Ito T, Maeda T, Goto K, et al. (2014) Enzyme-treated asparagus extract promotes expression of heat shock protein and exerts antistress effects. J. Food Sci. 79: 413-419.
Ito T, Maeda T, Sato A, et al. (2014) Toxicological assesment of enzyme-treated asparagus extract in rat acute and subchronic oral toxicity studies and genotoxicity tests. Regul. Toxicol. Pharmacol. 68: 240-249.
Ito T, Goto K, Takanri J, et al. (2014) Effects of enzyme-treated asparagus extract on heat shock protein 70, stress indices, and sleep in healthy adult men. J. Nutr. Sci. Vitaminol. 60: 283-290.
Takanari J, Nakahigashi J, Sato A et al. (2016) Effect of Enzyme-Treated Asparagus Extract (ETAS) on psychological stress in healthy individuals. J. Nutr. Sci. Vitaminol. In press.