ASTM E1909-1997(2003) 感官特征时间强度评价的标准指南
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【英文标准名称】:StandardGuideforTime-IntensityEvaluationofSensoryAttributes
【原文标准名称】:感官特征时间强度评价的标准指南
【标准号】:ASTME1909-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E18.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:感官
【英文主题词】:sensory
【摘要】:Thepurposeoftime-intensitymeasurementsistoestablishthepatternofdevelopmentanddeclineofaparticularsensorycharacteristicunderstudy.T-Ievaluationsareapplicablewhenmeasurementsatasingletimepoint(anaveragingprocess)arenotsufficienttodistinguishproductsthathaveverydifferenttemporalcharacteristics.AspointedoutbyLeeandPangborn(1)3,x201C;Thisaveragingprocessresultsinthemaskingorcompletelossofimportantinformationsuchasrateofonsetofstimulation,timeanddurationofmaximumintensity,rateofdecayofperceivedintensity,timeofextinction,andtotaldurationoftheentireprocess.x201D;Productsratedsimilarlyusingtraditionalsinglepointtechniquesofproductprofilingmayprovideverydifferenttemporalsensoryexperiencestotheconsumer.Acceptabilityoftheproductmaybeaffected,andtraditionaldescriptivemethodologydoesnotreflectthechangesinanattributersquo;intensityovertime.T-Ihasapplicationsforavarietyofproducts.Examplesinclude:foodproducts,rangingfromshort-termsweetnessinabeveragetolong-termelasticityinchewinggum;personalcareproducts,measuringthedevelopmentandlongevityofshampoolatherandtheresidualskinfeelofaskincream;householdcareproducts,monitoringtheintensityofscentsovertime;pharmaceuticals,monitoringskincoolingafterapplicationofatopicalanalgesic.AuditorysignalsorvisualchangesinproductscanalsobeevaluatedbytheT-Itechnique.1.1Thisguidecoversproceduresforconductingandanalyzingtime-intensity(T-I)evaluationsofproductsorothersensorystimuli.Time-intensityisthemeasurementoftheintensityofasinglesensorysensationovertimeinresponsetoasingleexposuretoaproductorothersensorystimulus.1.2Thisguideutilizesaspeciallytrainedpaneltomeasuretheintensityofasinglecontinuoussensationduringthetimefrominitialexposure:1.2.1Toitsextinction,1.2.2Toaspecifiedintensity,or1.2.3Toapredeterminedlimitoftime.1.3Applicationsnotcoveredinthisguideincludemeasuring:1.3.1Multiplesensations,1.3.2Multipleexposureswithinasinglemeasurement,and1.3.3Qualitativeorhedonicchangesintheperceivedsensation.1.4Thisguideincludesprotocolsfortheselectionandtrainingofjudges,descriptionsanduseofphysicaldatacollectiondevices,andmethodsofdatahandling,summarization,andstatisticalanalysis.Illustrationoftwodifferentdatahandlingandanalysisapproachesareincludedintheappendixes.1.5Thisguideisnotapplicabletomeasureproductshelflifeorstabilitythatrequireevaluationsatdiscretetimeintervals.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q04
【国际标准分类号】:67_240
【页数】:15P.;A4
【正文语种】:
【原文标准名称】:感官特征时间强度评价的标准指南
【标准号】:ASTME1909-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E18.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:感官
【英文主题词】:sensory
【摘要】:Thepurposeoftime-intensitymeasurementsistoestablishthepatternofdevelopmentanddeclineofaparticularsensorycharacteristicunderstudy.T-Ievaluationsareapplicablewhenmeasurementsatasingletimepoint(anaveragingprocess)arenotsufficienttodistinguishproductsthathaveverydifferenttemporalcharacteristics.AspointedoutbyLeeandPangborn(1)3,x201C;Thisaveragingprocessresultsinthemaskingorcompletelossofimportantinformationsuchasrateofonsetofstimulation,timeanddurationofmaximumintensity,rateofdecayofperceivedintensity,timeofextinction,andtotaldurationoftheentireprocess.x201D;Productsratedsimilarlyusingtraditionalsinglepointtechniquesofproductprofilingmayprovideverydifferenttemporalsensoryexperiencestotheconsumer.Acceptabilityoftheproductmaybeaffected,andtraditionaldescriptivemethodologydoesnotreflectthechangesinanattributersquo;intensityovertime.T-Ihasapplicationsforavarietyofproducts.Examplesinclude:foodproducts,rangingfromshort-termsweetnessinabeveragetolong-termelasticityinchewinggum;personalcareproducts,measuringthedevelopmentandlongevityofshampoolatherandtheresidualskinfeelofaskincream;householdcareproducts,monitoringtheintensityofscentsovertime;pharmaceuticals,monitoringskincoolingafterapplicationofatopicalanalgesic.AuditorysignalsorvisualchangesinproductscanalsobeevaluatedbytheT-Itechnique.1.1Thisguidecoversproceduresforconductingandanalyzingtime-intensity(T-I)evaluationsofproductsorothersensorystimuli.Time-intensityisthemeasurementoftheintensityofasinglesensorysensationovertimeinresponsetoasingleexposuretoaproductorothersensorystimulus.1.2Thisguideutilizesaspeciallytrainedpaneltomeasuretheintensityofasinglecontinuoussensationduringthetimefrominitialexposure:1.2.1Toitsextinction,1.2.2Toaspecifiedintensity,or1.2.3Toapredeterminedlimitoftime.1.3Applicationsnotcoveredinthisguideincludemeasuring:1.3.1Multiplesensations,1.3.2Multipleexposureswithinasinglemeasurement,and1.3.3Qualitativeorhedonicchangesintheperceivedsensation.1.4Thisguideincludesprotocolsfortheselectionandtrainingofjudges,descriptionsanduseofphysicaldatacollectiondevices,andmethodsofdatahandling,summarization,andstatisticalanalysis.Illustrationoftwodifferentdatahandlingandanalysisapproachesareincludedintheappendixes.1.5Thisguideisnotapplicabletomeasureproductshelflifeorstabilitythatrequireevaluationsatdiscretetimeintervals.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q04
【国际标准分类号】:67_240
【页数】:15P.;A4
【正文语种】:
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