带茎采烤对上部烟叶品质及代谢物的影响.docxVIP

带茎采烤对上部烟叶品质及代谢物的影响

目录

1.内容综述................................................2

1.1研究背景.............................................2

1.2研究目的和意义.......................................3

1.3文献综述.............................................4

2.研究方法................................................5

2.1材料与方法...........................................6

2.1.1试验材料.........................................7

2.1.2试验设计.........................................8

2.1.3数据采集与分析方法...............................9

2.2评价指标............................................10

2.2.1烟叶外观品质指标................................11

2.2.2烟叶内在品质指标................................12

2.2.3代谢物分析......................................13

3.带茎采烤对上部烟叶品质的影响...........................14

3.1外观品质分析........................................15

3.1.1叶片颜色........................................16

3.1.2叶片厚度........................................17

3.1.3叶片柔韧性......................................18

3.2内在品质分析........................................19

3.2.1烟碱含量........................................20

3.2.2糖含量..........................................22

3.2.3挥发性物质含量..................................23

3.2.4水分含量........................................24

4.带茎采烤对上部烟叶代谢物的影响.........................25

4.1主要代谢物分析......................................26

4.1.1次生代谢物......................................27

4.1.2挥发性化合物....................................28

4.2代谢物含量变化趋势..................................29

4.2.1烟叶成熟期代谢物变化............................31

4.2.2不同处理间代谢物差异............................32

5.结果讨论...............................................33

5.1带茎采烤对烟叶品质的影响............................35

5.1.1与不带茎采烤烟叶的比较..........................35

5.1.2与传统采烤方法的比较............................36

5.2带茎采烤对烟叶代谢物的影响..........................38

5.2.1代谢途径分析....................................39

5.2.2代谢物调控机制探讨........