the relative efficacies of various test substances were; essential oil of fresh rhizome> essential oil of dry rhizome > ethanol oleoresin of fresh rhizome >ethanol oleoresin of dry rhizome > BHT > BHA >control.
the relative efficacies of various test substances were; essential oil of fresh rhizome> essential oil of dry rhizome > ethanol oleoresin of fresh rhizome >ethanol oleoresin of dry rhizome > BHT > BHA >control.