Table 2.

Qualitative information from HS-GC-IMS analysis of VOCs from tested B. velezensis L1.

Count	Compound	CAS#	Formula	MW	RI	Rt [sec]	Dt [RIPrel]
1	2-butanone monomer	C78933	C4H8O	72.1	608.5	139.894	1.0597
2	2-butanone dimer	C78933	C4H8O	72.1	601.6	136.916	1.24743
3	2,3-butanedione	C431038	C4H6O2	86.1	599	135.826	1.17873
4	1-Hydroxy-2-propanone	C116096	C3H6O2	74.1	638.4	152.575	1.22642
5	2-pentanone monomer	C107879	C5H10O	86.1	696	180.037	1.12034
6	2-pentanone dimer	C107879	C5H10O	86.1	697.7	181.4	1.37338
7	Acetoin monomer	C513860	C4H8O2	88.1	723.1	202.308	1.05484
8	Acetoin dimer	C513860	C4H8O2	88.1	720.3	200.04	1.32941
9	2-heptanone monomer	C110430	C7H14O	114.2	896.6	378.474	1.26411
10	2-heptanone dimer	C110430	C7H14O	114.2	895.7	376.962	1.62921
11	Cyclohexanone monomer	C108941	C6H10O	98.1	903	389.726	1.15422
12	Cyclohexanone dimer	C108941	C6H10O	98.1	902.6	389.001	1.45337
13	methyl 2-methylbutanoate	C868575	C6H12O2	116.2	775.6	245.523	1.18758
14	2-Pentylfuran	C3777693	C9H14O	138.2	1002.5	564.479	1.25597
15	2-methylpropyl butanoate	C539902	C8H16O2	144.2	960.2	489.067	1.32923

Dt, drift time; MW, molecular mass; RI, retention index; Rt, retention time; VOC, volatile organic compound.