Abstract
The study was carried out to elucidate the suitability and utilization of malted African breadfruit (Treculia africana) seed flour in snack bars production. Malted African breadfruit seeds, maize and coconut were processed to flour and evaluated of their proximate composition, phytochemical composition and particle sizes. Six (6) products were developed from the flour blends in the respective ratio of 0:95:5 (T0), 20:75:5 (T20), 25:70:5 (T25), 30:65:5 (T30), 35:60:5 (T35) and 95:0:5 (T95). Soluble dietary fibre (SDF = 5.15 – 3.15%) decreased while insoluble (IDF = 7.23 – 19.23%) and total dietary fibre (TDF = 12.33 – 22.39%) increased significantly (p<0.05) with increasing malted African breadfruit inclusion. In vitro glycemic index (IVGI) and starch digestibility (IVSD) decreased significantly (p<0.05) from 57.30 – 45.65% and 57.48 – 31.44% respectively, with increasing substitution of malted African breadfruit seed flour. A negative correlation was observed between the TDF and IVGI content of the snack bars. In vitro protein digestibility ranged from 68.19 to 87.45%. With reference to standard classifications, the formulated malted African breadfruit seed based snack bars could be referred to as ‘high fibre’ and ‘low glycemic’ foods, and may have positive health benefit to the consumers, especially the diabetics and those interested in weight management.
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