CN114540121A - Method for continuously extracting sweet wormwood essential oil - Google Patents
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- CN114540121A CN114540121A CN202111603538.8A CN202111603538A CN114540121A CN 114540121 A CN114540121 A CN 114540121A CN 202111603538 A CN202111603538 A CN 202111603538A CN 114540121 A CN114540121 A CN 114540121A
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/025—Recovery by solvent extraction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to the technical field of essential oil extraction, in particular to a method for continuously extracting sweet wormwood essential oil, aiming at the problems that the extraction purity is low in the existing sweet wormwood essential oil extraction technology, and the extraction rate is low due to more waste of sweet wormwood in the extraction process, the following scheme is provided, wherein the method comprises the following steps: s1: preparing raw materials, S2, primary extraction, S3: continuous extraction, S4: temperature observation and processing, S5: the product inspection shows that the invention aims to improve the purity of the extracted sweet wormwood essential oil by continuously extracting the sweet wormwood, and simultaneously, the sweet wormwood which has become yellow and withered is intensively collected and continuously extracted, so that the extraction rate of the sweet wormwood essential oil extraction process is improved.
Description
Technical Field
The invention relates to the technical field of essential oil extraction, in particular to a method for continuously extracting sweet wormwood essential oil.
Background
With the continuous progress of the living standard of people, after the sheep placenta age, the pure plant age and the herbal age, more and more people begin to pursue a mode of enjoying by the young people: aromatherapy is, in fact, western herbal medicine. The essential oil product is a new favorite in the whole cosmetic market because the essential oil product covers the comprehensive characteristics of all aspects of beautifying and skin care, mood regulation, body health promotion and the like. The plant essential oil is extracted from flower, leaf, root, bark, fruit, seed, resin, etc. of herbaceous plant by distillation and squeezing. Typically consisting of more than a hundred components, and certainly up to several hundred and up to thousands of components. In 1937, a French chemist Renee Maurice Gattefose discovered in one chance, the aromatic odor of plant essential oil and the healing capacity of plants can help the human body to relieve the mind, achieve the aim of skin care and improve the effect of body health, the sweet wormwood essential oil has the effects of clearing deficiency heat, eliminating bone-steaming, relieving summer heat, stopping malaria, removing jaundice and the like, and meanwhile, the sweet wormwood water extract also has wide popularization value antibacterial property, so that the sweet wormwood essential oil is widely applied to life.
However, the existing artemisia apiacea essential oil extraction technology still has the problems of low extraction purity and low extraction rate caused by more artemisia apiacea waste in the extraction process, so that a method for continuously extracting artemisia apiacea essential oil is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems of low extraction purity, high artemisia apiacea waste in an extraction process, low extraction rate and the like of the existing artemisia apiacea essential oil extraction technology, and provides a method for continuously extracting artemisia apiacea essential oil.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for continuously extracting sweet wormwood essential oil comprises the following steps:
s1: preparing raw materials: selecting fresh sweet wormwood as a raw material by a professional, and processing the fresh sweet wormwood;
s2: primary extraction: performing primary extraction of the sweet wormwood essential oil on the treated fresh sweet wormwood;
s3: continuous extraction: collecting herba Artemisiae Annuae with yellowing and withering, and continuously extracting essential oil of herba Artemisiae Annuae;
s4: temperature observation and treatment: manually observing the temperature data in the extraction process in real time through a temperature sensor, and processing through the observation data;
s5: product inspection: inspecting the extracted artemisia apiacea essential oil, and comparing the inspection result with the existing data;
preferably, in S1, a professional selects fresh sweet wormwood as a raw material, and performs screening and yellow leaf removal treatment on the sweet wormwood, and after the treatment, the fresh sweet wormwood is soaked in saturated saline solution for 30-40min, and after the soaking, the fresh sweet wormwood is rinsed with clear water, wherein the rinsing time is 1-3 min;
preferably, in S2, the fresh sweet wormwood herb rinsed by clean water is flatly laid on the glass plate full of vegetable oil and fat, the glass plate is sleeved with the wood frame, the framed glass plates full of fresh sweet wormwood herb are simultaneously overlapped together one by one, after the overlapping is completed, the wooden frame glass plates piled up in a pile are placed in the sun for airing, after 1-2 days of airing, the glass plate is turned over, the yellow and withered sweet wormwood herb is collected in a centralized manner, and a layer of rinsed fresh sweet wormwood herb is flatly laid on the glass plate at the same time, and the process is repeated until the oil and fat coated on the glass is full of released essential oil;
