Fortification of cassava starch with coconut residue: effects on flours’ functional properties and products’ (Tapioca meals) nutritional and sensory qualities
2022
Olalekan Jimi Adebowale | Oluwasegun Oluwagbenga Ajibode
Consumers are show interest in plant-based by-products due to their potential health-promoting properties. Coconut residue is food waste from coconut milk that is potentially rich in bioactive compounds, protein and dietary fibre. The effects of substituting cassava starch with coconut residue on the functional properties (bulk density, water absorption and swelling indexes), proximate composition, the energy value of flour, and sensory characteristics of tapioca grit's meal were studied. Cassava starch was mixed with coconut residue powder in five formulations that had 0, 10, 20, 30, and 40% of coconut residue powder, before being made into tapioca grits. The results showed that the bulk density, water absorption and swelling indexes decreased, whilst protein increased with the increasing addition of coconut residue. The colour of tapioca meals did not have any pronounced change in colour due to added coconut residue. Sensory results showed that tapioca samples fortified with 30% coconut residue was the most preferred with ranking in terms of aroma (8.7), overall acceptability (8.7) and willingness to buy (8.6) compared to other samples. Fortifying cassava starch with food waste like coconut residue improved the protein and fibre contents, and enhanced value addition and food product (tapioca meal) sensory quality.
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