Journal
EUROPEAN FOOD RESEARCH AND TECHNOLOGY
Volume 211, Issue 3, Pages 222-228Publisher
SPRINGER
DOI: 10.1007/s002170050028
Keywords
virgin olive oil; volatiles; sensory defects; winey-vinegary; flavour
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Winey-vinegary sensory defect was evaluated in virgin olive oil samples from a sensory and chemical point of view. Qualitative and quantitative differences were found in the profile of volatiles of extra-virgin olive oil samples without sensory defects and samples with high intensities of winey-vinegary sensory attribute. Several volatile compounds were found to be correlated to winey-vinegary sensory defect in virgin olive oils, acetic acid and ethyl acetate having correlation coefficients of 0.98 and 0.94 respectively. A synthetic sample was obtained with the sensory characteristics of the winey defect. Samples with low values of winey sensory defect were also studied and the evaluation of the presence of the defect using the content of four volatile compounds only was demonstrated.
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