Tobacco seed-derived components and materials
A tobacco composition for use in a smoking article or a smokeless tobacco composition is provided, the composition including a component derived from a seed of the Nicotiana species. The component can be a seed of the Nicotiana species or a portion thereof in particulate form or in the form of seed isolate derived from a seed of the Nicotiana species. In certain embodiments, the seed isolate is in the form of a chemically transformed seed isolate, the chemical transformation being selected from hydrogenation, acid/base reaction, hydrolysis, thermal treatment, and enzymatic treatment. The invention also provides smoking articles and smokeless tobacco compositions that include the seed components described herein, and methods for preparing a component derived from a seed of the Nicotiana species for addition to a tobacco composition.
1. A tobacco composition for use in a smoking article or a smokeless tobacco composition, comprising a tobacco material and a seed isolate derived from a seed of the Nicotiana species.
2. The tobacco composition of claim 1 , wherein the seed isolate is a chemically transformed seed isolate.
3. The tobacco composition of claim 2 , wherein the chemically transformed seed isolate is a seed isolate subjected to a treatment selected from the group consisting of hydrogenation, acid/base reaction, hydrolysis, thermal treatment, enzymatic treatment, and combinations thereof.
4. The tobacco composition of claim 2 , wherein the chemically transformed seed isolate is a seed isolate subjected to a process selected from the group consisting of esterification, transesterification, isomeric conversion, acetal formation, acetal decomposition, and combinations thereof.
5. The tobacco composition of claim 2 , wherein the chemically transformed seed isolate comprises a hydrogenated lipid composition isolated from a seed of the Nicotiana species.
6. The tobacco composition of claim 2 , wherein the chemically transformed seed isolate is a seed isolate in the form of an extract from an enzymatically-treated seed material.
7. The tobacco composition of claim 1 , wherein the seed isolate is an enzymatically-treated seed isolate.
8. The tobacco composition of claim 1 , wherein the seed isolate comprises lipids expressed from a seed.
9. The tobacco composition, of claim 1 , wherein the seed isolate is in the form of an extract from a seed material.
10. The tobacco composition of claim 9 , wherein the extract is formed by solvent extraction using a polar solvent, a non-polar organic solvent, or a supercritical fluid.
11. The tobacco composition of claim 9 , wherein the seed isolate is an enzymatically-treated seed isolate.
12. The tobacco composition of claim 1 , wherein the seed isolate is formed using a separation process selected from the group consisting of solvent extraction, chromatography, distillation, filtration, cold pressing, recrystallization, solvent-solvent partitioning, and combinations thereof.
13. The tobacco composition of claim 1 , wherein the seed isolate is in the form of an insoluble residue of seed material remaining after solvent extraction of a seed material.
14. The tobacco composition of claim 1 , wherein the seed isolate is in the form of a seed residue remaining after pressing a seed material to remove lipids therefrom.
15. The tobacco composition of claim 1 , wherein the tobacco composition further comprises one or more capsules containing an internal payload and the seed isolate is contained within the internal payload.
16. The tobacco composition of claim 1 , wherein the seed isolate is applied to the tobacco material in the form of a casing formulation or a top dressing.
17. The tobacco composition of claim 1 , wherein the tobacco material is a reconstituted tobacco material.
18. The tobacco composition of claim 1 , wherein the amount of seed component in the tobacco composition is between about 5 ppm and about 5 weight percent based on the total dry weight of the tobacco material.
19. A smoking article comprising a tobacco composition according to claim 1 .
20. The tobacco composition of claim 1 , wherein the tobacco composition is in a form of a smokeless tobacco product selected from the group consisting of moist snuff, dry snuff, chewing tobacco, pelletized tobacco pieces, extruded tobacco pieces, ground powders, flake-like pieces, molded tobacco pieces, tobacco-containing gum, water-dissolvable or water-dispersible films or strips, and capsule-like materials possessing an outer shell and an inner region.
21. The tobacco composition of claim 20 , wherein the amount of seed isolate in the tobacco composition is between about 5 ppm and about 5 weight percent based on the total dry weight of the tobacco material.
22. A smokeless tobacco product comprising a tobacco composition according to claim 1 .
23. The tobacco composition of claim 1 , further comprising one or more additional components selected from the group consisting of flavorants, fillers, binders, pH adjusters, buffering agents, colorants, disintegration aids, antioxidants, humectants and preservatives.