[On the occurrence of theophylline in coffee].
D002110:Caffeine / Q000032:analysis; D002855:Chromatography, Thin Layer; D003069:Coffee / Q000032:analysis*; D013805:Theobromine / Q000032:analysis; D013806:Theophylline / Q000032:analysis*
D003069:Coffee; D002110:Caffeine; D013806:Theophylline; D013805:Theobromine
Uber das Vorkommen von Theophyllin in Kaffee.