Evaluation of nutritional values, phenolic profile, aroma compounds and biological properties of Pittosporum tobira seeds

Table 2 Chemical composition (GC–MS) of Pittosporum tobira seed obtained by HD and HS-SPME

Compounds ^*	RI^a	% RC		Molecular formula	Identification methods
		SPME	HD		Identification methods
1-Butanol	862	–	3.057	C₄H₁₀O	MS,RI
3-Carene	1007	–	0.357	C₁₀H₁₆	MS,RI
Eucalyptol	1020	–	1.901	C₁₀H₁₈O	MS, RI
Artemisia alcohol	1083	–	0.119	C₁₀H₁₈O	MS, RI
Camphor	1125	7.824	3.657	C₁₀H₁₆O	MS, RI, Co-GC
Borneol	1165	–	2.62	C₁₀H₁₈O	MS,RI
D-Verbenone	1185	–	1.101	C₁₀H₁₄O	MS, RI
δ-Elemene	1332	0.412	4.195	C₁₅H₂₄	MS, RI
Eugenol	1340	0.956	2.792	C₁₀H₁₂O₂	MS, RI
&-Cubebene	1351	0.339	–	C₁₅H₂₄	MS, RI
&-Copaene	1375	1.724	–	C₁₅H₂₄	MS, RI, Co-GC
β-Elemene	1388	1.257	–	C₁₅H₂₄	MS, RI
β-Caryophyllene	1418	1.047	0.773	C₁₅H₂₄	MS, RI
β- Copaene	1427	0.873	–	C₁₅H₂₄	MS, RI
&-Patchoulene	1452	0.337	–	C₁₅H₂₄	MS, RI
λ-Gurjunene	1467	2.068	4.034	C₁₅H₂₄	MS, RI, Co-GC
Himachalene	1471	10.493	–	C₁₅H₂₄	MS, RI
Germacrene D	1477	0.967	–	C₁₅H₂₄	MS, RI
Spathulenol	1568	51.45	47.989	C₁₅H₂₄O	MS, RI, Co-GC
Longifolene	1576	0.372	–	C₁₅H₂₄	MS, RI
Isoaromadendrene epoxide	1579	0.107	1.215	C₁₅H₂₄O	MS, RI
Globulol	1582	0.165	–	C₁₅H₂₆O	MS, RI
Ledol	1585	–	0.52	C₁₅H₂₆O	MS, RI
Guaiol	1588	–	0.383	C₁₅H₂₆O	MS, RI
Cubenol	1618	0.567	–	C₁₅H₂₆O	MS, RI
Isospathulenol	1625	2.701	5.798	C₁₅H₂₄O	MS, RI
T-Cadinol	1633	0.135	1.612	C₁₅H₂₆O	MS, RI
Unknown	1821	10.747	2.036	C₁₅H₂₄O	MS,RI
1-Eicosanol	2219	–	5.335	C₂₀H₄₂O	MS,RI

^a RI retention index relative to C₇–C₃₀ n-alknes determined using on a VF-5MS capillary column. RC relative concentration, MS mass spectrum, Co-GC co-injection with authentic compound

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