The present invention relates to a composition for preventing, ameliorating or treating a bowel disease, comprising galactomannan and/or arabinogalactan； a liquid food for preventing, ameliorating or treating a bowel disease, characterized in that the liquid food comprises a protein and galactomannan and/or arabinogalactan； and a composition for preventing, ameliorating or treating an irritable bowel syndrome, comprising degraded galactomannan.本發明係關於一種含有半乳糖甘露聚糖及/或阿拉伯半乳糖膠而成之腸疾病的預防、改善或治療用組合物，以含有蛋白質與半乳糖甘露聚糖及/或阿拉伯半乳糖膠為特徵的腸疾病之預防、改善或治療用流動食品，以及含有半乳糖甘露聚糖分解物而成之過敏性腸症候群之預防、改善或治療用組合物。
