CN110404292A - A kind of extracting method of leaf tobacco extract - Google Patents
A kind of extracting method of leaf tobacco extract Download PDFInfo
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- CN110404292A CN110404292A CN201910581030.9A CN201910581030A CN110404292A CN 110404292 A CN110404292 A CN 110404292A CN 201910581030 A CN201910581030 A CN 201910581030A CN 110404292 A CN110404292 A CN 110404292A
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- China
- Prior art keywords
- extracting solution
- leaf
- mixed material
- temperature
- offal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
-
- 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
- C11B9/022—Refining
-
- 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
Abstract
The present invention is suitable for tobacco leaf extractive technique field, provides a kind of extracting method of leaf tobacco extract, and this method includes collecting tobacco leaf to obtain offal by tobacco leaf after screening, classification, baking and crushing；Offal and No. 6 solvent extraction gasoline are added to and extracted in kettle, the first mixed material is obtained；Heating extraction kettle after so that the first mixed material is warming up to 40-45 DEG C, keeps the temperature 2-3h, obtains the first extracting solution；No. 6 solvent extraction gasoline for being 1:2 with offal volumetric ratio are added into remaining first extracting solution, obtain the second mixed material for the first extracting solution for taking out half volume；Heating extraction kettle after so that the second mixed material is warming up to 40-45 DEG C, keeps the temperature 1-2h, obtains the second extracting solution；The first extracting solution and the second extracting solution for collecting the half volume, obtain leaf tobacco extract after filtering and concentration.The present invention has recovery rate height, the fast advantage of extraction rate.
Description
Technical field
The invention belongs to tobacco leaf extractive technique field more particularly to a kind of extracting methods of leaf tobacco extract.
Background technique
Tobacco leaf is the primary raw material of tobacco industry, also known as tobacco.Chemical component contained by tobacco leaf include carbohydrate, starch,
The carbohydrate such as cellulose, the nitrogenous compounds such as vegetable soda, amino acid, protein, volatility and non-volatile organic acids etc.
Account for containing organic matter in the overwhelming majority.In addition, also different containing hydro carbons, alcohols, esters, phenols, ethers, carbonyls and class
The terpene substances such as pentadiene.Inorganic elements mainly have potassium, sodium, calcium, magnesium, chlorine, sulphur, phosphorus and micro zinc, copper, iron, manganese, molybdenum,
Boron etc..
Containing Salanesol and tobacco leaf essential oil in tobacco leaf after overbaking, Salanesol is a kind of important medicine intermediate,
The irreplaceable ingredient of ubiquinone class pharmaceutical intermediate, be synthesize vitamin K side chain and Co-Q10 and synthesis anti-ulcer agent
The irreplaceable natural material of object, anticancer drug.
In the prior art, perfect not enough at present for the extractive technique of such as Salanesol of the extract in tobacco leaf, recovery rate
It is low with extraction rate.
Summary of the invention
The embodiment of the present invention provides a kind of extracting method of leaf tobacco extract, it is intended to solve existing leaf tobacco extract recovery rate
The problem low with extraction rate.
The embodiments of the present invention are implemented as follows, a kind of extracting method of leaf tobacco extract, comprising:
It collects tobacco leaf and obtains offal by tobacco leaf after screening, classification, baking and crushing；
Offal and No. 6 solvent extraction gasoline are added to and extracted in kettle, the first mixed material, offal and No. 6 solvents are obtained
The volumetric ratio for extracting gasoline is 1:4, and the boiling range of No. 6 solvent extraction gasoline is 61-71 DEG C；
Heating extraction kettle after so that the first mixed material is warming up to 40-45 DEG C, keeps the temperature 2-3h, obtains the first extracting solution；
The first extracting solution for taking out half volume, being added into remaining first extracting solution with offal volumetric ratio is 1:2
No. 6 solvent extraction gasoline, obtain the second mixed material；
Heating extraction kettle after so that the second mixed material is warming up to 40-45 DEG C, keeps the temperature 1-2h, obtains the second extracting solution；
The first extracting solution and the second extracting solution for collecting the half volume, obtain tobacco leaf after filtering and concentration and mention
Take object.
