AI Article Synopsis
- Fresh sweet corn has a short shelf-life because of its moisture and sugar, but low temperature storage can help extend it.
- At low temperatures, sweet corn kernels had more soluble sugars and less starch, with a study identifying 1365 total metabolites and 607 differentially accumulated metabolites (DAMs) specific to low-temperature storage.
- The identified DAMs were mostly related to flavonoid biosynthesis, linoleic acid metabolism, and sphingolipid metabolism, providing insights into how storage conditions affect sweet corn’s chemical properties.
Article Abstract
Fresh sweet corn has a limited shelf-life due to its high moisture and high sugar content. Low temperature storage is an effective technique employed to extend the shelf-life. However, changes in the chemical composition of sweet corn kernels at low temperatures are not fully understood. In this study, kernels stored at low temperature exhibited higher levels of soluble sugars and lower starch content. In total, 1365 metabolites were characterized in sweet corn kernels. 593 and 308 differentially accumulated metabolites (DAMs) were identified in sweet corn kernels stored at normal and low temperature, respectively. 607 DAMs were identified at low temperature compare to normal temperature. DAMs were consistently enriched in flavonoid biosynthesis, linoleic acid metabolism and sphingolipid metabolism. Moreover, dozens of metabolites were identified as potential biomarkers for post-harvest storage effects in sweet corn. These results extend our knowledge of the dynamic changes in sweet corn kernels stored at low temperatures.
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| http://dx.doi.org/10.1016/j.foodchem.2023.137079 | DOI Listing |
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