Patent number: 8991403
Abstract: A method of thermally processing a tobacco material is provided, the method including the steps of (i) mixing a tobacco material, water, and an additive selected from the group consisting of lysine, glycine, histidine, alanine, methionine, glutamic acid, aspartic acid, proline, phenylalanine, valine, arginine, di- and trivalent cations, asparaginase, saccharides, phenolic compounds, reducing agents, compounds having a free thiol group, oxidizing agents, oxidation catalysts, plant extracts, and combinations thereof, to form a moist tobacco mixture; (ii) heating the moist tobacco mixture at a temperature of at least about 60° C. to form a heat-treated tobacco mixture; and (iii) incorporating the heat-treated tobacco mixture into a tobacco product.
Type:
Grant
Filed:
September 9, 2011
Date of Patent:
March 31, 2015
Assignee:
R.J. Reynolds Tobacco Company
Inventors:
Gong Chen, Anthony Richard Gerardi, John-Paul Mua, Darrell Eugene Holton, Jr., Daniel Verdin Cantrell, Frank Kelley St. Charles, Cheryl Cooper Scott