Pomegranate peel was obtained from two main fac- tories in Saveh city, Iran, using similar pomegranate varieties and processing methods.
Sun-dried peel was extracted at 1 g PP/ml of water.
The peel was soaked in tap water at 40 1C for 72 h in a closed tank.
To maximize the extraction of plant secondary metabolites from the PP, the tank was incubated in a water bath at 40 1C for one hour. The contents, then, were immediately filtered by metal mesh extraction and the filtrate was stored at 4 1C
for further use.