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Table 3
Correlation between parameters measured with spectrophotometric assays in the by-product samples (n = 9 samples).
| Parameter | Pearson correlation coefficient (r) | statistical significance (p) | Strength |
|---|---|---|---|
| Total polyphenols vs Total flavan-3-ols | r = 0.946 | P<0.001 | Positive strong correlation |
| Total polyphenols vs Antioxidant capacity | r = 0.983 | P<0.001 | Positive strong correlation |
| Total flavan-3-ols vs Antioxidant capacity | r = 0.909 | P<0.001 | Positive strong correlation |
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