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. 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.

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

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