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Investigation of Relative Humidity and Storage Time of Blended Tobaccos on Total Blending Silo  

Yang Burm-Ho (KT&G Central Research Institute)
Chung Han-Ju (KT&G Central Research Institute)
Han Jung-Ho (KT&G Central Research Institute)
Kim Yong-Ok (KT&G Central Research Institute)
Rhee Moon-Soo (KT&G Central Research Institute)
Publication Information
Journal of the Korean Society of Tobacco Science / v.28, no.1, 2006 , pp. 31-35 More about this Journal
Abstract
In this study, the effects of the relative humidity and storage time of blended tobaccos at total blending silo on cut tobacco equilibrium moisture contents, leaf moisture contents and migration of casing materials of tobacco types were investigated. To maintain the cutting moisture content(21 $\pm$ 1 %), it is necessary to keep 75 % relative humidity at 28 $^{\circ}C$ at total blending silo. The moisture content of reconstituted tobacco sheet was changed from $13{\sim}14$ % to $19{\sim}21$ % within 2 h after preblending. The contents of glycerin and fructose of tobacco types followed by storage time after preblending were not changed significantly. From these results, it is suggested that 2 h storage time after preblending was sufficient to maintain physical properties of cut tobaccos and tobacco taste and fragrance.
Keywords
moisture; relative humidity; storage time; total blending silo;
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