CN113197966A - Processing method for keeping freshness of fritillaria cirrhosa - Google Patents
Processing method for keeping freshness of fritillaria cirrhosa Download PDFInfo
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- CN113197966A CN113197966A CN202110542581.1A CN202110542581A CN113197966A CN 113197966 A CN113197966 A CN 113197966A CN 202110542581 A CN202110542581 A CN 202110542581A CN 113197966 A CN113197966 A CN 113197966A
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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)
- A61K36/896—Liliaceae (Lily family), e.g. daylily, plantain lily, Hyacinth or narcissus
- A61K36/8966—Fritillaria, e.g. checker lily or mission bells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
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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
- A61K2236/13—Preparation or pretreatment of starting material involving cleaning, e.g. washing or peeling
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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 method for processing fresh-keeping of fritillaria cirrhosa, and belongs to the technical field of traditional Chinese medicine processing. The method comprises the following steps: the method comprises the steps of cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 3-10%, airing to remove surface moisture, pre-freezing at-50 to-30 ℃ for 3-6 hours, placing in a freeze dryer with the vacuum degree of 5-90 Pa, controlling the temperature to rise from-75 to-30 ℃ to 40-60 ℃, and carrying out vacuum freeze drying treatment in stages to obtain the dried bulbus fritillariae cirrhosae. The method provided by the invention can maximally keep the fritillaria cirrhosa fresh, and can maximally retain the active ingredients and curative effect of the fritillaria cirrhosa medicinal material.
Description
Technical Field
The invention belongs to the technical field of traditional Chinese medicine processing, and particularly relates to a processing method for keeping freshness of bulbus fritillariae cirrhosae.
Background
Bulbus Fritillariae Cirrhosae (with scientific name: Fritillaria cirrhosa D. Don) is a perennial herb of the genus Fritillaria of the family Liliaceae, and the plant length can reach-50 cm. Leaf pair, leaf strip to strip, needles, flowers usually single, purple to yellow green, each flower with leaf-shaped bract, long and narrow bract, anther near base, long and narrow wing on capsule. Flowering in 5-7 months and bearing fruit in 8-10 months. The bulbus fritilariae is one of the main sources of the medicinal materials. Is a rare Chinese medicinal material for moistening lung and arresting cough.
The existing processing procedures of the bulbus fritillariae cirrhosae are as follows: digging, cleaning, draining, cutting, drying, wherein in the drying process, the active ingredients such as vegetable protein, microorganism, volatile oil and the like in the bulbus fritillariae cirrhosae medicinal material are damaged, and according to related statistics, the efficacy of the fresh bulbus fritillariae cirrhosae is several times to ten times of that of the dry traditional Chinese medicine; bulbus Fritillariae Cirrhosae is easily polluted in the conventional drying process, and the contents of ash, microorganisms and heavy metals are easily exceeded. The traditional Chinese medicine drying process includes the steps of manual sorting, bundling, kneading, airing, drying in a drying room and the like, and has the advantages of large workload, long period, low drying efficiency, high labor cost and great increase of the cost of Chinese medicine decoction pieces.
Disclosure of Invention
The invention aims to provide a method for vacuum freeze drying of fritillaria cirrhosa, aiming at the defects of the method, wherein the method can keep the freshness to the maximum degree, namely the effective components and curative effect of the traditional Chinese medicinal materials can be retained to the maximum degree.
The invention aims to provide a method for processing the preservation of fritillaria cirrhosa, which comprises the following steps:
the method comprises the steps of cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 3-10%, airing to remove surface moisture, pre-freezing at-50 to-30 ℃ for 3-6 hours, placing in a freeze dryer with the vacuum degree of 5-90 Pa, controlling the temperature to rise from-75 to-30 ℃ to 40-60 ℃, and carrying out vacuum freeze drying treatment in stages to obtain the dried bulbus fritillariae cirrhosae.
Preferably, the vacuum freeze drying treatment is carried out in twelve or thirteen stages, the temperature difference between two adjacent stages is 5-10 ℃, and the heat preservation time of each stage is 1.5-3 hours.
