Table 4.
Degermination Process a | Type of Mill | Milling Fractions b | Particle Sizes (µm) | FBs c (%) | References |
---|---|---|---|---|---|
TD | Experimental | #12 grits | 1680–2830 | 54 | [16] |
#7 grits | 2830–4000 | 42 | |||
#5 grits | >4000 | 15 | |||
special meal | <300 | 82 | [15] | ||
semi coarse meal d | 710–2000 | 35 | |||
super meal | 300–1400 | 15 | |||
TD | Industrial | small hominy grits | 1000–2000 | 22 | Present manuscript |
medium hominy grits | 2000–4000 | 12 | |||
flaking grits | >4000 | 6 | |||
small hominy grits | 2500–3000 | 48 | [17] | ||
medium hominy grits | 3000–4000 | 10 | |||
flaking grits | > 4000 | 12 | |||
fine flour | <300 | 52 | [18] | ||
coarse flour | 300–850 | 12 | |||
flaking grits | >4000 | 8 | |||
flour | 101 | [21] | |||
Meal | 29 | ||||
flaking grits | 14 | ||||
flour | 23 | [27] | |||
Meal | 10 | ||||
Grits | 9 | ||||
flour | 29 | [16] | |||
flaking grits | 8 | ||||
flour | 9 | [14] | |||
small grits | 17 | ||||
large grits | 8 | ||||
special meal | <300 | 24 | [15] | ||
super meal | 300–1400 | 1 | |||
flour | 21% > 180 | 15 | [20] | ||
superior meal | 31% > 500 | 12 | |||
extra meal | 76% > 500 | 4 | |||
flour | <500 | 93 | [28] | ||
grits | >500 | 6 | |||
endosperm | 30 | [29] | |||
corn meal | 23 | ||||
grits | 11 | ||||
DD | Industrial | maize flour | <315 | 50 | Present manuscript |
break meal | 315–500 µm | 17 | |||
pearl meal | 500–1000 µm | 13 | |||
maize flour | <350 µm | 61 | [17] | ||
break meal | 350–500 µm | 22 | |||
pearl meal | 500–800 µm | 15 | |||
maize flour | <500 µm | 37 | [11] | ||
pearl meal | 500–1000 µm | 11 | |||
maize flour | 141 | [30] | |||
cornmeal semolina | 60 |
a Degermination process: DD = dry degermination; TD = tempering degermination. b According to the terminology and information on the particle size reported by the authors. c Percentages of contamination are compared to the whole kernel before the milling process. d Coarse meal with some pericarp, tip cap and germ fragments.