Table 1. Studies on diet and neurochemical effects.

Sl No	Brain food	Active principle	Effect/function	References
1	Blueberries	flavonoids	Cognition, memory, and coordination	[197]
2	Fish	Omega-3 fatty acids (DHA and EPA)	Reduces amyloid pathology by 70% (mice)	[73]
3	Turmeric	curcumin	Antioxidant, anti-inflammatory, anti-amyloid	[186]
4	Green tea	EGCG (a polyphenol)	Antioxidant, anti-inflammatory	[142]
5	Red wine	resveratrol	Antioxidant, anti-inflammatory	[62]
6	Ginkgo biloba	flavonoids and terpenoids	Antioxidant	[198]
7	Tomato	Ferulic acid	Antioxidant	[199]
8	Amla	Vitamin C	Antioxidant	[200]
9	Meat	Vitamin E	Antioxidant	[27]
10	Fruits and vegetables	vitamin A (retinol)	Antioxidant	[27]