Table 3.
Half-maximal inhibitory concentrations (IC50) of the 18 different juice extracts tested using the PDE activity assay. Results are presented as mean ± SD (n = 3–4). JC (juice concentrate), NFC (not from concentrate).
| Extract | Abbreviation | Product | IC50 (µg/mL) |
|---|---|---|---|
| chokeberry | CkB1 | JC | 163 ± 3 |
| CkB2 | JC | 167 ± 5 | |
| blueberry | BB1 | JC | 174 ± 3 |
| BB2 | NFC | 165 ± 2 | |
| pomegranate | PG1 | JC | 169 ± 2 |
| PG2 | JC | 174 ± 1 | |
| cranberry | CB1 | JC | 175 ± 1 |
| CB2 | JC | 180 ± 3 | |
| sour cherry | SC1 | NFC | 185 ± 1 |
| SC2 | JC | 195 ± 2 | |
| SC3 | JC | 200 ± 2 | |
| elderberry | EB1 | JC | 222 ± 3 |
| EB2 | JC | 206 ± 2 | |
| black currant | BC1 | NFC | 212 ± 1 |
| BC2 | JC | 229 ± 3 | |
| red grape | RG1 | JC | 290 ± 2 |
| RG2 | NFC | 276 ± 2 | |
| RG3 | JC | 292 ± 3 |