GI Science and Latest Emerging Research | GI Foundation

The glycemic index or GI, is a numerical ranking that provides a good indication of how fast the body is going to digest, absorb, and metabolise carb foods. Home/GIFactsandResearch /GIScienceandLatestEmergingResearchGIScienceandLatestEmergingResearchAlowGIdietcouldbebeneficialformanagingorpreventinganumberofhealthconditions.ONTHISPAGEThescienceofGIFirstinlowGIresearchWhatisthefoodinsulinindex?ResearchActivitiesInternationalCarbohydrateQualityConsortiumFurtherreadingPRINT,DOWNLOAD,SHAREThescienceofGITheglycemicindex,orGI,wasdiscoveredinCanadain1981byProfessorDavidJenkins.Hisresearchledtothefirstpapereverpublishedontheglycemicindex,whichappearedintheAmericanJournalofClinicalNutritionthatsameyear.Aswellasprovidinganinsightintothewaycarbohydratesinfoodaffectbloodglucoselevels,GIhasalsochallengedthemyththatsugarsandsugaryfoodsareworseforbloodglucoselevelsthanstarchesandstarchyfoods.ThescienceofGIisconstantlyevolving.ScientistsarenowseeingthatalowGIdietcouldbebeneficialformanagingorpreventingotherhealthconditionssuchascognitiveperformance,skinhealth,reducingtheriskofsomecancers,improvingeyehealth,aswellasmanaginggestationaldiabetesandthesymptomsofpolycysticovarysyndrome.FirstinlowGIresearchIn1995TheSydneyUniversityGlycemicIndexResearchService(SUGiRS)wasestablishedtoprovideareliablecommercialGItestinglaboratory.Foodsamplesaretestedinhealthyvolunteersaccordingtostandardisedmethodsthathavebeenvalidatedagainstoverseaslaboratories.Testingoffoodsfortheirglycemicindex,insulinindex,satietyresponse,andothermetabolicparameterscanbeassessedsimultaneously.Otheranalysessuchasinvitrostarchdigestionassaysareavailable.SUGiRShasanestablishedreputationforquality,speedandflexibility.TheGlycemicIndexFoundationwasestablishedin2001inAustralia,withtheGISymbolprogramlaunchedin2002tohelpconsumersidentifytheGIoffoods.FoodsthatcarrytheSymbolareguaranteedtohavebeenproperlytestedbyanaccreditedlaboratoryusingtheinternationalstandardandmeetnutritionalcriteriainlinewithInternationalDietaryGuidelines–toproveitisahealthychoice.Thereisconvincingevidencefromalargebodyofresearchthatlowglycemicindex/glycemicload(GI/GL)dietsreducetheriskoftype2diabetesandcoronaryheartdisease,helpcontrolbloodglucoseinpeoplewithdiabetes,andmayalsohelpwithweightmanagement.GlycemicIndex,GlycemicLoadandGlycemicResponse:AnInternationalScientificConsensesSummitWhatisthefoodinsulinindex?TheglycemicindexorGI,isanumericalrankingthatprovidesagoodindicationofhowfastthebodyisgoingtodigest,absorb,andmetabolisecarbfoods.However,thisisnotalwaysproportionaltotheinsulinresponsetoafood.Whenourbloodglucoselevelsrise,ourpancreasreleasesinsulin(ahormone)thatdrivestheglucoseoutofourbloodstreamandintoourbody’scellswhereourbodycanuseitasanimmediatesourceofenergyorstoreitasglycogen.Somefoodsneedmoreinsulintohelputilisethem,whileotherfoodsneedmuchless.Anothermeasurethatcanbeofuseisthefoodinsulinindex(FII)whichscientistsatTheUniversityofSydneyhavebeenresearchingforalmost20years.TheFIIlooksathowmuchinsulinthebodynormallyreleasesinresponsetoawholefoodormeal–notonlyinrelationtothecarbohydratecontent,butalsothequantityandqualityoftheproteinandfatitcontains.InarecentstudyintheAmericanJournalofClinicalNutrition,UniversityofSydneyresearchersfoundthattheFIImaybeanadditionaltoolforpeoplewithtype2diabetestohelpthemreducepostprandialhyperinsulinemiaandimproveinsulinresistanceandbetacellfunction.Herearesometipstohelppeoplewithdiabetesachievethat:Balancemealswithsomecarbs,leanproteinandplentyofsaladorvegetablesasallfoodsstimulatesomeinsulinresponse.OptforlowerFIIcarbohydratessuchaspastaandnoodlesoverhigherFIIonessuchasmostwhitericesandregularcouscouswhenitcomestoputtingstarchycarbohydratesonthedinnerplate.Choosehigherfibre,lessprocessedbreadsandcereals,suchasdensegrainybreadandtraditionalporridgeoats.Snackonfruitandnon-starchyvegetablesastheyarelowFIIandpackedwithvitaminsandminerals.Chooseleancutsofredmeat,chickenorfishandteamthemwithlotsofnon-starchyvegand/orsalad.ProcessedmeatslikebaconandsausagesmayhavealowerFII,buttheirhighsaturatedfatcontentmakesthemamuchlesshealthychoice.Informationcourtesyofwww.glycemicindex.com(September2017)ResearchActivitiesTheGlycemicIndexFoundation(GIF)istheworldauthorityontheglycemicindex(GI),itshealthbenefitsandhowitcanbeusedtoguideyourfoodchoices.WedothisbyinvestinginresearchtobetterunderstandtheGlycemicIndexandassociatedhealthbenefitsoflowGIeatingandLowGLdiets.ThefollowingareresearchprojectssupportedbytheFoundation:ChangesindietaryglycemicindexandglycemicloadinAustralianadultsfrom1995to2012Australianshaveusedtheglycemicindex(GI)since1995;however,therearenodataonchangesincarbohydratequalityovertime.TheaimofthestudywastocompareaveragedietaryGIandglycemicload(GL),andcontributingcarbohydratefoods,inthetwomostrecentnationaldietarysurveys.AlthoughtheaveragedietaryGIandGLdeclinedbetween1995and,trendsinspecificcarbohydratefoodssuggestthatAustraliansareavoidingpotatoesandsugarybeveragesinfavourofagreatervarietyofcarbohydratefoods,particularlycerealproducts.VIEWSTUDYStudy:Low-GIdietlowersbloodglucoseindiabetesPeoplewithtype1ortype2diabeteswhofollowedalow-glycemicdiethadasmallyetclinicallymeaningfulreductioninbloodglucoselevels,aswellasreductionsinfastingglucose,bodyweight,low-densitylipoproteincholesterolandC-reactiveproteinlevels,comparedwiththosewhofollowedahigh-glycemicdiet.ThefindingspublishedinTheBMJalsoshowedthatthepositiveeffectsofalow-GIdietamongdiabetespatientsremainedconsistentoverandabovetheirexistingdrugorinsulintreatments.VIEWSTUDYDietaryGlycaemicIndexLabelling:AGlobalPerspectiveAtpresent,fewcountriesregulatetheinclusionofGIonfoodlabelseventhoughtheinformationmayassistconsumerstomanagebloodglucoselevels.Inconsistenciesinfoodregulationaroundtheworldundermineconsumerandhealthprofessionalconfidenceandcallforharmonisation.GlobalprovisionsforGIclaims/endorsementsinfoodstandardcodeswouldbeinthebestinterestsofpeoplewithdiabetesandthoseatrisk.ThisimportantpaperwasaglobaleffortseekinginputanddirectionfromleadingauthoritiesinGIresearch,testingandlabelling.VIEWSTUDYDietaryglycaemicindexandglycaemicloadamongAustralianadults–resultsfromthe2011-2012AustralianHealthSurveyThisstudyaimedtodeterminethemajorfoodgroupscontributingtodietaryglycaemicload(GL).Plausiblefoodintakedatacollectedusingamultiple-pass24hourrecallfromaweightedsampleof6326adultrespondents(52%male)ofthe2011-2012AustralianHealthSurveydataset(AHS)wereanalysed.Themean(SD)dietaryGIandGLwas54(7)and135(59)respectivelyandthetopthreecontributorstodietaryGLwerebreads(14.4%),cereal-baseddishes(10.3%)andbreakfastcereals(readytoeat)(6.6%).ThereweresmallbutsignificantdifferencesintheGLcontributionpatternbetweenthesexes.ThefindingsindicatethattheaveragedietaryGIofAustralianadultsissimilartothatofotherpopulationgroups,withalargeproportionofstarchyandenergy-densenutrient-poorfoodsthatcontributetoahighGL.VIEWSTUDYPreventionofDiabetesinEuropeandWorldwideTheaimofthestudyistodeterminetheimpactofahighprotein,lowglycemicindexdietincombinationwithphysicalactivityontheincidenceoftypetwodiabetesinoverweightchildrenandadults.ProfessorJennieBrand-MillerisleadingtheworkprogramresponsibleforcommunicatingandexploitingthefindingsofPREVIEWtoconvertnewknowledgeintostrategiestoreducetheriskofdiabetes,includingweb-basedlifestyleinterventionsforthepublicandcollaborationsbetweenfoodindustryandhealthprofessionalsondevelopmentofinnovativeproductsandingredients.VIEWSTUDYDietaryglycaemicindexandglycaemicloadamongAustralianchildrenandadolescents:resultsfromthe2011-2012AustralianHealthSurveyThisstudyaimedtoexaminethedietaryglycaemicindex(GI)andglycaemicload(GL)ofAustralianchildrenandadolescents,aswellasthemajorfoodgroupscontributingtoGL,intherecent2011-2012AustralianHealthSurvey.Thepaperconcludedthat,AustralianchildrenandadolescentsappeartoconsumedietswithalowerGIthanEuropeanchildren.ExchanginghighGIfoodsforlowGIalternativeswithincoreandnon-corefoodsmayimprovedietqualityofAustralianchildrenandadolescents.VIEWSTUDYDiscoveryofalowerglycemicindexpotatoPotatoesareapopularsourceofdietarycarbohydrateworldwideandaregenerallyconsideredtobeahighglycemicindex(GI)food.Potatostarchcharacteristicsplayakeyroleindeterminingtheirrateofdigestionandresultingglycemicresponse.TheGlycaemicIndex(GI)statusofCarisma™potatoeswasestablishedinajointprojectbetweenSydneyUniversityandtheMitoloGroup.TheresearchwascarriedoutbyKaiLinEk,whileworkingintheFacultyofAgricultureandEnvironmentattheUniversityofSydney.TheresearchshowedthatCarisma™achievedthelowestGIcomparedtoanumberofpotatovarieties.Sincetheinitialresearch,furthertestingandresearchhascontinuedonCarisma™andotherpotatovarieties.VIEWSTUDYInternationalCarbohydrateQualityConsortiumTheInternationalCarbohydrateQualityConsortium(ICQC)isanon-profit,worldwideorganizationwhosemissionistosupport,summarizeanddisseminatethesciencearounddietarycarbohydrateandhealthwithafocusonqualityandtoharmonizetheworkofscientistsfromacademia,industryandgovernment.LEARNMOREFurtherreadingGlycaemicindex,glycaemicloadandcancerrisk:resultsfromtheprospectiveNutriNet-SantécohortBreakfastglycaemicindexandexercise:combinedeffectsonadolescents’cognitionGlycaemicindexandglycaemicloadofbreakfastpredictcognitivefunctionandmoodinschoolchildren:arandomisedcontrolledtrialAlowglycaemicindexbreakfastcerealpreferentiallypreventschildren’scognitiveperformancefromdecliningthroughoutthemorningTheinfluenceoftheglycaemicloadofbreakfastonthebehaviourofchildreninschoolDietandacne:areviewoftheevidenceGlycaemicindexandglycaemicloadinrelationtoriskofdiabetes-relatedcancers:ameta-analysisDietaryglycemicindexandglycemicloadandriskofcolorectalcancer:resultsfromtheEPIC-ItalystudyDietaryhyperglycemia,glycemicindexandmetabolicretinaldiseasesDoeseatingparticulardietsaltertheriskofage-relatedmaculardegenerationinusersoftheage-relatedeyediseasestudysupplements?Dietaryglycemicindexandtheriskofage-relatedmaculardegenerationRandomizedcontrolledtrialinvestigatingtheeffectsofalow–glycemicindexdietonpregnancyoutcomesinwomenathighriskofgestationaldiabetesmellitus:theGIbaby3studyCarbohydrates,glycemicindex,andpregnancyoutcomesingestationaldiabetesCanalow-glycemicindexdietreducetheneedforinsuliningestationaldiabetesmellitus?ArandomizedtrialAnisocaloriclowglycemicindexdietimprovesinsulinsensitivityinwomenwithpolycysticovarysyndromeDietarycompositioninthetreatmentofpolycysticovarysyndrome:asystematicreviewtoinformevidence-basedguidelinesBeneficialeffectsofahigh-protein,low-glycemic-loadhypocaloricdietinoverweightandobesewomenwithpolycysticovarysyndrome:arandomizedcontrolledinterventionstudyEffectofalowglycemicindexcomparedwithaconventionalhealthydietonpolycysticovarysyndromeForthelatestGIrelatednewsfromTheUniversityofSydneyCLICKHERESharethispagehttps://www.gisymbol.com/gi-science-and-latest-emerging-researchCopyLinkRecommendedforyouGLYCEMICINDEXLowGIexplained:WhatislowGI?LOWGIFOODSGIandcarbohydratesDIABETESWhyfollowalowGIdiet?HEALTHYLIVINGGIandweightmanagementTranslate»0closeWeusecookiestooptimiseourwebsiteandourservice.FunctionalFunctionalAlwaysactiveThetechnicalstorageoraccessisstrictlynecessaryforthelegitimatepurposeofenablingtheuseofaspecificserviceexplicitlyrequestedbythesubscriberoruser,orforthesolepurposeofcarryingoutthetransmissionofacommunicationoveranelectroniccommunicationsnetwork.PreferencesPreferencesThetechnicalstorageoraccessisnecessaryforthelegitimatepurposeofstoringpreferencesthatarenotrequestedbythesubscriberoruser.StatisticsStatisticsThetechnicalstorageoraccessthatisusedexclusivelyforstatisticalpurposes.Thetechnicalstorageoraccessthatisusedexclusivelyforanonymousstatisticalpurposes.Withoutasubpoena,voluntarycomplianceonthepartofyourInternetServiceProvider,oradditionalrecordsfromathirdparty,informationstoredorretrievedforthispurposealonecannotusuallybeusedtoidentifyyou.MarketingMarketingThetechnicalstorageoraccessisrequiredtocreateuserprofilestosendadvertising,ortotracktheuseronawebsiteoracrossseveralwebsitesforsimilarmarketingpurposes.ManageoptionsManagethirdpartiesManagevendorsReadmoreaboutthesepurposesAcceptcookiesFunctionalonlyViewpreferencesSavepreferencesViewpreferences{title}{title}{title}Manageconsent