CN103749812A - Processing method for radix tetrastigme tea - Google Patents
Processing method for radix tetrastigme tea Download PDFInfo
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- CN103749812A CN103749812A CN201310718191.0A CN201310718191A CN103749812A CN 103749812 A CN103749812 A CN 103749812A CN 201310718191 A CN201310718191 A CN 201310718191A CN 103749812 A CN103749812 A CN 103749812A
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Abstract
The invention discloses a processing method for radix tetrastigme tea. Coarse radix tetrastigme powder obtained by performing selection, impurity removal, drying, wall breaking and smashing on leaf parts of radix tetrastigme is packaged in vacuum in a sealed manner and then is stored in shade. By a freeze-drying method, the completeness of the biochemical structure and the activity of radix tetrastigme leaves are retained, and the obtained radix tetrastigme tea powder is loose, is high in rehydration capability, smells mellow and is easy to cut and smash; the form, the color and the taste of the radix tetrastigme tea powder are higher than those of the tea powder prepared by the conventional technology. The produced powdered radix tetrastigme tea can be stored for a long time and is convenient to transport, and effective medicinal components of the radix tetrastigme are retained to the maximum extent. The processing method is easy to operate, high in speed and high in efficiency; the medicinal components of the radix tetrastigme can be effectively retained, so that the radix tetrastigme tea can be stored under a natural condition for a long time and has a good application prospect.
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 is for the ease of the storage of sample and avoid under high temperature sample unstable, uses extremely original vavuum pump, take salt and ice as refrigerant, with sulfuric acid be drier, and delivered this freeze-drying laboratory report at Am.J.Physiol.Nineteen twenty-one, H.F.swift proposes to preserve the standard freeze-drying method of bacterial strain, under low pressure, freezing and dry combine make undeformed, not damaged, composition loses few biomaterial.After World War II, the application of Freeze Drying Technique in medical research is very general.The research of China aspect Freeze Drying Technique is started late, and this technology is first applied in pharmaceuticals industry, as antibiotic, vaccine, Chinese patent drug etc.Now, Freeze Drying Technique has developed into carries out in advance K cryogenic treatment the biological sample of high-moisture and forms solid, under the condition of vacuum, the ice crystal in sample is distilled out with steam pattern, and all the other compositions are still retained in sample structure, but after dry, sample volume is little, loose porous.It is constant that the researchers that get more and more subsequently find to adopt freeze drying processing 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, make constantly deeply development of this technical research.2003, Chen Yuanhe proposed to adopt Freeze Drying Technique in oolong tea process, and after preservation completes, intrinsic color and luster, smell and vitamins and other nutritious components in tea embryo, makes tea perfume (or spice) denseer.2007, yellow vertical new grade obtained dry products by a kind of novel atomizing freeze drier, and set forth its application study progress in plant extract and medicine.2008, Zhan Li bacterium in summary, mention the operating process of Chinese medicine freeze drying process with and application and development prospect in Chinese patent drug.2012, Guo Shuguo inquired into the impact of technological parameter on ginseng drying property in vacuum freeze drying process, and had set up new two-dimentional vacuum freeze drying model, for Analysis on Mechanism and the thermal control of vacuum freeze drying provide theoretical reference.Generally speaking, in nearly ten years, Freeze Drying Technique makes remarkable progress, and not only for the Preparation process technique improvement of 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 drying method 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.
The effects such as that Chinese medicine radix tetrastigme has is clearing heat and detoxicating, dispelling pathogenic wind and eliminating phlegm, promoting blood circulation and stopping pain, have certain effect to oncotherapy, the bad reaction also can tumor remission chemotherapy bringing.Be usually used in clinically treating that hyperpyretic convulsion, rheumatism are ached, 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, be among the peoplely referred to as natural " plant antibiotic ".After drying, multiplex radix tetrastigme leaf among the people works as tea-drinking.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 the destroyed structural instability that causes under high temperature and Exposure to Sunlight.Therefore, searching can be broken away from after processing the restrictions such as Chinese medicine color and luster, smell, loss of effective components, carries out on a large scale cryodesiccated processing method very important under low temperature environment.
Summary of the invention
The object of the present invention is to provide a kind of processing method of radix tetrastigme tea, is that the Preparation process technology of radix tetrastigme is improved.Utilize the present invention can obtain the radix tetrastigme powder that active constituent content is higher, and be easy to store, also can avoid the drug effect unstability causing in high temperature drying technique.This processing method is simple to operate, with low cost, can within compared with the short period, obtain the radix tetrastigme powder that rehydration is good, color and luster is constant, drug effect is high.
