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Title: Changes in chemical wax composition of three different apple (Malus domestica Borkh.) cultivars during storage
Authors: Veraverbeke, EA ×
Lammertyn, Jeroen
Saevels, Stijn
Nicolai, Bart #
Issue Date: Dec-2001
Publisher: Elsevier science bv
Series Title: Postharvest biology and technology vol:23 issue:3 pages:197-208
Abstract: The effects of year. picking date and storage conditions on the chemical composition of the wax layer of three apple cultivars ('Jonagold'. 'Jonagored' and 'Elstar') were investigated by means of GCMS and multivariate statistical techniques. Wax of apples with different surface characteristics also differed in chemical composition. Controlled atmosphere (CA) storage and subsequent shelf life affected wax properties and caused changes in the chemical composition. especially during shelf life. The changes in wax composition of 'Elstar', however. were smaller than those in 'Jonagold' and 'Jonagored', possibly associated with lower diffusion resistance and more limited structural changes of 'Elstar' wax. Longer CA storage periods accelerated the changes in wax composition during subsequent shelf life. The components responsible for the changes were mainly the alkane and ester fractions. The secondary alcohol nonacosan-10-ol was particularly important in explaining the changes in wax composition of 'Jonagold' during shelf life and its presence could be linked with greater development of greasiness. (C) 2001 Elsevier Science B.V. All rights reserved.
URI: 
ISSN: 0925-5214
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Mechatronics, Biostatistics and Sensors (MeBioS)
× corresponding author
# (joint) last author

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