The grasses aged about 1 year were handharvested and dried in sunlight. Then, only leaves were ground using a grinder to pass a 1 mm size screen and dried in an oven at 60 8C for 16 h prior to use.
The grasses aged about 1 year were handharvestedand dried in sunlight. Then, only leaves wereground using a grinder to pass a 1 mm size screen and driedin an oven at 60 8C for 16 h prior to use.