by brandreth dish precooling treatment 30min, to temperature lower than-45 DEG C, keep 10min, the blade of freezing processing is taken out fast and is placed on brandreth dish, be evacuated to 2.0Pa, continuous freeze drying 4d, reach thorough dehydration, blade is pistac or brown;
4) pulverize: the dry blade of step 3) is carried out broken wall pulverizing, sieves, obtain 80 order pistac meal;
5) preserve: under normal temperature, by step 4) gained meal vacuum sealed package, keep in Dark Place, obtain radix tetrastigme tea finished product.
embodiment two
A processing method for radix tetrastigme tea, concrete steps are as follows:
1) active component is chosen: the blade-section choosing the fresh original drug material radix tetrastigme of life in 2 ~ 3 years August in cultivation base, removing dis-medicinal part;
2) clean: blade step 1) be collected adopts selecting method and wet cleaning process removal of impurities, namely reject and rot, after bacterial plaque of damaging by worms blade, 30min is soaked with the liquid detergent that mass fraction is 0.1%, use running water running water 30min again, until non-foam, then shakeout and dry, remove most of leaf table moisture,-40 DEG C of Ultra-cryofreezing preservation spend the night, to keep the freshness of blade;
3) dry: to utilize cold-trap by brandreth dish precooling treatment 20min, to temperature lower than-45 DEG C, keep 10min, the blade of freezing processing is taken out fast and is placed on brandreth dish, be evacuated to 2.0Pa, continuous freeze drying 3d, reach thorough dehydration, blade is pistac or brown;
4) pulverize: the dry blade of step 3) is carried out broken wall pulverizing, sieves, obtain 80 order pistac meal;
5) preserve: under normal temperature, by step 4) gained meal vacuum sealed package, keep in Dark Place, obtain radix tetrastigme tea finished product.
embodiment three
A processing method for radix tetrastigme tea, concrete steps are as follows:
1) active component is chosen: the blade-section choosing the fresh original drug material radix tetrastigme of life in 2 ~ 3 years September in cultivation base, removing dis-medicinal part;
2) clean: blade step 1) be collected adopts selecting method and wet cleaning process removal of impurities, namely reject and rot, after bacterial plaque of damaging by worms blade, 30min is soaked with the liquid detergent that mass fraction is 0.1%, use running water running water 30min again, until non-foam, then shakeout and dry, remove most of leaf table moisture,-40 DEG C of Ultra-cryofreezing preservation spend the night, to keep the freshness of blade;
3) dry: to utilize cold-trap by brandreth dish precooling treatment 25min, to temperature lower than-45 DEG C, keep 10min, the blade of freezing processing is taken out fast and is placed on brandreth dish, be evacuated to 2.0Pa, continuous freeze drying 3d, reach thorough dehydration, blade is pistac or brown;
4) pulverize: the dry blade of step 3) is carried out broken wall pulverizing, sieves, obtain 80 order pistac meal;
5) preserve: under normal temperature, by step 4) gained meal vacuum sealed package, keep in Dark Place, obtain radix tetrastigme tea finished product.
The content of active ingredient (gallic acid, Quercetin and Kaempferol) in the radix tetrastigme tea adopting high-efficient liquid phase chromatogram technology to measure obtained by the present invention, and in the radix tetrastigme tea obtained with high temperature drying, the content of contained active ingredient compares, and the results are shown in following table:
Adopt high performance liquid chromatography, under wavelength 274nm and 266nm, the content of the gallic acid, Quercetin and the Kaempferol that retain in freeze drying radix tetrastigme tea and high temperature drying radix tetrastigme tea is measured, contrast as can be seen from table, in the radix tetrastigme tea adopting freeze-drying of the present invention to prepare, contained gallic acid content is higher than high temperature drying techniques 93.05%, contained quercetin content is higher than high temperature drying techniques 2.31%, and contained Kaempferol content is higher than high temperature drying techniques 99.99%.Therefore, the radix tetrastigme tea adopting processing method of the present invention to obtain can retain the active ingredient in radix tetrastigme effectively.
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 processing method for radix tetrastigme tea, is characterized in that: described process steps is as follows:
1) active component is chosen: annual 6 ~ September is radix tetrastigme growth very fast period, now chooses the blade-section of the fresh original drug material radix tetrastigme of life in 2 ~ 3 years, removing dis-medicinal part;
2) clean: after blade step 1) be collected adopts selecting method and wet cleaning process removal of impurities, shakeout and dry, remove most of leaf table moisture ,-40 ° of C Ultra-cryofreezing preservation spend the night;
3) dry: by brandreth dish precooling treatment 20 ~ 30min, to temperature lower than-45 DEG C, keep 10min, the blade of freezing processing is taken out fast and is placed on brandreth dish, be evacuated to 2.0Pa, continuous freeze drying 3 ~ 4d, until blade is pistac or brown;
4) pulverize: the dry blade of step 3) is carried out broken wall pulverizing, sieves, obtain 80 order pistac meal;
5) preserve: under normal temperature, by step 4) gained meal vacuum sealed package, keep in Dark Place, obtain radix tetrastigme tea finished product.
2. the processing method of radix tetrastigme tea according to claim 1, it is characterized in that: step 2) described selecting method and wet cleaning process removal of impurities reject to rot, after bacterial plaque of damaging by worms blade, 30min is soaked with the liquid detergent that mass fraction is 0.1%, use running water running water 30min again, until non-foam.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104138403A (en) * | 2014-08-25 | 2014-11-12 | 济南康众医药科技开发有限公司 | Drying method of radix tetrastigme |
| CN104431199A (en) * | 2014-12-22 | 2015-03-25 | 吴绍平 | Health radix tetrastigme tea and preparation method thereof |
| CN105660953A (en) * | 2016-03-03 | 2016-06-15 | 胡馨尹 | Processing method of radix tetrastigme tea |
| CN108782885B (en) * | 2018-04-09 | 2021-10-15 | 安吉三叶青生物科技有限公司 | Processing method of radix tetrastigme tea retaining pharmacodynamically active ingredients |
| CN108576307A (en) * | 2018-06-21 | 2018-09-28 | 桂林旅游学院 | A kind of radix tetrastigme instant tea and preparation method thereof |
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