Further, the heating extraction kettle after so that the first mixed material is warming up to 45 DEG C, keeps the temperature 2.5h.
Further, the heating extraction kettle after so that the second mixed material is warming up to 45 DEG C, keeps the temperature 1.5h.
Further, the first extracting solution of the half volume is first extracting solution of lower layer.
Further, the filtering includes: that the first extracting solution and second that will collect the half volume extract
Liquid obtains initial filtrate by 120 mesh screens；Initial filtrate is obtained into filtrate by 200 mesh screens.
Further, the concentration is that vacuum and low temperature is concentrated.
Further, the pressure of the vacuum and low temperature concentration is 0.085-0.09Mpa, and temperature is 40-60 DEG C.
The extracting method of leaf tobacco extract provided by the invention by screening, classification, baking and crushes the tobacco leaf of collection
Obtain offal, it is ensured that offal quality；Using the leaf tobacco extract in No. 6 solvent extraction gasoline in two times heating extraction offal, tool
There are recovery rate height, the fast advantage of extraction rate.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The embodiment of the present invention provides a kind of extracting method of leaf tobacco extract, comprising:
It collects tobacco leaf and obtains offal by tobacco leaf after screening, classification, baking and crushing.
The magazines such as the mildew part in the tobacco leaf of collection and the pipe tobacco containing offal are rejected, then according to the place of production of tobacco leaf
Classify with position, partially includes top, middle part and the bottom of tobacco leaf, because of the extraction in the tobacco leaf of different sources and different parts
The content of object is different, facilitates to classify to the quality of extract after classification.
The temperature of baking tobacco leaves need to be lower than 50 DEG C, avoid substance volatilization and tobacco leaf in tobacco leaf from going bad, baking process will
The water content of tobacco leaf is reduced to 8-15%.
It is 20-60 mesh that tobacco leaf after baking, which need to be crushed to granularity, convenient for coming into full contact with extracting solution, promotes recovery rate.
Offal and No. 6 solvent extraction gasoline are added to and extracted in kettle, the first mixed material, offal and No. 6 solvents are obtained
The volumetric ratio for extracting gasoline is 1:4, and the boiling range of No. 6 solvent extraction gasoline is 61-71 DEG C.
No. 6 solvent extraction gasoline are mainly used for natural perfume material, pigment, grease and other liposoluble substances in food industry
Leaching extraction process be mainly used in all-purpose adhesive, the solvent in rubber synthesis process, certain fire proofing woods in industrial products
Also there are certain applications in material.In the present invention, use No. 6 solvent extraction gasoline as the Extraction solvent of leaf tobacco extract, offal and 6
The volumetric ratio of number solvent extraction gasoline is 1:4, it is ensured that recovery rate, it is 61-71 DEG C of agent that No. 6 solvent extraction gasoline, which need to select boiling range,
Type.
Heating extraction kettle after so that the first mixed material is warming up to 40-45 DEG C, keeps the temperature 2-3h, obtains the first extracting solution.
The leaf tobacco extract in offal can be made to accelerate to be precipitated with 40-45 DEG C of the first mixed material of heating and be dissolved in solvent
In, in the embodiment of the present invention, the temperature of heating is preferably 45 DEG C, and soaking time is preferably 2.5h.
The first extracting solution for taking out half volume, being added into remaining first extracting solution with offal volumetric ratio is 1:2
No. 6 solvent extraction gasoline, obtain the second mixed material.
In the embodiment of the present invention, the first extracting solution of the half of taking-up is preferably the first extracting solution of lower layer, wherein
Leaf tobacco extract concentration it is high, adding solvent to initial volume after taking-up again and extract again helps to promote recovery rate,
Leaf tobacco extract is set to be fully extracted out.
Heating extraction kettle after so that the second mixed material is warming up to 40-45 DEG C, keeps the temperature 1-2h, obtains the second extracting solution.
In the embodiment of the present invention, heating extraction kettle, the temperature for making the second mixed material heat up is preferably 45 DEG C, soaking time
The principle and purpose that preferably 1.5h, principle and purpose heat up and keep the temperature with the first mixed material are identical.
