JPH11333203A - Extraction and concentration device - Google Patents

Extraction and concentration device

Info

Publication number
JPH11333203A
JPH11333203A JP10149557A JP14955798A JPH11333203A JP H11333203 A JPH11333203 A JP H11333203A JP 10149557 A JP10149557 A JP 10149557A JP 14955798 A JP14955798 A JP 14955798A JP H11333203 A JPH11333203 A JP H11333203A
Authority
JP
Japan
Prior art keywords
evaporator
solvent
extractor
extraction
condenser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP10149557A
Other languages
Japanese (ja)
Other versions
JP4350178B2 (en
Inventor
Takashi Takeya
孝 竹谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KIMURA RIKAGAKU SEISAKUSHO KK
Tokyo Rikakikai Co Ltd
Original Assignee
KIMURA RIKAGAKU SEISAKUSHO KK
Tokyo Rikakikai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KIMURA RIKAGAKU SEISAKUSHO KK, Tokyo Rikakikai Co Ltd filed Critical KIMURA RIKAGAKU SEISAKUSHO KK
Priority to JP14955798A priority Critical patent/JP4350178B2/en
Publication of JPH11333203A publication Critical patent/JPH11333203A/en
Application granted granted Critical
Publication of JP4350178B2 publication Critical patent/JP4350178B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Extraction Or Liquid Replacement (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

PROBLEM TO BE SOLVED: To enable a series of operating steps to be performed by a single device and a highly concentrated extracted liquid to be made available using a small quantity of solvent by providing a switching means for a branched pipe and a flow path which branches out a condensate to a distillation receiver and an extractor between an evaporator and a condenser, and connecting the extractor to the evaporator with a siphon pipe. SOLUTION: An extractable material is loaded in an extractor 9 and an extraction solvent is loaded in an evaporator 2, and the intrasystem pressure is reduced and the extraction solvent is vaporized by heating the evaporator 2. The solvent vapor is cooled and liquefied by a condenser 7 through the opening 10e of a branched pipe 10 and a component is extracted from the extractable material in the extractor 9 through the upper chamber 10b of the branched pipe 10 and nozzles 12, 15, and further, a solid matter is removed from the component using a filer 16. In addition, the extracted component is returned to the evaporator 2 through a siphon pipe 17 and a nozzle 21. After that, the solvent contained in a reflux extracted liquid is re-evaporized to repeat an extraction process until the extracted component is concentrated to a required concentration. When the concentration has reached the required degree, a heating tank 4 is separated from the evaporator 2. During the concentrating, the liquefied solvent in the condenser 7 is accumulated in a distillation receiver 5 from a bypass pipe 11. Thus, it is possible to perform a series of operating steps without the stoppage of an operation and realize the highly concentrated extraction at a high efficiency using a small quantity of solvent.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、生薬、天然物、環
境計測を目的とする場合など、固体から成分を抽出する
際に、抽出、濾過、濃縮の一連の作業を効率よく行う抽
出濃縮装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extraction / concentration apparatus for efficiently performing a series of operations of extraction, filtration and concentration when extracting components from solids, such as when measuring crude drugs, natural products, and environmental measurements. About.

【0002】[0002]

【従来の技術】従来、薬草や植物などからの天然物の抽
出や、環境計測を目的とする土壌、動植物体からの成分
を抽出するためには、分液ロート、ソックスレー、抽出
塔などの器具や装置を使用し、新溶媒に入れ換えなが
ら、2〜3回抽出作業を繰り返して、目的成分が抽出さ
れた大量の抽出液を作り、これを濾過して清浄にし、ロ
ータリーエバポレータなどに拠って濃縮し、溶媒を除去
する作業を行っている。
2. Description of the Related Art Conventionally, in order to extract natural products from herbs and plants, and to extract components from soil, animals and plants for environmental measurement, instruments such as separation funnels, soxhlet and extraction towers have been used. The extraction process is repeated two or three times while replacing the solvent with a new solvent by using a solvent or a device to produce a large amount of the extract from which the target component has been extracted. This is filtered, cleaned, and concentrated using a rotary evaporator. And removes the solvent.