preferably, in S3, when performing continuous extraction by using a subcritical fluid extraction technology, crushing the centrally collected, yellowing and withering sweet wormwood herbs by using a crusher, placing the crushed sweet wormwood herbs into a charging barrel, placing the charging barrel into an extraction tank, sealing the extraction tank, simultaneously turning on a vacuum pump to vacuumize the extraction tank, injecting n-butane and the primary extracted essential oil, wherein the ratio of the raw materials to the solution is 3:2, the temperature in the extraction process is 40-50 ℃, the pressure is 0.5-2MPa, the extraction time is 40-50min, transferring the extraction liquid into an evaporation tank after the extraction is completed, injecting the n-butane into the extraction tank, performing secondary extraction, performing four times in the whole extraction process, driving the extraction liquid for each extraction into the evaporation tank to evaporate, and adding hot water into an interlayer at the bottom of the evaporation tank, wherein the hot water temperature is 85-95 ℃;
preferably, in S4, the temperature data in the extraction process is manually observed in real time through the temperature sensor, and the temperature data of the electronic display screen is judged, and the temperature data is manually recorded when the data does not exceed the specified temperature range, wherein the recording interval is once every 1 hour, and the extraction stopping operation is manually executed when the data exceeds the specified temperature range;
preferably, in S5, after the extraction of the artemisia apiacea essential oil is completed, the extracted artemisia apiacea essential oil is inspected by professional and skilled hot energy sources, wherein the inspection content includes the concentration, the heat-releasing property, the moisture retention and the bacteriostasis rate of the artemisia apiacea essential oil, and the inspection result is compared with the existing artemisia apiacea essential oil data to calculate the purity and the effect improvement rate of the extracted artemisia apiacea essential oil.
Compared with the prior art, the invention has the beneficial effects that:
1. the purity of the extracted sweet wormwood essential oil is improved by continuously extracting sweet wormwood.
2. The method collects the southernwood which has become yellow and withered intensively and continuously extracts the southernwood, thereby improving the extraction rate of the southernwood essential oil extraction process.
The invention aims to improve the purity of the extracted sweet wormwood essential oil by continuously extracting sweet wormwood, and simultaneously, intensively collecting the sweet wormwood which has become yellow and withered and continuously extracting the sweet wormwood, thereby improving the extraction rate of the sweet wormwood essential oil extraction process.
Drawings
Fig. 1 is a flow chart of a method for continuously extracting sweet wormwood essential oil provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example one
Referring to fig. 1, a method for continuously extracting sweet wormwood essential oil comprises the following steps:
s1: preparing raw materials: selecting fresh sweet wormwood as a raw material by a professional, screening the sweet wormwood, removing yellow leaves, soaking the fresh sweet wormwood in saturated salt solution for 30min after the treatment is finished, and rinsing the fresh sweet wormwood with clear water after the soaking is finished, wherein the rinsing time is 1 min;
s2: primary extraction: spreading fresh sweet wormwood rinsed by clear water on a glass plate fully coated with vegetable oil, sheathing the glass plate by using a wood frame, simultaneously stacking the framed glass plates fully coated with the fresh sweet wormwood one by one, airing the stacked wood frame glass plates in the sun after stacking, turning over the glass plate after airing for 1 day, collecting the yellow and withered sweet wormwood in a centralized manner, simultaneously spreading a layer of rinsed fresh sweet wormwood on the glass plate, and repeating the steps until the oil coated on the glass is filled with released essential oil;
s3: continuous extraction: when subcritical fluid extraction technology is adopted for continuous extraction, crushing the centrally collected yellow and withered sweet wormwood herbs by using a crusher, putting the crushed materials into a charging barrel, putting the charging barrel into an extraction tank, sealing the extraction tank, simultaneously opening a vacuum pump to vacuumize the extraction tank, injecting n-butane and primary extracted essential oil, wherein the ratio of raw materials to solution is 3:2, the temperature of the extraction process is 40 ℃, the pressure is 0.5MPa, the extraction time is 40min, transferring the extraction liquid into an evaporation tank after extraction is finished, injecting the n-butane into the extraction tank, carrying out secondary extraction, carrying out the whole extraction process by four times, driving the extraction liquid of each extraction into the evaporation tank for evaporation, and adding hot water into an interlayer at the bottom of the evaporation tank, wherein the temperature of the hot water is 85 ℃;
s4: temperature observation and treatment: manually observing the temperature data in the extraction process in real time through a temperature sensor, judging the temperature data of the electronic display screen, and manually recording the temperature data when the data does not exceed a specified temperature range, wherein the recording interval is once every 1 hour, and the extraction stopping operation is manually executed when the data exceeds the specified temperature range;
s5: product inspection: after the extraction of the sweet wormwood essential oil is finished, the extracted sweet wormwood essential oil is inspected by professional technology hot energy, wherein the inspection content comprises the concentration, the heat-removing property, the moisture retention degree and the bacteriostasis rate of the sweet wormwood essential oil, the inspection result is compared with the existing sweet wormwood essential oil data, and the purity and the effect improvement rate of the extracted sweet wormwood essential oil are calculated.
