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Method for lowering content of chloridion in tobacco stems and extracting nicotine simultaneously and application of method in preparation of reconstituted tobacco

A technology for reconstituted tobacco leaves and chloride ions, applied in the application, preparation of tobacco, tobacco, etc., can solve the problems of loss of active ingredients, increase of sewage treatment load, etc., achieve the effect of reducing content, reducing emissions, and improving utilization value

Inactive Publication Date: 2013-04-24
YUNNAN REASCEND TOBACCO TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the first-stage extract contains a large amount of nicotine, which will increase the load of sewage treatment and lead to the loss of active ingredients, which is not conducive to improving the quality of the product.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Take 100 grams of tobacco stems with a chloride ion content of 2.61% and add them to a 2000 mL round bottom flask, add 5 times of 40% ethanol aqueous solution, stir and extract at 50°C for 20 minutes, then filter, and separate to obtain an extraction 365 grams of liquid and 235 grams of primary solids;

[0026] (2) Concentrate the primary extract to obtain a primary extract, adjust the pH of the primary extract to 10 with 5% aqueous sodium hydroxide solution, then extract with solvent dichloromethane to obtain crude nicotine, add malic acid to adjust the pH to 3 ~5% organic acid aqueous solution is back-extracted and concentrated to obtain 1.15 grams of organic acid nicotine;

[0027] (3) The primary solid part was dried to obtain 74.6 grams of absolute dry matter, and the chloride ion content in the absolute dry matter was detected to be 1.03%. After one extraction treatment, the chloride ion in tobacco stems decreased by 60.5%;

[0028] (4) Extract the dry produ...

Embodiment 2

[0031] (1) Take 100 grams of tobacco stems with a chloride ion content of 2.61% and add them to a 2000 mL round bottom flask, add 3 times of 60% ethanol aqueous solution, stir and extract at 60°C for 15 minutes, then filter, and separate to obtain an extraction 374 grams of liquid and 226 grams of primary solid part;

[0032] (2) Concentrate the primary extract to obtain a primary extract, adjust the pH of the primary extract to 8 with 5% aqueous sodium hydroxide solution, then extract with solvent dichloromethane to obtain crude nicotine, add malic acid to adjust the pH to 3 ~4 organic acid aqueous solution was back-extracted and concentrated to obtain 1.32 grams of organic acid nicotine;

[0033] (3) The primary solid part was dried to obtain 76.1 grams of absolute dry matter, and the chloride ion content in the absolute dry matter was detected to be 1.10%. After one extraction treatment, the chloride ion in tobacco stems decreased by 57.8%;

[0034] (4) Extract the absolu...

Embodiment 3

[0037] (1) Take 100 grams of tobacco stems with a chloride ion content of 2.61% and add them to a 2000 mL round bottom flask, add 2 times of 80% ethanol aqueous solution, stir and extract at 30°C for 10 minutes, then filter, and separate to obtain an extraction Liquid 437 g and a solid part;

[0038] (2) Concentrate 200 grams of primary extract to obtain 22.3 grams of primary extract, measure its water content to 64%, detect the chloride ion content of the extract as 7.17% on an absolute dry basis, and remove 1.26 grams of chloride ions in total; Use 5% sodium hydroxide aqueous solution to adjust the pH value to about 9, then extract with solvent dichloromethane to obtain crude nicotine, add malic acid to adjust the pH to 4-5 organic acid aqueous solution for back extraction, and concentrate to obtain organic acid nicotine 2.27 grams of alkali;

[0039](3) Extract the primary solid part obtained in step (1) with 7 times of water at 60 °C for 30 minutes, and separate to obtain...

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PUM

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Abstract

Disclosed are a method for lowering the content of chloridion in tobacco stems and extracting nicotine simultaneously and the application of the method in preparation of reconstituted tobacco. The method includes: adding the tobacco stems into an extracting tank, adding 2-5 times of ethanol of 40%-80% according to a weight ratio, stirring and extracting for 10-20 minutes under the condition of 30-60 DEG C prior to filtering, and separating to obtain primary extracting solution and a primary solid portion; concentrating the primary extracting solution to obtain primary extractum, adjusting the pH value of the primary extractum to be 8-10, extracting with solvent dichloromethane to obtain coarse nicotine, and adding organic acid to adjust the pH value to be 3-5 to obtain organic acid nicotine; extracting the primary solid portion with water of 50-70 DEG C for 15-30 minutes prior to filtering, and separating to obtain secondary extracting solution and a secondary solid portion with the content of chloridion lowered, namely low chloridion tobacco stems; concentrating the secondary extracting solution to obtain secondary extractum; and subjecting the secondary solid portion to the paper-making process reconstituted tobacco production process to obtain a base. By the method, the content of chloridion in the expansion cut stems can be effectively lowered while nicotine generated during the process of lowering of the content of chloridion can be effectively extracted and recovered, and the obtained low-chloridion tobacco stems and nicotine can be used in reconstituted tobacco production to obtain reconstituted tobacco low in chloridion content.

Description

technical field [0001] The invention belongs to the technical field of tobacco preparation, and specifically relates to a method for extracting and removing chloride ions in tobacco stems by using ethanol solution as a solvent, and simultaneously extracting and enriching nicotine in the extract. The invention also relates to the application of low-chloride ion tobacco stems and nicotine in the preparation of reconstituted tobacco leaves. Background technique [0002] Tobacco stems are generally used as raw materials in reconstituted tobacco leaves and expanded cut stems. With the increase in the amount of reconstituted tobacco leaves and expanded cut stems in cigarette formulations, the industry's requirements for the limitation of chloride ion content in formulations are getting higher and higher. However, the content of chloride ions in the tobacco stems in the current raw material formula is too high, generally not less than 2.5%, which will bring many problems. First, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24B3/14A24B15/28
Inventor 张文军唐自文刘维涓卫青芦毅陈雪娇
Owner YUNNAN REASCEND TOBACCO TECH GRP
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