New glycoprotein extracted from Croton mongue seeds as an antineoplastic and antimetastatic agent

摘要

The invention relates to an antineoplastic and antimetastatic agent which consists of monguin, a glycoprotein extracted from Croton mongue, of molecular weight 9000, whose ultraviolet spectrum exhibits two absorption maxima at 280 nm and 228 nm and whose amino acid and sugar composition is as follows: <IMAGE>