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Table 1 Compounds identified in the hexane extract of Curcuma longa L. 35–1 rhizomes by GC-MS

From: In vitro mineral nutrition of Curcuma longa L. affects production of volatile compounds in rhizomes after transfer to the greenhouse

  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
  1. 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)