The first extracting solution and the second extracting solution for collecting the half volume, obtain tobacco leaf after filtering and concentration and mention
Take object.
Collecting the extracting solution obtained after extracting twice can be obtained leaf tobacco extract by filtering and concentration, wherein filtering
It is to remove the offal residue contained in extracting solution, the mode filtered twice in succession can be used in filtering, uses 120 mesh for the first time
It is sieved through filter, it is preliminary to remove that partial size is biggish, offal of conglomeration, it uses 200 mesh screens second, removes offal, be free of
The extracting solution of impurity particle.
Vacuum and low temperature concentration can be used to extracting solution concentration, have concentration speed fast, the low feature of temperature can be avoided
Extract volatilization loss, it is preferable that the pressure of vacuum and low temperature concentration is 0.085-0.09Mpa, and temperature is 40-60 DEG C.
It is described further below with extracting method of the embodiment to leaf tobacco extract provided by the invention.
Embodiment one
A kind of extracting method of leaf tobacco extract provided in an embodiment of the present invention includes:
Tobacco leaf is collected, impurity and tobacco leaf inferior in tobacco leaf are rejected.
Tobacco leaf is classified according to the place of production.
The tobacco leaf of different sources is classified according to different parts, including tobacco leaf top, middle part and bottom.
Sorted tobacco leaf is baked to water content at 50 DEG C and is reduced to 10%.
It is 40 mesh that tobacco leaf after baking, which is crushed to granularity, obtains offal.
600 kilograms of offals and 2.4 tons of No. 6 solvent extraction gasoline are added to and are extracted in kettle, the first mixed material is obtained.
Heating extraction kettle after so that the first mixed material is warming up to 45 DEG C, keeps the temperature 2.5h, obtains the first extracting solution.
The first extracting solution for being located at the half volume of lower layer is taken out, is added 1.2 tons No. 6 into remaining first extracting solution
Solvent extraction gasoline obtains the second mixed material.
Heating extraction kettle after so that the second mixed material is warming up to 45 DEG C, keeps the temperature 1.5h, obtains the second extracting solution.
The first extracting solution and the second extracting solution of the half volume are collected, is successively filtered by 120 mesh and 200 mesh
Obtain filtrate.
By filtrate in 0.085Mpa, temperature is concentrated into paste under conditions of being 40 DEG C, obtains leaf tobacco extract.
Embodiment two
A kind of extracting method of leaf tobacco extract provided in an embodiment of the present invention includes:
Tobacco leaf is collected, impurity and tobacco leaf inferior in tobacco leaf are rejected.
Tobacco leaf is classified according to the place of production.
The tobacco leaf of different sources is classified according to different parts, including tobacco leaf top, middle part and bottom.
Sorted tobacco leaf is baked to water content at 50 DEG C and is reduced to 10%.
It is 40 mesh that tobacco leaf after baking, which is crushed to granularity, obtains offal.
600 kilograms of offals and 2.4 tons of No. 6 solvent extraction gasoline are added to and are extracted in kettle, the first mixed material is obtained.
Heating extraction kettle after so that the first mixed material is warming up to 40 DEG C, keeps the temperature 3h, obtains the first extracting solution.
The first extracting solution for being located at the half volume of lower layer is taken out, is added 1.2 tons No. 6 into remaining first extracting solution
Solvent extraction gasoline obtains the second mixed material.
Heating extraction kettle after so that the second mixed material is warming up to 40 DEG C, keeps the temperature 2h, obtains the second extracting solution.
The first extracting solution and the second extracting solution of the half volume are collected, is successively filtered by 120 mesh and 200 mesh
Obtain filtrate.
By filtrate in 0.09Mpa, temperature is concentrated into paste under conditions of being 60 DEG C, obtains leaf tobacco extract.
Embodiment three
A kind of extracting method of leaf tobacco extract provided in an embodiment of the present invention includes:
Tobacco leaf is collected, impurity and tobacco leaf inferior in tobacco leaf are rejected.
Tobacco leaf is classified according to the place of production.
