The present invention increases yield of the target fermented molecules by spray drying the fermentation broth and reducing the process volume to nearly one tenth the original. Thus, none of the target molecules are lost and requirements of the solvent and the other conventional method process equipments and process...

The present invention is related to an economical and eco friendly process of supercritical fluid extraction, for the extraction and purification of Vitamin K2-7 from the microbial fermentation broth, involving the sequential steps of (a) culturing and harvesting B. subtilis natto; (b) concentrating the broth conta...