Table 1.

Chemical composition of the volatile oil from male and female leaves of Juniperus excelsa subsp. polycarpos

Components	Retention Index (1)		Male Leaves%	Female Leaves%		Fruits%
α -Pinene	938		32.72	59.90		78.26
Sabinene	977		3.57	t		1.51
ß -Pinene	984		15.83	2.63		t
Myrcene	995		0.10	0.12		0.22
δ-2-Carene	1000		0.22	2.34		3.30
α -Phellandrene	1007		2.90	t		t
1,4-Cineol	1012		6.50	6.79		6.97
α -Terpinene	1020		0.12	0.56		t
Cymene (para)	1023		0.25	-		-
Limonene	1031		7.02	9.73		0.21
Z-ß-Ocimene	1039		0.10	-		t
E-ß-Ocimene	1047		1.82	5.54		3.48
Bergamal	1057		5.05	0.11		-
γ -Terpinene	1064		0.20	0.75		t
Sabinene hydrate (cis)	1069		0.55	t		-
Cymenene (meta)	1087		1.03	-		-
6-Camphenol	1112		2.28	2.08		1.87
α -Campholenal	1125		3.53	3.29		t
Ocimene (allo-)	1129		0.54	-		-
Limonene oxide (cis)	1136		0.52	0.13		t
Borneol	1165		0.46	0.61		0.32
3-Thujanol	1172		0.55	0.10		0.13
α -Terpineol	1191		0.13	0.10		0.19
Verbenone	1207		0.12	t		-
Z-Ocimenone	1231		0.10	0.10		t
E-Caryophyllene	1417		-	-		0.18
γ- Elemene	1435		0.55	0.85		0.21
E-β -Farnesene	1459		0.45	1.51		-
Germacrene D	1482		0.10	-		0.18
α-Muurolene	1498		0.13	0.58		-
Cuparene	1507		-	0.13		-
γ- Cadinene	1516		-	0.13		-
α -Cadinene	1541		0.16	0.50		t
Widdrol	1597		-	0.12		-
Cedrol	1621		1.88	2.57		1.31
Grouped compounds:
Monoterpene hydrocarbons		81.57		66.42		86.98
Oxygen-containing monoterpenes		13.31		19.73		9.48
Sesquiterpene hydrocarbons		1.39		3.70		0.57
Oxygen-containing sesquiterpenes		1.88			2.69	1.31

t: trace (< 0.1%) ; (1): The retention Kovats indices were determined on DB-5 capillary column