title: Free and bound water in crude drugs: effect of extraction method on subsequent analysis by GLC.
mesh_terms: D000045:Acacia / Q000032:analysis; D001114:Areca / Q000032:analysis; D001532:Atropa belladonna / Q000032:analysis; D002400:Cathartics / Q000032:analysis; D002626:Chemistry, Pharmaceutical; D002849:Chromatography, Gas; D003079:Colchicum / Q000032:analysis; D007486:Ipecac / Q000032:analysis; D008722:Methods; D010368:Pectins / Q000032:analysis; D004364:Pharmaceutical Preparations / Q000032:analysis*; D010936:Plant Extracts / Q000032:analysis; D010946:Plants, Medicinal / Q000032:analysis*; D010947:Plants, Toxic; D011035:Podophyllum / Q000032:analysis; D012116:Resins, Plant / Q000032:analysis; D013331:Strychnine / Q000032:analysis; D014867:Water / Q000032:analysis* / Q000302:isolation & purification
chemical_list: D002400:Cathartics; D004364:Pharmaceutical Preparations; D010936:Plant Extracts; D012116:Resins, Plant; D014867:Water; D007486:Ipecac; D010368:Pectins; D013331:Strychnine