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) choose active component: be that radix tetrastigme grows very fast period annual 6 ~ September, now chooses the blade-section of the fresh crude drug radix tetrastigme of life in 2 ~ 3 years, removes dis-medicinal part;
2) clean: the blade that step 1) is collected adopts selecting method and wet cleaning process removal of impurities, reject and rot, damage by worms after bacterial plaque blade, the liquid detergent that is 0.1% with mass fraction soaks 30min, with running water flowing water, rinse 30min again, until non-foam, then shakeout and dry, remove most of leaf table moisture,-40 ° of C superfreeze are preserved and are spent 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 ℃, keep 10min, the blade of freezing processing is taken out and is placed on brandreth dish fast, be evacuated to 2.0Pa, continuously freeze drying 3 ~ 4d, reach thorough dehydration, blade is pistac or brown;
4) pulverize: the dry blade of step 3) is carried out to broken wall pulverizing, sieve, obtain 80 order pistac meal;
5) storage: under normal temperature, by step 4) gained meal vacuum sealed package, keep in Dark Place, obtain radix tetrastigme tea finished product.
The technical program according to as follows:
A. the long-term temperature of radix tetrastigme remains on 18 ~ 25 ° of C left and right robust growth, growth retardation when winter temperature is down to 10 ° of C, 6 ~ September, growth was the most vigorous, contained the active ingredients such as taraxerone, flavonoids, gallic acid and anthocyan more in the radix tetrastigme blade in this period.
B. choosing the fresh blade of radix tetrastigme is that inclusion and moisture have been full of whole cell because the cell membrane of fresh blade expands, and loss of effective components is less.
C. in radix tetrastigme blade, contain the poor stability of flavone compound to light, heat, in order to guarantee the quality of radix tetrastigme tea, in process, select freeze drying processing can avoid flavone compound destroyed, in storage, should select vacuum seal lucifuge packing simultaneously.
D. dry processing under cryogenic vacuum state, can keep the leaf color of radix tetrastigme constant, and the contained aromatic substance gallic acid loss of blade seldom; Active ingredient flavonoids and anthocyan storage rate are high, do not change active ingredient physical arrangement, substantially maintain the color and luster fragrance of fresh radix tetrastigme, and its rehydration is good.
E. after freeze drying is processed, radix tetrastigme leaf abscission is thorough, is convenient to pulverization process, and weight saving is suitable for storing under 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, has retained biological and chemical structure and the active integrality thereof of radix tetrastigme blade, easily pulverizes, without refrigeration.
(2) the radix tetrastigme leaf weight of the present invention after freeze drying alleviates, and the Powdered radix tetrastigme tea making can solve the problems such as long-term storage and transportation inconvenience, can at utmost retain again the effective medicinal components of radix tetrastigme simultaneously.
(3) utilize the original active ingredient of reservation plant, color and luster, the smell that radix tetrastigme tea that the present invention makes can be intact, adding after water can quick and complete recovery, and long term storage at normal temperatures, without 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.
The specific embodiment
embodiment mono-
A processing method for radix tetrastigme tea, concrete steps are as follows:
1) choose active component: choose the blade-section of the fresh crude drug radix tetrastigme of life in 2 ~ 3 years June in cultivation base, remove dis-medicinal part;
2) clean: the blade that step 1) is collected adopts selecting method and wet cleaning process removal of impurities, reject and rot, damage by worms after bacterial plaque blade, the liquid detergent that is 0.1% with mass fraction soaks 30min, with running water flowing water, rinse 30min again, until non-foam, then shakeout and dry, remove most of leaf table moisture,-40 ℃ of superfreeze are preserved and are spent 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 ℃, keep 10min, the blade of freezing processing is taken out and is placed on brandreth dish fast, be evacuated to 2.0Pa, continuously freeze drying 4d, reach thorough dehydration, blade is pistac or brown;
4) pulverize: the dry blade of step 3) is carried out to broken wall pulverizing, sieve, obtain 80 order pistac meal;
5) storage: under normal temperature, by step 4) gained meal vacuum sealed package, keep in Dark Place, obtain radix tetrastigme tea finished product.
