CN102132939A - Method for drying anoectochilus formosanus hayata - Google Patents
Method for drying anoectochilus formosanus hayata Download PDFInfo
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- CN102132939A CN102132939A CN201110073845XA CN201110073845A CN102132939A CN 102132939 A CN102132939 A CN 102132939A CN 201110073845X A CN201110073845X A CN 201110073845XA CN 201110073845 A CN201110073845 A CN 201110073845A CN 102132939 A CN102132939 A CN 102132939A
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- terminal bud
- roxburgh anoectochilus
- anoectochilus terminal
- drying
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Abstract
The invention provides a method fro drying anoectochilus formosanus hayata in microwaves, which comprises the following steps: selecting and washing raw materials, draining water from the raw materials, drying in microwaves under vacuum for the first time, tempering for the first time, drying in microwaves under vacuum for the second time, tempering for the second time and packaging. In the invention, a method of combining a microwave vacuum drying technique and tempering is adopted to dry the anoectochilus formosanus hayata, so the quality of the dry anoectochilus formosanus hayata is improved, the functional ingredients such as polysaccharide, flavones and amino acid and special fragrance are retained effectively, and the anti-breakage ability of the dry anoectochilus formosanus hayata is improved; the drying time is shortened and the production efficiency is improved; and the color and luster of the dry product are almost the same as those of the fresh product, and after rehydration, the quality and color and luster of the dry product can both reflect the properties of fresh anoectochilus formosanus hayata whole plants. A new approach is opened up for drying the anoectochilus formosanus hayata by the unique heating mode and drying mechanism of the microwave vacuum drying technique; and the technique makes in-time control easy and can realize continuous and automatic pollution-free production.
Description
Technical field
The invention belongs to the food drying processing technique field, relate more specifically to a kind of microwave vacuum drying technology that utilizes roxburgh anoectochilus terminal bud is carried out dry method.
Background technology
Roxburgh anoectochilus terminal bud another name Shorthairy Antenoron, rough melic herb are opened lip plant flowers aspidistra for the orchid family and are belonged to perennial rare Chinese herbal medicine.It is wider in the scope of application among the people, have laudatory titles such as " king of medicine ", " gold grass ", " refreshing medicine ", " black genseng ".Measure discovery through relevant department, amino acid composition, composition, content and activity of fighting against senium content of elements all are higher than homemade and wild American Ginseng in the obtuselobed snakegourd leaf.Fresh roxburgh anoectochilus terminal bud water content is very high, and storage tolerance, the easy wilting are not gone bad at normal temperatures, and therefore, drying roxburgh anoectochilus terminal bud becomes the best approach that improves its shelf life.Traditional dry-making method of dried of roxburgh anoectochilus terminal bud is Exposure to Sunlight or heated-air drying, and is the most common with the hot air drying roxburgh anoectochilus terminal bud on the market at present, and its drying finished product brittleness is big, easily be extruded fragmentation, chlorophyll and nutritional labeling loss are serious, and finished product is a brown, and the highly seasoned distinctive smell of roxburgh anoectochilus terminal bud of having covered of burnt odor.
Summary of the invention
The object of the present invention is to provide a kind of drying means of roxburgh anoectochilus terminal bud, the method that the applied microwave vacuum drying technique combines with tempering is carried out drying to roxburgh anoectochilus terminal bud, improves the quality of drying roxburgh anoectochilus terminal bud.
The drying means of a kind of roxburgh anoectochilus terminal bud of the present invention, the step of described drying means comprises: select materials, clean, drain, a micro-wave vacuum, a tempering, secondary microwave vacuum drying, secondary tempering, packing.
