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Table 4
Correlation between parameters measured by spectrophotometric assays in the by-products containing anthocyanins (n = 5 samples).
| Parameter | Pearson correlation coefficient (r) | statistical significance (p) | Strength |
|---|---|---|---|
| Total polyphenols vs Antioxidant capacity | r = 0.734 | P<0.01 | Positive strong correlation |
| Total anthocyanins vs Antioxidant capacity | r = 0.246 | ns | Positive weak correlation |
| Total flavan-3-ols vs Antioxidant capacity | r = 0.520 | P<0.05 | Positive moderate correlation |
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