More preferably, the temperature is increased in a step mode, and the temperature increasing rate between two adjacent stages is 5-10 ℃/h.
Preferably, the vacuum degree is 40-70 Pa.
Preferably, the thickness of the stacked fresh bulbus fritillariae cirrhosae is less than or equal to 20mm during vacuum drying.
The second purpose of the invention is to provide the bulbus fritillariae cirrhosae prepared by the method.
Compared with the prior art, the invention has the following beneficial effects:
the method provided by the invention can maximally keep the freshness of the fritillaria cirrhosa and can maximally retain the active ingredients and curative effect of the fritillaria cirrhosa medicinal material.
According to the method provided by the invention, the bulbus fritillariae cirrhosae is cleaned by adopting calcium hypochlorite, and the obtained product has a better appearance. Through the staged vacuum freeze drying treatment, the heat preservation time length and the heating rate of each stage are controlled, the effective components, color, fragrance, taste and shape of the unibract fritillary bulb medicinal material can be effectively reserved, the picked fresh unibract fritillary bulb medicinal material can be dried immediately, and the complicated manufacturing process of the traditional drying method is not needed.
Detailed Description
In order to make the technical solutions of the present invention better understood and enable those skilled in the art to practice the present invention, the following embodiments are further described, but the present invention is not limited to the following embodiments.
Example 1
A processing method for keeping freshness of fritillaria cirrhosa comprises the following steps:
cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 5%, airing to remove surface moisture, pre-freezing for 5h at minus 43 ℃, placing in a freeze dryer, controlling the temperature to be vacuum drying treatment in stages from minus 40 ℃ to 45 ℃ under the condition that the stacked thickness is less than or equal to 20mm and the vacuum degree is set to be 49-53 Pa, and automatically drying the astragalus membranaceus at the heating rate of 5 ℃/h between two adjacent stages; the temperature and the heat preservation time of the specific staged treatment are as follows:
a first stage: keeping the temperature at minus 40 ℃ for 3h,
and (2) second stage: keeping the temperature at 35 ℃ below zero for 2h,
and (3) three stages: keeping the temperature at 15 ℃ below zero for 2h,
and a fourth stage: keeping the temperature at minus 5 ℃ for 2h,
five stages: keeping the temperature at 0 ℃ for 1h45min,
six sections: keeping the temperature at 5 ℃ for 2h,
seven sections: keeping the temperature at 15 ℃ for 2h,
eight sections: keeping the temperature at 30 ℃ for 2h,
nine sections: keeping the temperature at 20 ℃ for 3h,
ten sections: keeping the temperature at 30 ℃ for 3h,
eleven sections: keeping the temperature at 35 ℃ for 2h,
twelve stages: keeping the temperature at 40 ℃ for 2h,
thirteen sections: keeping the temperature at 45 ℃ for 2 h; thus obtaining the dried bulbus fritillariae cirrhosae.
Example 2
A processing method for keeping freshness of fritillaria cirrhosa comprises the following steps:
cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 3%, airing to remove surface moisture, pre-freezing for 5h at minus 43 ℃, placing in a freeze dryer, controlling the temperature to be vacuum drying treatment in stages from minus 40 ℃ to 40 ℃ under the condition that the stacked thickness is less than or equal to 20mm and the vacuum degree is set to be 49-53 Pa, and automatically drying the astragalus membranaceus at the heating rate of 10 ℃/h between two adjacent stages; the temperature and the heat preservation time of the specific staged treatment are as follows:
a first stage: keeping the temperature at minus 40 ℃ for 2h
And (2) second stage: keeping the temperature at 35 ℃ below zero for 2h
And (3) three stages: keeping the temperature at 15 ℃ below zero for 2h
And a fourth stage: keeping the temperature at minus 5 ℃ for 1h
Five stages: keeping the temperature at 0 ℃ for 2h
Six sections: keeping the temperature at 5 ℃ for 2h
Seven sections: keeping the temperature at 15 ℃ for 2h
Eight sections: keeping the temperature at 30 ℃ for 2h
Nine sections: keeping the temperature at 20 ℃ for 3h
Ten sections: keeping the temperature at 30 ℃ for 2h
Eleven sections: keeping the temperature at 35 ℃ for 2h
Twelve stages: keeping the temperature at 40 ℃ for 2 h; thus obtaining the dried bulbus fritillariae cirrhosae.
