Radix Gentianae

NamingLong Dan (Radix Gentianae)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of Long DanOriginThe root or rhizome of perennial herb Gentiana scabra Bge or Ctriflora pall or G. manshurica Kitag of family Gentianaceae.LocationAll over in China, mainly from Northeast China.HarvestDig and

NamingLong Dan (Radix Gentianae)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)The Processing of 龙胆OriginThe root or rhizome of perennial herb Gentiana scabra Bge or Ctriflora pall or G. manshurica Kitag of family Gentianaceae.LocationAll over in China, mainly from Northeast China.HarvestDig and colle