Research Article

Determination of the Phenolic Profile and Antioxidant Activity of Leaves and Fruits of Spanish Quercus coccifera

Table 2

Quantification of compounds in extracts of Q. coccifera. Results are expressed in mg/g DE.

No.Assigned identificationAcornsLeaves

Gallic acid derivatives
5Digalloyl-hexoside2.6 ± 0.1
7Digalloyl-hexoside2.1 ± 0.1
8+9Galloyl derivatives8.4 ± 0.6
11Methyl gallate21 ± 1
12+13Galloyl derivatives5.7 ± 0.3
16Trigalloyl-hexoside1.9 ± 0.1
18Trigalloyl-hexoside2.4 ± 0.2
19Trigalloyl-hexoside3.9 ± 0.2
20Trigallic acid1.3 ± 0.1
22Galloyl methyl gallate22 ± 1
25Tetragalloyl-hexoside26 ± 1
27Pentagalloyl-hexoside57 ± 2
28+29Galloyl derivatives52 ± 2
30Gallic acid derivative1.7 ± 0.1
31Pentagalloyl-hexoside22 ± 0.2
34Digalloyl methyl gallate3.5 ± 0.2
Total175±359±2
Flavonoids
10Catechin16.4 ± 0.8
23Quercetin hexoside-gallate1.4 ± 0.1
26(epi)catechin-O-gallate1.06 ± 0.05
38Kaempferol-O-rutinoside0.10 ± 0.04
41Quercetin-rhamnoside-rhamnoside-hexoside0.08 ± 0.01
42Quercetin-rhamnoside-rhamnoside-hexoside0.05 ± 0.01
43Kaempferol-rhamnose-hexose-rhamnose0.16 ± 0.01
Total19±2