Table 5.

Multiple regression equations for total radical‐scavenging activity (ABTS), free radical scavenging activity (DPPH) and ferric reducing antioxidant power (FRAP) using the contents of polyphenols, proanthocyanidins (PAC) and carotenoids (mg kg⁻¹) in sulla

Dependent variable	Independent variable	a a	b b	SB c	Partial R b	Adjusted R b	MSE d
ABTS	Polyphenols	9.5	4.9	1.26	0.923	0.951	133
	Extractable PAC		2.45	0.81	0.04
DPPH	Extractable PAC	−6.24	2.81	0.36	0.955	0.991	21.9
	Polyphenols		2.46	0.69	0.035
	Neoxanthin		720	307	0.004
FRAP	Polyphenols	41.7	3.72	1.43	0.930	0.98	99.9
	Extractable PAC		5.34	0.96	0.045
	PB‐PAC		−8.82	3.38	0.012

^a Intercept.

^b Regression coefficients.

^c Standard error of b.

^d Mean square error of the model.