Abstract
A new “Ethanol Adsorption Treatment” (EAT) for a filter has been presented to depress the migration of volatile flavor and water in a box of a tobacco product during storage and marketing. The EAT is performed by applying the binary vapor of water and ethanol to the filter tip before connecting it with a tobacco column. During the EAT, ethanol was adsorbed physically on the filter as an additive agent, and thus the water content within the filter tip was controlled to a desirable level at which the water does not migrate. Then during storage, the presence of ethanol vapor depressed the flavor migration mainly by decreasing the amounts of flavors adsorbed on the activated carbon within the filter tip. The EAT was confirmed to be effective for decreasing both the water and flavor migration simultaneously.
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