Table 1.

The most affected metabolic pathways in drought stress and metabolites associated.

Pathway	m/z	Retention time (min)	Adduct	Error (ppm)	KEGG compound	Compound name	Molecular formula
Starch and sucrose metabolism	343.1232	1.6	M + H	0.000240566	C00185	Cellobiose	C12H22O11
	219.0263	1.0	M + K	0.000148933	C00095 or C00031	d-Fructose or d-glucose	C6H12O6
	505.1755	1.6	M + H	0.000743043	C00721	Dextrin	(C12H20O10)n
	210.0337	7.7	M − 2H[2−]	0.000264633	C16688	Sucrose 6-phosphate	C12H23O14P
	503.1619	1.6	M − H	0.000140291	C00721	Dextrin	(C12H20O10)n
Glyoxylate and dicarboxylate metabolism	175.0232	2.6	M + H	0.000531391	C00417	cis-Aconitic acid	C6H6O6
	135.0284	1.4	M + H	0.000341869	C00149	Malic acid	C4H6O5
	148.0606	0.9	M + H	0.000150252	C00025	l-Glutamic acid	C5H9NO4
	129.0179	2.6	M − H2O + H	0.000333869	C00026	Oxoglutaric acid	C5H6O5
	119.0333	1.0	M + H	0.000546247	C00042	Succinic acid	C4H6O4
Alanine, aspartate and glutamate metabolism	129.0179	2.6	M − NH3 + H	0.000418284	C00940	2-Oxoglutaramic acid	C5H7NO4
	117.0177	0.7	M + H	0.000538683	C00122	Fumaric acid	C4H4O4
	146.0809	1.0	M − HCOOK + H	0.000166122	C03090	5-Phosphoribosylamine	C5H12NO7P
	325.0928	7.5	M + Cl[−]	0.001288772	C03406	l-Arginosuccinic acid	C10H18N4O6
	128.0352	0.9	M + ACN − H	8.38E-05	C00022	Pyruvate	C3H4O3
Arginine and proline metabolism	146.1648	0.6	M + H	0.00030209	C00315	Spermidine	C7H19N3
	148.0606	0.9	M + H	0.000150252	C05938	l-4-Hydroxyglutamate semialdehyde	C5H9NO4
	102.0544	0.9	M − CO + H	0.000409762	C04281	l-1-Pyrroline-3-hydroxy-5-carboxylate	C5H7NO3
	146.0809	1.0	M + H	0.00022109	C02946	4-Acetamidobutanoate	C6H11NO3
	119.0333	1.0	M − CO2 + H	0.000575491	C05946	d-4-Hydroxy-2-oxoglutarate	C5H6O6
Glutathione metabolism	657.1498	8.3	M + HCOO	0.000240802	C00127	Glutathione disulfide	C20H32N6O12S2
	128.0352	0.9	M − H2O − H	5.26E − 05	C00025	l-Glutamic acid	C5H9NO4
Glycine, serine and threonine metabolism	146.0461	0.9	M + ACN-H	0.000182687	C00258	Glyceric acid	C3H6O4
	233.9926	0.9	M + Cl	0.000842469	C01102	O-Phospho-l-homoserine	C4H10NO6P