“…Currently, substances that have been studied to ameliorate memory loss include herbal extracts, fruit extracts, lecithin, polyunsaturated fatty acids, and peptides. [14][15][16][17][18] Among these, several studies have clarified that food-derived bioactive peptides have neuroprotective and cognitive-improvement functions. The most common sources of bioactive peptides include eggs, meat, fish, soybeans, wheat, milk, and their derivatives.…”