DRIED PLANT TISSUE AND PLANT TISSUE EXTRACT FOR AMELIORATING CENTRAL NERVOUS SYSTEM DEGENERATIVE DISEASES ACCOMPANIED BY LEARNING/MEMORY DISORDERS, MOVEMENT DISORDERS AND THE LIKE, AND PHARMACEUTICAL AGENT AND FOOD COMPRISING THE SAME
PROBLEM TO BE SOLVED: To develop a dried plant tissue or a plant tissue extract having a nonconventional significant ameliorating effect on central nervous system degenerative diseases, particularly Alzheimer's disease and Parkinson's disease.SOLUTION: The present invention provides a dried plant tissue and a plant tissue extract each having a nonconventional significant anti-Alzheimer's disease activity and/or a nonconventional significant anti-Parkinson's disease activity. The present invention also provides a pharmaceutical agent and a food for ameliorating central nervous system degenerative diseases, particularly for enhancing the ability of acquiring, maintaining and recalling memory, which comprises the dried plant tissue or the plant tissue extract.【課題】本発明の課題は、中枢神経変性疾患、特にアルツハイマー病およびパーキンソン病の従来にない顕著な改善効果を有する乾燥植物組織または植物組織抽出物の開発である。【解決手段】本発明は、従来にない顕著な抗アルツハイマー病活性および/または抗パーキンソン病活性を有する乾燥植物組織および植物組織抽出物を提供する。本発明はまた、上記乾燥植物組織または植物組織抽出物を含有する、中枢神経変性疾患の改善、特に記憶の獲得、保持および想起能力を増強するための医薬品および食品も提供する。【選択図】図1A