Table 2.
Correlation of physicochemical parameters in blueberry wines.
| TC | TA | TE | TP | ANT | CD | T | ABV | TSS | pH | TDE | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TC | 1 | 0.045 | 0.706 | −0.01 | 0.191 | −0.266 | 0.055 | −0.405 | 0.386 | 0.057 | 0.196 |
| TA | 0.045 | 1 | −0.109 | 0.67 | 0.501 | 0.206 | 0.125 | 0.586 | −0.268 | 0.534 | −0.248 |
| TE | 0.706 | −0.109 | 1 | 0.043 | 0.279 | 0.295 | −0.318 | −0.612 | 0.879 | −0.133 | 0.819 |
| TP | −0.01 | 0.67 | 0.043 | 1 | 0.851 | 0.569 | −0.119 | 0.651 | −0.048 | 0.779 | 0.014 |
| ANT | 0.191 | 0.501 | 0.279 | 0.851 | 1 | 0.395 | −0.203 | 0.277 | 0.056 | 0.862 | 0.202 |
| CD | −0.266 | 0.206 | 0.295 | 0.569 | 0.395 | 1 | −0.489 | 0.139 | 0.537 | 0.057 | 0.6 |
| T | 0.055 | 0.125 | −0.318 | −0.119 | −0.203 | −0.489 | 1 | 0.145 | −0.542 | 0.145 | −0.597 |
| ABV | −0.405 | 0.586 | −0.612 | 0.651 | 0.277 | 0.139 | 0.145 | 1 | −0.585 | 0.517 | −0.579 |
| TSS | 0.386 | −0.268 | 0.879 | −0.048 | 0.056 | 0.537 | −0.542 | −0.585 | 1 | −0.417 | 0.941 |
| pH | 0.057 | 0.534 | −0.133 | 0.779 | 0.862 | 0.057 | 0.145 | 0.517 | −0.417 | 1 | −0.284 |
| TDE | 0.196 | −0.248 | 0.819 | 0.014 | 0.202 | 0.6 | −0.597 | −0.579 | 0.941 | −0.284 | 1 |
Note: TC: total carbohydrates, TA: total acids, TE: total esters, TP: total phenols, ANT: total anthocyanin, CD: color density, T: tint, ABV: alcohol by volume, TSS: total soluble solids, TDE: total dry extracts.