Producing edible residues from ethanol production
First Claim
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1. A method of producing irradiated edible residues, the method comprising:
- irradiating a feedstock comprising a cellulosic and/or lignocellulosic material with a dose of electron beam radiation sufficient to reduce the recalcitrance of the material;
bioprocessing the irradiated feedstock using a cellulolytic enzyme, wherein bioprocessing produces a sugar and edible residues; and
drying the edible residues and irradiating the edible residues with electron beam radiation, wherein the edible residues contain an antibiotic and the step of irradiating the edible residues is performed under conditions selected to inactivate or destroy the antibiotic.
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Abstract
Edible residues of ethanol production, e.g., distillers grains and solubles, are produced that are low in, or substantially free from, antibiotic residues. Antibiotics or bacteria present in edible residues resulting from ethanol production are inactivated by irradiating the edible residues.
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14 Claims
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1. A method of producing irradiated edible residues, the method comprising:
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irradiating a feedstock comprising a cellulosic and/or lignocellulosic material with a dose of electron beam radiation sufficient to reduce the recalcitrance of the material; bioprocessing the irradiated feedstock using a cellulolytic enzyme, wherein bioprocessing produces a sugar and edible residues; and drying the edible residues and irradiating the edible residues with electron beam radiation, wherein the edible residues contain an antibiotic and the step of irradiating the edible residues is performed under conditions selected to inactivate or destroy the antibiotic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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