Method of producing lactic acid by continuous fermentation

摘要

A method of producing lactic acid continuous fermentation including filtering a culture of polyploid yeast having a capacity to produce lactic acid through a porous membrane having an average pore size of not less than 0.01 mum and less than 1 mum, and recovering the product from the filtrate while the unfiltered liquid is retained in or returned to the culture and a fermentation feedstock is added to the culture.