. 2009 Nov 11;14(11):4597–4613. doi: 10.3390/molecules14114597

Table 1.

LRI, RI and percent composition of the volatile compounds of the flowers of Caralluma europaea.

LRI^a	Compound	%	Ident.^b	LRI^a	Compound	%	Ident.^b
<800	2-Methylbutanal	1.3	R_i, MS	1097	Linalool	18.4	R_i, MS, P.C.
<800	Dimethyl sulphide	t	R_i, MS	1101	Nonanal	1.0	R_i, MS
866	Hexanol	1.1	R_i, MS	1144	(Z)-Verbenol	0.4	R_i, MS
901	Heptanal	2.0	R_i, MS	1180	Octanoic acid	2.4	R_i, MS, P.C.
912	Santolinatriene	2.2	R_i, MS	1193	Myrtenal	0.6	R_i, MS
927	Tricyclene	1.2	R_i, MS	1194	Myrtenol	0.6	R_i, MS
938	α-Pinene	1.9	R_i, MS, P.C.	1196	4-Ethylbenzaldehyde	0.2	R_i, MS
953	Camphene	2.5	R_i, MS, P.C.	1206	Verbenone	0.7	R_i, MS
963	Benzaldehyde	0.4	R_i, MS	1276	3-Ethyl-4-methyl-1 H-pyrrole-2;5-dione	0.5	R_i, MS
978	β-Pinene	3.8	R_i, MS, P.C.	1278	Nonanoic acid	1.2	R_i, MS, P.C.
980	Phenol	0.8	R_i, MS	1290	Indole	0.8	R_i, MS
981	Hexanoic acid	1.7	R_i, MS, P.C.	1376	Decanoic acid	0.8	R_i, MS
998	Octanal	0.8	R_i, MS	1377	α-Copaene	0.3	R_i, MS
1005	α-Phellandrene	1.4	R_i, MS	1385	β-Bourbonene	0.2	R_i, MS
1009	Carene 3	0.5	R_i, MS	1398	α-Elemene	0.3	R_i, MS
1013	α-Terpinene	19.1	R_i, MS, P.C.	1416	(E)-Caryophyllene	0.6	R_i, MS
1025	p-Cymene	0.8	R_i, MS	1462	Seychellene	0.8	R_i, MS
1037	Benzyl alcohol	0.5	R_i, MS	1447	2;6-Di- tert-butyl-benzoquinone	0.2	R_i, MS
1044	Phenylacetaldehyde	0.4	R_i, MS	1519	1S- cis-Calamenene	t	R_i, MS
1067	Octanol	0.8	R_i, MS	1541	α-Calacorene	0.1	R_i, MS
1086	Terpinolene	23.3	R_i, MS, P.C.	Total compounds 96.6%

^a LRI: linear retention indices; ^b Ident. R_i: retention index; MS: mass spectrum, P.C.: same behaviour of the pure compound; t: trace amounts < 0.1%.