Untargeted Metabolite Profiling of Specialty Rice Grains Using Gas Chromatography Mass Spectrometry

Table 1

List of volatile compounds identified in grains of Chakhao Amubi, Improved White Ponni, and Pusa Basmati 1 cultivars.

Group	Volatile aromatic compound	Reference
Compounds detected in the grains of all the three genotypes (Chakhao Amubi, Pusa Basmati 1, and Improved White Ponni)	Hexanal, o-Xylene, 2-pentylfuran, nonanal, undecane, 4,7-dimethyl-cedrene, and dodecane	[31–39]
Compounds detected in the grains of Pusa Basmati 1 alone	Nonane; 1-pentanol; octanoic acid; 2-methyl-, dimethyl trisulfide; benzaldehyde; 2-hydroxy-, acetic acid; octyl ester dodecane; isolongifolene-5-ol; pentadecane; pentanal, and 2 acetyle-1 pyrroline (2AP)	[31, 32, 34–41]
Compounds detected in the grains of Chakhao Amubi alone	Toluene; p-xylene; 1,2-Dimethylbenzene; mesitylene; decane; octanal; undecane; 2-pentynal; 2-hydroxy-benzaldehyde Ethyl acetate; and beta-elemene	[23, 31, 32, 34–39, 42, 43]
Compounds common to both Chakhao Amubi and Pusa Basmati	Benzaldehyde; (Z)-7-decenal; and tetradecane	[34, 35, 37–40, 42, 44]
Compounds identified in Chakhao Amubi and Improved White Ponni	2-Methylfuran; m-xylene; decanal; pentadecane	[31, 34, 36–40, 43, 45]
Compounds identified in Pusa Basmati and Improved White Ponni	Benzothiazole	[32, 37, 39, 46]