Example two
Referring to fig. 1, a method for continuously extracting artemisia apiacea essential oil comprises the following steps:
s1: preparing raw materials: selecting fresh sweet wormwood as a raw material by a professional, screening the sweet wormwood, removing yellow leaves, soaking the fresh sweet wormwood in saturated salt solution for 40min after the treatment is finished, and rinsing the fresh sweet wormwood with clear water after the soaking is finished, wherein the rinsing time is 3 min;
s2: primary extraction: spreading fresh sweet wormwood rinsed by clear water on a glass plate fully coated with vegetable oil, covering the glass plate by using a wood frame, simultaneously stacking the framed glass plates fully coated with the fresh sweet wormwood one by one, airing the stacked wood frame glass plates in the sun after completing the stacking, turning over the glass plate after airing for 2 days, collecting the yellow and withered sweet wormwood in a centralized manner, simultaneously spreading a layer of rinsed fresh sweet wormwood on the glass plate, and repeating the steps until the oil coated on the glass is full of released essential oil;
s3: continuous extraction: when subcritical fluid extraction technology is adopted for continuous extraction, crushing the centrally collected yellow and withered sweet wormwood herbs by using a crusher, putting the crushed materials into a charging barrel, putting the charging barrel into an extraction tank, sealing the extraction tank, simultaneously opening a vacuum pump to vacuumize the extraction tank, injecting n-butane and the primary extracted essential oil, wherein the ratio of raw materials to solution is 3:2, the temperature of the extraction process is 50 ℃, the pressure is 2MPa, the extraction time is 50min, transferring the extraction liquid into an evaporation tank after extraction is finished, injecting the n-butane into the extraction tank, carrying out secondary extraction, carrying out four times of extraction in the whole extraction process, driving the extraction liquid of each time into the evaporation tank for evaporation, and adding hot water into an interlayer at the bottom of the evaporation tank, wherein the hot water temperature is 95 ℃;
s4: temperature observation and treatment: manually observing the temperature data in the extraction process in real time through a temperature sensor, judging the temperature data of the electronic display screen, and manually recording the temperature data when the data do not exceed a specified temperature range, wherein the recording interval is once every 1 hour, and the extraction stopping operation is manually executed when the data exceed the specified temperature range;
s5: product inspection: after the extraction of the sweet wormwood essential oil is finished, the extracted sweet wormwood essential oil is inspected by professional technology hot energy, wherein the inspection content comprises the concentration, the heat-removing property, the moisture retention degree and the bacteriostasis rate of the sweet wormwood essential oil, the inspection result is compared with the existing sweet wormwood essential oil data, and the purity and the effect improvement rate of the extracted sweet wormwood essential oil are calculated.
