Method of production of lactic acid through simultaneous saccharification and cofermentation from sweet potato

摘要

The present invention relates to a sweet potato ( Ipomoeabatatas The present invention relates to a method for producing lactic acid by simultaneous saccharification and fermentation (SSF) using biomass as sweet potato ( Ipomoeabatatas A mixture of a saccharifying enzyme in which α-amylase and amyloglucosidase are mixed with biomass as a biomass, a mixture of yeast extract and peptone as a nitrogen source, and a lactic acid fermentation strain The simultaneous saccharification and fermentation process carried out with the addition of Lactobacillusparacasei LA104 or Lactobacilluscoryniformis ATCC 25600 can efficiently produce L- or D-lactic acid Therefore, the simultaneous saccharification and fermentation process can be usefully used as a process for producing lactic acid at a high concentration from sweet potato.