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The acid hydrolysis of native corn starch at 35°C was monitored during 15 days. After this time, the residual solids were about 37.0±3.0%. First-order kinetics described the hydrolysis data, giving a constant rate of k H =0.18±0.012days −1 . Amylose content presented a sharp decrement of about 85% and X-ray diffraction results indicated a gradual increase in crystallinity during the...
Plantain native starch was hydrolysed with sulphuric acid for twenty days. Hydrolysis kinetics was described by a logistic function, with a zero-order rate during the first seven days, followed by a slower kinetics dynamics at longer times. X-ray diffraction results revealed a that gradual increase in crystallinity occurred during the first seven days, followed by a decrease to values similar to those...
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