Citation
Kostadinović, Sanja and Stefova, Marina and Nikolova, Diana and Nedelcheva, Daniela and Martinez, Natalia and Lorenzo, Daniel and Dellacassa, Eduardo and Mirhosseini, Hamed
(2010)
Multivariate analysis discrimination of various cold-pressed lemon oils from different geographical regions.
Journal of Food, Agriculture and Environment, 8 (2).
pp. 117-121.
ISSN 1459-0255
Abstract
The main objective of present study was to investigate the influence of geographical region on the flavour compounds of various cold-pressed lemon
oils, i.e. Argentinean, Ivory Cost, Italian, Spanish and Uruguayan. Among the flavor compounds, the major volatile flavour compounds from different
chemical classes namely monoterpene hydrocarbons (i.e. limonene, sabinene plus β-pinene, γ-terpinene, myrcene, α-pinene and α-terpinolene),
esters (i.e. neryl acetate and geranyl acetate), alcohol (i.e. α-terpineol) and aldehyde compounds (i.e. geranial and neral) were composed of > 90% of
total volatile flavor compounds of target cold pressed lemon oils. Uruguayan essential oil had the least concentration level of all major classes of flavor
compounds except for alcohol compounds; while the highest content of all chemical classes of flavor compounds identified in this study. The
principle component analysis (PCA) allowed us to discriminate various cold-pressed lemon oil based on their origin resource, thereby classify their
sensorial attributes.
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