Evaluating uncertainty in sensory analysis. A case study of the panel of tasters of the Dão Regional Wine Commission

Metrological reliability in the sensory evaluation of products is fundamental importance ensuring comparability results. The issue uncertainties regarding measured data such contexts has led to new scientific approaches field analysis, which have become studies that seek compare results measurement and including wine. normative framework, ISO/IEC 17025:2017, replaces previous version 17025, published 2005, draws attention concept uncertainty, stating it should be considered by laboratories when assessing conformity quantifying risks arising decision-making processes. present work examines uncertainty its for interpretation from analyses, examining analysis tests related certification Designation Origin “Dão”, “Lafões” Geographical Indication “Terras do Dão”, carried out a panel composed 20 tasters Dão Regional Wine Commission, trained accredited standard NP 17025:2018. achieved conclusion presented different values determine attributes. respective made possible assess performance establish level risk (false accept, false reject statistical assumptions) decision rules used issuing statements conformity. In this study, methodology was an estimate applied wines Controlled Dão. This progress evolution day-to-day Commission tasting chamber enabling greater solidity opinions issued, line with requirements reference 17025: 2018.