Preparation method of Ganxi carnosic acid A_Kain Industrial Additive

overview[1] carnosic acid a is a rare water-soluble and highly biologically active substance that currently only exists in sage. preparation method[1] a method for preparing carnosic acid a by hydrolyzing and converting salvianolic acid b, which is characterized by including the following process steps: a. base-catalyzed hydrolysis take 500g of salvianolic acid b solid, slowly…