【0003】[0003]

【発明が解決しようとする課題】このように、一連の作
業における抽出、濾過、濃縮の各々の工程を別々の装置
で行っているため手間がかかり、また、目的成分の薄い
抽出液が大量であるところから、濃縮に要する時間も多
く掛かっている。
As described above, since the extraction, filtration, and concentration steps in a series of operations are performed by separate apparatuses, it takes time and effort, and a large amount of a thin extract containing the target component is required. From a certain point, much time is required for concentration.

【0004】そこで本発明は、一連の作業が一つの装置
で行え、かつ、少ない溶媒量で抽出成分の濃い抽出液が
得られるようにした抽出濃縮装置を提供することを目的
としている。
[0004] Therefore, an object of the present invention is to provide an extraction and concentration apparatus which can perform a series of operations with one apparatus and can obtain an extract having a high concentration of extracted components with a small amount of solvent.

【0005】[0005]

【課題を解決するための手段】上記した目的を達成する
ため、本発明の抽出濃縮装置は、蒸発器と凝縮器との間
に、凝縮液を留出受器と抽出器とへ分岐する分岐管を設
け、前記留出受器への流路と前記抽出器への流路とを切
替え可能とするとともに、前記抽出器に濾過手段を設
け、該抽出器と前記蒸発器とをサイフォン管を介して連
結したことを特徴としている。
In order to achieve the above object, an extraction and concentration apparatus according to the present invention comprises a branching device for branching a condensed liquid between a distilling receiver and an extractor between an evaporator and a condenser. A pipe is provided, and a flow path to the distilling receiver and a flow path to the extractor can be switched, and a filtering means is provided in the extractor, and the extractor and the evaporator are siphon tubes. It is characterized by being connected through

【0006】[0006]

【発明の実施の形態】以下、本発明を、図面に示す実施
形態例に基づいて、さらに詳細に説明する。本実施形態
例の抽出濃縮装置1は、濃縮装置であるロータリーエバ
ポレータを利用して抽出機能を付加したもので、蒸発器
2と、該蒸発器2を回転する駆動部3と、蒸発器2を加
熱する加熱槽4と、溶媒液の留出受器5と、アダプター
6と、蒸発溶媒を冷却管7で冷却して凝縮液とする凝縮
器8と、抽出材料を充填する抽出器9と、凝縮器7で凝
縮された凝縮液を前記留出受器5と前記抽出器9とへ分
岐する分岐管10とを有しており、該分岐管10は、前
記蒸発器2と前記凝縮器7との間に設けられている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail based on embodiments shown in the drawings. The extraction and concentration device 1 of the present embodiment is provided with an extraction function using a rotary evaporator, which is a concentration device, and includes an evaporator 2, a driving unit 3 that rotates the evaporator 2, and an evaporator 2. A heating tank 4 for heating, a distilling receiver 5 for the solvent liquid, an adapter 6, a condenser 8 for cooling the evaporated solvent by a cooling pipe 7 to be a condensate, and an extractor 9 for filling an extraction material, It has a branch pipe 10 for branching the condensed liquid condensed in the condenser 7 to the distilling receiver 5 and the extractor 9. The branch pipe 10 is provided with the evaporator 2 and the condenser 7. And is provided between them.

【0007】この分岐管10は、下部室10aと上部室
10bとを隔壁10cで仕切り、隔壁10cの中央に上
部室10bへ突出する立ち上がり管10dを設け、該立
ち上がり管10dに開口10eを形成しており、上部室
10bには、下部室10aへのバイパス管11と、前記
抽出器9へのノズル12が設けられ、バイパス管11に
はコック13が備えられている。
In the branch pipe 10, a lower chamber 10a and an upper chamber 10b are separated by a partition 10c, a riser 10d projecting toward the upper chamber 10b is provided at the center of the partition 10c, and an opening 10e is formed in the riser 10d. The upper chamber 10b is provided with a bypass pipe 11 to the lower chamber 10a and a nozzle 12 to the extractor 9, and the bypass pipe 11 is provided with a cock 13.