Example 3
A processing method for keeping freshness of fritillaria cirrhosa comprises the following steps:
cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 8%, airing to remove surface moisture, pre-freezing for 5h at minus 38 ℃, placing in a freeze dryer, controlling the temperature to be vacuum drying treatment in stages from minus 40 ℃ to 40 ℃ under the condition that the stacked thickness is less than or equal to 20mm and the vacuum degree is set to be 42-47 Pa, and automatically drying the astragalus membranaceus at the heating rate of 8 ℃/h between two adjacent stages; the temperature and the heat preservation time of the specific staged treatment are as follows:
a first stage: keeping the temperature at minus 40 ℃ for 2h
And (2) second stage: keeping the temperature at 35 ℃ below zero for 2h
And (3) three stages: keeping the temperature at 15 ℃ below zero for 2h
And a fourth stage: keeping the temperature at minus 5 ℃ for 2h
Five stages: keeping the temperature at 0 ℃ for 1h15min
Six sections: keeping the temperature at 5 ℃ for 2h
Seven sections: keeping the temperature at 15 ℃ 2
Eight sections: keeping the temperature at 30 ℃ for 2h
Nine sections: keeping the temperature at 20 ℃ for 3h
Ten sections: keeping the temperature at 30 ℃ for 2h
Eleven sections: keeping the temperature at 35 ℃ for 2h
Twelve stages: keeping the temperature at 40 ℃ for 2 h; thus obtaining the dried bulbus fritillariae cirrhosae.
Example 4
A processing method for keeping freshness of fritillaria cirrhosa comprises the following steps:
cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 5%, airing to remove surface moisture, pre-freezing for 5h at-46 ℃, placing in a freeze dryer, controlling the temperature to be in a staged vacuum drying treatment from-40 ℃ to 45 ℃ under the condition that the stacked thickness is less than or equal to 20mm and the vacuum degree is set to be in a range of 49-53 Pa, and automatically drying the astragalus membranaceus at the heating rate of 10 ℃/h between two adjacent stages; the temperature and the heat preservation time of the specific staged treatment are as follows:
a first stage: keeping the temperature at minus 40 ℃ for 3h
And (2) second stage: keeping the temperature at 35 ℃ below zero for 2h
And (3) three stages: keeping the temperature at 15 ℃ below zero for 2h
And a fourth stage: keeping the temperature at minus 5 ℃ for 2h
Five stages: keeping the temperature at 0 ℃ for 1h45min
Six sections: keeping the temperature at 5 ℃ for 2h
Seven sections: keeping the temperature at 15 ℃ 2
Eight sections: keeping the temperature at 30 ℃ for 2h
Nine sections: keeping the temperature at 20 ℃ for 3h
Ten sections: keeping the temperature at 30 ℃ for 3h
Eleven sections: keeping the temperature at 35 ℃ for 2n
Twelve stages: keeping the temperature at 40 ℃ for 2h
Thirteen sections: keeping the temperature at 45 ℃ for 2 h; thus obtaining the dried bulbus fritillariae cirrhosae.
Example 5
A processing method for keeping freshness of fritillaria cirrhosa comprises the following steps:
cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 5%, airing to remove surface moisture, pre-freezing for 5h at minus 43 ℃, placing in a freeze dryer, controlling the temperature to be vacuum drying treatment in stages from minus 40 ℃ to 40 ℃ under the condition that the stacked thickness is less than or equal to 20mm and the vacuum degree is set to be 49-53 Pa, selecting the heating rate between two adjacent stages to be 10 ℃/h, and automatically drying the astragalus membranaceus; the temperature and the heat preservation time of the specific staged treatment are as follows:
a first stage: keeping the temperature at minus 40 ℃ for 3h
And (2) second stage: keeping the temperature at 35 ℃ below zero for 1h
And (3) three stages: keeping the temperature at 15 ℃ below zero for 2h
And a fourth stage: keeping the temperature at minus 5 ℃ for 3h
Five stages: keeping the temperature at 0 ℃ for 2h
Six sections: keeping the temperature at 5 ℃ for 2h
Seven sections: keeping the temperature at 15 ℃ for 2h
Eight sections: keeping the temperature at 30 ℃ for 2h
Nine sections: keeping the temperature at 20 ℃ for 3h
Ten sections: keeping the temperature at 30 ℃ for 2h
Eleven sections: keeping the temperature at 35 ℃ for 2h
Twelve stages: keeping the temperature at 40 ℃ for 2 h; thus obtaining the dried bulbus fritillariae cirrhosae.