The tobacco leaf of different sources is classified according to different parts, including tobacco leaf top, middle part and bottom.
Sorted tobacco leaf is baked to water content at 50 DEG C and is reduced to 10%.
It is 40 mesh that tobacco leaf after baking, which is crushed to granularity, obtains offal.
600 kilograms of offals and 2.4 tons of No. 6 solvent extraction gasoline are added to and are extracted in kettle, the first mixed material is obtained.
Heating extraction kettle after so that the first mixed material is warming up to 45 DEG C, keeps the temperature 3h, obtains the first extracting solution.
The first extracting solution for being located at the half volume of lower layer is taken out, is added 1.2 tons No. 6 into remaining first extracting solution
Solvent extraction gasoline obtains the second mixed material.
Heating extraction kettle after so that the second mixed material is warming up to 40 DEG C, keeps the temperature 2h, obtains the second extracting solution.
The first extracting solution and the second extracting solution of the half volume are collected, is successively filtered by 120 mesh and 200 mesh
Obtain filtrate.
By filtrate in 0.085Mpa, temperature is concentrated into paste under conditions of being 60 DEG C, obtains leaf tobacco extract.
Example IV
A kind of extracting method of leaf tobacco extract provided in an embodiment of the present invention includes:
Tobacco leaf is collected, impurity and tobacco leaf inferior in tobacco leaf are rejected.
Tobacco leaf is classified according to the place of production.
The tobacco leaf of different sources is classified according to different parts, including tobacco leaf top, middle part and bottom.
Sorted tobacco leaf is baked to water content at 50 DEG C and is reduced to 10%.
It is 40 mesh that tobacco leaf after baking, which is crushed to granularity, obtains offal.
600 kilograms of offals and 2.4 tons of No. 6 solvent extraction gasoline are added to and are extracted in kettle, the first mixed material is obtained.
Heating extraction kettle after so that the first mixed material is warming up to 40 DEG C, keeps the temperature 2h, obtains the first extracting solution.
The first extracting solution for being located at the half volume of lower layer is taken out, is added 1.2 tons No. 6 into remaining first extracting solution
Solvent extraction gasoline obtains the second mixed material.
Heating extraction kettle after so that the second mixed material is warming up to 45 DEG C, keeps the temperature 2h, obtains the second extracting solution.
The first extracting solution and the second extracting solution of the half volume are collected, is successively filtered by 120 mesh and 200 mesh
Obtain filtrate.
By filtrate in 0.09Mpa, temperature is concentrated into paste under conditions of being 40 DEG C, obtains leaf tobacco extract.
The extracting method of leaf tobacco extract provided by the invention by screening, classification, baking and crushes the tobacco leaf of collection
Obtain offal, it is ensured that offal quality；Using the leaf tobacco extract in No. 6 solvent extraction gasoline in two times heating extraction offal, tool
There are recovery rate height, the fast advantage of extraction rate.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of extracting method of leaf tobacco extract characterized by comprising
It collects tobacco leaf and obtains offal by tobacco leaf after screening, classification, baking and crushing；
Offal and No. 6 solvent extraction gasoline are added to and extracted in kettle, the first mixed material, offal and No. 6 solvent extractions are obtained
The volumetric ratio of gasoline is 1:4, and the boiling range of No. 6 solvent extraction gasoline is 61-71 DEG C；
Heating extraction kettle after so that the first mixed material is warming up to 40-45 DEG C, keeps the temperature 2-3h, obtains the first extracting solution；
No. 6 with offal volumetric ratio for 1:2 are added into remaining first extracting solution for the first extracting solution for taking out half volume
Solvent extraction gasoline obtains the second mixed material；
Heating extraction kettle after so that the second mixed material is warming up to 40-45 DEG C, keeps the temperature 1-2h, obtains the second extracting solution；
The first extracting solution and the second extracting solution for collecting the half volume obtain tobacco leaf extraction after filtering and concentration
Object.
2. the extracting method of leaf tobacco extract as described in claim 1, which is characterized in that the heating extraction kettle makes first
After mixed material is warming up to 45 DEG C, 2.5h is kept the temperature.
