Method of extracting volatile compounds from tobacco material
AssigneeBritish American Tobacco (Investments) Limited
InventorsOscar Francisco Swenson Pontes, Eduardo José Faria Miranda, Luis Gustavo Teixeira dos Reis
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Abstract
There is provided a method of extracting one or more volatile compounds of interest from tobacco material, the method comprising the steps of: i) providing tobacco material; ii) subjecting the tobacco material to steam distillation; and iii) extracting one or more volatile compounds of interest from the tobacco material with a solvent; wherein distillation step (ii) and extraction step (iii) are carried out simultaneously and at a pH of no greater than 2, and wherein the period during which both the distillation step (ii) and the extraction step (iii) are carried out is from about 8 to about 20 hours.
Claims10
A method of extracting one or more volatile compounds of interest from tobacco material, the method comprising the steps of:
- i) providing tobacco material;
- ii) subjecting the tobacco material to steam distillation;
- and
- iii) extracting one or more volatile compounds of interest from the tobacco material with a solvent, wherein the solvent is a mixture of pentane and diethyl ether;
- wherein distillation step (ii) and extraction step (iii) are carried out simultaneously and at a pH of no greater than 2, and wherein the period during which both the distillation step (ii) and the extraction step (iii) are carried out is from about 8 to about 20 hours.
Dependencies are inferred from the claim text.