Abstract

Alzheimer's disease (AD) is a degenerative disease of the nervous system. Mainly presenting with neuropsychiatric symptoms such as progressive memory impairment, cognitive dysfunction, personality changes, and language disorders [1]. Also known as senile dementia, it is the leading cause of dementia in the elderly [2]. Involved in 60-80% of all reports of dementia [3]. As the global population ages, AD prevalence and mortality rates increase. It seriously affects the quality of life of the elderly and brings a heavy economic burden and severe social problems. The tea polyphenol epigallocatechin gallate (EGCG) has preventive and therapeutic effects on Alzheimer's disease by inhibiting the amyloid formation and aggregation, antioxidant, anti-inflammatory, metal chelating, binding cholinesterase, thereby reducing the degradation of acetylcholine, and repairing mitochondrial dysfunction. This article reviews the research on the mechanism of EGCG action on Alzheimer's disease.

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