Table 1 Proximate and mineral composition of naked oat flours according to different particle sizes

Components Control Fractions of control
Fraction A (>250 μm) Fraction B (160-250 μm) Fraction C (<160 μm)
Moisture (%) 8.4±0.0c1) 8.9±0.2b 9.2±0.1b 9.6±0.0a
Crude protein (%) 15.7±0.3b 16.6±0.0a 15.8±0.2b 14.6±0.1c
Crude lipid (%) 10.0±0.2a 10.4±0.4a 9.8±0.4ab 9.6±0.1b
Crude ash (%) 1.8±0.0b 2.0±0.1a 1.6±0.0c 1.4±0.0d
Mineral (mg%) K 311.0±1.3b 317.3±0.1a 307.9±1.6c 246.8±0.8d
Ca 65.5±0.4a 65.4±0.2a 64.9±0.2a 50.9±0.4b
Fe 6.0±0.0c 6.2±0.0b 6.3±0.0a 5.1±0.0c
Na 5.7±0.0b 6.2±0.1a 5.6±0.0c 4.3±0.0d
Mg 132.7±0.6a 133.7±0.8a 133.7±0.6a 102.2±0.3b
Mn 5.6±0.0a 5.6±0.0a 5.6±0.0a 4.7±0.0b
Zn 2.8±0.0b 2.8±0.0b 3.1±0.0a 2.5±0.0c
Cu 0.5±0.0c 0.5±0.0c 0.9±0.0a 0.7±0.0b
Total 529.9±2.4b 537.8±1.3a 528.0±2.5b 417.2±1.6c
Values are mean±SD (n=3). Means with different superscript small letters in the same row are significantly different by Duncan’s multiple test (p<0.05).