CN110917298A - Preparation method of dendrobium devoninum paxt ultrafine powder - Google Patents
Preparation method of dendrobium devoninum paxt ultrafine powder Download PDFInfo
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- CN110917298A CN110917298A CN201911400000.XA CN201911400000A CN110917298A CN 110917298 A CN110917298 A CN 110917298A CN 201911400000 A CN201911400000 A CN 201911400000A CN 110917298 A CN110917298 A CN 110917298A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/88—Liliopsida (monocotyledons)
- A61K36/898—Orchidaceae (Orchid family)
- A61K36/8984—Dendrobium
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
- A61K2236/10—Preparation or pretreatment of starting material
- A61K2236/15—Preparation or pretreatment of starting material involving mechanical treatment, e.g. chopping up, cutting or grinding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
- A61K2236/10—Preparation or pretreatment of starting material
- A61K2236/17—Preparation or pretreatment of starting material involving drying, e.g. sun-drying or wilting
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Abstract
The invention discloses a preparation method of dendrobium devoninum paxt superfine powder, which comprises the steps of pretreating fresh dendrobium devoninum paxt, drying at low temperature to constant weight, crushing to coarse powder which completely passes through a 80-mesh sieve, carrying out superfine classification crushing to obtain superfine powder, carrying out microwave sterilization, weighing and packaging to obtain the dendrobium devoninum paxt superfine powder. The invention adopts reduced pressure drying, the drying temperature is lower, the efficacy of the functional active ingredients of the dendrobium devonianum can be effectively maintained, the solubility of the prepared dendrobium devonianum superfine powder is good, and the dissolution and utilization rate of the active ingredients of the dendrobium devonianum is improved.
Description
Technical Field
The invention belongs to the technical field of traditional Chinese medicine ultrafine powder grinding and processing, and particularly relates to a preparation method of dendrobium devoninum paxt ultrafine powder.
Background
Dendrobium devonianum is a kind of plant of the genus Dendrobium belonging to the family Orchidaceae represented by Dendrobium devonianum, which is a kind of rare medicinal plant, Dendrobium nobile. The dendrobium devonianum is an elegant source of medicinal dendrobium nobile, can be used as both medicine and food, can be eaten fresh, and can be processed into dendrobium devonianum, the storage life of fresh dendrobium devonianum strips is short, the dissolution of effective components is not ideal after the dendrobium devonianum is added, and the research on the ultrafine grinding of dendrobium devonianum is necessary for improving the utilization rate and dissolution efficiency of medicinal resources. The active ingredients of the dendrobium devoninum paxt are easy to damage by the superfine grinding technology in the prior art.
Disclosure of Invention
The invention aims to provide a preparation method of dendrobium devoninum paxt superfine powder, which adopts low-temperature reduced pressure drying to effectively keep the active ingredients of dendrobium devoninum paxt, adopts a graded superfine grinding mode to prepare the dendrobium devoninum paxt superfine powder which is uniform and has no waste of raw materials. The technical scheme adopted by the invention is as follows:
a preparation method of dendrobium devoninum paxt ultrafine powder comprises the following steps:
(1) pretreatment: removing roots and leaves of fresh dendrobium devoninum paxt, cleaning with water, drying, and cutting into small sections of 0.1-0.5 cm:
(2) and (3) drying under reduced pressure: placing the small sections of the dendrobium devoninum paxt into a reduced pressure dryer for drying to constant weight;
(3) coarse crushing: crushing the dendrobium devoninum paxt small sections which are sieved with constant weight to be totally sieved by a 80-mesh sieve, and obtaining coarse powder;
(4) ultra-fine grinding: putting the coarse powder into a superfine pulverizer to perform grading pulverization until all the powder is below 500 meshes to obtain dendrobium devoninum paxt superfine powder;
(5) weighing and packaging: and (3) sterilizing the ultrafine powder by microwave, weighing in a sterile room, and packaging to obtain the finished product of the dendrobium devoninum paxt ultrafine powder.
Preferably, the reduced pressure drying temperature in the step (2) is 35-40 ℃, and the vacuum degree is 0.05-0.08 MPa.
