Table 3. Compounds identified in phenolic fraction isolated from essential oil of fresh ginseng root

Peak no.	RT1) (min)	Compound2)	m/z	RI3)	Peak area (%)4)
1	20.83	Acetic acid	60	1,451	0.90
2	23.42	Benzaldehyde	106	1,508	0.11
3	24.35	Propionic acid	74	1,532	6.35
4	28.29	Butyric acid	88	1,635	0.54
5	29.37	Salicylaldehyde	122	1,670	2.04
6	34.50	p-Hydroxyacetophenone	136	1,785	0.17
7	35.89	Hexanoic acid	116	1,823	1.23
8	36.99	Guaiacol	124	1,854	1.74
9	39.01	o-Methoxyacetophenone	150	1,909	0.60
10	40.66	Heptanoic acid	130	1,956	5.12
11	41.88	2,3-Dimethyl-5-(1’,3-butadien-1’-yl)furan	148	1,990	1.89
12	42.23	Phenol	94	1,999	3.03
13	44.29	Octanoic acid	144	2,062	11.57
14	46.33	Nonanoic acid	158	2,126	9.16
15	47.47	Eugenol	164	2,161	4.08
16	48.35	4-Vinylguaiacol	150	2,187	1.28
17	51.67	Decanoic acid	172	2,296	6.16
18	55.48	Benzoic acid	122	2,423	25.40
19	59.10	Vanillin	152	2,453	1.44
Total					82.81

RT, retention time.
Searching of NIST mass spectral library and NIST Chemistry Webbook.
Retention indices on polar Supelcowax 10 capillary column.
Peak area (%) in total essential oil of fresh ginseng root.