Lipid Peroxidation Associated with Accelerated Aging of Soybean Axes

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ID: 300106
1980
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Abstract
Soybean seeds age rapidly during storage at high temperature and high relative humidity. The axes of such aged seeds contain high levels of malondialdehyde, a product of the peroxidation of unsaturated fatty acids. The levels of linoleic (18:2) and linolenic (18:3) acids in a polar lipid (phospholipid) fraction decrease during aging and more dramatically during postaging deterioration. None of these changes occurred in seeds that have been stored at high temperature but low relative humidity. No superoxide dismutase activity was detected in any nonimbibed seed. In viable seeds, activity was detectable 1.5 hours after the onset of imbibition, but none was found in aged seeds up to 5 hours. It is suggested that aging leads to peroxidative changes to lipids and that these could contribute to loss of viability.
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openalex_W2092932820 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Robert R. Stewart, J. Derek Bewley
Journal Plant physiology and biochemistry : PPB
Year 1980
DOI
10.1104/pp.65.2.245
URL
https://academic.oup.com/plphys/article-pdf/65/2/245/35592007/plphys_v65_2_245.pdf
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