Physical and chemical methods were used to recover starch and protein
from wet-milled corn fiber. A single milling of the fiber produced an
18% yield of mill starch. By separating the mill starch with a starch
table, 68% of this material was recovered as starch with a protein con
tamination of 0.66%. Milling increased fine fiber from 4.5% in the sta
rting material to 11.5% after a single grind. Successive additional mi
lling passes modestly increased the mill starch and fine fiber yields
with a corresponding decrease in the coarse fiber yield. Pretreatment
with combinations of lactic and sulfurous acids had only a small effec
t on the distribution and composition of the recovered fractions.