Table 1.
Correlation coefficient (R) between assays in water extract from torrefied oak wood

	TP	TF	DPPH	ABTS
TF	0.9973
DPPH	0.3538	0.3139
ABTS	0.5408	0.5001	0.9505
FRAP	0.7718	0.7542	0.5812	0.7859