Patent ID: 7919636

Claim:
A method for producing an ellagitannin composition, said method comprising the steps of: (a) preparing an ellagitannins solution, preparing an ellagitannins suspension, or extracting ellagitannins from pomegranate, from pomegranate arils, from pomegranate pulp, or from any combination thereof into an ellagitannins extract solution; (b) transferring ellagitannins from said ellagitannins solution, ellagitannins suspension, or ellagitannins extract solution onto a surface of a polymeric cross-linked adsorptive resin; (c) eluting with an eluant said ellagitannins from said resin surface forming an eluant ellagitannins solution; and (d) separating said eluant from said eluant ellagitannins solution to produce said ellagitannin composition; wherein the ellagitannins composition comprises punicalagin at a concentration of at least about 0.2% on a weight/weight basis.