A method of extracting nicotine from tobacco

Abstract

The invention provides a method for extracting nicotine from tobacco. The method comprises the following steps: mixing a tobacco raw material with carbonate or bicarbonate and an alkaline solution ina certain proportion at 70-90 DEG C and enabling reflux for 1-2 hours, carrying out filtering to obtain a filtrate, conducting extraction twice to three times by an organic solvent, separating an extracting solution from a raffinate, combining the extracting solution, concentrating an organic phase extract at 25-50 DEG C to obtain a yellow oily liquid, and thus obtaining nicotine in tobacco. According to the method for extracting nicotine from tobacco, the nicotine yield is 96.3%, the purity is 82.4%, the aroma of cigarettes is reserved while stimulation to the throat is reduced and the comfort is improved, the nicotine has the original aroma of tobaccos and provides good satisfaction, the requirement of consumers for smoking electronic cigarettes is further met, the sensory evaluation comprehensive index is excellent, and the economic value of the tobacco industry can be improved. The method has great popularization prospects.

Description

Technical field

[0001] The invention belongs to the technical field of electronic cigarettes, and specifically relates to a method for extracting nicotine from tobacco. Background technique

[0002] Nicotine, commonly known as nicotine, is an alkaloid found in plants of the Solanaceae family (genus Solanum) and is also an important component of tobacco. In recent years, as the sales of traditional tobacco products have stagnated or even declined in some developed countries, and many countries have increasingly banned smoking in public places, new tobacco products such as low-temperature cigarettes, smokeless tobacco products, and e-cigarettes are rapidly emerging. , Philip Morris International, British American Tobacco, Japan Tobacco and other multinational tobacco companies are also actively developing and promoting new tobacco products from a strategic perspective. An electronic cigarette looks similar to an ordinary cigarette. It is a device that vaporizes nicotine solut...

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