The black cohosh powdered extract (1 kg) was re-extracted three times over a one-week period using 10 L of MeOH. The extracts were evaporated under reduced pressure to afford a residue (200 g).
The black cohosh powderedextract (1 kg) was re-extracted three times over a one-weekperiod using 10 L of MeOH. The extracts were evaporatedunder reduced pressure to afford a residue (200 g).