R.j. Reynolds Tobacco Company

William M Hildebolt

Jackie L White

Gary R Shelar

Michael D Shannon

Edward Bernasek

Richard L Blakley

The flavor substances of the present invention are prepared by toasting (heating) natural tobacco in an inert atmosphere at a temperature of at least about 225.degree. C., fractionating the volatiles and collecting at least a portion of the fractionated materials as the flavor substances. This fractionating and/or collecting can be conducted by condensation, liquid-liquid extraction, sorption (adsorption and/or absorption) and the like, with either a solid or liquid sorbent medium. Either the sorbent medium containing the trapped volatiles or the volatiles themselves may be used as the flavor substances of the present invention.

Flavor substances for smoking articles

The flavor substances of the present invention are prepared by toasting (heating) natural tobacco in an inert atmosphere at a temperature of at least about 225.degree. C., condensing at least a portion of the volatiles driven-off during the toasting, and collecting the a portion of the uncondensed volatiles by sorption (adsorption and/or absorption) on a solid or liquid sorbent medium. Either the sorbent medium containing the trapped volatiles or the volatiles themselves may be used as the flavor substances of the present invention.

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Winston-Salem, NC, United States of America

William M Hildebolt