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Table 2 Discriminating compounds, of known flavour and low odour threshold, in Apo and IR64 grown in irrigated and drought treatments

From: Delving deeper into technological innovations to understand differences in rice quality

First axis Second axis Third axis
Compound Loading Compound Loading Compound Loading
Limonene −0.391 Methylbenzoate −0.406 1,2,3,4-Tetramethyl benzene 0.434
n-Propylbenzene −0.372 Camphene −0.401 Tridecane 0.425
1-Ethyl-3-methylbenzene −0.358 Benzonitrile −0.379 Phenethylacetate 0.366
Indole 0.338 Tetradecane 0.368 Benzophenone −0.361
2-Heptanone −0.297 Phenol −0.334 3-Methylbenzaldehyde 0.262
2-Heptenal −0.249 Isopropyldodecanoate −0.227 Pentadecanoic acid 0.243
Hexanal −0.233 Decanal −0.200 Isomethyl ionone 0.225
1-Hepten-3-ol −0.231 Benzaldehyde −0.199 Caryophyllene −0.200
2-Pentylfuran −0.216 Octanal −0.194 Naphthalene 0.199
Methylstyrene −0.201 Heptanal −0.193 o-Cymene 0.194
Ethyl octanoate −0.175 1-Propene-1-thiol 0.167 Benzaldehyde −0.161
2-Propylfuran −0.173 Acetophenone −0.102 1-Hexanol 0.139
α-Phellandrene −0.168 4-Hydroxy-4-methyl-2-pentanone −0.096 α-Farnesene 0.122
o-Cymene −0.118 2-Pentylfuran 0.093 2-Methylheptane 0.073
β-Ocimene −0.107 2-Methylheptane 0.091 2-Ethylhexanal −0.045
2-Octenal −0.071 Carvone −0.087 p-Xylene −0.041
2-Butylfuran −0.027 Hexanal 0.065 4-Hydroxy-4-methyl-2-pentanone 0.036
1,3-Dimethylbenzene −0.014 2,4-Hexadien-1-ol −0.042 Undecane 0.028
Undecane −0.009 Pentadecanoic acid −0.009 Phenol 0.019
α-Pinene −0.001 Indole 0.007 α-Phellandrene 0.006
  1. These compounds have been extracted from each of the three axes of a sparse Partial Least Squares-Discriminant Analysis.