Interspecific and Intersexual Differences in the Chemical Composition of Floral Scent in Glochidion Species (Phyllanthaceae) in South China

Table 2

Chemical composition of floral scents of both male flowers and female flowers of five Glochidion species.

			G. eriocarpum		G. daltonii		G. sphaerogynum		G. hirsutum		G. zeylanicum
Compounds		RI	Male; flowers	Female; flowers	Male; flowers	Female; flowers	Male; flowers	Female; flowers	Male; flowers	Female; flowers	Male; flowers	Female; flowers
			( = 3)	( = 4)	( = 7)	( = 6)	( = 4)	( = 4)	( = 3)	( = 3)	( = 3)	( = 3)
Aliphatics
1	(E)-2-Hexenal	854	0.04 ± 0.01	0.39 ± 0.18	0.04 ± 0.02	0.25 ± 0.24	1.23 ± 0.21	0.46 ± 0.17	—	—	—	—
2	(Z)-3-Hexen-1-ol	857	0.12 ± 0.13	5.77 ± 3.43	0.03 ± 0.04	0.19 ± 0.15	0.19 ± 0.16	0.58 ± 0.33	0.60 ± 0.42	0.38 ± 0.18	0.52 ± 0.22	0.25 ± 0.10
3	(E)-2-Hexen-1-ol	862	0.05 ± 0.06	11.55 ± 3.49	—	—	7.76 ± 5.59	—	—	—	—	—
4	1-Hexanol	867	—	—	—	0.19 ± 0.11	2.28 ± 1.07	0.64 ± 0.52	4.06 ± 2.15	0.23 ± 0.12	1.51 ± 0.72	0.12 ± 0.04
5	Butyl butyrate	994	—	—	—	—	—	0.19 ± 0.11	—	—	—	—
6	(Z)-3-Hexenyl acetate	1007	0.23 ± 0.18	—	0.12 ± 0.08	1.30 ± 0.62	0.16 ± 0.05	0.60 ± 0.36	—	—	—	—
7	Hexyl butyrate	1011	0.02 ± 0.02	—	0.14 ± 0.18	0.49 ± 0.33	0.13 ± 0.05	0.07 ± 0.02	—	—	—	—
8	(Z)-2-Hexenyl acetate	1012	0.03 ± 0.05	—	0.39 ± 0.19	1.09 ± 0.84	0.52 ± 0.10	0.08 ± 0.03	—	—	—	—
9	(Z)-6-Nonenal	1099	—	—	0.10 ± 0.09	—	—	—	—	—	—	—
10	(Z)-3-Nonen-1-ol	1158	—	—	—	0.18 ± 0.08	1.32 ± 0.46	0.12 ± 0.09	1.07 ± 0.07	—	1.86 ± 0.41	—
11	(E)-2-Nonenal	1167	0.05 ± 0.03	—	0.22 ± 0.19	0.98 ± 0.65	—	0.22 ± 0.06	36.60 ± 3.04	—	23.50 ± 0.99	—
12	(E)-2-Nonen-1-ol	1170	0.05 ± 0.04	—	0.16 ± 0.15	0.70 ± 0.85	1.27 ± 0.42	0.17 ± 0.07	14.14 ± 2.04	—	11.17 ± 3.83	—
13	(Z)-6-Nonen-1-ol	1171	0.03 ± 0.01	—	0.13 ± 0.06	—	—	—	—	—	—	—
14	(Z)-3-Hexenyl butyrate	1185	0.02 ± 0.01	—	0.04 ± 0.04	0.92 ± 0.56	—	1.11 ± 0.40	—	—	—	—
15	Hexyl butyrate	1192	0.01 ± 0.01	—	0.08 ± 0.06	7.43 ± 6.55	—	—	—	—	—	—
16	(E)-2-Hexenyl butyrate	1195	0.02 ± 0.01	—	0.25 ± 0.25	0.71 ± 0.22	1.35 ± 0.45	0.52 ± 0.23	—	—	—	—
17	(Z)-3-Hexenyl isovalerate	1238	—	—	—	1.00 ± 1.27	—	0.04 ± 0.03	—	—	—	—
18	(Z)-3-Hexenyl valerate	1239	—	—	—	0.41 ± 0.32	—	0.08 ± 0.03	—	—	—	—
