Table 3. Comparison of essential oil composition in different parts of S. chinensis berry

Peak No.	RT¹⁾(min)	RI²⁾	Components	Content (μg/g)
Peak No.	RT¹⁾(min)	RI²⁾	Components	Whole	Pulp	Seed
Monoterpene hydrocarbons (23)
1	12.101	918	Tricyclene	5.71	-³⁾	25.22
2	12.339	924	α-Thujene	5.78	-	52.74
3	12.737	930	α-Pinene	60.79	2.37	275.25
4	13.684	944	Camphene	82.85	2.31	363.31
5	15.064	970	Sabinene	5.91	-	5.44
6	15.312	972	β-Pinene	14.63	-	71.62
7	16.176	994	β-Myrcene	51.13	3.46	94.91
8	17.143	1,005	α-Phellandrene	12.55	-	17.75
9	17.260	1,008	δ-3-Carene	6.03	-	27.90
10	17.833	1,014	α-Terpinene	26.40	3.37	105.06
11	18.415	1,025	p-Cymene	64.53	4.68	338.46
12	18.642	1,028	Limonene	39.80	-	164.43
13	18.915	1,029	1,8-Cineole	7.97	-	-
15	19.879	1,049	trans-β-Ocimene	13.24	-	-
16	20.628	1,058	γ-Terpinene	129.10	9.74	587.72
17	22.364	1,087	Terpinolene	14.60	-	43.14
18	28.536	1,166	Borneol	5.12	-	-
19	29.048	1,178	4-Terpineol	39.94	7.07	-
20	30.229	1,193	α-Terpineol	13.00	-	-
21	32.235	1,239	Thymyl ethyl ether	23.94	-	82.07
22	35.842	1,289	Bornyl acetate	134.25	13.67	470.16
23	39.915	1,337	4-Terpinyl acetate	9.77	2.67	28.45
24	40.287	1,353	α-Terpinyl acetate	22.93	15.35	28.45
Sesquiterpene hydrocarbons (39)
25	41.376	1,380	α-Ylangene	1,804.76	195.08	6,687.76
26	41.479	1,376	α-Copaene	18.05	14.66	25.70
27	41.867	1,386	Isolongifolene	36.19	28.02	12.26
28	42.291	1,392	β-Elemene	82.17	40.69	63.47
29	42.988	1,397	β-Longipinene	3.87	-	8.98
30	43.314	1,403	Longifolene	3.45	-	-
31	43.953	1,416	β-Caryophyllene	143.86	52.07	219.08
32	44.297	1,418	α-Gujurnene	4.61	-	-
34	44.876	1,435	α-Bergamotene	13.54	-	55.55
35	45.767	1,443	Aromandendrene	26.16	-	32.37
36	46.124	1,448	α-Humulene	15.95	12.46	96.18
37	46.316	1,457	trans-β-Farnesene	85.09	41.60	39.22
40	47.759	1,463	Alloaromadendrene	352.58	106.20	708.96
41	48.210	1,481	γ-Gurjunene	97.67	121.33	98.25
42	48.551	1,499	β-Himachalene	295.97	308.89	1,459.80
43	48.741	1,507	trans,trans-α-Farnesene	288.33	21.15	-
44	49.254	1,505	Cuparene	533.79	77.46	2,098.72
45	49.536	1,510	β-Bisabolene	267.01	64.38	829.10
47	50.044	1,514	γ-Cadinene	62.35	72.21	133.91
48	50.275	1,516	Cubenol	51.66	12.68	182.52
49	50.557	1,526	δ-Cadinene	100.88	12.90	459.63
50	50.900	1,534	Cadina-1,4-diene	57.03	7.48	182.52
51	52.697	1,566	trans-Nerolidol	14.47	14.48	42.01
52	53.199	1,579	β-Caryophyllene oxide	25.86	7.05	79.91
53	53.944	1,578	Spathulenol	4.30	7.41	-
54	54.260	1,590	Viridifolrol	8.63	8.72	-
55	55.641	1,610	β-Himachalene oxide	7.68	12.35	-
56	55.790	1,614	Di-epi-β-cedrol	8.50	15.95	-
58	56.621	1,634	δ-Cadinol	50.03	26.23	64.75
59	57.151	1,655	α-Cedr-8(15)-en-9-ol	311.12	52.08	759.14
60	57.910	1,662	α-Cadinol	79.09	65.61	40.37
62	59.773	1,689	epi-α-Bisabolol	8.10	6.65	23.01
63	60.802	1,708	Aromandendrene oxide	5.47	10.22	9.82
64	62.410	1,743	trans,cis-Farnesol	3.24	-	33.84
65	62.846	1,765	cis-Lanceol	335.28	49.86	1,035.66
66	63.326	1,768	14-Oxy-α-muurolene	28.61	-	93.20
67	64.022	1,779	γ-Eudesmol acetate	9.31	6.20	69.15
68	65.035	1,794	Nootkatone	347.32	60.83	1,645.66
69	65.398	1,801	epi-α-Bisabolol acetate	82.81	9.79	229.67
Others (9)
14	19.231	1,034	Unidentified	5.09	-	11.07
33	44.606	1,423	Unidentified	7.18	5.17	-
38	46.825	1,459	Unidentified	26.14	-	66.02
39	47.449	1,460	Unidentified	127.34	92.95	263.42
46	49.716	1,512	Unidentified	46.98	26.93	116.73
57	56.194	1,623	Unidentified	5.91	4.73	-
61	58.025	1,668	Unidentified	47.09	48.60	-
70	65.988	1,810	Unidentified	116.45	15.81	328.52
71	69.827	1,826	Unidentified	22.36	5.62	61.34

RT, retention time.
Retention index on non-polar DB-5MS capillary column (30 m×0.25 mm).
-, not detected.