Abstract:
In order to explore the causes of oil printing in flue-cured tobacco leaves and their influence on tobacco leaf quality, the influences of various moisture content, different baling height, different stacking height and different stacking time on oil printing were studied during leaf storage. The grade C3F flue-cured tobacco leaves from the cultivar Cuibi 1 were used in the study. The results showed that the oil printing of tobacco leaves can be mainly attributed to high moisture content of tobacco leaves and the height of the bale. When the moisture content of tobacco leaves was higher than 17%, the proportion of mild, moderate and severe oil printing increased significantly, especially light oil printing, which was as high as 31.67%. The smaller the bale height, the higher the proportion of oil printing, while there was no significant difference between 30 cm and 35 cm. As the degree of oil printing increased, the quality of tobacco leaves decreased significantly. In conclusion, the moisture content of tobacco leaves in storage should be less than 17%, and the height of the package should be 30-35 cm.
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