公开(公告)号：US20200248208A1

公开(公告)日：2020-08-06

申请号：US15774519

申请日：2016-11-14

Applicant: Novozymes A/S

Inventor： Michael G. Catlett ,  Jennifer Headman ,  Shiro Fukuyama

IPC: C12P7/10 ,  C12N9/34 ,  C12N9/30

Abstract: The present invention provides in a process of producing ethanol from starch-containing material comprising: (a) saccharifying the starch-containing material; and (b) fermenting using a fermentation organism; wherein saccharification and/or fermentation is done in the presence of at least a glucoamyl ase and optionally an alpha-amylase; the fermenting organism is Saacaromyces cerevisiae; and wherein a glucoamylase and/or an alpha-amylase is expressed from the fermenting organism. Further the invention provides yeast strains specifically developed for the process of the invention.