Volatile Organic Compounds of Anchote Tuber and Leaf Extracted Using Simultaneous Steam Distillation and Solvent Extraction

Table 3

Volatile flavor compounds identified in anchote tuber.

No.	Compound name	MF^a	223090			220563			230566
			Area%	mg/kg	RI^b	Area%	mg/kg	RI^b	Area%	mg/kg	RI^b
1	2-Pentanol	C5H12O	0.20	8.09	701	0.19	1.98	701	—	—	—
2	Heptane	C7 H16	—	—	—	—	—	—	0.14	0.76	699
3	Acetoin	C4H8O2	0.12	4.62	710	0.12	1.26	710	0.11	0.61	709
4	Pyrrole	C4H5N	—	—	—	—	—	—	0.05	0.26	750
5	1,1-Diethoxyethane	C6H14O2	0.13	5.15	727	0.25	2.53	727	0.34	1.86	727
	1,1-Diethoxyethane	C6H14O2	0.06	2.23	737	0.05	0.54	737	—	—	—
	1,1-Diethoxyethane	C6H14O2	0.06	2.35	916	—	—	—	—	—	—
6	Hexanal	C6H12O	—	—	—	—	—	—	0.12	0.67	801
7	Ethyl acetate	C4H8O2	81.77	3224.81	822	80.47	823.19	822	79.16	433.32	822
	Ethyl acetate	C4H8O2	0.08	3.10	976	0.22	2.30	899	0.14	0.79	899
	Ethyl acetate	C4H8O2	0.27	10.81	994	—	—	—	—	—	—
8	Unknown	C9H20O4	—	—	—	0.05	0.48	904	—	—	—
9	2-Pentyl furan	C9H14O	—	—	—	—	—	—	0.10	0.56	991
10	Benzaldehyde	C7H6O	—	—	—	—	—	—	0.10	0.54	965
11	n-Propyl acetate	C5H10O2	—	—	—	0.07	0.68	976	—	—	—
12	2,3,5-Trimethyl pyrazine	C7H10N2	—	—	—	—	—	—	0.06	0.30	1001
13	Tetramethyl pyrazine	C8H12N2	—	—	—	—	—	—	0.38	2.11	1084
IS^c	Butylbenzene	C10H14	0.84	33.33	1059	3.25	33.33	1059	6.08	33.33	1059
14	Butyrophenone	C10H12 O	—	—	—	—	—	—	0.08	0.45	1255
15	Dibutyl phthalate	C16H22O4	—	—	—	0.05	0.55	1950	—	—	—

^aMolecular formula, ^bretention index, and ^cinternal standard.