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  • Title: Bowman-Birk inhibitor concentrate reduces colon inflammation in mice with dextran sulfate sodium-induced ulcerative colitis.
    Author: Ware JH, Wan XS, Newberne P, Kennedy AR.
    Journal: Dig Dis Sci; 1999 May; 44(5):986-90. PubMed ID: 10235608.
    Abstract:
    Bowman-Birk inhibitor concentrate (BBIC) is a soybean extract enriched in the Bowman-Birk inhibitor, a protein protease inhibitor. The Bowman-Birk inhibitor can inhibit proteases released from inflammation mediating cells and suppress superoxide anion radical secretion from immunocytes. This study investigates the ability of Bowman-Birk inhibitor concentrate to inhibit colon inflammation in the dextran sulfate sodium model of ulcerative colitis, an inflammatory bowel disease. When compared to mice on a standard diet, mice given food supplemented with 0.5% BBIC during and after dextran sulfate sodium treatment showed suppression of three of four scored histopathological inflammation criteria (P < 0.01), total histopathological score (P < 0.01), a 15% lower mortality rate (P < 0.01), and a delayed onset of mortality. We conclude that dietary Bowman-Birk inhibitor concentrate can beneficially affect dextran sulfate sodium-treated mice and may be useful in the treatment of human inflammatory bowel diseases, particularly ulcerative colitis.
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