. 2016 Nov 18;8(11):732. doi: 10.3390/nu8110732

Table 5.

Ferritin concentration in Caco-2 cells exposed to samples on the tested staple crop only (whole seed), and the crop based diets.

	Cream Seeded Carioca Beans Study [17]	Black Beans Study [15]	Red Mottled Beans Study [11]	Pearl Millet Study [16]
Food Crop	Cream Seeded Carioca Beans Study [17]	Black Beans Study [15]	Red Mottled Beans Study [11]	Pearl Millet Study [16]
Ferritin (ng/mg of Protein)
Standard variety only	2.86 ± 0.14 b	2.31 ± 0.11 c	7.82 ± 0.75 d	1.22 ± 0.05 c
Fe Biofortified variety only	4.40 ± 0.14 a	2.19 ± 0.14 c	30.6 ± 2.08 a	2.61 ± 0.36 a
Standard variety based diet	1.96 ± 0.05 d	2.97 ± 0.10 b	11.2 ± 0.97 c	1.47 ± 0.27 bc
Fe Biofortified variety based diet	2.73 ± 0.23 bc	2.75 ± 0.09 b	15.7 ± 1.05 b	2.46 ± 0.13 a
Cell baseline ²	2.53 ± 0.07 c	3.28 ± 0.13 a	4.06 ± 0.37 e	1.54 ± 0.12 b

¹ Caco-2 bioassay procedures and preparations of the digested samples were previously described [11,15,16,17]; ² Cells were exposed to only MEM (minimal essential media) without added food digests and Fe; a,b: Within a column, means without a common letter are different, p < 0.05.