Table 1.

Summarization of the parameters for individual methods related to the standard of gallic acid (n = 5).

Method	Wavelength [nm]	Interaction Time [sec.]	Measuring range [µg·mL-1]	Calibration equation	Confidence coefficient [R2]	Standard deviation [%]
DPPH	510	1296	1 – 10	y = -0.103ln(x) - 0.0931	0.996	1.80
ABTS	670	1296	1 – 20	y = -0.0111x - 0.0196	0.996	2.10
FRAP	578/630	1296	1 – 300	y = 0.076x + 0.057	0.999	1.50
DMPD	510	1296	1 – 25	y = -0.060x + 0.180	0.999	2.30
FR	450	560	1 – 1000	y = 0.035x + 0.267	0.996	1.50