Table 1.

Retention time and concentration of the main phenolic compounds present in Chemlali Olive Leaf Extract (COLE).

Peak number	Retention time  (min)	Amount  (mg/mL)	Compound
1	9.91	0.108	Hydroxytyrosol
2	15.225	0.047	Verbascoside
3	15.634	0.536	Luteolin-7-glucoside
4	17.344	0.529	Apigenin-7-glucoside
5	18.737	7.453	Oleuropein
6	22.127	0.089	Luteolin
7	25.056	0.012	Apigenin