Journal
JOURNAL OF CEREAL SCIENCE
Volume 63, Issue -, Pages 122-127Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jcs.2015.03.005
Keywords
Anthocyanin; beta-amylase; Carotenoid; Tocal
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The diploid wild wheats Triticum monococcum ssp. thaoudar and Triticum urartu are the direct ancestors of all domesticated wheats, but almost nothing is known about the chemical composition of their kernels. Aim of this research was to assess their content in several compositional traits and to compare it with that of domesticated wheats. To this end, fifteen diploid, tetraploid and hexaploid accessions belonging to different Triticum species were tested for 1000 kernel weight, protein, ash and starch content, beta-amylase activity, carotenoid, tocol, anthocyanin and polyphenol concentration. The wild einkoms had high protein (21.7 +/- 0.74 g/100 g), ash (3.0 +/- 0.06 g/100 g), tocol (75.1 +/- 3.95 mg/kg), carotenoid (8.0 +/- 0.91 mg/kg) and anthocyanin (43.0 +/- 4.66 mg/kg) content, and low beta-amylase activity (20.2 +/- 0.84 B3U/g). T. urartu instead coupled high protein (28.0 +/- 0.07 g/100 g), ash (3.3 +/- 0.03 g/100 g) and tocol (63.9 +/- 2.91 g/100 g) content with low carotenoid (2.7 +/- 0.02 g/100 g) and high beta-amylase (57.7 +/- 0.11 g/100 g) levels. These results fit well with those observed in the derived wheats, i.e. domesticated and feral einkorn on one side and emmer, durum, spelt and bread wheat on the other. Several positive nutritional traits present in the diploid wild species were not lost during the transition from wild to domesticated forms. (C) 2015 Elsevier Ltd. All rights reserved.
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