Table 5.
Correlation between total phenolic compounds, condensed tannin content, and free-radical scavenging potential of Aspergillus awamori extracts
| TPC | CTC | DPPH | ABTS | FRAP | MCA | CUPRAC | |
|---|---|---|---|---|---|---|---|
| TPC | 1 | −.964 | .832 | .982* | .993* | −.311 | .869 |
| CTC | −.964 | 1 | −.655 | −.997 | -.988 | .552 | −.707 |
| DPPH | .832 | −.655 | 1 | .714 | .764 | .268 | .998* |
| ABTS | .982* | −.997 | .714 | 1 | .997* | −.483 | .762 |
| FRAP | .993* | −.988 | .764 | .997* | 1 | −.417 | .807 |
| MCA | −.311 | .552 | .268 | −.483 | −.417 | 1 | .200 |
| CUPRAC | .869 | −.707 | .998* | .762 | .807 | .200 | 1 |
TPC total phenolic compounds, CTC condensed tannin content, DPPH 2,2-diphenyl-1-picrylhydrazyl, ABTS 2,2′-Azinobis (3-ethylbenzothiazoline-6-sulphonic acid) diammonium salt, FRAP ferric reducing antioxidant power, MCA metal chelating activity, CUPRAC cupric ion reducing capacity
* Correlation is significant at the .05 level (1-tailed)