Table 4.

Correlation between phytic acid content and nutrients bioaccessibility

		Phytic acid content	Minerals content			Phytic acid to mineral mole ratio			In-vitro starch digestibility	Total protein content	In-vitro protein digestibility
			Fe	Zn	Ca	Fe	Zn	Ca
Phytic acid content
Pearson correlation		1.00	0.10	0.19	0.06	0.40**	0.27**	0.60**	−0.06	0.41**	0.17
Partial correlation			–	–	–	0.89**	0.71**	0.93**	−0.18	–	0.06
Nutrients bioaccessibility
Minerals content	Fe		1.00	0.64**	0.44*	−0.83**	−0.54**	−0.31**	0.41**	0.44**	0.20*
	Zn			1.00	0.47**	−0.55**	−0.79**	−0.27*	0.50**	0.48**	0.34**
	Ca				1.00	−0.44**	−0.41**	−0.73**	0.19	0.44**	−0.07
Phytic acid to minerals mole ratio	Fe					1.00	0.73**	0.62**	−0.48**	−0.27**	−0.19
	Zn						1.00	0.51**	−0.40**	−0.29**	−0.26*
	Ca							1.00	−0.21*	0.10	0.16
In-vitro starch digestibility									1.00	0.14	0.25*
Total protein content										1.00	0.64**
In-vitro protein digestibility											1.00

Values with single asterisk (*) and double asterisk (**) are significant at P level < 0.05 and P level < 0.01, respectively