【0008】前記抽出器9は、頂部にリークコック14
を、上側部にキャップノズル15をそれぞれ備え、内部
の底部近傍に濾過手段としてフィルター16を設け、底
部中央からサイフォン管17を立ち上げており、前記キ
ャップノズル15は、前記分岐管10のノズル12とコ
ック18を備えた配管19を介して接続し、前記サイフ
ォン管17はドレーンコック20を備え、前記蒸発器2
のサンプル導入キャピラリーノズル21に接続してい
る。
The extractor 9 has a leak cock 14 at the top.
, A cap nozzle 15 is provided on the upper side, a filter 16 is provided as a filtering means near the inner bottom, and a siphon pipe 17 is raised from the center of the bottom. The cap nozzle 15 is a nozzle 12 of the branch pipe 10. And a siphon pipe 17 provided with a drain cock 20 and a pipe 18 provided with a cock 18.
Is connected to the sample introduction capillary nozzle 21.

【0009】該サンプル導入キャピラリーノズル21と
前記サイフォン管17との間にはコック22が設けら
れ、また、サンプル導入キャピラリーノズル21には吸
い込みコック23が設けられている。
A cock 22 is provided between the sample introduction capillary nozzle 21 and the siphon tube 17, and a suction cock 23 is provided in the sample introduction capillary nozzle 21.

【0010】次に、このように構成された抽出濃縮装置
1による抽出、濾過、濃縮の各工程の一連の作業を説明
する。先ず、抽出、濾過工程は、抽出器9に抽出材料を
充填し、蒸発器2に抽出溶媒を入れ、コック13,2
3、リークコック14、ドレーンコック20を閉にセッ
トし、コック18,22を開にして分岐管10から抽出
器9への流路25及び抽出器9から蒸発器2への流路2
6を開く。然して凝縮器7頂部の減圧口24から減圧装
置等により、系内を所定の減圧状態にした上で、加熱槽
4の熱源で蒸発器2を加熱し、蒸発器2内の抽出溶媒を
蒸発する。
Next, a series of operations of each step of extraction, filtration, and concentration by the extraction / concentration apparatus 1 configured as described above will be described. First, in the extraction and filtration steps, the extractor 9 is filled with the extraction material, the evaporator 2 is charged with the extraction solvent, and the cocks 13 and 2 are filled.
3. The leak cock 14 and the drain cock 20 are set to be closed, and the cocks 18 and 22 are opened to open the flow path 25 from the branch pipe 10 to the extractor 9 and the flow path 2 from the extractor 9 to the evaporator 2.
Open 6. The evaporator 2 is heated by the heat source of the heating tank 4 to evaporate the extraction solvent in the evaporator 2 after the inside of the system is reduced to a predetermined reduced pressure by a decompression device or the like from the decompression port 24 at the top of the condenser 7. .

【0011】溶媒蒸気は、前記分岐管10の立ち上がり
管10dの開口10eから凝縮器7へ入り、凝縮器7で
冷却されて液化して溶媒液となって分岐管10の上部室
10bに落下し、ノズル12からキャップノズル15を
経由して抽出器9へ流れ込み、抽出器9内の抽出材料か
ら成分を抽出し、フィルター16により固形分が取り除
かれた抽出液が抽出器9の底部から前記サイフォン管1
7に溜まる。溶媒液が抽出器9を満たし、サイフォン管
17の最上部の高さまで達すると、抽出液はサイフォン
管17から前記サンプル導入キャピラリーノズル21を
介して蒸発器2に戻る。
The solvent vapor enters the condenser 7 through the opening 10e of the riser pipe 10d of the branch pipe 10, is cooled by the condenser 7 and liquefied, becomes a solvent liquid, and falls into the upper chamber 10b of the branch pipe 10. , From the nozzle 12 to the extractor 9 via the cap nozzle 15 to extract components from the extracted material in the extractor 9, and the extract from which solids have been removed by the filter 16 is passed through the siphon from the bottom of the extractor 9. Tube 1
Collect at 7. When the solvent liquid fills the extractor 9 and reaches the top of the siphon tube 17, the extract returns from the siphon tube 17 to the evaporator 2 via the sample introduction capillary nozzle 21.