Concrete steps are as follows:
(1) select materials: selecting fresh roxburgh anoectochilus terminal bud is raw material;
(2) clean: clean with running water after removing impurity;
(3) drain: the roxburgh anoectochilus terminal bud after will cleaning is divided on the bamboo sieve and is drained;
(4) micro-wave vacuums: the roxburgh anoectochilus terminal bud after will draining carries out the micro-wave vacuum first time, microwave power 1kW～4kW, and vacuum-55 kPa～-85kPa, being dried to moisture content is 30%～80%;
(5) temperings: with roxburgh anoectochilus terminal bud taking-up the carrying out tempering first time;
(6) secondary microwave vacuum drying: the roxburgh anoectochilus terminal bud after the tempering is carried out the micro-wave vacuum second time, microwave power 1kW～4kW, vacuum-55 kPa～-85kPa, be dried to safe moisture content;
(7) secondary tempering: with roxburgh anoectochilus terminal bud taking-up the carrying out tempering second time;
(8) packing.
Described draining is roxburgh anoectochilus terminal bud to be divided on the bamboo sieve drain, and draining to the surface does not have the globule, and the time of draining is 20 min～60min.
A described tempering is to place 20 ℃～40 ℃ temperature and 45%～65% damp condition to place 0.5h～5h down roxburgh anoectochilus terminal bud.
Described secondary tempering is for being to place 20 ℃～40 ℃ temperature and 45%～65% damp condition to place 0.5h～2h down roxburgh anoectochilus terminal bud.
Drying means of the present invention can effectively keep functional characteristic composition and the distinctive fragrance such as polysaccharide, flavones and amino acid in the roxburgh anoectochilus terminal bud, improves its anti-breaking capacity; Shorten drying time, enhance productivity; And dry product color and luster and bright sample are approaching, and its quality and color and luster all can reflect the characteristic of fresh roxburgh anoectochilus terminal bud herb after the rehydration.The mode of heating of micro-wave vacuum uniqueness and drying mechanism can be the drying of roxburgh anoectochilus terminal bud and open up a new approach, and this technology is easy to instant control, can realize the cleaner production of continuous and automatic.
Remarkable advantage of the present invention is:
(1) by research roxburgh anoectochilus terminal bud micro-wave vacuum characteristic, and it is drying to carry out roxburgh anoectochilus terminal bud in conjunction with microwave vacuum drying technology and tempering technology, analyze of the influence of each technological parameter of micro-wave vacuum, optimize the optimum process that obtains micro-wave vacuum the roxburgh anoectochilus terminal bud main quality.This implementation of processes can effectively keep functional characteristic composition and distinctive fragrance such as contained polysaccharide, flavones and amino acid in the roxburgh anoectochilus terminal bud, improves its anti-breaking capacity, shortens drying time, enhances productivity.And microwave itself can play the effect of sterilizing, helps prolonging the product shelf life.
(2) the present invention is easy to instant control, and the production environmental protection is convenient to realize cleaner production continuous, automation.
The specific embodiment
The drying means of a kind of roxburgh anoectochilus terminal bud of the present invention, concrete steps are as follows:
(1) select materials: select fresh, do not have to rot, free from extraneous odour, no disease and pest, the roxburgh anoectochilus terminal bud herb that does not have serious mechanical damage is a raw material;
(2) clean: clean with running water after removing impurity;
(3) drain: the roxburgh anoectochilus terminal bud after will cleaning is divided on the bamboo sieve and is drained;
(4) measure the initial aqueous rate: the initial aqueous rate of roxburgh anoectochilus terminal bud is measured in sampling;
(5) micro-wave vacuums: roxburgh anoectochilus terminal bud is loaded in the rotating disk of microwave vacuum drying chamber, under certain microwave power, useful load and vacuum, carries out the micro-wave vacuum first time;
(6) temperings: will take out through the roxburgh anoectochilus terminal bud of the extremely certain water content of micro-wave vacuum, place tempering a period of time under specific temperature and the damp condition, treat to continue drying after interior free surface moisture of roxburgh anoectochilus terminal bud and the temperature balance;
(7) secondary microwave vacuum drying: the roxburgh anoectochilus terminal bud after the tempering is carried out the micro-wave vacuum second time under certain microwave power, vacuum degree condition, to safe moisture content (moisture content≤8%);
(8) secondary tempering: will take out through the roxburgh anoectochilus terminal bud of micro-wave vacuum, and place and carry out the secondary tempering under specific temperature and the damp condition to safe water content;
(9) roxburgh anoectochilus terminal bud after the secondary tempering is packed.
