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ABSTRACT
Volatile flavors are playing an increasingly important role in the quality control of cigarettes to enhance their smoke taste and odor. The cigarettes which contain a filter tip having an activated carbon for reducing the irritant and physiological effects of the smoke are popular in the Japanese market. We found that the flavors migrate from the tobacco column to the filter tip, while spontaneously water moves backwards, depending on the adsorption equilibrium of cigarettes and its packaging.materials during storage. A new "Ethanol Adsorption Treatment" for a filter tip has been presented to decrease this undesirable flavor and water migrations. The treatment is performed by applying the binary vapor of water and ethanol to the filler tip before connecting ii with a tobacco column. Then during storage, the presence of ethanol vapor decreased the flavor migration mainly by decreasing the amounts of flavors adsorbed on the activated carbon within the filter lip. The treatment was confirmed to be effective for decreasing both flavor and water migrations simultaneously.
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