【0012】蒸発器2に戻った抽出液中の溶媒を再び蒸
発し、前記のように凝縮器7、分岐管10、抽出器9か
ら蒸発器2に還流させ、抽出した成分が必要な濃度にな
るまでこの運転を繰り返す。
[0012] The solvent in the extract returned to the evaporator 2 is again evaporated, and refluxed from the condenser 7, the branch pipe 10, and the extractor 9 to the evaporator 2 as described above, so that the extracted components have the required concentration. Repeat this operation until it is.

【0013】濃縮工程は、抽出器9のリークコック14
を開いて抽出器9内の抽出液を全て蒸発器2に移しコッ
ク22を閉じる。次いで、コック18を閉じて分岐管1
0から抽出器9への流路25及び抽出器9から蒸発器2
への流路26を閉じ、コック13を開いて分岐管10か
ら前記留出受器5への流路であるバイパス管11を開
き、前記抽出、濾過工程と同様に、蒸発器2内の抽出液
中の溶媒を蒸発して凝縮器7で凝縮させると、液化した
溶媒は、分岐管10の上部室10bに落下し、バイパス
管11から留出受器5に溜まる。
[0013] The concentration step is performed by the leak cock 14 of the extractor 9.
Is opened, all the extract in the extractor 9 is transferred to the evaporator 2, and the cock 22 is closed. Next, the cock 18 is closed and the branch pipe 1 is closed.
Flow path 25 from 0 to extractor 9 and evaporator 2 from extractor 9
And the cock 13 is opened to open the bypass pipe 11, which is a flow path from the branch pipe 10 to the distillation receiver 5, and the extraction in the evaporator 2 is performed in the same manner as in the extraction and filtration steps. When the solvent in the liquid is evaporated and condensed in the condenser 7, the liquefied solvent falls into the upper chamber 10 b of the branch pipe 10 and accumulates in the distilling receiver 5 from the bypass pipe 11.

【0014】蒸発器2内の抽出液は、溶媒の蒸発によっ
て溶媒が除去されて濃縮が進み、抽出液が所望の濃縮度
に達した時点で加熱槽4を蒸発器2から離し、系内を常
圧に戻すことで濃縮工程を終了する。
The extract in the evaporator 2 is concentrated by removing the solvent by evaporation of the solvent, and when the extract reaches a desired concentration, the heating tank 4 is separated from the evaporator 2 and the system is cleaned. The concentration step is completed by returning to normal pressure.

【0015】このように、抽出濃縮装置1は、抽出、濾
過、濃縮の各工程からなる一連の作業を装置の運転を止
めることなく、コックの開閉による流路の切替えのみで
行えるから、作業の手間が省ける。また、溶媒を蒸留し
ながら循環するため、抽出材料には常に純粋な溶媒が供
給され、少ない溶媒量で効率よく抽出が進む。さらに、
抽出器9にフィルター16が設けられているから、抽出
液は濾過されて蒸発器2に還流する。しかも、クローズ
系であるから、溶媒を移し替えることなく一連の作業が
行え、従来のような溶媒蒸気による健康障害や、機器の
洗浄等による廃液処理の問題が低減する。また、本実施
形態例の場合、既存のロータリーエバポレータに抽出機
能を有する部品を追加することで目的の装置とすること
ができ、経済的効果が大きい。
As described above, the extraction and concentration apparatus 1 can perform a series of operations including the extraction, filtration and concentration steps only by switching the flow path by opening and closing the cock without stopping the operation of the apparatus. Saves time. Further, since the solvent is circulated while being distilled, a pure solvent is always supplied to the extraction material, and the extraction proceeds efficiently with a small amount of solvent. further,
Since the extractor 9 is provided with the filter 16, the extract is filtered and returned to the evaporator 2. In addition, since the system is a closed system, a series of operations can be performed without transferring the solvent, and the problems of health problems due to solvent vapor and waste liquid treatment due to washing of equipment as in the related art are reduced. Further, in the case of the present embodiment, a target device can be obtained by adding a component having an extraction function to an existing rotary evaporator, and the economic effect is large.

