Abstract：
:Determination of metabolic alterations in apples induced by such processes as different crop protection strategies or storage, are of interest to assess correlations with fruit quality or fruit disorders. Preliminary results proposed the metabolic discrimination of apples from organic (BIO), integrated (IP) and low-input (LI) production. To determine contributions of temporal metabolic developments and to define the type of metabolic changes during storage, 1H high resolution-magic angle spinning (HR-MAS) NMR spectroscopy of apple pulp was performed before and after two time points of controlled atmosphere storage. Statistical analysis revealed similar metabolic changes over time for IP-, LI- and BIO-samples, mainly decreasing lipid and sucrose, and increasing fructose, glucose and acetaldehyde levels, which are potential contributors to fruit aroma. Across the production systems, BIO apples had consistently higher levels of fructose and monomeric phenolic compounds but lower levels of condensed polyphenols than LI and IP apples, while the remaining metabolites assimilated.
journal_name
Food Chemjournal_title
Food chemistryauthors
Vermathen M,Marzorati M,Diserens G,Baumgartner D,Good C,Gasser F,Vermathen Pdoi
10.1016/j.foodchem.2017.04.089subject
Has Abstractpub_date
2017-10-15 00:00:00pages
391-400eissn
0308-8146issn
1873-7072pii
S0308-8146(17)30665-9journal_volume
233pub_type
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