Patent ID: 11939552
Assignee: NOVOZYMES A/S
Field: Chemical engineering (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 16:
17. A process of recovering oil, comprising:
(a) liquefying a starch-containing material into dextrins with a bacterial alpha-amylase at a temperature above the initial gelatinization temperature, wherein the starch-containing material comprises corn;
(b) saccharifying the dextrins using a glucoamylase to form a sugar;
(c) fermenting the sugar in a fermentation medium into ethanol using a yeast fermenting organism;
(d) recovering the fermentation product to form a whole stillage;
(e) separating the whole stillage into thin stillage and wet cake;
(e′) optionally concentrating the thin stillage into syrup; and
(f) recovering oil from the thin stillage and/or optionally the syrup, wherein a protease having at least 60% sequence identity to the amino acid sequence of SEQ ID NO: 4 is added during step (e).