Table 2.

Volatile compounds of cooked potato slices of different sizes identified by GC–MS.

Peak No	Compound name	Formula	RT	SDIC	SLIC	MDIC	MLIC	LDIC	LLIC
1	1-Pentanol	C5H12O	4.28	ND	3.16	ND	2.17	ND	ND
2	Hexanol	C6H14O	6.76	5.44	3.13	4.42	2.13	3.38	ND
3	Furan, 2-pentyl	C9H14O	11.79	7.26	ND	6.28	ND	5.27	ND
4	Octanal	C8H16O	12.18	10.12	3.28	9.11	2.31	8.91	1.26
5	1-Hexanol, 2-ethyl	C8H18O	12.92	7.72	9.57	6.71	8.58	5.72	7.58
6	Benzene	C6H6	13.94	1.07	0.94	0.83	0.25	0.14	0.32
7	Carveol	C10H16O	14.47	1.58	0.53	0.57	ND	0.46	0.84
8	Undecanol	C11H24O	15.56	3.96	ND	2.96	ND	1.98	ND
9	2,4-Dimethyl	C7H16	16.02	ND	ND	9.46	ND	6.53	ND
10	β-Pinene	C10H16	17.02	ND	ND	0.32	ND	ND	ND
11	Decanal	C10H20O	18.44	6.58	ND	0.73	ND	ND	ND
12	3-Phenolpropanol	C9H12O	19.97	0.95	ND	ND	ND	0.86	ND
13	Pentadecane	C15H32	20.27	ND	2.15	ND	1.16	ND	0.13
14	Hexadecane	C16H34	20.34	ND	1.73	ND	0.75	ND	0.65
15	Dodecane	C12H26	21.13	4.52	2.13	3.48	1.17	2.46	ND
16	Cyclohexane	C6H12	21.23	1.31	ND	0.78	ND	0.58	ND
17	Butylated	C15H24O	23.26	5.57	14.86	4.56	13.89	3.53	12.83
18	6-Methyl-5-hepten	C8H14O	25.91	2.79	1.94	1.14	0.58	0.84	0.46
19	Dichloromethane	C2Cl2	26.28	4.08	ND	ND	ND	ND	ND
20	Methyl allyl disulfide	C4H8S2	29.24	4.94	ND	ND	ND	ND	ND

Note: RT = Retention time; ND = not detected. (SDIC) small-size distilled water immersed cooked; (SLIC) small-size lemon juice immersed cooked; (MDIC) medium-size distilled water immersed cooked; (MLIC) medium-size lemon juice immersed cooked; (LDIC) large-size distilled water immersed cooked; (LLIC) large-size lemon juice immersed cooked.