EXAMPLE III
Referring to fig. 1, a method for continuously extracting sweet wormwood essential oil comprises the following steps:
s1: preparing raw materials: selecting fresh sweet wormwood as a raw material by a professional, screening the sweet wormwood, removing yellow leaves, soaking the fresh sweet wormwood for 35min by using saturated salt solution after the treatment is finished, and rinsing the fresh sweet wormwood by using clear water after the soaking is finished, wherein the rinsing time is 2 min;
s2: primary extraction: spreading fresh sweet wormwood rinsed by clear water on a glass plate fully coated with vegetable oil, sheathing the glass plate by using a wood frame, simultaneously stacking the framed glass plates fully coated with the fresh sweet wormwood one by one, airing the stacked wood frame glass plates in the sun after stacking, turning over the glass plate after airing for 2 days, collecting the yellow and withered sweet wormwood in a centralized manner, simultaneously spreading a layer of rinsed fresh sweet wormwood on the glass plate, and repeating the steps until the oil coated on the glass is filled with released essential oil;
s3: continuous extraction: when subcritical fluid extraction technology is adopted for continuous extraction, firstly, intensively collected yellow and withered sweet wormwood is crushed by a crusher, crushed materials are loaded into a charging barrel and placed into an extraction tank, the extraction tank is closed, a vacuum pump is started to vacuumize the extraction tank, n-butane and essential oil extracted at one time are injected, wherein the ratio of raw materials to solution is 3:2, the temperature in the extraction process is 45 ℃, the pressure is 0.7MPa, the extraction time is 45min, after extraction is finished, extraction liquid is transferred into an evaporation tank, the n-butane is injected into the extraction tank for secondary extraction, the whole extraction process needs to be carried out for four times, the extraction liquid extracted at each time is injected into the evaporation tank for evaporation, hot water is added into an interlayer at the bottom of the evaporation tank, and the temperature of the hot water is 90 ℃;
s4: temperature observation and treatment: manually observing the temperature data in the extraction process in real time through a temperature sensor, judging the temperature data of the electronic display screen, and manually recording the temperature data when the data does not exceed a specified temperature range, wherein the recording interval is once every 1 hour, and the extraction stopping operation is manually executed when the data exceeds the specified temperature range;
s5: product inspection: after the extraction of the sweet wormwood essential oil is finished, the extracted sweet wormwood essential oil is inspected by professional technology hot energy, wherein the inspection content comprises the concentration, the heat-removing property, the moisture retention degree and the bacteriostasis rate of the sweet wormwood essential oil, the inspection result is compared with the existing sweet wormwood essential oil data, and the purity and the effect improvement rate of the extracted sweet wormwood essential oil are calculated.
Example four
Referring to fig. 1, a method for continuously extracting sweet wormwood essential oil comprises the following steps:
s1: preparing raw materials: selecting fresh sweet wormwood as a raw material by a professional, screening the sweet wormwood, removing yellow leaves, soaking the fresh sweet wormwood in saturated salt solution for 38min after the treatment is finished, and rinsing the fresh sweet wormwood with clear water after the soaking is finished, wherein the rinsing time is 1 min;
s2: primary extraction: spreading fresh sweet wormwood rinsed by clear water on a glass plate fully coated with vegetable oil, sheathing the glass plate by using a wood frame, simultaneously stacking the framed glass plates fully coated with the fresh sweet wormwood one by one, airing the stacked wood frame glass plates in the sun after stacking, turning over the glass plate after airing for 2 days, collecting the yellow and withered sweet wormwood in a centralized manner, simultaneously spreading a layer of rinsed fresh sweet wormwood on the glass plate, and repeating the steps until the oil coated on the glass is filled with released essential oil;
s3: continuous extraction: when subcritical fluid extraction technology is adopted for continuous extraction, crushing the centrally collected yellow and withered sweet wormwood herbs by using a crusher, putting the crushed materials into a charging barrel, putting the charging barrel into an extraction tank, sealing the extraction tank, simultaneously opening a vacuum pump to vacuumize the extraction tank, injecting n-butane and the primary extracted essential oil, wherein the ratio of raw materials to solution is 3:2, the temperature of the extraction process is 48 ℃, the pressure is 1MPa, the extraction time is 49min, transferring the extraction liquid into an evaporation tank after extraction is finished, injecting the n-butane into the extraction tank, carrying out secondary extraction, carrying out four times of extraction in the whole extraction process, driving the extraction liquid of each time into the evaporation tank for evaporation, and adding hot water into an interlayer at the bottom of the evaporation tank, wherein the temperature of the hot water is 88 ℃;
s4: temperature observation and treatment: manually observing the temperature data in the extraction process in real time through a temperature sensor, judging the temperature data of the electronic display screen, and manually recording the temperature data when the data does not exceed a specified temperature range, wherein the recording interval is once every 1 hour, and the extraction stopping operation is manually executed when the data exceeds the specified temperature range;
s5: product inspection: after the extraction of the sweet wormwood essential oil is finished, the extracted sweet wormwood essential oil is inspected by professional technology hot energy, wherein the inspection content comprises the concentration, the heat-removing property, the moisture retention degree and the bacteriostasis rate of the sweet wormwood essential oil, the inspection result is compared with the existing sweet wormwood essential oil data, and the purity and the effect improvement rate of the extracted sweet wormwood essential oil are calculated.