Example 6
A processing method for keeping freshness of fritillaria cirrhosa comprises the following steps:
cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 5%, airing to remove surface moisture, pre-freezing for 5h at minus 43 ℃, placing in a freeze dryer, controlling the temperature to be vacuum drying treatment in stages from minus 40 ℃ to 40 ℃ under the condition that the stacked thickness is less than or equal to 20mm and the vacuum degree is set to be 48-54 Pa, selecting the heating rate between two adjacent stages to be 10 ℃/h, and automatically drying the astragalus membranaceus; the temperature and the heat preservation time of the specific staged treatment are as follows:
a first stage: keeping the temperature at minus 40 ℃ for 3h
And (2) second stage: keeping the temperature at 35 ℃ below zero for 2h
And (3) three stages: keeping the temperature at 15 ℃ below zero for 2h
And a fourth stage: keeping the temperature at minus 5 ℃ for 3h
Five stages: keeping the temperature at 0 ℃ for 2h
Six sections: keeping the temperature at 5 ℃ for 2h
Seven sections: keeping the temperature at 15 ℃ for 2h15min
Eight sections: keeping the temperature at 30 ℃ for 2h
Nine sections: keeping the temperature at 20 ℃ for 3h
Ten sections: keeping the temperature at 30 ℃ for 2h
Eleven sections: keeping the temperature at 35 ℃ for 2h
Twelve stages: keeping the temperature at 40 ℃ for 2 h; thus obtaining the dried bulbus fritillariae cirrhosae.
Example 7
A processing method for keeping freshness of fritillaria cirrhosa comprises the following steps:
cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 5%, airing to remove surface moisture, pre-freezing for 5h at the temperature of minus 40 ℃, putting in a freeze dryer, controlling the temperature to be vacuum drying treatment in stages from minus 40 ℃ to 41 ℃ under the condition that the stacked thickness is less than or equal to 20mm and the vacuum degree is set to be in the range of 44-51 Pa, and automatically drying the astragalus membranaceus at the heating rate of 10 ℃/h between two adjacent stages; the temperature and the heat preservation time of the specific staged treatment are as follows:
a first stage: keeping the temperature at minus 40 ℃ for 2h
And (2) second stage: keeping the temperature at 35 ℃ below zero for 1h
And (3) three stages: keeping the temperature at 15 ℃ below zero for 2h
And a fourth stage: keeping the temperature at minus 5 ℃ for 2h
Five stages: keeping the temperature at 0 ℃ for 2h
Six sections: keeping the temperature at 5 ℃ for 2h
Seven sections: keeping the temperature at 15 ℃ for 2h
Eight sections: keeping the temperature at 30 ℃ for 2h
Nine sections: keeping the temperature at 20 ℃ for 3h
Ten sections: keeping the temperature at 30 ℃ for 2h
Eleven sections: keeping the temperature at 35 ℃ for 2h
Twelve stages: keeping the temperature at 40 ℃ for 2h
Thirteen sections: keeping the temperature at 45 ℃ for 1 h; thus obtaining the dried bulbus fritillariae cirrhosae.