19	Tetradecane	1400	—	3.61 ± 3.27	—	—	—	—	—	—	—	—
20	Selinane	1464	—	4.42 ± 3.46	—	—	—	—	—	—	—	—
21	Pentadecane	1500	—	6.92 ± 5.81	—	—	—	—	—	—	—	—
Monoterpenes
22	α-Pinene	939	—	0.70 ± 0.47	—	—	—	—	—	—	—	—
23	2-Pentylfuran	992	—	—	0.04 ± 0.07	0.50 ± 0.27	—	—	—	—	—	—
24	(Z)-β-Ocimene	1038	0.06 ± 0.03	0.88 ± 0.09	—	0.08 ± 0.05	0.03 ± 0.01	0.07 ± 0.10	—	0.77 ± 0.20	—	0.75 ± 0.17
25	(E)--Ocimene	1048	6.58 ± 3.67	42.6 ± 23.82	0.50 ± 0.47	3.47 ± 1.64	0.2 ± 0.03	1.49 ± 1.61	2.14 ± 1.53	59.4 ± 2.91	1.60 ± 0.97	62.74 ± 2.50
26	(Z)-Linalool oxide(furanoid)	1076	0.14 ± 0.15	—	0.11 ± 0.08	0.13 ± 0.05	0.67 ± 0.20	0.19 ± 0.17	—	—	—	—
27	(E)-Linalool oxide(furanoid)	1088	0.35 ± 0.12	2.93 ± 1.14	0.95 ± 0.82	0.73 ± 0.30	2.86 ± 0.99	0.59 ± 0.45	—	—	—	1.23 ± 0.72
28	Linalool	1098	4.86 ± 5.05	4.61 ± 2.36	1.02 ± 1.09	44.85 ± 9.15	59.76 ± 11.44	23.61 ± 9.68	—	12.43 ± 0.69	—	12.26 ± 2.23
29	Hotrienol	1109	—	—	0.13 ± 0.12	3.07 ± 1.19	—	—	—	—	—	—
30	(E,E)-2,6-Dimethyl-1,3,5,7-; octatetraene	1130	—	—	—	—	—	—	—	0.46 ± 0.08	—	0.40 ± 0.04
31	(E,Z)-2,6-Nonadienal	1155	0.14 ± 0.07	—	0.14 ± 0.07	0.37 ± 0.18	1.64 ± 0.57	0.14 ± 0.04	19.19 ± 2.86	—	17.46 ± 1.21	—
32	2,5-Dimethyl-1,6-heptadien	1161	—	—	—	—	2.6 ± 1.46	—	—	—	—	—
33	α-Terpineol	1186	0.01 ± 0.01	—	—	0.10 ± 0.08	—	—	—	0.65 ± 0.21	—	0.63 ± 0.19
Sesquiterpenes
34	α-Copaene	1376	—	—	—	—	—	—	—	0.62 ± 0.19	—	0.68 ± 0.32
35	-Elemene	1391	28.22 ± 3.26	—	27.13 ± 5.62	7.54 ± 4.77	—	22.64 ± 1.89	—	1.36 ± 1.11	1.95 ± 1.90	—
36	(Z)-Jasmone	1393	—	—	—	0.16 ± 0.06	5.63 ± 0.98	3.26 ± 2.61	—	—	—	—
37	β-Caryophyllene	1418	1.32 ± 0.31	—	0.44 ± 0.12	3.28 ± 1.41	1.4 ± 0.44	3.26 ± 2.61	1.13 ± 0.61	7.344 ± 2.37	3.31 ± 2.16	6.90 ± 2.34
38	γ-Elemene	1430	—	—	—	—	0.04 ± 0.03	1.21 ± 0.47	—	—	—	—
39	β-Copaene	1433	—	—	—	—	—	—	—	0.43 ± 0.31	0.87 ± 0.93	0.30 ± 0.14
40	(E)-α-Bergamotene	1439	—	—	0.04 ± 0.02	—	—	—	—	—	—	—
41	α-Caryophyllene	1451	0.12 ± 0.08	—	0.06 ± 0.06	1.10 ± 0.35	0.13 ± 0.11	0.18 ± 0.08	—	3.53 ± 0.98	1.45 ± 0.97	1.71 ± 0.64
42	β-Humulene	1454	—	—	—	—	—	0.33 ± 0.12	—	—	—	—
43	Z,Z,Z-1,5,9,9-Tetramethyl-1,4,7-cycloundecatriene	1456	—	—	—	—	0.37 ± 0.37	0.21 ± 0.20	—	—	—	—
