不同变黄时间对烟叶叶绿素及其主要化学成分含量的影响

以云烟87为试材，探讨了在烘烤过程中，不同变黄时间对烟叶叶绿素及其主要化学成分含量的影响。结果表明，延长变黄时间12 h 后，烟叶的总糖、还原糖、总氮、烟碱含量适宜，钾氯比值最高，化学成分最协调，工业可用性较好，综合经济效益最优。

Effects of Tobcco Yellowing Time on Its Chlorophyll and Other Main Chemical Components

U sing the Flue-cured tobacco Y unyan 97 as m aterials, explored the different yellow ing tim e baking tobacco leaf chlorophyll contentand m ain chem icalcom position in the processofchange.R esultsshow thatfor12 h to extend the tim e ofturning yellow w ith tobacco leaf total sugar, reducing sugar, total nitrogen and nicotine content is appropriate, the highest ratio of potassium chloride than, chem ical com position ofthe coordination, the treatm enthasgood availability and econom ic benefits.