Effect of dephytinization on bioavailability of iron, calcium and zinc from infant cereals assessed in the Caco-2 cell model

Table 4 Zinc retention, transport and uptake from infant cereals by Caco-2 cells

	Infant cereal	Zinc added (&mgr;g)	Solubility (%)	Retention (&mgr;g)	Retention (%)	Transport (&mgr;g)	Transport efficiency (%)	Uptake (&mgr;g)	Uptake efficiency (%)
- phytase	A	2.12	36.4 ± 7.1a	0.18 ± 0.08	8.5 ± 2b	1.88 ± 0.6	32.3 ± 3a,1	2.06 ± 0.8	35.4 ± 4.1a
	B	2.22	18.9 ± 3.8b	0.09 ± 0.01	4.05 ± 2c	0.5 ± 0.08	4.25 ± 1.1c	0.59 ± 0.6	5 ± 0.9d
	C	2.63	17 ± 1.9b	0.54 ± 0.1	20.53 ± 3.8a	0.62 ± 0.1	4 ± 0.8c	1.16 ± 0.4	7.5 ± 0.2c
	D	1.63	37.8 ± 6.2a,1	0.09 ± 0.01	5.5 ± 1.6c	0.71 ± 0.2	16.5 ± 0.3b	0.8 ± 0.4	18.6 ± 1.2b
+ phytase	A	2.12	46.9 ± 6.6	0.84 ± 0.2	22.2 ± 2.71	1.04 ± 0.5	23 ± 3.6	1.88 ± 0.9	41.6 ± 6.5
	B	2.22	18.92 ± 2.7	0.42 ± 0.1	18.92 ± 2.81	0.44 ± 0.2	3.74 ± 0.3	0.86 ± 0.2	7.3 ± 0.21
	C	2.63	27.3 ± 61	0.38 ± 0.1	14.45 ± 3.4	1.59 ± 0.6	16.5 ± 2.61	1.97 ± 0.8	20.4 ± 2.11
	D	1.63	21 ± 4.3	0.18 ± 0.03	61.3 ± 9.91	1.43 ± 0.4	18.4 ± 4.1	1.61 ± 0.2	20.7 ± 0.61