embodiment bis-
A processing method for radix tetrastigme tea, concrete steps are as follows:
1) choose active component: choose the blade-section of the fresh crude drug radix tetrastigme of life in 2 ~ 3 years August in cultivation base, remove dis-medicinal part;
2) clean: the blade that step 1) is collected adopts selecting method and wet cleaning process removal of impurities, reject and rot, damage by worms after bacterial plaque blade, the liquid detergent that is 0.1% with mass fraction soaks 30min, with running water flowing water, rinse 30min again, until non-foam, then shakeout and dry, remove most of leaf table moisture,-40 ℃ of superfreeze are preserved and are spent 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 ℃, keep 10min, the blade of freezing processing is taken out and is placed on brandreth dish fast, be evacuated to 2.0Pa, continuously freeze drying 3d, reach thorough dehydration, blade is pistac or brown;
4) pulverize: the dry blade of step 3) is carried out to broken wall pulverizing, sieve, obtain 80 order pistac meal;
5) storage: under normal temperature, by step 4) gained meal vacuum sealed package, keep in Dark Place, obtain radix tetrastigme tea finished product.
embodiment tri-
A processing method for radix tetrastigme tea, concrete steps are as follows:
1) choose active component: choose the blade-section of the fresh crude drug radix tetrastigme of life in 2 ~ 3 years September in cultivation base, remove dis-medicinal part;
2) clean: the blade that step 1) is collected adopts selecting method and wet cleaning process removal of impurities, reject and rot, damage by worms after bacterial plaque blade, the liquid detergent that is 0.1% with mass fraction soaks 30min, with running water flowing water, rinse 30min again, until non-foam, then shakeout and dry, remove most of leaf table moisture,-40 ℃ of superfreeze are preserved and are spent 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 ℃, keep 10min, the blade of freezing processing is taken out and is placed on brandreth dish fast, be evacuated to 2.0Pa, continuously freeze drying 3d, reach thorough dehydration, blade is pistac or brown;
4) pulverize: the dry blade of step 3) is carried out to broken wall pulverizing, sieve, obtain 80 order pistac meal;
5) storage: under normal temperature, by step 4) gained meal vacuum sealed package, keep in Dark Place, obtain radix tetrastigme tea finished product.
Adopt high-efficient liquid phase chromatogram technology to measure the content of active ingredient (gallic acid, Quercetin and Kaempferol) in the present invention prepared radix tetrastigme tea, and in the radix tetrastigme tea making 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, content to the gallic acid, Quercetin and the Kaempferol that retain in freeze drying radix tetrastigme tea and high temperature drying radix tetrastigme tea is measured, from table, contrast and can find out, adopt in radix tetrastigme tea prepared by freeze-drying of the present invention contained gallic acid content higher than high temperature drying method 93.05%, contained quercetin content is higher than high temperature drying method 2.31%, and contained Kaempferol content is higher than high temperature drying method 99.99%.Therefore, adopt the radix tetrastigme tea that processing method of the present invention makes can effectively retain the active ingredient in radix tetrastigme.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing 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) choose active component: choose the blade-section of fresh radix tetrastigme, remove other parts;
2) clean: the blade that step 1) is collected adopts after selecting method and wet cleaning process removal of impurities, shakeouts and dries, and removes most of leaf table moisture ,-40 ° of C superfreeze are preserved and are spent the night;
3) dry: by brandreth dish precooling treatment 20 ~ 30min, to temperature, lower than-45 ℃, keep 10min, the blade of freezing processing is taken out and is placed on brandreth dish fast, be evacuated to 2.0Pa, freeze drying 3 ~ 4d continuously, until blade is pistac or brown;
4) pulverize: the dry blade of step 3) is carried out to broken wall pulverizing, sieve, obtain 80 order pistac meal;
5) storage: 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 be to reject to rot, damage by worms after bacterial plaque blade, the liquid detergent that is 0.1% with mass fraction soaks 30min, with running water flowing water, rinse 30min again, until non-foam.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN108782885A (en) * | 2018-04-09 | 2018-11-13 | 安吉三叶青生物科技有限公司 | A kind of radix tetrastigme tea processing method retaining drug activity ingredient |
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Effective date of registration: 20191211 Address after: 361023 No.169 Huanmei North Road, Guankou Town, Jimei District, Xiamen City, Fujian Province Patentee after: XIAMEN TASMAN BIO-TECH CO., LTD. Address before: Cangshan District of Fuzhou City, Fujian province 350002 to build a new town, Jinshan District Patentee before: Fujian Agricultural and Forestry University |