@article{fdi:010092629, title = {{I}mprovement of iron and β-carotene bioaccessibility in complementary foods : biofortification of local crops with organic residual products and microorganisms}, author = {{T}hiam, {M}. and {D}iouf, {A}. and {I}card-{V}erni{\`e}re, {C}hrist{\`e}le and {A}vallone, {S}. and {N}diaye, {N}. {F}. and {D}e {S}ouza, {M}. {A}. and {M}{\'e}doc, {J}. {M}. and {I}dohou-{D}ossou, {N}. and {H}umblot, {C}hrist{\`e}le}, editor = {}, language = {{ENG}}, abstract = {{M}icronutrient deficiencies remain a great public health challenge worldwide with iron, zinc, and vitamin {A} being the most problematic. {I}t has been shown that biofortification through agronomic strategies can increase their micronutrient content, but data on the bioavailability remain limited. {I}n {S}enegal, consumption of cereals and legumes is high, and orange-fleshed sweet potato ({OFSP}), rich in beta-carotene, has been introduced a decade ago. {T}he objective of the present work was to assess the bioaccessibility of iron, zinc, and beta-carotene in local complementary foods prepared with millet, cowpea, and {OFSP} alone or in combination, produced using different agronomic biofortification strategies. {O}rganic residual products were used alone or in combination with microorganisms to produce the abovementioned crops that were used to prepare the complementary foods. {S}tatic in vitro digestion was performed to assess the bioaccessibility of the micronutrients, according to a harmonized protocol. {T}he two organic residual products had different effect, as the cow dung alone was inefficient to increase iron and zinc contents as well as their bioaccessibility in millet porridges. {H}owever, the use of poultry litter alone or in combination with microorganisms increased iron bioaccessibility in cooked cowpea (27%-29%) compared to the non-biofortified counterpart (9%). {S}urprisingly, bioaccessible beta-carotene was significantly higher (4.1%) in sample of mashed {OFSP} biofortified with the combination of the different agronomic strategies than in the others (1.4%-2.5%). {P}ortions (150 g) of porridge prepared from the three biofortified crops would cover up to 100% of the daily vitamin {A} requirements of children aged 6-23 months. {T}he use of a combination the most promising varieties of crops, together with the agronomic strategies, would be a complementary approach to sustainability limit micronutrient deficiencies in a context of monotonous diets.}, keywords = {agronomic biofortification ; bioaccessibility ; complementary foods ; micronutrient deficiencies ; {SENEGAL} ; {AFRIQUE} {SUBSAHARIENNE}}, booktitle = {}, journal = {{F}ood {S}cience and {N}utrition}, volume = {13}, numero = {1}, pages = {e4745 [11 p.]}, ISSN = {2048-7177}, year = {2025}, DOI = {10.1002/fsn3.4745}, URL = {https://www.documentation.ird.fr/hor/fdi:010092629}, }