Abstract
Modified cassava flour (Mocaf) processing by fermentation produces liquid waste, which is expected to be a potential starch source. This study aims to show starch yield and physicochemical characteristics by advancing the waste from a single mocaf processing flow used in a small-scale industry using cassava var. Gajah to a new double processing flow called MocafTap (mocaf tapioca). Mocaf and starch yields were 18.15% and 4.20%, respectively. The starch yield is insignificantly different (p > 0.05) from the starch processed from fermented cassava. The starch meets the National Indonesian Standard for water content and carbohydrates but not ash and fibre content, which are significantly higher (p < 0.05). The physical characteristics of starch are insignificantly different (p > 0.05) from the starch of fermented cassava, i.e., bulk density 0.49 g/mL, wettability 10.39 second, water absorption capacity 0.87 g/g, oil absorption capacity 2.82 g/g, swelling power 23.41 g/g, solubility 23.33% db, and gelatinisation temperature 72.10 C. The cassava var. Gajah is unsuitable for mocaf production due to its low yield; however, considering the large yield (120 tonnes/ha) and the possibility of introducing a new processing line (MocafTap), the cassava var. Gajah still has potential as a candidate for mocaf production.
Published Version
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