METHOD FOR OBTAINING MAIZE GUM FROM RESIDUAL LIQUID RESULTING FROM MAIZE GRAIN NIXTAMALIZATION.

摘要

Described herein is a process for obtaining maize gum that comprises the following steps: (a) providing a nejayote solution from flour and tortilla industrial residues and other industrial sectors where maize grains are nixtamalized; (b) filtering said nejayote suspension so as to separate maize grain residues and obtain a filtered liquid nejayote; (c) centrifuging the filtered liquid nejayote for removing suspended polluting residues and obtaining a centrifuged liquid nejayote; (d) acidifying the nejayote to a pH of about 5 so as to stop the alkaline hydrolysis of the gum suspended on the nejayote and obtain an acidified liquid nejayote suspension; (e) precipitating the maize gum suspended on the acidified nejayote by adding ethanol; and (f) recuperating the precipitated maize gum by filtration and drying the precipitated gum using solvents.