How long does perilla radix Saposhnikoviae cook?

Half an hour. Folium Perillae is prepared from Herba Schizonepetae, Herba Perillae, Radix Saposhnikoviae and Folium Menthae. Herba Schizonepetae, Radix Saposhnikoviae, Perilla frutescens and Folium Menthae should be washed and boiled in water for half an hour. Perilla frutescens is the tender leaf of Perilla frutescens, which has branches and is volatile. It is the representative drug of pungent-warming and exterior-relieving drugs, which has the effects of relieving exterior-relieving, dispelling cold, promoting qi circulation and detoxifying stomach, fish and crabs.