Escin IA is a prodrug and its structure can be converted to desacylescin I by human intestinal bacteria and Lactobacillus brevis., desacylescin I as a biotransformation product shows potentially inhibitory effects on mouse tumor, and a potential candidate for anti tumor agents. Escin IA has anti-TNBC metastasis activity, and its action mechanisms involved inhibition of EMT process by down-regulating LOXL2 expression.