Infrared Spectroscopy for Complex Mixtures：Applications in Food and Traditional Chinese Medicine

Itisgenerallynotsafetodrawaconclusionfromincompletedata，whichisrightforanalyticalchemistry.Moreinformationconcerningunknownsamplesisavailable，moreaccurateassessmentscanbeacquired.Forcomplexmixtures，suchaspharmaceuticals，foodstuff，materials，biologicalsamplesandsoforth，whichthedailyanalyticalchemistrycopeswith，itusuallyrequiresdemandinganalyticalmethodsandcostsalargenumberoflabor，timeandmoneytoobtainedcompleteinformationconcerningeverycomponent.Ontheotherhand，mixturesamplesmaybeincorrectlydeterminedifonlyinformationconcerningseveralcomponentsisprovidedbysimpleanalyticalproceduresandtheothercomponentsarenottakenintoaccount.Isthereacompromisebetweenlaboriousmethodsrequiredforcompleteinformationandeasymethodsleadingtoinaccurateconclusionsinmixtureanalysis?