The endosperm contains mainly starch and protein. About 60% to 70% of the protein in corn is in the endosperm. This is where distillers grains comes from (after the starch is fermented for ethanol).

Soybeans for May delivery fell 0.4%, to $10.08 1/4 a bushel. Focus of the Day: CBOT grain traders were tentative ahead of the Federal Reserve's rate decision. As expected, policymakers left ...