Podophyllum

(pod-o-fil’ -um) [ttovq, foot; /\/\ov, leaf ]. The May-apple or mandrake, P. peltatum, of the natural order Berberidese. • The rhizome and roots (P., U. S. P., B. P.) contain an active resin, podophyllin (Resina podophylli, U. S. P.), podophyllotoxin (C23- H2409 + 2H20), having properties similar to those of the resin; picropodophyllin, a derivative of podophyllotoxin; and podophylloquercetin. P. is used in medicine as a laxative in chronic constipation and as a cathartic in hepatic congestion and bilious fever. Dose of the resin (Podophylli resina, B. P.), gr. %- ^(0.008—0.03); of podophyllotoxin, gr. %— Yi (0.016-0.03). Extractum podophylli (U. S. P.), dose gr. j-v (0.065-0.32). Extractum podophylli fluidum (U. S. P.),TT\/ij-xx (o. 13- 1.3). Tinctura podophylli (B. P.),n\xv-f3J (1.0-4.0). 508