【0016】なお、上記実施形態例では、ロータリーエ
バポレータに抽出機能を付加したもので説明したが、本
発明はこれに限定されるものではない。
In the above embodiment, the rotary evaporator is provided with an extraction function, but the present invention is not limited to this.

【0017】[0017]

【発明の効果】以上説明したように、本発明の抽出濃縮
装置は、蒸発器と凝縮器との間に、凝縮液を留出受器と
抽出器とへ分岐する分岐管を設け、留出受器への流路と
抽出器への流路とを切替え可能とするとともに、抽出器
に濾過手段を設け、抽出器と蒸発器とをサイフォン管を
介して連結したので、分岐管からの流路を抽出器に切り
替えることにより、蒸発器から凝縮器、分岐管、抽出器
を回って蒸発器へ戻る還流路を構成し、溶媒を循環させ
て抽出、濾過工程の作業を行い、必要な濃度の抽出液を
得たら、分岐管からの流路を留出受器に切り替えること
により、抽出液から溶媒を蒸発させて、濃縮工程の作業
を行うことができる。
As described above, the extractor-concentrator according to the present invention is provided with a branch pipe between an evaporator and a condenser for branching a condensed liquid to a distilling receiver and an extractor, and to distill the condensed liquid. Since the flow path to the receiver and the flow path to the extractor can be switched, the extractor is provided with a filtering means, and the extractor and the evaporator are connected via a siphon pipe. By switching the path to the extractor, a reflux path from the evaporator to the condenser, branch pipe, and the extractor is returned to the evaporator, and the solvent is circulated to perform the extraction and filtration steps, and the required concentration Once the extract is obtained, by switching the flow path from the branch pipe to the distillation receiver, the solvent can be evaporated from the extract and the operation of the concentration step can be performed.

【0018】したがって、抽出、濾過、濃縮の各工程を
装置の運転を止めることなく、流路の切替えのみで一連
の作業が行えるから、作業の手間が省ける。また、溶媒
を蒸留しながら循環するため、抽出材料には常に純粋な
溶媒が供給され、少ない溶媒量で効率よく抽出が進む。
さらに、抽出器に濾過手段が設けられているから、抽出
液は濾過されて蒸発器に還流する。しかも、クローズ系
であるから、溶媒を移し替えることなく一連の作業が行
え、従来のような溶媒蒸気による健康障害や、機器の洗
浄等による廃液処理の問題が低減する。
Accordingly, a series of operations can be performed in each of the extraction, filtration, and concentration steps only by switching the flow paths without stopping the operation of the apparatus, and thus the labor of the operations can be reduced. Further, since the solvent is circulated while being distilled, a pure solvent is always supplied to the extraction material, and the extraction proceeds efficiently with a small amount of solvent.
Further, since the extractor is provided with a filtering means, the extract is filtered and returned to the evaporator. In addition, since the system is a closed system, a series of operations can be performed without transferring the solvent, and the problems of health problems due to solvent vapor and waste liquid treatment due to washing of equipment as in the related art are reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図1】 本発明の一実施形態例を示す抽出濃縮装置の
概略図である。
FIG. 1 is a schematic diagram of an extraction and concentration device showing an embodiment of the present invention.

【図2】 分岐管の一部断面図である。FIG. 2 is a partial cross-sectional view of a branch pipe.

【図3】 抽出器の一部断面図である。FIG. 3 is a partial cross-sectional view of the extractor.

【符号の説明】[Explanation of symbols]

1…抽出濃縮装置、2…蒸発器、5…留出受器、8…凝
縮器、9…抽出器、10…分岐管、13,18,22…
コック、16…フィルター、17…サイフォン管、25
…分岐管10から抽出器9への流路、26…抽出器9か
ら蒸発器2への流路
DESCRIPTION OF SYMBOLS 1 ... Extraction concentration apparatus, 2 ... Evaporator, 5 ... Distillation receiver, 8 ... Condenser, 9 ... Extractor, 10 ... Branch pipe, 13, 18, 22 ...
Cock, 16 ... Filter, 17 ... Siphon tube, 25
... flow path from branch pipe 10 to extractor 9, 26 ... flow path from extractor 9 to evaporator 2

