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We have recently reported that phytosteryl ferulates isolated from rice bran inhibit nuclear factor-kappaB (NF-kappaB) activity in macrophages. In the present study, we investigated the effect of gamma-oryzanol (gamma-ORZ), a mixture of phytosteryl ferulates, cycloartenyl ferulate (CAF), one of the components of gamma-ORZ, and ferulic acid (FA), a possible metabolite of gamma-ORZ in vivo, on a model of colitis in mice.
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