3. the extracting method of leaf tobacco extract as described in claim 1, which is characterized in that the heating extraction kettle makes second
After mixed material is warming up to 45 DEG C, 1.5h is kept the temperature.
4. the extracting method of leaf tobacco extract as described in claim 1, which is characterized in that the first of the half volume
Extracting solution is first extracting solution of lower layer.
5. the extracting method of leaf tobacco extract as described in claim 1, which is characterized in that the filtering includes: by collecting
The first extracting solution and the second extracting solution for stating half volume pass through 120 mesh screens and obtain initial filtrate；By initial filtrate
Filtrate is obtained by 200 mesh screens.
6. the extracting method of leaf tobacco extract as described in claim 1, which is characterized in that the concentration is that vacuum and low temperature is dense
Contracting.
7. the extracting method of leaf tobacco extract as claimed in claim 6, which is characterized in that the pressure of the vacuum and low temperature concentration
For 0.085-0.09Mpa, temperature is 40-60 DEG C.
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| CN201910581030.9A CN110404292A (en) | 2019-06-29 | 2019-06-29 | A kind of extracting method of leaf tobacco extract |
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| CN201910581030.9A CN110404292A (en) | 2019-06-29 | 2019-06-29 | A kind of extracting method of leaf tobacco extract |
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Citations (10)
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|---|---|---|---|---|
| JPS63190840A (en) * | 1987-02-04 | 1988-08-08 | Japan Tobacco Inc | Purification of solanesol |
| CN1056486A (en) * | 1991-06-08 | 1991-11-27 | 张德玉 | Prepare eggplant Buddhist nun alcohol with mould cigarette or tobacco waste |
| US5099862A (en) * | 1990-04-05 | 1992-03-31 | R. J. Reynolds Tobacco Company | Tobacco extraction process |
| CN1087076A (en) * | 1993-07-02 | 1994-05-25 | 张德玉 | Extract the processing method of eggplant Buddhist nun alcohol with mould cigarette or tobacco waste |
| US20160106144A1 (en) * | 2014-10-17 | 2016-04-21 | Securience, LLC | Tobacco Extract For Non-Combustible Smoking Devices |
| CN106235392A (en) * | 2016-09-09 | 2016-12-21 | 湖北中烟工业有限责任公司 | A kind of preparation method and applications of Polianthes tuberosa L. cigarette extract |
| CN106477832A (en) * | 2016-11-11 | 2017-03-08 | 武汉纺织大学 | The method that tobacco leaf production draining separation solid emission extracts Salanesol |
| CN108285405A (en) * | 2018-01-10 | 2018-07-17 | 上海烟草集团有限责任公司 | A method of the rapid extraction Salanesol from industrial tobacco material waste |
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-
2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63190840A (en) * | 1987-02-04 | 1988-08-08 | Japan Tobacco Inc | Purification of solanesol |
| US5099862A (en) * | 1990-04-05 | 1992-03-31 | R. J. Reynolds Tobacco Company | Tobacco extraction process |
| CN1056486A (en) * | 1991-06-08 | 1991-11-27 | 张德玉 | Prepare eggplant Buddhist nun alcohol with mould cigarette or tobacco waste |
| CN1087076A (en) * | 1993-07-02 | 1994-05-25 | 张德玉 | Extract the processing method of eggplant Buddhist nun alcohol with mould cigarette or tobacco waste |
| US20160106144A1 (en) * | 2014-10-17 | 2016-04-21 | Securience, LLC | Tobacco Extract For Non-Combustible Smoking Devices |
| CN106235392A (en) * | 2016-09-09 | 2016-12-21 | 湖北中烟工业有限责任公司 | A kind of preparation method and applications of Polianthes tuberosa L. cigarette extract |
| CN106477832A (en) * | 2016-11-11 | 2017-03-08 | 武汉纺织大学 | The method that tobacco leaf production draining separation solid emission extracts Salanesol |
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| CN108285405A (en) * | 2018-01-10 | 2018-07-17 | 上海烟草集团有限责任公司 | A method of the rapid extraction Salanesol from industrial tobacco material waste |
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