Table 3.
Correlation between TPC, TFC, TPA, groups of polyphenolic compounds identified in the Eriobotrya japonica fruit extract and antioxidant (ABTS, CUPRAC), and antiproliferative (Caco-2, HT-29, MCF-7, U87MG) activity.
| ABTS | CUPRAC | Caco-2 | HT-29 | MCF-7 | U87MG | TPC | TFC | TPA | Phenolic Acid | Flavonols | Flavones | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ABTS | 1.000 | 0.410 | −0.379 | 0.568 | 0.532 | 0.148 | −0.992 * | 0.737 | −0.362 | −0.361 | 0.916 | −0.500 |
| CUPRAC | 1.000 | 0.688 | 0.983 * | −0.553 | −0.841 | −0.777 | 0.918 | −0.998 * | 0.702 | 0.011 | 0.583 | |
| Caco-2 | 1.000 | 0.545 | −0.985 | −0.971 | −0.078 | 0.345 | −0.724 | 0.999 * | −0.717 | 0.990 | ||
| HT-29 | 1.000 | −0.394 | −0.729 | −0.878 | 0.974 * | −0.972 | 0.562 | 0.192 | 0.427 | |||
| MCF-7 | 1.000 | 0.916 | −0.093 | −0.179 | 0.596 | −0.981 | 0.825 | −0.999 * | ||||
| U87MG | 1.000 | 0.313 | −0.558 | 0.867 | −0.975 | 0.530 | −0.930 | |||||
| TPC | 1.000 | −0.962 | 0.743 | −0.098 | −0.638 | 0.056 | ||||||
| TFC | 1.000 | −0.896 | 0.363 | 0.406 | 0.215 | |||||||
| TPA | 1.000 | −0.730 | 0.039 | −0.625 | ||||||||
| Phenolic acid | 1.000 | −0.703 | 0.987 | |||||||||
| Flavonols | 1.000 | −0.804 | ||||||||||
| Flavones | 1.000 |
(−) negative correlation, * significant differences at p < 0.05. TFC = Total Flavonoid Content; TPA = Total Proanthocyanidin Content; TPC = Total Phenol Content.