Abstract: Gastrodia elata, a precious traditional Chinese medicinal herb, has been widely utilized in the treatment of neurological disorders such as headaches, dizziness, insomnia, and epilepsy. Gastrodin and Gastrodia elata polysaccharides, two pivotal bioactive constituents derived from this herb, exhibit therapeutic efficacy in alleviating symptoms and improving outcomes in diverse neurological conditions and neural injuries. Neurodegenerative diseases, characterized by progressive degeneration and functional impairment of cells and tissues within the central nervous system, represent a significant global health burden. This article comprehensively reviews recent advances in understanding the mechanisms and therapeutic potential of gastrodin and Gastrodia elata polysaccharides across various neurodegenerative diseases. The aim is to provide a foundational reference for future clinical applications and mechanistic investigations of these bioactive components in the management of neurodegenerative pathologies.

Key words: Gastrodin, Gastrodia elata polysaccharides, neuroprotection, neurodegenerative diseases, Alzheimer disease, Parkinson disease

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