Table 1.

Sesquiterpene composition of S. spicatum heartwood oil extracts from three different regions of West Australia (Wheatbelt, Goldfields and North).

R.I.		Southwest of W.A. (Wheatbelt)				Southeast of W.A. (Goldfields)				North of W.A. (Carnarvon/Shark Bay)
Components		Average (%)	Min	Max	SD	Average (%)	Min	Max	SD	Average (%)	Min	Max	SD
E,E-farnesol	2361	14.4	2.0	46.2	8.5	19.4	9.3	36.5	5.6	9.1	2.1	20.1	5.4
Total α- and β-Santalol		12.5	0.9	54.3	10.9	10.3	0.8	23.5	7.0	33.0	8.7	55.6	11.6
Z-nuciferol, Z-ϒ-curcumen-12-ol	2520 2525	11.2	3.1	23.3	4.6	8.9	3.6	15.4	3.0	5.9	0.7	19.0	4.7
α-santalol	2346	9.3	0.6	41.3	8.3	7.4	0.5	16.6	5.0	24.8	6.2	38.3	9.2
Z-β-curcumen-12-ol	2470	6.9	0.3	17.1	3.5	6.8	0.6	14.0	4.2	6.9	0.3	19.8	5.2
β-santalol	2429	3.2	0.3	13.0	2.7	2.9	0.3	7.0	2.0	8.2	2.5	13.4	2.8
Z-α-trans-bergamotol	2358	2.8	0.0	14.0	2.2	2.7	0.2	6.3	1.6	4.2	1.2	7.3	1.9
α-bisabolol	2220	1.8	0.0	18.4	3.3	9.7	2.2	19.0	4.9	1.5	0.1	6.0	1.7
Z-lanceol	2496	1.4	0.3	8.7	1.4	5.0	1.5	9.6	2.4	2.3	0.9	6.9	1.4
dendrolasin	1927	1.3	0.2	5.3	0.9	2.3	0.7	5.4	1.2	0.7	0.2	1.5	0.4
epi-β-santalol	2414	0.6	0.0	1.9	0.4	0.5	0.0	1.3	0.4	2.1	0.5	4.8	1.1
α-santalene	1560	0.5	0.0	2.1	0.3	0.2	0.0	0.5	0.1	1.2	0.5	2.3	0.5
trans-nerolidol	2033	0.4	0.0	1.7	0.3	0.6	0.2	1.5	0.4	0.7	0.1	2.2	0.6
β-santalene	1640	0.4	0.0	1.6	0.3	0.1	0.0	0.4	0.1	1.1	0.5	2.0	0.4
E-β-farnesene	1760	0.3	0.0	1.2	0.2	0.0	0.0	0.1	0.0	0.0	0.0	0.1	0.0
epi-β-santalene	1621	0.2	0.0	1.1	0.2	0.1	0.0	0.2	0.1	0.7	0.3	1.3	0.3
α-trans-bergamotene	1576	0.2	0.0	0.7	0.1	0.1	0.0	0.1	0.0	0.4	0.2	0.8	0.2
Total		54.8	24.6	81.9	10.3	66.7	51.2	76.0	5.7	69.9	56.7	78.5	6.3
Yield (%)		3.22	0.01	6.41	1.08	2.40	0.58	4.61	0.94	3.58	1.48	5.79	1.15