44	α-Patchoulene	1457	0.49 ± 0.26	—	1.42 ± 0.62	—	—	2.93 ± 0.83	—	—	—	—
45	(E)-β-Farnesene	1458	—	—	0.08 ± 0.09	—	—	—	—	—	—	—
46	4,5-Di-epi-aristolochene	1467	0.14 ± 0.03	—	0.06 ± 0.06	—	—	—	—	—	—	—
47	γ-Selinene	1470	8.97 ± 1.64	—	4.78 ± 0.72	2.13 ± 0.85	—	5.64 ± 1.21	—	—	—	—
48	Germacrene D	1481	0.08 ± 0.03	—	—	—	—	—	—	—	—	—
49	-Selinene	1485	14.54 ± 4.13	—	7.04 ± 1.00	4.37 ± 1.71	—	12.03 ± 2.85	—	—	—	—
50	δ-Selinene	1487	0.20 ± 0.12	—	0.18 ± 0.10	—	—	0.38 ± 0.22	—	—	—	—
51	α-Muurolene	1493	—	—	—	4.59 ± 2.85	—	—	—	—	—	—
52	-Selinene	1498	16.09 ± 3.37	—	7.70 ± 1.31	4.84 ± 2.18	—	11.87 ± 2.98	—	—	—	—
53	Eremophilene	1502	—	—	—	1.24 ± 0.72	—	—	—	—	—	—
54	(E,E)--Farnesene	1506	1.47 ± 1.15	5.1 ± 5.96	40.30 ± 9.92	1.66 ± 1.03	0.78 ± 1.34	0.14 ± 0.04	—	—	—	—
55	α-Panasinsene	1518	0.75 ± 0.15	—	0.31 ± 0.10	0.43 ± 0.73	—	0.38 ± 0.10	—	1.64 ± 2.05	—	2.50 ± 1.31
56	Longiborneol	1592	14.16 ± 2.09	—	3.99 ± 1.92	—	—	6.98 ± 2.63	—	—	—	—
Aromatics
57	Benzaldehyde	962	0.07 ± 0.04	0.51 ± 0.33	0.03 ± 0.02	—	—	—	—	—	—	—
58	Benzeneacetaldehyde	1043	—	—	—	—	—	—	0.58 ± 0.29	—	1.08 ± 0.56	—
59	Methyl benzoate	1090	—	—	—	—	—	—	—	0.42 ± 0.07	—	0.61 ± 0.29
60	Benzoyl cyanide	1094	—	—	—	0.14 ± 0.15	—	—	—	—	—	—
61	Phenylethyl alcohol	1116	0.10 ± 0.07	—	0.06 ± 0.08	—	—	—	10.04 ± 4.05	1.10 ± 0.26	20.76 ± 3.56	0.09 ± 0.05
62	Phenylacetonitrile	1143	0.17 ± 0.18	—	0.23 ± 0.33	—	—	—	1.92 ± 0.72	—	3.28 ± 0.54	—
63	Methyl salicylate	1190	0.04 ± 0.02	—	—	—	—	0.72 ± 0.16	1.02 ± 0.15	0.92 ± 0.35	3.34 ± 2.82	0.42 ± 0.04
64	Benzothiazole	1227	—	1.48 ± 0.72	—	—	—	—	—	—	—	—
65	2-Phenylethyl acetate	1256	—	—	0.07 ± 0.10	—	—	—	—	—	—	—
66	Indole	1287	—	—	—	—	—	—	1.54 ± 1.75	3.51 ± 0.7	1.38 ± 0.17	2.96 ± 1.73
67	β-Phenyethyl butyrate	1447	—	—	0.06 ± 0.06	—	—	—	—	—	—	—
68	Butylated hydroxytoluene	1512	—	4.61 ± 4.84	—	—	—	—	—	—	—	—
69	Mellein	1546	—	—	—	—	4.73 ± 2.03	0.63 ± 0.17	—	—	—	—
Unknown			0.17 ± 0.04	3.93 ± 3.51	0.64 ± 0.60	0.25 ± 0.17	2.2 ± 1.13	0.36 ± 0.08	6.08 ± 0.81	4.68 ± 1.47	5.12 ± 0.44	5.22 ± 1.8

Retention index.
The number of headspace samples.
“—” presents that the compound was not detected.
The boldface compounds present the main compounds of each species (relative amounts >10%).