Described drain roxburgh anoectochilus terminal bud divided on bamboo sieve drain, draining to the surface does not have the globule, the time of draining is 20min～60min.Described initial aqueous rate is determined as and takes by weighing the 5g sample, sets the quick moisture teller temperature of halogen and measures for 105 ℃, and the initial aqueous rate is 92 ± 2%.The purpose of measuring the initial aqueous rate is in order to calculate roxburgh anoectochilus terminal bud over dry material percentage, to calculate each moisture content constantly according to it again.Described micro-wave vacuum is at microwave power 1kW～4kW, vacuum-55 kPa～-85kPa, carry out drying under the condition of useful load 100g～400g.A described tempering is at the roxburgh anoectochilus terminal bud micro-wave vacuum during to certain water content (30%～80%), roxburgh anoectochilus terminal bud taken out to place under specific temperature (20 ℃～40 ℃) and humidity (45%～65%) condition place 0.5h～5h, treat free surface moisture and temperature balance in the roxburgh anoectochilus terminal bud.Described secondary microwave vacuum drying be with the roxburgh anoectochilus terminal bud after the tempering at microwave power 1kW～4kW, vacuum-55 kPa～-continue to be dried to safe moisture content (moisture content≤8%) under the condition of 85kPa.Described secondary tempering be at the roxburgh anoectochilus terminal bud micro-wave vacuum when the safe water content, roxburgh anoectochilus terminal bud taken out to place under specific temperature (20 ℃～40 ℃) and humidity (45%～65%) condition places 0.5h～2h, treat free surface moisture and temperature balance in the roxburgh anoectochilus terminal bud.
Below be several specific embodiment of the present invention, further specify the present invention, but the present invention be not limited only to this.
Embodiment 1
(1) select materials: select fresh, do not have to rot, free from extraneous odour, no disease and pest, the roxburgh anoectochilus terminal bud herb that does not have serious mechanical damage is a raw material;
(2) clean: clean with running water after removing impurity;
(3) drain: the roxburgh anoectochilus terminal bud after will cleaning is divided to drain to the surface on the bamboo sieve does not have the globule, and the time of draining is 20min;
(4) measure the initial aqueous rate: the initial aqueous rate of roxburgh anoectochilus terminal bud is measured in sampling: take by weighing the 5g sample, set the quick moisture teller temperature of halogen and measure for 105 ℃, the initial aqueous rate is 92 ± 2%;
(5) micro-wave vacuums: roxburgh anoectochilus terminal bud is loaded in the rotating disk of microwave vacuum drying chamber,, carries out micro-wave vacuum under vacuum-80kPa at microwave power 3kW, useful load 300g;
(6) temperings: will be that 50% roxburgh anoectochilus terminal bud takes out through micro-wave vacuum to water content, and place 20 ℃, tempering 1h under the condition of relative air humidity 60% treats to continue behind the free surface moisture and temperature balance in the roxburgh anoectochilus terminal bud dry;
(7) secondary microwave vacuum drying: the roxburgh anoectochilus terminal bud after the tempering at microwave power 3kW, is continued drying, to safe moisture content (moisture content≤8%) under the condition of vacuum-80kPa.
(8) secondary tempering: will take out through the roxburgh anoectochilus terminal bud of micro-wave vacuum, and place 25 ℃, tempering 1h under the condition of relative air humidity 50%, free surface moisture and temperature balance in roxburgh anoectochilus terminal bud to safe water content;
(9) roxburgh anoectochilus terminal bud after the secondary tempering is through packing.
The described general processing technology of producing dried product that is packaged as.