Example 8
A processing method for keeping freshness of fritillaria cirrhosa comprises the following steps:
cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 5%, airing to remove surface moisture, pre-freezing for 5 hours at minus 45 ℃, placing in a freeze dryer, controlling the temperature to be vacuum drying treatment in stages from minus 40 ℃ to 41 ℃ under the condition that the stacked thickness is less than or equal to 20mm and the vacuum degree is set to be 49-56 Pa, and automatically drying the astragalus membranaceus at the heating rate of 10 ℃/h between two adjacent stages; the temperature and the heat preservation time of the specific staged treatment are as follows:
a first stage: keeping the temperature at minus 40 ℃ for 2h
And (2) second stage: keeping the temperature at 35 ℃ below zero for 1h
And (3) three stages: keeping the temperature at 15 ℃ below zero for 2h
And a fourth stage: keeping the temperature at minus 5 ℃ for 2h
Five stages: keeping the temperature at 0 ℃ for 2h
Six sections: keeping the temperature at 5 ℃ for 2h
Seven sections: keeping the temperature at 15 ℃ for 2h
Eight sections: keeping the temperature at 30 ℃ for 2h
Nine sections: keeping the temperature at 20 ℃ for 3h
Ten sections: keeping the temperature at 30 ℃ for 2h
Eleven sections: keeping the temperature at 35 ℃ for 2h
Twelve stages: keeping the temperature at 40 ℃ for 2h
Thirteen sections: keeping the temperature at 45 ℃ for 2 h; thus obtaining the dried bulbus fritillariae cirrhosae.
Example 9
A processing method for keeping freshness of fritillaria cirrhosa comprises the following steps:
cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 5%, airing to remove surface moisture, pre-freezing for 5h at minus 43 ℃, placing in a freeze dryer, controlling the temperature to be vacuum drying treatment in stages from minus 40 ℃ to 45 ℃ under the condition that the stacked thickness is less than or equal to 20mm and the vacuum degree is set to be 47-52 Pa, and automatically drying the astragalus membranaceus at the heating rate of 10 ℃/h between two adjacent stages; the temperature and the heat preservation time of the specific staged treatment are as follows:
a first stage: keeping the temperature at minus 40 ℃ for 1h
And (2) second stage: keeping the temperature at 35 ℃ below zero for 2h
And (3) three stages: keeping the temperature at 15 ℃ below zero for 2h
And a fourth stage: keeping the temperature at minus 5 ℃ for 1h
Five stages: keeping the temperature at 0 ℃ for 2h
Six sections: keeping the temperature at 5 ℃ for 2h
Seven sections: keeping the temperature at 15 ℃ for 2h
Eight sections: keeping the temperature at 30 ℃ for 2h
Nine sections: keeping the temperature at 20 ℃ for 3h
Ten sections: keeping the temperature at 30 ℃ for 2h
Eleven sections: keeping the temperature at 35 ℃ for 2h
Twelve stages: keeping the temperature at 40 ℃ for 2h
Thirteen sections: keeping the temperature at 45 ℃ for 2 h; thus obtaining the dried bulbus fritillariae cirrhosae.
In order to illustrate the relevant performance of the processing method for keeping the freshness of the bulbus fritillariae cirrhosae provided by the invention, the relevant performance of the dried bulbus fritillariae cirrhosae in examples 1-9 and comparative example 1 is detected, and the specific detection result is shown in table 1.
The inspection basis is as follows: (Chinese pharmacopoeia 2015 year edition one part)
(one) checking moisture
The standard specifies: should not exceed 15.0%.
(II) examination of Total Ash
The standard specifies: should not exceed 5.0%.
(III) extract
The standard specifies: the content of the extract is not less than 9.0% by hot dipping method under alcohol-soluble extract measuring method (general rule 2201) with diluted ethanol as solvent.
(IV) determination of content
The standard specifies: the product contains total alkaloids (based on dry product) such as siberian alkaloid (C)27H43NO3) The result should not be less than 0.050%.
