The colonies did not demonstrate hemolysis, and were not able to ferment glucose, sucrose, maltose, and lactose.
en.wikipedia.org Common dissacharides, two monosaccharides joined together, are sucrose, maltose, and lactose.
en.wikipedia.org Naturally occurring ptyalin enzymes in the maker's saliva catalyses the breakdown of starch in the maize into maltose.
en.wikipedia.org This species is able to use sucrose, maltose, cellbiose, trehalose, raffinose, citrate, inositol ethanol, soluble starch, melezitose, xylitol, saccharate, salicin as well as many other compounds as sole carbon sources.
en.wikipedia.org