Embodiment 2
(1) select materials: select fresh, do not have to rot, free from extraneous odour, no disease and pest, the roxburgh anoectochilus terminal bud herb that does not have serious mechanical damage is a raw material;
(2) clean: clean with running water after removing impurity;
(3) drain: the roxburgh anoectochilus terminal bud after will cleaning is divided to drain to the surface on the bamboo sieve does not have the globule, and the time of draining is 40min;
(4) measure the initial aqueous rate: the initial aqueous rate of roxburgh anoectochilus terminal bud is measured in sampling: take by weighing the 5g sample, set the quick moisture teller temperature of halogen and measure for 105 ℃, the initial aqueous rate is 92 ± 2%;
(5) micro-wave vacuums: roxburgh anoectochilus terminal bud is loaded in the rotating disk of microwave vacuum drying chamber,, carries out micro-wave vacuum under vacuum-70kPa at microwave power 2kW, useful load 400g;
(6) temperings: will be that 60% roxburgh anoectochilus terminal bud takes out through micro-wave vacuum to water content, and place 30 ℃, tempering 3h under the condition of relative air humidity 55% treats to continue behind the free surface moisture and temperature balance in the roxburgh anoectochilus terminal bud dry;
(7) secondary microwave vacuum drying: the roxburgh anoectochilus terminal bud after the tempering at microwave power 2kW, is continued drying, to safe moisture content (moisture content≤8%) under the condition of vacuum-70kPa.
(8) secondary tempering: will take out through the roxburgh anoectochilus terminal bud of micro-wave vacuum, and place 35 ℃, tempering 0.5h under the condition of relative air humidity 45%, free surface moisture and temperature balance in roxburgh anoectochilus terminal bud to safe water content;
(9) roxburgh anoectochilus terminal bud after the secondary tempering is through packing.
The described general processing technology of producing dried product that is packaged as.
Embodiment 3
(1) select materials: select fresh, do not have to rot, free from extraneous odour, no disease and pest, the roxburgh anoectochilus terminal bud herb that does not have serious mechanical damage is a raw material;
(2) clean: clean with running water after removing impurity;
(3) drain: the roxburgh anoectochilus terminal bud after will cleaning is divided to drain to the surface on the bamboo sieve does not have the globule, and the time of draining is 60min;
(4) measure the initial aqueous rate: the initial aqueous rate of roxburgh anoectochilus terminal bud is measured in sampling: take by weighing the 5g sample, set the quick moisture teller temperature of halogen and measure for 105 ℃, the initial aqueous rate is 92 ± 2%;
(5) micro-wave vacuums: roxburgh anoectochilus terminal bud is loaded in the rotating disk of microwave vacuum drying chamber,, carries out micro-wave vacuum under vacuum-85kPa at microwave power 1kW, useful load 200g;
(6) temperings: will be that 70% roxburgh anoectochilus terminal bud takes out through micro-wave vacuum to water content, and place 25 ℃, tempering 4h under the condition of relative air humidity 65% treats to continue behind the free surface moisture and temperature balance in the roxburgh anoectochilus terminal bud dry;
(7) secondary microwave vacuum drying: the roxburgh anoectochilus terminal bud after the tempering at microwave power 1kW, is continued drying, to safe moisture content (moisture content≤8%) under the condition of vacuum-85kPa.
(8) secondary tempering: will take out through the roxburgh anoectochilus terminal bud of micro-wave vacuum, and place 20 ℃, tempering 1.5h under the condition of relative air humidity 55%, free surface moisture and temperature balance in roxburgh anoectochilus terminal bud to safe water content;
(9) roxburgh anoectochilus terminal bud after the secondary tempering is through packing, check finished product.
Packing and check are the general processing technology of producing dried product.
Claims (5)
1. the drying means of a roxburgh anoectochilus terminal bud, it is characterized in that: the step of described drying means comprises: select materials, clean, drain, a micro-wave vacuum, a tempering, secondary microwave vacuum drying, secondary tempering, packing.