Table 1 shows the performance data of dried Bulbus Fritillariae Cirrhosae of examples 1-9 and comparative example 1
| Examples | Water content/%) | Total ash content% | Extract/% | Content determination/%) |
| 1 | 6.1 | 2.8 | 32.1 | 0.162 |
| 2 | 6.6 | 2.3 | 33.4 | 0.169 |
| 3 | 8.3 | 2.56 | 32.6 | 0.166 |
| 4 | 8.0 | 2.73 | 33.7 | 0.161 |
| 5 | 5.6 | 2.4 | 32.8 | 0.170 |
| 6 | 7.4 | 2.85 | 32.3 | 0.173 |
| 7 | 7.3 | 2.60 | 33.1 | 0.164 |
| 8 | 7.1 | 2.57 | 33.5 | 0.172 |
| 9 | 8.2 | 2.5 | 33.9 | 0.163 |
| Comparative example 1 | 11.4 | 2.9 | 27.4 | 0.137 |
As can be seen from Table 1, the method provided by the invention can maximally keep the freshness of the fritillaria cirrhosa and maximally retain the active ingredients and curative effect of the fritillaria cirrhosa.
According to the method provided by the invention, the bulbus fritillariae cirrhosae is cleaned by adopting calcium hypochlorite, and the obtained product has a better appearance. Through the staged vacuum freeze drying treatment, the heat preservation time length and the heating rate of each stage are controlled, the effective components, color, fragrance, taste and shape of the unibract fritillary bulb medicinal material can be effectively reserved, the picked fresh unibract fritillary bulb medicinal material can be dried immediately, and the complicated manufacturing process of the traditional drying method is not needed. The method provided by the invention can effectively improve the drying efficiency and reduce the cost of energy consumption by controlling the total drying time to be 20-30 h.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, it is intended that such changes and modifications be included within the scope of the appended claims and their equivalents.
Claims (6)
1. A processing method for keeping freshness of fritillaria cirrhosa is characterized by comprising the following steps:
the method comprises the steps of cleaning picked fresh bulbus fritillariae cirrhosae by using a hypochlorite aqueous solution with the mass concentration of 3-10%, airing to remove surface moisture, pre-freezing at-50 to-30 ℃ for 3-6 hours, placing in a freeze dryer with the vacuum degree of 5-90 Pa, controlling the temperature to rise from-75 to-30 ℃ to 40-60 ℃, and carrying out vacuum freeze drying treatment in stages to obtain the dried bulbus fritillariae cirrhosae.
2. The processing method for keeping the freshness of the fritillaria cirrhosa as claimed in claim 1, wherein the processing method comprises twelve or thirteen stages of vacuum freeze drying treatment, the temperature difference between two adjacent stages is 5-10 ℃, and the heat preservation time of each stage is 1.5-3 hours.
3. The processing method for keeping the freshness of the fritillaria cirrhosa as claimed in claim 2, wherein the temperature is raised in a step manner, and the temperature raising rate between two adjacent stages is 5-10 ℃/h.
4. The processing method for keeping the freshness of the fritillaria cirrhosa as claimed in claim 1, wherein the vacuum degree is 40-70 Pa.
5. The method for processing the preservation of Bulbus Fritillariae Cirrhosae as claimed in claim 1, wherein the thickness of the stack of fresh Bulbus Fritillariae Cirrhosae is less than or equal to 20mm during vacuum drying.
6. Bulbus Fritillariae Cirrhosae obtained by the method of claim 1.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780210A (en) * | 2010-03-16 | 2010-07-21 | 重庆市中药研究院 | Method for processing bulbus fritillariae cirrhosae |
| CN107296820A (en) * | 2017-06-29 | 2017-10-27 | 黑龙江神守药业有限公司 | A kind of no added lyophilized ginseng class medicinal material |
| CN108210706A (en) * | 2018-04-04 | 2018-06-29 | 安徽颐生堂中药饮片有限公司 | A kind of concocting method of bulbus fritillariae cirrhosae medicine materical crude slice |
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2021
- 2021-05-18 CN CN202110542581.1A patent/CN113197966A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780210A (en) * | 2010-03-16 | 2010-07-21 | 重庆市中药研究院 | Method for processing bulbus fritillariae cirrhosae |
| CN107296820A (en) * | 2017-06-29 | 2017-10-27 | 黑龙江神守药业有限公司 | A kind of no added lyophilized ginseng class medicinal material |
| CN108210706A (en) * | 2018-04-04 | 2018-06-29 | 安徽颐生堂中药饮片有限公司 | A kind of concocting method of bulbus fritillariae cirrhosae medicine materical crude slice |
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