Table 1.
Phenolic composition (µg/g dry weight) and TPC (mg of GAE/g extract) of the three OP batches.
| Sample | Ht | T | Ole | Lig | Pin | Myr | Lut | Api | CA | ChlA | GA | TTMI | TPC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OP1 | 224.6 ± 0.4 a |
222.9 ± 1.8 a |
128.9 ± 1.9 a |
103.7 ± 0.5 a |
36.9 ± 0.9 a |
91.9 ± 0.5 a |
599.9 ± 2.7 a |
221.5 ± 5.5 a |
7.8 ± 1.1 a |
48.4 ± 4.3 a |
nd | 1686.5 a | 99.8 ± 8.5 A |
| OP2 | 36.9 ± 0.5 b |
46.7 ± 2.5 b |
44.9 ± 1.7 b |
27.1 ± 0.1 b |
24.0 ± 1.3 b |
70.8 ± 1.2 b |
474.1 ± 1.7 b |
175.5 ± 0.2 b |
9.8 ± 0.1 b |
28.9 ± 3.2 b |
nd | 938.7 b | 26.3 ± 3.9 B |
| OP3 | 4.9 ± 0.3 c |
8.2 ± 0.5 c |
29.4 ± 0.1 c |
24.1 ± 0.6 c |
17.8 ± 0.7 c |
72.9 ± 1.1 b |
354.7 ± 3.2 c |
129.9 ± 1.1 c |
7.5 ± 0.5 a |
11.4 ± 1.5 c |
nd | 660.8 c | 14.5 ± 2.4 C |
Ht = hydroxytyrosol, T = tyrosol, Ole = oleuropein, Lig = ligstroside, Pin = pinoresinol, Myr = myricetin, Lut = luteolin, Api = apigenin, CA = caffeic acid, ChlA = chlorogenic acid, GA = gallic acid, TTMI = total targeted metabolite index, TPC = total phenolic content, nd = not detected. Superscript letters A,B,C,a,b,c within the same column refer to statistical analysis, and different letters indicate significant differences for p < 0.0001 and 0.5, respectively.