Journal
FOOD CHEMISTRY
Volume 196, Issue -, Pages 236-241Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2015.09.046
Keywords
Chemical composition; Jasmonic acid; Jasmonic acid carboxyl methyltransferase; Methyl jasmonate; Soybean (Glycine max L.)
Funding
- KRIBB Research Initiative Program
- National Research Foundation of Korea (NRF) - MEST [20110028162]
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Transgenic overexpression of the Arabidopsis gene for jasmonic acid carboxyl methyltransferase (AtJMT) is involved in regulating jasmonate-related plant responses. To examine its role in the compositional profile of soybean (Glycine max), we compared the seeds from field-grown plants that over-express AtJMT with those of the non-transgenic, wild-type (WT) counterpart. Our analysis of chemical compositions included proximates, amino acids, fatty acids, isoflavones, and antinutrients. Overexpression of AtJMT in the seeds resulted in decreased amounts of tryptophan, palmitic acid, linolenic acid, and stachyose, but increased levels of gadoleic acid and genistein. In particular, seeds from the transgenic soybeans contained 120.0-130.5% more genistein and 60.5-82.1% less stachyose than the WT. A separate evaluation of ingredient values showed that all were within the reference ranges reported for commercially available soybeans, thereby demonstrating the substantial equivalence of these transgenic and non-transgenic seeds. (C) 2015 Elsevier Ltd. All rights reserved.
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