Journal
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
Volume 100, Issue 11, Pages 4075-4082Publisher
WILEY
DOI: 10.1002/jsfa.9796
Keywords
polyphenols; ancient wheat; modern wheat; antioxidant proprieties; cell proliferation; wound healing
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BACKGROUND The gastrointestinal tract establishes a barrier between the external and internal compartments. When this barrier is disrupted, an inflammatory cascade promotes intestinal inflammation and the development of several intestinal diseases. Plant-derived polyphenols are health-promoting phytochemicals with a role in the regulation of the intestinal barrier and in the prevention of intestinal inflammatory diseases. Modern wheat-breeding programs have been focused primarily on yield improvement rather than nutritional and functional proprieties. Research that aims to characterize the phytochemical profile of wheat varieties and their healthy proprieties could therefore provide new prospects for the genetic improvement of the genusTriticum. In the present work, the effects of phenolic compounds extracted from nine soft and seven durum wheat varieties were studied for their polyphenol content and antioxidant activity. Experiments were conducted to study their effects on cell proliferation and wound healing in three different cell lines: mouse fibroblasts (L929), intestinal human cells (Caco2), and human monocytes (U937). RESULTS Discriminant analysis evidenced differences between soft and durum wheat phenolic compounds. Among the soft varieties, it was possible to identify clusters in which ancient wheat varieties showed different properties from modern ones, whereas no evident clusters were detected among durum varieties. CONCLUSION Taken together, these results suggest that the selection of specific wheat grains based on their nutritional parameters will help in the design of diets with protective effects against chronic and inflammatory diseases. (c) 2019 Society of Chemical Industry
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