Use of microbore high-performance liquid chromatography for the determination of caffeine, theobromine and theophylline in cocoa.
D002099:Cacao / Q000032:analysis*; D002110:Caffeine / Q000032:analysis*; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D013805:Theobromine / Q000032:analysis*; D013806:Theophylline / Q000032:analysis*
D002110:Caffeine; D013806:Theophylline; D013805:Theobromine