This study aimed to develop Fe-fortified instant Bose corn (IBC), a traditional Timorese food, as a strategy to address anemia among adolescent girls in Kupang, Indonesia. Instant corn and cowpea grits were made to shorten the preparation time with various times of soaking (IBC1=10 min; IBC2=15 min; IBC3=20 min) to select the best formula. The selected IBC was then fortified with NaFeEDTA·3H2O and nutrient content was evaluated. In the intervention study, a pre-post controlled trial was applied to 40 anemic adolescent girls aged 16∼19 years. Subjects with severe anemia (Hb=8.5∼10.4 g/dL) received the fortified selected IBC, whereas those with moderate anemia (Hb=10.5∼11.5 g/dL) received the unfortified selected IBC. A total of 100 g IBC were provided three times/week for 2 months. The hemoglobin and soluble transferrin receptor (sTfR) levels were measured at baseline and endline, respectively. IBC3 produced the highest acceptance level as compared to other formulas. The fortified IBC3 met 127.4% recommended dietary allowances for iron. Moreover, both fortified and unfortified IBC3 significantly increased the hemoglobin levels of adolescent girls with the higher improvement found in the group of fortified IBC3 (1.73±1.21 g/dL; P<0.05). However, the beneficial effects of the fortified IBC3 could not be observed on sTfR levels. Since the effect on Hb levels was significant with less effect, the intervention of IBC3 for only 2 months did not adequate to improve sTfR levels. Nevertheless, this study suggests that Fe-fortified IBC may be effective in preventing anemia among adolescent girls in Kupang, Indonesia.
Keywords: adolescent; anemia; fortification; hemoglobin; iron.
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