Geographical Characterization of Tunisian Olive Tree Leaves (cv. Chemlali) Using HPLC-ESI-TOF and IT/MS Fingerprinting with Hierarchical Cluster Analysis

Table 1

Identification data for the compounds detected in olive leaf extracts.

m/z [M-H]^−	RT (min)	Formula	Compound	IT/MS^2 fragments	Class
191.0561	2.0	C7H12O6	Quinic acid	103	Other polar compounds
315.1085	5.8	C14H20O8	Hydroxytyrosol-hexose	123, 153	Simple phenols
153.0557	6.6	C8H10O3	Hydroxytyrosol	123	Simple phenols
299.1136	7.0	C14H20O7	Tyrosol glucoside		Simple phenols
403.1246	7.7	C17H24O11	Elenolic acid glucoside isomer 1		Secoiridoids and related compounds
389.1089	7.8	C16H22O11	Secologanoside	183, 209, 227	Secoiridoids and related compounds
353.0878	7.9	C16H18O9	Caffeoylquinic acid isomer 1	191	Other polar compounds
403.1246	8.3	C17H24O11	Elenolic acid glucoside isomer 2		Secoiridoids and related compounds
305.0667	8.7	C15H14O7	Gallocatechin	225	Flavanol
401.1453	8.7	C18H26O10	Benzyl alcohol hexose-pentose	161	Other polar compounds
403.1246	8.9	C17H24O11	Elenolic acid glucoside isomer 3	179, 223, 371	Secoiridoids and related compounds
353.1606	9.0	C16H18O9	Caffeoylquinic acid isomer 2	191	Other polar compounds
377.1453	9.1	C16H26O10	Oleuropein aglycon derivative		Secoiridoids and related compounds
403.1246	9.8	C17H24O11	Elenolic acid glucoside isomer c		Secoiridoids and related compounds related compounds
525.1614	10.5	C24H30O13	Demethyloleuropein		Secoiridoids and related compounds
609.1461	10.7	C27H30O16	Rutin	300	Flavonol
593.1512	11.0	C27H30O15	Luteolin rutinoside	285	Flavone
623.2075	11.0	C29H36O15	Verbascoside	461, 315	Secoiridoids and related compounds
447.0933	11.2	C21H20O11	Luteolin glucoside isomer 1	285	Flavone
701.2298	11.6	C31H42O18	Oleuropein glucoside	539, 377, 307	Secoiridoids and related compounds
607.1668	11.8	C28H32O15	Diosmin isomer 1	299	Flavone
577.1563	11.7	C27H30O14	Apigenin rutinoside	269	Flavone
607.1668	12.1	C28H32O15	Diosmin isomer 2	299	Flavone
303.051	12.2	C15H12O7	Taxifolin		Flavanonol
431.0984	12.4	C21H20O10	Apigenin glucoside	268	Flavone
447.0933	12.4	C21H20O11	Luteolin glucoside isomer 2	285	Flavone
461.1089	12.6	C22H22O11	Chrysoeriol glucoside		Flavone
569.1876	12.9	C26H34O14	Methoxyoleuropein	537, 403, 337	Secoiridoids and related compounds
539.1770	13.2	C25H32O13	Oleuropein isomer 1	275, 377, 307	Secoiridoids and related compounds
539.1770	13.4	C25H32O13	Oleuropein isomer 2	275, 377, 307	Secoiridoids and related compounds
539.177	13.6	C25H32O13	Oleuropein isomer 3	275, 377, 307	Secoiridoids and related compounds
523.1820	14.5	C25H32O12	Ligstroside	291, 259	Secoiridoids and related compounds
377.1242	14.7	C19H22O8	Oleuropein aglycon isomer 1		Secoiridoids and related compounds
285.0405	15.9	C15H10O6	Luteolin	175, 151	Flavone
301.0354	16.2	C15H10O7	Quercetin		Flavonol
377.1242	17.3	C19H22O8	Oleuropein aglycon isomer 2	275	Secoiridoids and related compounds
269.0455	18.6	C15H10O5	Apigenin	225, 151	Flavone
299.0561	19.2	C16H12O6	Diosmetin		Flavone