YEAST EXTRACT HAVING PREVENTATIVE EFFECT AGAINST CATARACT

摘要

[Problem] To provide an agent for preventing, through an increase in the amount of reduced glutathione within the lens, cataract that progresses due to oxidative stress induced by ultraviolet irradiation or aging, diabetes, and prolonged use of steroids, etc. The present invention further addresses the problem of providing food and beverages, such as food and beverage products, health food products, functional food products, and dietary supplement products, which include said cataract preventative agent. [Solution] The present invention has shown that a yeast extract obtained by a simple method and having a GSH content of 15 mass% or more has an effect of increasing the amount of reduced glutathione within the lens.