Preparation of mulberry dried leaves and
leaf extracts
Mulberry (Morus albaL. Polish variety:wielkolistna zolwinska)
leaves were collected from the experimental plant farm (Institute of Natural Fibers and Medicinal Plants, Poznan, Poland).
The leaves (50 kg) were dried in a convection dryer (Rational
CCC 61/02, Germany) at 60 °C for 6 h and powdered (0.8