AdultdietarycarotenoidintakeestimatesandDeterminationofvalue[Abstract]ObjectiveToevaluatethedifferencesbetweenU.S.carotenoidcompositiondatatoestimatedietarycarotenoidintakelevelandtheDeterminationofdietarycarotenoidintakedataandthecorrelationmethodusingpairsofricelawandsaidqualityrecordslaw,inthefourseasonsofsummer,autumn,winterandspring,thesurveyof18430to60-year-oldresidentsofthedifferentcommunitiesinconsecutive3ddietaryfoodcompositiondatatoestablishtheβ-carotene,@-carotene,betacryptoxanthin,lycopene,luteinzeaxanthinfivecarotenoidfoodcompositiontabletocalculatethedailyintakeof5carotenoids.Meanwhile,theDeterminationofthecontentofcarotenoidsinthedietsamples.Resultsobtainedintwoways,summer,autumn,winterandspring4aseasonofdietaryβ-carotene,@-carotene,lycopeneintakessignificantdifference(t=0.17~1.68,P>0.05)inadditiontotheautumn,summer,winterandspring,βcryptoxanthinintakesignificantlydifferent(t=2.35~8.51,P<0.05).4season,thetwo1groupofluteinzeaxanthinintakelevelsweresignificantlydifferent(t=3.24~3.93,P<0.05).Determinationofwaterofthetwogroupsoffivecarotenoidsaveragethereisasignificantcorrelation(r=0.45~1.00,P<0.05).conclusiontotheU.S.foodcompositiondatatoestimatedietarycarotenoidintakeandDeterminationofvalueisveryclose,toborrowtheU.S.foodcompositiondatashowthatthecasenotyetbeenestablishedChinesefoodcarotenoidcompositiondatatoestimateChinesedietarycarotenoidintakeismorereliable.[CarotenoidintakeofdietarysurveybyHPLC[ABSTRACT]ObjectiveToevaluatetheaccuracyoftheestimatedandcalculateddietarycarotenoidintakesofadultswiththeUScarotenoiddatabase.MethodsThisstudyconsistedof184subjects,age30-60years,(84malesand100females)fromvariouscommunitiesforadietaryinvestigation,inwhichthedietsofcontinuousthreedayswererecordedinsummer,autumn,winterandspringinayear.Thedietaryrecordswereusedtocalculateintakesofcarotenoids(βcarotene,@carotene,βcryptoxanthin,lycopene,andlutein/zeaxanthin),2basedonAmericancarotenoiddatabase.Meanwhile,the3daydietarysamplesfromthedietaryinvestigationwereanalyzedbyHPLCforcarotenoidcontents,andanalyzedvalues&#8203;&#8203;ofdietarycarotenoidintakeswerethusobtained.Twokindsofcarotenoidintakevalues&#8203;&#8203;werecomparedstatistically.ResultsTherewasnosignificantdifferencebetweencalculatedandanalyzedvalues&#8203;&#8203;ofβcarotene,@caroteneandlycopeneintakesinthefourseasonsduringayear(t=0.17-1.68,P>0.05).Thetwokindsofintakevalues&#8203;&#8203;ofβcryptoxanthininsummer,winter,springweredifferentsignificantly(t=2.35-8.51,P<0.05).Forintakesoflutein/zeaxanthin,thedifferencesoftwokindsofvalues&#8203;&#8203;existedineveryseasonoftheyear(t=3.24-3.93,P<0.05).Theintakevalues&#8203;&#8203;fromcalculationandHPLCanalysiswerecorrelatedonallfivecarotenoidsandinthefourseasons(r=0.45-1.00,P<0.05).ConclusionDietarycarotenoidintakesofadultsestimatedwiththeUSfoodcarotenoiddatabaseweremuchsimilartothosevalues3&#8203;&#8203;fromHPLCanalysis,indicatingthefeasibilityofevaluatingcarotenoidintakesofadultsbasedontheUScarotenoiddatabasebeforetheChina’sfoodcarotenoiddatabaseissetup.[KEYWORDS]carotenoids;intake;dietarysurvey;HPLCCarotenoidsaretheplant-derivedfat-solublepigment,abundantinfruitsandvegetablescaneffectivelyquenchingsingletoxygenandfreeradicals[1],asanantioxidanttoreducetheriskofcardiovasculardiseaseandotherchronicdiseases[2]notyetChinesefoodcarotenoidcompositiontables[3],cannotcar...