Patent ID: 8944072
Filing Date: 2015-02-03
Classification: A24B,A24C,A24D

Abstract:
1. A method of preparing a tobacco material for use in a smoking article, comprising: (i) mixing a tobacco material, water, a buffering agent that buffers within a pH range of about 6 to about 10 and an additive capable of inhibiting reaction of asparagine to form acrylamide upon heating or burning of the tobacco material, thereby forming a moist tobacco mixture, wherein the additive is asparaginase; (ii) heating the moist tobacco mixture to form a heat-treated tobacco mixture, wherein the pH of the moist tobacco mixture during the heating step is less than about 10; and (iii) incorporating the heat-treated tobacco mixture into a smoking article as a smokable material, wherein the smoking article is in the form of a cigarette comprising a rod of smokable material circumscribed by a wrapping material and a filter attached to the rod at one end thereof, wherein the smokable material comprises the heat-treated tobacco mixture.