EXAMPLE five
Referring to fig. 1, a method for continuously extracting sweet wormwood essential oil comprises the following steps:
s1: preparing raw materials: selecting fresh sweet wormwood as a raw material by a professional, screening the sweet wormwood, removing yellow leaves, soaking the fresh sweet wormwood in saturated salt solution for 40min after the treatment is finished, and rinsing the fresh sweet wormwood with clear water after the soaking is finished, wherein the rinsing time is 2 min;
s2: primary extraction: spreading fresh sweet wormwood rinsed by clear water on a glass plate fully coated with vegetable oil, sheathing the glass plate by using a wood frame, simultaneously stacking the framed glass plates fully coated with the fresh sweet wormwood one by one, airing the stacked wood frame glass plates in the sun after stacking, turning over the glass plate after airing for 2 days, collecting the yellow and withered sweet wormwood in a centralized manner, simultaneously spreading a layer of rinsed fresh sweet wormwood on the glass plate, and repeating the steps until the oil coated on the glass is filled with released essential oil;
s3: continuous extraction: when subcritical fluid extraction technology is adopted for continuous extraction, crushing the centrally collected yellow and withered sweet wormwood herbs by using a crusher, putting the crushed materials into a charging barrel, putting the charging barrel into an extraction tank, closing the extraction tank, simultaneously opening a vacuum pump to vacuumize the extraction tank, injecting n-butane and primary extracted essential oil, wherein the ratio of raw materials to solution is 3:2, the temperature of the extraction process is 46 ℃, the pressure is 1.5MPa, the extraction time is 48min, transferring the extraction liquid into an evaporation tank after extraction is finished, injecting the n-butane into the extraction tank, carrying out secondary extraction, carrying out the whole extraction process by four times, driving the extraction liquid of each extraction into the evaporation tank for evaporation, and adding hot water into an interlayer at the bottom of the evaporation tank, wherein the temperature of the hot water is 93 ℃;
s4: temperature observation and treatment: manually observing the temperature data in the extraction process in real time through a temperature sensor, judging the temperature data of the electronic display screen, and manually recording the temperature data when the data does not exceed a specified temperature range, wherein the recording interval is once every 1 hour, and the extraction stopping operation is manually executed when the data exceeds the specified temperature range;
s5: product inspection: after the extraction of the sweet wormwood essential oil is finished, the sweet wormwood essential oil extracted by the professional technology hot energy is inspected, wherein the inspection content comprises the concentration, the heat-releasing property, the moisture retention and the bacteriostasis rate of the sweet wormwood essential oil, the inspection result is compared with the existing sweet wormwood essential oil data, and the purity and the effect improvement rate of the extracted sweet wormwood essential oil are calculated.
The method for continuously extracting the artemisia apiacea essential oil in the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment is used for testing, and the following results are obtained:
the method for continuously extracting the artemisia apiacea essential oil prepared in the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment has the advantages that the purity and the extraction rate are obviously improved compared with the prior method, and the second embodiment is the best embodiment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The method for continuously extracting the sweet wormwood essential oil is characterized by comprising the following steps:
s1: preparing raw materials: selecting fresh sweet wormwood as a raw material by a professional, and processing the fresh sweet wormwood;
s2: primary extraction: performing primary extraction of the sweet wormwood essential oil on the treated fresh sweet wormwood;
s3: continuous extraction: collecting herba Artemisiae Annuae with yellowing and withering, and continuously extracting essential oil of herba Artemisiae Annuae;
s4: temperature observation and treatment: manually observing the temperature data in the extraction process in real time through a temperature sensor, and processing through the observation data;
s5: product inspection: and (4) inspecting the extracted sweet wormwood essential oil, and comparing the inspection result with the existing data.
