PROBLEM TO BE SOLVED: To provide a component having glucose metabolism improvement action and having an excellent flavor, and to provide food and drink and glucose metabolism improving agents comprising such a component.SOLUTION: A seed of a plant belonging to Moringa is subjected to extraction with a lower alcohol to obtain an extract of this invention.COPYRIGHT: (C)2015,JPO&INPIT【課題】糖代謝改善作用を有する、香味に優れた成分を提供し、ひいては斯かる成分を含有する飲食品および糖代謝改善剤を提供する。【解決手段】モリンガ属(ワサビノキ属)に属する植物の種子を低級アルコールで抽出して得られる抽出物。【選択図】なし