FIELD: tobacco industry.
SUBSTANCE: method comprises filling cassettes with fresh tobacco leaves, charging cassettes into drying chamber, yellowing, fixation of leaf blade color, post-drying of midvein, and moistening. According to invention, immediately prior to be charged into cassettes, fresh tobacco leaves are exposed to pulse-mode laser rays with wavelength 0.87-0.89 μm for 5 min.
EFFECT: reduced overall tobacco treatment process due to shortened yellowing time.
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Authors
Dates
2006-08-10—Published
2005-01-11—Filed