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. 2020 Apr 9;9(4):484. doi: 10.3390/plants9040484

Table 4.

Correlations between quality attributes, antioxidants and mineral elements in celery leaves and petioles.

DM NO3 TDS AA Fl AOA PP MS DS Ash K Mn Fe Cu Zn
NO3 −0.334 1
TDS 0.422 0.053 1
AA 0.918* 0.005 0.428 1
Fl 0.701** 0.0393 0.608*** 0.804 1
AOA 0.756** 0.202 0.342 0.844* 0.484 1
PP 0.943* −0.106 0.542 0.978* 0.861* 0.781** 1
MS −0.676*** −0.381 −0.303 −0.848* −0.718** −0.791** −0.801** 1
DS −0.606*** 0.404 0.018 −0.451 -0.092 −0.524 −0.408 0.251 1
Ash 0.391 0.584 0.380 0.554 0.260 0.782** 0.461 −0.631*** −0.292 1
K −0.163 −0.397 0.313 −0.276 0.095 −0.322 −0.121 0.448 0.244 −0.500 1
Mn 0.366 0.379 −0.275 0.502 0.018 0.737** 0.353 −0.643*** −0.315 0.611*** −0.710** 1
Fe 0.070 0.568 −0.323 0.253 −0.017 0.521 0.108 −0.600*** −0.326 0.515 −0.601*** 0.774** 1
Cu 0.096 0.730** 0.024 0.272 −0.020 0.515 0.146 −0.573 −0.067 0.821* −0.794** 0.722** 0.693** 1
Zn 0.570 −0.010 0.641*** 0.667*** 0.711** 0.625*** 0.717** −0.458 −0.174 0.336 0.437 0.049 −0.054 −0.166 1
Se −0.029 0.095 −0.481 −0.111 −0.287 −0.001 −0.214 −0.126 −0.723 0.101 −0.676 0.320 0.594 0.471 −0.697**

***p < 0.001; **p < 0.01; *p < 0.05. Abbreviations: DM, dry matter; TDS, total dissolved solids; AA, ascorbic acid; Fl, flavonoids; AOA, antioxidant activity; PP, polyphenols; MS, monosaccharides; DS, disaccharides.