为了提高烤烟上部叶的的可用性,在福建中烟“七匹狼”广顺基地单元进行打叶留花对烟叶质量研究。结果表明,打叶留花的上部叶的颜色、油分、色泽和柔软性有明显改善;总糖和还原糖含量分别提高12.51%和14.82%,烟碱降低了26.75%,其他常规化学成分变化较小;酸性香气成分总量增加51.45%,13种酸性香气成分中有9种增加;中性香气成分总量增加2.40%,22种中性香气成分中有12种增加;评吸质量明显改善,与中部叶质量非常接近,具备中部叶质量特征。 In order to improve the availability of the upper leaves of flue-cured tobacco, leaf quality was studied on leaves of Fujian Tobacco “Septwolves ” Guangshun base unit. The results showed that the color, oil content, color and softness of the upper leaves of the leaves were improved significantly. The contents of total sugar and reducing sugar were increased by 12.51% and 14.82%, nicotine decreased by 26.75% The total amount of acidic aroma components increased by 51.45%, 9 of the 13 kinds of acidic aroma components increased; the total amount of neutral aroma components increased by 2.40%; the amount of 12 kinds of neutral aroma components increased by 12%; the quality of smoking was significantly improved, Very close to the leaf mass in the middle with leaf quality characteristics in the middle.