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자료유형
학술저널
저자정보
최설뢰 (대구가톨릭대학교) 안은영 (대구가톨릭대학교) 김은정 (대구가톨릭대학교)
저널정보
동아시아식생활학회 동아시아식생활학회지 東아시아 食生活學會誌 第28卷 第1號
발행연도
2018.2
수록면
47 - 55 (9page)
DOI
10.17495/easdl.2018.2.28.1.47

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Prolonged ulcerative colitis (UC) is a major risk factor of colorectal cancer (CRC) in human. Many epidemiological and experimental studies have reported that high protein diet (HPD) intake deteriorates the intestinal environment, which can lead to UC and CRC development. Moreover, we previously showed that feeding HPD dose dependently increased colonic tumor development in a chemical induced mouse colon carcinogenesis model. The mulberry tree (Morus alba L), which is distributed widely in east Asia, has a wide spectrum of biological activities including anti-inflammation and anti-carcinogenesis. In this study, we investigated whether the water extracts of mulberry root bark (MRB) and mulberry twig (MT) could ameliorate the level of colitis in HPD fed mice. Six week-old, male ICR mice were grouped into four groups: control (n=3), dextran sodium sulfate (DSS, n=6), DSS+MRB (n=6), and DSS+MT (n=6). All of the mice were fed HPD (50% casein/kg diet) for 4 weeks. On week 3 of the experimental period, mice in all except the control group, were administrated 3% DSS in drinking water for 5 days to induce colitis. At the same time, MRB (600 mg/kg body weight/day) and MT (5 g/kg body weight/day) was orally administered to mice in the MT and MRB group, respectively, for 5 days. The MRB and MT extracts significantly reduced the disease activity index, mucosal thickness, and level of plasma nitric oxide relative to the DSS group. Additionally, plasma IL-6 and colonic myeloperoxidase activities were significantly reduced by MT and MRB, respectively, compared to the DSS group. However, there were no significant differences in colon length, colon weight, and plasma tumor necrosis factor-α between the DSS and MRB or MT group. Taken together, these results suggest that MRB and MT water extracts can be developed as anti-colitis food components, especially when protein ingestion is increased in human.

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UCI(KEPA) : I410-ECN-0101-2018-594-001831767