PROBLEM TO BE SOLVED: To provide a safe and more inexpensive brain function improving agent and food which are designed and processed so as to reveal a brain function improvement such as learning function improving effect and memorization power improving action for reducing the disease-causing risk accompanying the progress of ageing.SOLUTION: The brain function improving agent and foods having a brain function improving action which are characterised by having components in a fraction extracted from an yeast belonging to Saccharomyces, Candida, and Kluyveromyces as effective components, and further, determining the extraction conditions so that the components act well, are provided.COPYRIGHT: (C)2005,JPO&NCIPI【課題】高齢化の進行に伴い、病因リスクを軽減させる学習機能改善効果及び記憶力改善作用等、脳機能改善が生体に対して発現できるように設計し、加工された安全でより安価な脳機能改善剤および食品の提供が必要である。【解決手段】サッカロマイセス属、カンディダ属、クルイベロマイセス属に属する酵母抽出分画物中の成分を有効成分とし、更にその成分が作用するように抽出条件を定めたことを特徴とする脳機能改善作用を有する脳機能改善剤および食品の提供。【選択図】図1