Preferably, the ultrafine grinder in the step (4) is provided with a grading device, and the grading devices are respectively 300 meshes and 500 meshes.
Preferably, the microwave sterilization in the step (5) is performed for 4-8 min under the microwave conditions of 2-4 kw of power and 2550-2850 MHz of frequency.
Preferably, the dendrobium devonianum is frozen at the temperature of-30 to-32 ℃ for 20 to 30 minutes before the cutting in the step (1), and then the cutting step is carried out. Preferably, the cutting after freezing is carried out at the temperature of-3 ℃ to-10 ℃, so that not only can the excessive temperature during cutting be prevented from dissolving part of ice crystals, but also the cut dendrobium devonianum sections can be more uniform.
The invention adopts reduced pressure drying for constant weight, has lower temperature, can effectively maintain the efficacy of the functional active ingredients of the dendrobium devonianum, and has the crushing process of coarse crushing and ultrafine crushing, so that the prepared dendrobium devonianum ultrafine powder has uniform and good solubility, and the dissolution and utilization rate of the active ingredients of the dendrobium devonianum are improved.
Detailed Description
Example 1
Selecting fresh dendrobium devonianum, removing roots and leaves, cleaning with water, drying in the air, and cutting into small sections of 0.1 cm; placing the small sections of the dendrobium devoninum paxt into a reduced pressure dryer, setting the temperature at 35 ℃ and the vacuum degree at 0.08MPa, and drying to constant weight; crushing the dendrobium devoninum paxt small sections which are sieved with constant weight to be totally sieved by a 80-mesh sieve, and obtaining coarse powder; putting the coarse powder into an ultrafine grinder for grinding, wherein a grading device is arranged in the ultrafine grinder, screens are respectively 300 meshes and 500 meshes, the ground coarse powder sequentially and completely passes through the grading screen, and the powder which cannot pass through the grading screen is returned to the grinder for continuous grinding until all the powder passes through 500 meshes, so that the dendrobium devoninum paxt ultrafine powder is obtained; sterilizing the superfine powder for 8min under the microwave condition of power of 2kw and frequency of 2550MHz, weighing in a sterile room, and packaging to obtain the finished product of the dendrobium devoninum paxt superfine powder.
Example 2
Selecting fresh dendrobium devonianum, removing roots and leaves, cleaning with water, drying in the air, and cutting into small sections of 0.3 cm; placing the small segments of Dendrobium devoninum Paxt into a reduced pressure dryer, setting the temperature at 38 deg.C and the vacuum degree at 0.06MPa, and drying to constant weight; crushing the dendrobium devoninum paxt small sections which are sieved with constant weight to be totally sieved by a 80-mesh sieve, and obtaining coarse powder; putting the coarse powder into an ultrafine grinder for grinding, wherein a grading device is arranged in the ultrafine grinder, screens are respectively 300 meshes and 500 meshes, the ground coarse powder sequentially and completely passes through the grading screen, and the powder which cannot pass through the grading screen is returned to the grinder for continuous grinding until all the powder passes through 500 meshes, so that the dendrobium devoninum paxt ultrafine powder is obtained; sterilizing the superfine powder for 7min under the microwave condition of 3kw power and 2700MHz frequency, weighing in a sterile room, and packaging to obtain the final product of the dendrobium devoninum paxt superfine powder.
Example 3
Selecting fresh dendrobium devoninum paxt, removing roots and leaves, washing with water, airing, freezing the dendrobium devoninum paxt at the temperature of minus 30 ℃ to minus 32 ℃ for 20 minutes, and then cutting the dendrobium devoninum paxt into small sections of 0.5cm, wherein the cutting is carried out at the temperature of minus 3 ℃ to minus 10 ℃ so as to reduce the loss of nutrient components; placing the small sections of the dendrobium devoninum paxt into a reduced pressure dryer, setting the temperature at 40 ℃ and the vacuum degree at 0.05MPa, and drying to constant weight; crushing the dendrobium devoninum paxt small sections which are sieved with constant weight to be totally sieved by a 80-mesh sieve, and obtaining coarse powder; putting the coarse powder into an ultrafine grinder for grinding, wherein a grading device is arranged in the ultrafine grinder, screens are respectively 300 meshes and 500 meshes, the ground coarse powder sequentially and completely passes through the grading screen, and the powder which cannot pass through the grading screen is returned to the grinder for continuous grinding until all the powder passes through 500 meshes, so that the dendrobium devoninum paxt ultrafine powder is obtained; sterilizing the superfine powder for 6min under the microwave condition of power of 4kw and frequency of 2850MHz, weighing in a sterile room, and packaging to obtain the finished product of the dendrobium devoninum paxt superfine powder.
