Table 1.

Main phenolic compounds in liquid (L) and freeze dried (S) OMW extracts (mg g⁻¹).

Phenolic Compound	L	S	Sign.
Hydroxytyrosol	1.55 ± 0.01	4.55 ± 0.23	**
Tyrosol	0.54 ± 0.01	0.58 ± 0.00	*
Vanillic acid	0.15 ± 0.00	0.09 ± 0.00	**
Caffeic acid	0.22 ± 0.00	0.36 ± 0.00	**
Ferulic acid	0.02 ± 0.00	0.00 ± 0.00	**
Apigenin-7-O-glucoside	0.15 ± 0.00	0.06 ± 0.00	**
Oleuropein	0.08 ± 0.00	0.15 ± 0.00	**
Luteolin-7-O-glucoside	0.04 ± 0.00	0.05 ± 0.00	**

Data are mean (n = 2) ± standard deviation. ** Significance for p < 0.01; * significance for p < 0.05.