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^a 31 samples, ^b 21 samples

^c Experimental linear retention indices relative to homologous n-alkanes C₈–C₄₀ obtained on UB-Wax column.

tr = trace (<0.1%).

s.d. standard deviation

RI: Linear retention indices on UB-wax column. MS: mass spectrometry. AS: Retention indices of pure authentic samples.

Table S2: Mean and range of the chemical composition of the essential oil of mature galls of P. atlantica.

Compounds	Range variation^a				RI^b	Identification
	min	max	mean	sd
Tricyclene	tr	1.1	0.4	0.5	1011	MS, RI
α-Pinene	9.6	30.3	16.4	9.4	1025	MS, RI
Camphene	1.6	3.5	2.4	0.8	1063	MS, RI
β-Pinene	2.4	9.1	6.5	3.2	1106	MS, RI
Sabinene	0.3	4.8	1.5	2.2	1119	MS, RI
Verbenene	tr	0.3	0.1	0.2	1125	MS, RI
δ-3-Carene	tr	0.5	0.1	0.3	1147	MS, RI
Myrcene	tr	1.2	0.8	0.5	1165	MS, RI. AS
α-Phellandrene	tr	1.4	0.9	0.6	1169	MS, RI
α-Terpinene	tr	3.4	1.1	1.6	1187	MS, RI
Limonene	1.0	2.2	1.9	0.6	1205	MS, RI
β-Phellandrene	0.3	1.1	0.6	0.5	1214	MS, RI, AS
γ-Terpinene	0.2	5.3	1.6	2.5	1247	MS, RI
p-Cymene	0.1	5.9	2.3	2.8	1274	MS, RI
α-Terpinolene	tr	2.2	0.7	1.0	1296	MS, RI
β-Thujone	tr	1.4	0.6	0.7	1450	MS, RI
Linalool	0.2	0.5	0.3	0.2	1557	MS, RI, AS
Bornyl acetate	0.6	2.4	1.3	0.8	1591	MS, RI
Terpinen-4-ol	10.1	13.1	11.4	1.4	1617	MS, RI, AS
Aromadendrene	tr	0.8	0.4	0.5	1621	MS, RI
allo-Aromadendrene	0.5	1.6	1.2	0.5	1661	MS, RI
E-Pinocarveol	0.3	2.9	1.3	1.2	1670	MS, RI
α-Terpineol	4.8	10.3	7.8	2.8	1707	MS, RI, AS
Bicyclogermacrene	0.6	7.2	4.0	3.7	1751	MS, RI
Globulol	tr	3.6	1.3	1.7	2076	MS, RI, AS
Viridiflorol	tr	1.6	0.9	0.8	2104	MS, RI
Spathulenol	2.0	5.8	4.3	1.6	2143	MS, RI
γ-Eudesmol	0.3	1.3	1.0	0.5	2164	MS, RI
Isospathulenol	0.6	2.1	1.1	0.7	2245	MS, RI
Phytol	tr	1.7	0.8	0.9	2624	MS, RI, AS
Palmitic acid	0.3	2.0	0.8	0.8	2912	MS, RI

Monoterpenes HC	24.6	62.8	36.9	17.5
Oxygenated monoterpenes	19.6	26.3	22.5	2. 8
Total monoterpenes	50.9	82.4	59.4	15.4
Sesquiterpenes HC	1.5	9.6	5.6	4.6
Oxygenated sesquiterpenes	3.2	12.1	8.6	3.8
Other compounds	1.4	1.7	1.6	0.9
Fatty acids	0.3	2.0	0.8	0.8

EO yield % (v/w)	0.08	0.15	0.12	0.05

^a Range variation based on 6 different samples of essential oils.

^b Experimental linear retention indices relative to homologous n-alkanes C₈–C₄₀ obtained on UB-Wax column.

tr = trace (<0.1%).

s.d. standard deviation

RI: Linear retention indices on UB-wax column. MS: mass spectrometry. AS: Retention indices of pure authentic samples.

References

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Delazar A, Reid R, Sarker S. 2004. GC-MS analysis of the essential oil from the oleoresin of Pistacia atlantica var. mutica. Chem Nat Compd. 40:24-27.

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