PROBLEM TO BE SOLVED: To provide Monieroside A and a specific derivative thereof, or useful materials comprising them, such as pharmaceutical compositions, health foods, food additives, and supplements.SOLUTION: Bioactivities of Monieroside A and a specific derivative thereof, such as acetylcholine esterase inhibitory activity and AGEs (advanced glycation end products) production inhibitory activity, are applied for the industry fields such as cosmetics, food additives, supplements, health foods, and pharmaceuticals.SELECTED DRAWING: Figure 1