Abstract Title:

Antioxidant effects of gastrointestinal digested purple carrot extract on the human cells of colonic mucosa.

Abstract Source:

Food Chem. 2016 Jan 1 ;190:1069-77. Epub 2015 Jun 23. PMID: 26213078

Abstract Author(s):

Anna Olejnik, Joanna Rychlik, Marcin Kidoń, Janusz Czapski, Katarzyna Kowalska, Wojciech Juzwa, Mariola Olkowicz, Radosław Dembczyński, Mary Pat Moyer

Article Affiliation:

Anna Olejnik


Purple carrot (PC) is a potential dietary constituent, which represents a valuable source of antioxidants and can modulate the reactive oxygen species (ROS) level in the gastrointestinal tract. Antioxidant capacity of a PC extract subjected to digestion process simulated in the artificial alimentary tract, including the stomach, small intestine and colon, was analyzed in normal human cells of colon mucosa. Results indicated that the extract obtained upon passage through the gastrointestinal tract, which could come into contact with the colonic cells in situ, was less potent than the extract, which was not subjected to digestion process. Digested PC extract exhibited intracellular ROS-inhibitory capacity, with 1mg/mL showing the ROS clearance of 18.4%. A 20.7% reduction in oxidative DNA damage due to colon mucosa cells' treatment with digested PC extract was observed. These findings indicate that PC extract is capable of colonic cells' protection against the adverse effects of oxidative stress.

Study Type : Human In Vitro

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Sayer Ji
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