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Pulsed electric fields (PEF) assisted acetylation of cassava starch with a higher degree of substitution (DS) of 0.131 was obtained in the presence of 10% (w/w) acetic anhydride after PEF treatment at 2 kV/cm for 51.0 ms. Fourier-transformed infrared spectroscopy showed a characteristic peak of the acetyl group in modified starch at 1730 cm−1. The crystalline region of acetylated starch was destroyed...
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