Solvent extraction process
First Claim
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1. A process of treating tobacco to remove lipid therefrom comprising the step of contacting said tobacco with an azeotrope of a hydrocarbon fat solvent and a lower alkanol.
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Abstract
Processes for the selective removal of lipid constituents from elements of the tobacco plant comprising treating said elements in a solvolysis system consisting essentially of a mixture constituted by a major proportion of a hydrocarbon fat solvent and a minor proportion of a lower alkanol, whereby residual lipid level as determined by Soxhlet extraction is substantially reduced; and smoking compositions incorporating the processed tobacco material.
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Citations
9 Claims
- 1. A process of treating tobacco to remove lipid therefrom comprising the step of contacting said tobacco with an azeotrope of a hydrocarbon fat solvent and a lower alkanol.
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8. A process for the selective removal of lipid constituents from elements of the tobacco plant comprising treating said elements in a solvent system consisting essentially of an azeotrope mixture constituted by a major proportion of a hydrocarbon fat solvent and a minor proportion of a lower alkanol, whereby residual lipid level as determined by Soxhlet extraction is substantially reduced.
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9. A process of treating tobacco to remove lipid therefrom comprising the step of contacting said tobacco with a solvent system comprised of an azeotrope of a hydrocarbon fat solvent and a lower alkanol, said azeotrope being in the vapor phase.
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