2. The method as claimed in claim 1, wherein in S1, the professional selects fresh artemisia apiacea as a raw material, and performs screening and yellow leaf removing treatment on the artemisia apiacea, the fresh artemisia apiacea is soaked in saturated saline solution for 30-40min after the treatment is completed, and the artemisia apiacea is rinsed with clear water after the soaking is completed, wherein the rinsing time is 1-3 min.
3. The method as claimed in claim 1, wherein in step S2, fresh artemisia apiacea rinsed with clean water is spread on a glass plate coated with vegetable oil and fat and covered with a wooden frame, the framed glass plates coated with fresh artemisia apiacea are stacked together, and the stacked wooden frame glass plates are dried in the sun after stacking.
4. The method as claimed in claim 3, wherein the method comprises turning over the glass plate after drying for 1-2 days, collecting the yellow and withered herba Artemisiae Annuae, spreading a layer of rinsed fresh herba Artemisiae Annuae on the glass plate, and repeating the steps until the oil coated on the glass is saturated with the released essential oil.
5. The method of claim 1, wherein in the step of S3, the collected southernwood, which has become yellow and withered, is first crushed by a crusher, and the crushed material is loaded into a charging barrel and placed into an extraction tank, the extraction tank is closed, and a vacuum pump is turned on to vacuumize the extraction tank, and n-butane and the extracted essential oil are injected at one time, wherein the ratio of the raw material to the solution is 3: 2.
6. The method for continuously extracting essential oil of sweet wormwood herb according to claim 5, wherein the temperature of the extraction process is 40-50 ℃, the pressure is 0.5-2MPa, the extraction time is 40-50min, the extraction solution is transferred to an evaporation tank after the extraction is completed, n-butane is injected into the extraction tank for secondary extraction, the whole extraction process needs four times, the extraction solution of each extraction is injected into the evaporation tank for evaporation, hot water is added into the interlayer at the bottom of the evaporation tank, and the hot water temperature is 85-95 ℃.
7. The method as claimed in claim 1, wherein in S4, the temperature data during the extraction process is manually observed in real time by a temperature sensor, and is judged by the temperature data of the electronic display screen, and the temperature data is manually recorded when the data does not exceed a specified temperature range, wherein the recording interval is once every 1 hour, and the extraction is manually stopped when the data exceeds the specified temperature range.
8. The method for continuously extracting sweet wormwood essential oil as claimed in claim 1, wherein in S5, after the sweet wormwood essential oil extraction is completed, the extracted sweet wormwood essential oil is inspected by professional and skilled hot energy sources, wherein the inspection contents include concentration, heat-releasing property, moisture retention and bacteriostasis rate of the sweet wormwood essential oil, and the inspection result is compared with the existing sweet wormwood essential oil data to calculate the purity and effect improvement rate of the extracted sweet wormwood essential oil.
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| CN104872344A (en) * | 2015-06-01 | 2015-09-02 | 福建农林大学 | Industrialized jasmine tea processing method |
| CN105132184A (en) * | 2015-09-11 | 2015-12-09 | 中国林业科学研究院林产化学工业研究所 | Method for preparing gardenia essence by subcritical extraction and molecular distillation coupling |
| CN109305975A (en) * | 2018-12-12 | 2019-02-05 | 禹州市合同泰药业有限公司 | A kind of subcritical fluid techniques extract qinghaosu and qinghaosu purification process |
| CN109758413A (en) * | 2019-03-26 | 2019-05-17 | 上海纯元萃生物科技有限公司 | A kind of herbal mouthwash and its low-temperature extraction technique |
| CN211420103U (en) * | 2019-09-23 | 2020-09-04 | 山东小度智慧信息科技有限公司 | Adsorption type plant essential oil extraction device |
| CN111493101A (en) * | 2020-05-05 | 2020-08-07 | 广州市美驰化妆品有限公司 | Preparation of disinfectant from medicinal plants by soaking in vegetable oil or synthetic oil and its application |
| CN112940003A (en) * | 2021-02-09 | 2021-06-11 | 张家港威胜生物医药有限公司 | Method for continuously extracting sweet wormwood essential oil and artemisinin |
| CN113105947A (en) * | 2021-04-21 | 2021-07-13 | 禹州市天源生物科技有限公司 | Preparation method of sweet wormwood essential oil |
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