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 蒸発器と凝縮器との間に、凝縮液を留出
受器と抽出器とへ分岐する分岐管を設け、前記留出受器
への流路と前記抽出器への流路とを切替え可能とすると
ともに、前記抽出器に濾過手段を設け、該抽出器と前記
蒸発器とをサイフォン管を介して連結したことを特徴と
する抽出濃縮装置。
1. A branch pipe for branching a condensed liquid between a distilling receiver and an extractor is provided between an evaporator and a condenser, and a flow path to the distilling receiver and a flow to the extractor are provided. An extraction / concentration device, wherein the extractor is provided with a filtering means, and the extractor and the evaporator are connected via a siphon tube.
JP14955798A 1998-05-29 1998-05-29 Extraction and concentration equipment Expired - Lifetime JP4350178B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14955798A JP4350178B2 (en) 1998-05-29 1998-05-29 Extraction and concentration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14955798A JP4350178B2 (en) 1998-05-29 1998-05-29 Extraction and concentration equipment

Publications (2)

Publication Number Publication Date
JPH11333203A true JPH11333203A (en) 1999-12-07
JP4350178B2 JP4350178B2 (en) 2009-10-21

Family

ID=15477783

Family Applications (1)

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Cited By (8)

* Cited by examiner, † Cited by third party
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CN101862548A (en) * 2010-05-26 2010-10-20 重庆大学 Combined type extracting device
CN102172438A (en) * 2011-03-09 2011-09-07 兰州大学 Ultrasonic continuous extraction and concentration device for natural medicines
CN102350087A (en) * 2011-07-01 2012-02-15 江苏大学 Ultrasonic negative pressure circulating extraction device
JP2016511685A (en) * 2013-02-05 2016-04-21 フォス アナリティカル アクチエボラグFOSS Analytical AB Solvent extraction device
CN109758784A (en) * 2019-03-20 2019-05-17 河北鑫民和医药科技开发有限责任公司 A kind of new type of continuous traditional Chinese medicine extraction enrichment facility
CN112121460A (en) * 2020-10-01 2020-12-25 高建新 A extraction subassembly for tea-oil camellia seed cleaning powder
CN112203736A (en) * 2018-05-30 2021-01-08 汉斯海多尔夫有限公司 Cleaning device for a rotary evaporator
CN116463169A (en) * 2023-06-19 2023-07-21 广东粤港澳大湾区黄埔材料研究院 Emu oil and extraction and purification method, device and application thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101862548A (en) * 2010-05-26 2010-10-20 重庆大学 Combined type extracting device
CN102172438A (en) * 2011-03-09 2011-09-07 兰州大学 Ultrasonic continuous extraction and concentration device for natural medicines
CN102350087A (en) * 2011-07-01 2012-02-15 江苏大学 Ultrasonic negative pressure circulating extraction device
JP2016511685A (en) * 2013-02-05 2016-04-21 フォス アナリティカル アクチエボラグFOSS Analytical AB Solvent extraction device
CN112203736A (en) * 2018-05-30 2021-01-08 汉斯海多尔夫有限公司 Cleaning device for a rotary evaporator
CN109758784A (en) * 2019-03-20 2019-05-17 河北鑫民和医药科技开发有限责任公司 A kind of new type of continuous traditional Chinese medicine extraction enrichment facility
CN109758784B (en) * 2019-03-20 2024-04-26 河北鑫民和医药科技开发有限责任公司 Continuous traditional chinese medicine draws enrichment facility
CN112121460A (en) * 2020-10-01 2020-12-25 高建新 A extraction subassembly for tea-oil camellia seed cleaning powder
CN116463169A (en) * 2023-06-19 2023-07-21 广东粤港澳大湾区黄埔材料研究院 Emu oil and extraction and purification method, device and application thereof
CN116463169B (en) * 2023-06-19 2023-09-19 广东粤港澳大湾区黄埔材料研究院 Emu oil and extraction and purification method, device and application thereof

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