| abstract |
The present invention relates to a substance useful for γ-secretase inhibition, particularly treatment and / or prevention of Alzheimer's disease, a composition, agent for inhibiting γ-secretase or treatment and / or prevention of Alzheimer's disease containing the substance, Foods, beverages and food / beverage additives are provided. Treatment of gamma secretase, particularly treatment of Alzheimer's disease, comprising at least one or more of Kishuka, Kangju, Raikou, Humboui, Kujin, Clenpi, Kadanryu and Hakushu, especially Kishuka, Kangju or Raikou, especially Hishuka extract. Alternatively, a prophylactic composition, agent, food, beverage or food / beverage additive is provided. [Selection] Figure 1 |