Table 3. Pearson’s correlation coefficients of phytochemical concentration and antioxidant activities of fermented gold kiwifruit extracts
| TPC1) | TFC2) | Fe2+3) | DPPH4) | ABTS5) | SOD6) |
| TPC | 1 | - | - | - | - | - |
| TFC | 0.962**7) | 1 | - | - | - | - |
| Fe2+ | 0.830* | 0.879* | 1 | - | - | - |
| DPPH | 0.973** | 0.944** | 0.918** | 1 | -- | - |
| ABTS | 0.709 | 0.771 | 0.459 | 0.588 | 1 | - |
| SOD | 0.900* | 0.871* | 0.945** | 0.967** | 0.389 | 1 |
1)TPC, total polyphenol content.
2)TFC, total flavonoid content.
3)Fe2+, Fe2+ ion chelating activity.
4)DPPH, DPPH radical scavenging activity.
5)ABTS, ABTS radical scavenging activity.
6)SOD, SOD-like activity.
7)Correlation is significant at *, p<0.05; **, p<0.01.