Table 3. Particle size distribution of native starches and starches pretreated at 50% moisture content

Sample D10 (µm) D50 (µm) D90 (µm) Mean size (µm) Span
Corn 14.7±0.01 33.2±0.05 68.1±0.14 39.0±0.06 1.61±0.00
Corn (pretreated) 7.70±0.01 16.6±0.04 33.7±0.04 19.4±0.03 1.56±0.00
Potato 19.3±0.01 41.8±0.03 82.7±0.07 48.5±0.03 1.52±0.00
Potato (pretreated) 21.1±0.02 44.1±0.04 85.6±0.09 50.9±0.04 1.46±0.00
Sweet potato 12.2±0.01 26.8±0.03 54.0±0.06 31.2±0.03 1.56±0.00
Sweet potato (pretreated) 7.41±0.02 17.0±0.04 34.6±0.07 19.8±0.04 1.60±0.00
Tapioca 8.86±0.00 19.3±0.01 41.0±0.07 23.1±0.02 1.67±0.00
Tapioca (pretreated) 7.73±0.02 16.2±0.03 31.7±0.04 18.7±0.03 1.48±0.00
Wheat 14.1±0.16 36.3±0.34 83.4±0.56 44.8±0.36 1.91±0.01
Wheat (pretreated) 11.4±0.02 25.3±0.05 52.5±0.06 29.9±0.04 1.63±0.00
Waxy corn 14.9±0.01 33.7±0.04 69.9±0.09 39.7±0.04 1.63±0.00
Waxy corn (pretreated) 8.98±0.02 18.4±0.05 36.0±0.07 21.2±0.04 1.47±0.00