Powder bath preparations having active ingredients from natural medicinal plants and their pretreated products

摘要

The invention relates to a process of powder for bath from natural plants. The process contains adding water into natural plants drugs in several times; extracting them by heating; combining the resulting solution and concentrating in vacuum; then drying by freezing in vacuum or spraying the concentration solution; finally the powder can be obtained. These active components of these natural plants can be reserved effectively in the powder for bath. The powder for bath has steady quality and can be stored in a long term. It is easy to be transported or carried and is suited to treating at home by medical bathing.