Table 2.
Amounts (μg·g−1 sample) of selected phenolic compounds (GA—gallic acid; HBA—4-hydroxybenzoic acid; C—catechin hydrate; EC—epicatechin; CG—catechin gallate; ECG—epicatechin gallate; EGC—epigallocatechin; EGCG—epigallocatechin gallate; PC—pyrocatechol) in edible algal products (A—Eisenia bicyclis; H—Hizikia fusiformis; K—Laminaria japonica; W, Wi—Undaria pinnatifida; D—Palmaria palmata; N—Porphyra tenera; C—Chlorella pyrenoidosa; S—Spirulina platensis).
| GA | HBA | C | EC | CG | ECG | EGC | EGCG | PC | |
|---|---|---|---|---|---|---|---|---|---|
| A | 2.8 ± 0.1 | - | - | 3.2 ± 0.3 | 2.9 ± 1.0 | - | - | + | - |
| H | 14.1 ± 0.5 | - | - | 8.2 ± 0.1 | - | - | - | + | - |
| K | - | - | - | 3.1 ± 0.1 | - | - | 4.0 ± 0.2 | + | - |
| W | - | 1.9 ± 0.1 | - | - | - | - | 4.8 ± 0.1 | - | - |
| Wi | - | 8.1 ± 0.1 | - | 6.3 ± 0.5 | 2.0 ± 0.2 | - | 21.4 ± 0.1 | 7.5 ± 0.1 | - |
| D | - | 5.8 ± 0.1 | - | + | - | - | - | - | - |
| N | 3.5 ± 0.1 | 1.6 ± 0.1 | 128.8 ± 2.9 | 16.4 ± 0.7 | - | + | 16.0 ± 0.5 | 4.0 ± 0.1 | - |
| C | 5.0 ± 0.2 | 20.5 ± 0.1 | - | - | - | - | 20.2 ± 0.7 | - | - |
| S | - | - | 22.7 ± 2.3 | 27.5 ± 1.3 | - | - | - | - | 28.9 ± 0.6 |
Results are shown as mean ± SD (n = 4); + trace amount; - not detected.