2. the drying means of a kind of roxburgh anoectochilus terminal bud according to claim 1, it is characterized in that: the concrete steps of described drying means are as follows:
(1) select materials: selecting fresh roxburgh anoectochilus terminal bud is raw material;
(2) clean: clean with running water after removing impurity;
(3) drain: the roxburgh anoectochilus terminal bud after will cleaning is divided on the bamboo sieve and is drained;
(4) micro-wave vacuums: the roxburgh anoectochilus terminal bud after will draining carries out the micro-wave vacuum first time, microwave power 1kW～4kW, and vacuum-55 kPa～-85kPa, being dried to moisture content is 30%～80%;
(5) temperings: with roxburgh anoectochilus terminal bud taking-up the carrying out tempering first time;
(6) secondary microwave vacuum drying: the roxburgh anoectochilus terminal bud after the tempering is carried out the micro-wave vacuum second time, microwave power 1kW～4kW, vacuum-55 kPa～-85kPa, be dried to safe moisture content;
(7) secondary tempering: with roxburgh anoectochilus terminal bud taking-up the carrying out tempering second time;
(8) packing.
3. the drying means of a kind of roxburgh anoectochilus terminal bud according to claim 2 is characterized in that: described draining is roxburgh anoectochilus terminal bud to be divided on the bamboo sieve drain, and draining to the surface does not have the globule, and the time of draining is 20 min～60min.
4. the drying means of a kind of roxburgh anoectochilus terminal bud according to claim 2 is characterized in that: a described tempering is to place 20 ℃～40 ℃ temperature and 45%～65% damp condition to place 0.5h～5h down roxburgh anoectochilus terminal bud.
5. the drying means of a kind of roxburgh anoectochilus terminal bud according to claim 2 is characterized in that: described secondary tempering is for being to place 20 ℃～40 ℃ temperature and 45%～65% damp condition to place 0.5h～2h down roxburgh anoectochilus terminal bud.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110073845XA CN102132939A (en) | 2011-03-25 | 2011-03-25 | Method for drying anoectochilus formosanus hayata |
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| CN201110073845XA CN102132939A (en) | 2011-03-25 | 2011-03-25 | Method for drying anoectochilus formosanus hayata |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102388951A (en) * | 2011-11-22 | 2012-03-28 | 中国热带农业科学院香料饮料研究所 | Drying method for dehydration peppercorn |
| CN102846952A (en) * | 2012-08-20 | 2013-01-02 | 福建省金草生物集团有限公司 | Method for processing anoectochilus roxburghii purely-fragrant decoction piece |
| CN102846953A (en) * | 2012-08-20 | 2013-01-02 | 福建省金草生物集团有限公司 | Processing method of Anoectochilus roxburghii decoction pieces |
| CN102908380A (en) * | 2012-11-13 | 2013-02-06 | 福建农林大学 | Dry-type processing method of honeysuckle |
| CN111296798A (en) * | 2020-04-27 | 2020-06-19 | 龙岩市永定区巧生农业发展有限公司 | A method for preparing fructus kaki product |
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| CN101461416A (en) * | 2009-01-13 | 2009-06-24 | 福建农林大学 | Dry-making method of dried tremella |
| CN101579013A (en) * | 2009-06-11 | 2009-11-18 | 福建农林大学 | Microwave vacuum drying process for lotus seed |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388951A (en) * | 2011-11-22 | 2012-03-28 | 中国热带农业科学院香料饮料研究所 | Drying method for dehydration peppercorn |
| CN102846952A (en) * | 2012-08-20 | 2013-01-02 | 福建省金草生物集团有限公司 | Method for processing anoectochilus roxburghii purely-fragrant decoction piece |
| CN102846953A (en) * | 2012-08-20 | 2013-01-02 | 福建省金草生物集团有限公司 | Processing method of Anoectochilus roxburghii decoction pieces |
| CN102908380A (en) * | 2012-11-13 | 2013-02-06 | 福建农林大学 | Dry-type processing method of honeysuckle |
| CN111296798A (en) * | 2020-04-27 | 2020-06-19 | 龙岩市永定区巧生农业发展有限公司 | A method for preparing fructus kaki product |
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Application publication date: 20110727 |