Studies on the prevention of excessive drying leaves during burley tobacco curing, 1; effect of temperatuare and relative humidity on the production of excessive drying leaves
1986
Bae, S.K. | Lim, H.G. | Choo, H.K. (Korea Ginseng and Tobacco Research Inst., Chonju (Korea R.))
This study was conducted to investigate the influence of air temperature and relative humidity on excessive drying rate of burley tobacco. In experiment 1, 4 temperatures and 1 humidity by day and air curing by night were treated from initial curing stage. In experiment 2, 15 combinations of 3 temperatures and 5 humidities were applied from the yellow stage of cure. Yellowish cured leaves resulted from overdrying at high temperature and especially, at low humidity. However, these were not produced at 75-80 % RH and under 35 deg C by day with air curing by night. The proper range of temperature and humidity for desirable color of cured leaf were the combinations of 30 deg C, 75-80 % RH or 35 deg C, 80-85 % RH. As excessive drying leaves increased, physical properties of cured leaves were proper and chemical contents were less decomposed
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