The object of the present invention is to provide a novel glycation reaction inhibitor. The saccharification reaction inhibitor of the present invention contains one or two kinds selected from the group consisting of eucalyptus wasabi, indigo fruit, honeysuckle, pseudo-American mint, Ligularia grandiflora, euphorium oleracea, root vegetable, hibiscus, and Brazilian buffet. The above plant extracts are used as active ingredients.本發明之課題在於提供一種新穎糖化反應抑制劑。本發明之糖化反應抑制劑含有選自由西洋山葵、藍靛果忍冬、擬美國薄荷、大頭橐吾、直立委陵菜、扯根菜、木槿及巴西羊蹄甲所組成之植物群中之1種或2種以上之植物之萃取物作為有效成分。