In example 3, no dissolution and outflow of liquid were observed in the cutting stage, so that the nutrition of the material was perfectly preserved, and the cutting was uniform, thereby shortening the drying time.
Claims (4)
1. A preparation method of dendrobium devoninum paxt ultrafine powder is characterized by comprising the following steps:
(1) pretreatment: removing roots and leaves of fresh dendrobium devonianum, cleaning with water, airing, and cutting into small sections of 0.1-0.5 cm;
(2) and (3) drying under reduced pressure: placing the small sections of the dendrobium devoninum paxt into a reduced pressure dryer for drying to constant weight;
(3) coarse crushing: crushing the dendrobium devoninum paxt small sections which are sieved with constant weight to be totally sieved by a 80-mesh sieve, and obtaining coarse powder;
(4) ultra-fine grinding: putting the coarse powder into a superfine pulverizer to perform grading pulverization until all the powder is below 500 meshes to obtain dendrobium devoninum paxt superfine powder;
(5) weighing and packaging: and (3) sterilizing the ultrafine powder by microwave, weighing in a sterile room, and packaging to obtain the finished product of the dendrobium devoninum paxt ultrafine powder.
2. The method for preparing dendrobium devoninum paxt micropowder according to claim 1, characterized in that: and (3) decompressing and drying in the step (2) at the temperature of 35-40 ℃ and the vacuum degree of 0.05-0.08 MPa.
3. The method for preparing dendrobium devoninum paxt micropowder according to claim 1, characterized in that: and (4) arranging grading devices in the ultrafine grinder in the step (4), wherein the grading devices are respectively 300 meshes and 500 meshes.
4. The method for preparing dendrobium devoninum paxt micropowder according to claim 1, characterized in that: the microwave sterilization in the step (5) is performed for 4-8 min under the microwave conditions of 2-4 kw of power and 2550-2850 MHz of frequency.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603540A (en) * | 2020-06-11 | 2020-09-01 | 南京希元生物医药科技有限公司 | Preparation method of dendrobium extract |
| CN113058720A (en) * | 2021-03-15 | 2021-07-02 | 霍山县斛状元科技有限公司 | Method for preparing fresh dendrobe juice powder |
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| CN103301322A (en) * | 2013-06-01 | 2013-09-18 | 普洱淞茂制药股份有限公司 | Dendrobium ultramicro-pure powder, as well as preparation method and preparation thereof |
| CN104435743A (en) * | 2014-06-10 | 2015-03-25 | 武义寿仙谷中药饮片有限公司 | Method for preparing dendrobium officinale super micropowder |
| CN106108000A (en) * | 2013-09-16 | 2016-11-16 | 充梦霞 | The preparation method of the Herba Dendrobii composite superfine powder being easily absorbed by the body |
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2019
- 2019-12-30 CN CN201911400000.XA patent/CN110917298A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103301322A (en) * | 2013-06-01 | 2013-09-18 | 普洱淞茂制药股份有限公司 | Dendrobium ultramicro-pure powder, as well as preparation method and preparation thereof |
| CN106108000A (en) * | 2013-09-16 | 2016-11-16 | 充梦霞 | The preparation method of the Herba Dendrobii composite superfine powder being easily absorbed by the body |
| CN104435743A (en) * | 2014-06-10 | 2015-03-25 | 武义寿仙谷中药饮片有限公司 | Method for preparing dendrobium officinale super micropowder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603540A (en) * | 2020-06-11 | 2020-09-01 | 南京希元生物医药科技有限公司 | Preparation method of dendrobium extract |
| CN113058720A (en) * | 2021-03-15 | 2021-07-02 | 霍山县斛状元科技有限公司 | Method for preparing fresh dendrobe juice powder |
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