Table 2.

Pearson's correlation coefficient of TPC and TFC in various extracts with IC₅₀ of DPPH, IC₅₀ of ABTS, and EC₅₀ of FRAP.

Antioxidant parameter	Pearson's correlation coefficient (r)
	TPC	TFC	EC50 FRAP WS	EC50 FRAP BS	IC50 ABTS WS	IC50 ABTS BS
IC50 DPPH WS	0.990**	−0.423 ns	0.921**
IC50 DPPH BS	0.26 ns	−0.252 ns		−0.144 ns
IC50 ABTS WS	0.097 ns	0.834**
IC50 ABTS BS	−0.828**	0.843**
EC50 FRAP WS	0.945**	−0.720*			−0.229 ns
EC50 FRAP BS	−0.976**	0.993**				0.898**

WS = white sesame seed, BS = black sesame seed, ns = not significant, * = significant at p < 0.05, ** = significant at p < 0.01.