| |
Compound
|
Rt (min)
|
Molecular formula
|
Molecular weight
|
Control peak area%
|
Low-input peak area%
|
High-input peak area%
|
|---|
|
1
|
β-elemene
|
20.83
|
C15H24
|
204
|
0.85 ± 0.14
|
0.33 ± 0.04
|
1.96 ± 0.40
|
|
2
|
Germacrene D
|
23.57
|
C15H24
|
204
|
0.16 ± 0.06
|
0.07 ± 0.01
|
0.57 ± 0.16
|
|
3
|
Germacrene A
|
24.3
|
C15H24
|
204
|
0.14 ± 0.04
|
0.14 ± 0.2
|
0.36 ± 0.08
|
|
4
|
Germacrene B
|
25.81
|
C15H24
|
204
|
0.12 ± 0.01
|
0.10 ± 0.02
|
0.45 ± 0.13
|
|
5
|
β-elemenone
|
27.33
|
C15H22O
|
218
|
0.88 ± 0.04
|
1.04 ± 0.23
|
1.65 ± 0.14
|
|
6
|
Isocurcumenol
|
27.97
|
C15H22O2
|
234
|
3.24 ± 0.14
|
2.78 ± 0.33
|
3.21 ± 0.20
|
|
7
|
Germacrone
|
29.81
|
C15H22O
|
218
|
4.46 ± 1.51
|
6.14 ± 1.26
|
9.64 ± 0.72
|
|
8
|
Neocurdione
|
30.42
|
C15H24O2
|
236
|
1.48 ± 0.10
|
1.08 ± 0.28
|
1.42 ± 0.14
|
|
9
|
Curcumenone
|
30.85
|
C15H22O2
|
234
|
2.10 ± 0.22
|
3.37 ± 0.73
|
2.16 ± 0.40
|
|
10
|
Curcumenol isomer I
|
32.39
|
C15H22O2
|
234
|
28.68 ± 0.9
|
25.94 ± 2.8
|
29.56 ± 2.0
|
|
11
|
Curcumenol isomer II
|
33.75
|
C15H22O2
|
234
|
17.96 ± 0.7
|
22.56 ± 3.2
|
21.82 ± 2.9
|
|
12
|
Methenolone
|
40.14
|
C20H30O2
|
302
|
20.95 ± 0.5
|
19.36 ± 5.3
|
8.56 ± 2.75
|
|
Total
|
81.01 ± 1.4
|
82.93 ± 3.6
|
81.36 ± 3.6
|
- The volatile content in turmeric rhizomes of the control and the fertilizer treatments using GC-MS analysis. Percentages were measured based on peak area of each compound to total peak area of the GC chromatogram ± standard deviation (n = 3)
