青烟(即青黄烟)系指烤烟叶片经烘烤后含青度在20％以上的原烟.按其含青度及先泽明暗可分为“死青”和“活青”。“死青”是指叶片完全呈青绿色,而且色泽发暗,经初烤后堆积贮存,也难以变黄的烟叶。“活青”是指含青度低,叶片青中带黄和黄中带青,光泽较鲜明,初烤后在适宜的温湿度条件下,经过一段时间堆放,可以部分变黄的烟叶。 Green tobacco (green tobacco) refers to the original tobacco containing more than 20% of green tobacco after baking, according to its greenness and Xianze light and shade can be divided into “dead green” and “live green.” “Dead blue” refers to the leaves were completely turquoise, and dark color, after the initial storage after roasting, it is difficult to yellow tobacco. “Live green” refers to those with low green, green leaves with yellow and yellow with green, shine more clear, after the initial baking in the appropriate temperature and humidity conditions, after a period of time stacking, you can turn yellow tobacco leaves.