Effect of sugar reduction on flavour release and sensory perception in an orange juice soft drink model

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Tsitlakidou, P., Van Loey, A., Methven, L. and Elmore, S. orcid id iconORCID: https://orcid.org/0000-0002-2685-1773 (2019) Effect of sugar reduction on flavour release and sensory perception in an orange juice soft drink model. Food Chemistry, 284. pp. 125-132. ISSN 0308-8146 doi: 10.1016/j.foodchem.2019.01.070

Abstract/Summary

To examine the effect of sugar reduction on the sensory perception of sweetened beverages, an orange juice soft drink model flavoured with seven characteristic compounds (hexanal, decanal, linalool, ethyl butanoate, α-pinene, β-myrcene and (Z)-3-hexen-1-ol) was developed. Five samples were prepared with relevant sugar contents (5.2, 8.2, 9.7, 11.2 and 14.2 °Brix). Using retronasal quantitative descriptive analysis (QDA), nine attributes were found to differ significantly (p < 0.05) with sugar content. When the samples were evaluated orthonasally, only the attribute “overripe orange” significantly decreased (p < 0.05) with reduction of sugar content. Headspace solid-phase microextraction with gas chromatography–mass spectrometry showed that as sugar concentration decreased, the headspace concentration of six of the volatile compounds decreased, whilst ethyl butanoate remained constant. Principal component analysis revealed that the total release of the flavour compounds was highly correlated with the perceived intensity of the orthonasal attribute “overripe orange”.

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Item Type Article
URI https://reading-clone.eprints-hosting.org/id/eprint/82059
Identification Number/DOI 10.1016/j.foodchem.2019.01.070
Refereed Yes
Divisions Life Sciences > School of Chemistry, Food and Pharmacy > Department of Food and Nutritional Sciences > Food Research Group
Uncontrolled Keywords Orange flavour; sugar reduction; salting-out; sensory analysis; direct gas chromatography-olfactometry; headspace solid phase microextraction with gas chromatography-mass spectrometry; principal component analysis
Publisher Elsevier
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