Potential Relevance of Amazonian Diet Components in Parkinson's Disease: An Integrative Review with Multivariate Analysis
Abstract
Dietary patterns increasingly influence research on neurodegenerative diseases, with attention shifting from isolated nutrients to integrative nutritional models. The Amazonian Diet, a biodiversity-based dietary pattern rich in native fruits, seeds, freshwater fish, and cassava-derived foods, is naturally enriched in bioactive compounds including polyphenols, anthocyanins, carotenoids, methylxanthines, selenium, vitamins, and unsaturated fatty acids. This review aimed to investigate the potential relevance of key foods derived from the Amazonian Diet to Parkinson's disease (PD) by integrating compositional nutritional analysis, multivariate analytical approaches, and mechanistic evidence synthesis. In Stage 1, the composition of 36 Amazonian foods was analyzed using TBCA and FAO data, followed by hierarchical clustering analysis (Ward's linkage, Euclidean distance). Distinct compositional patterns were identified, highlighting foods with high bioactive diversity, relevant lipid composition, and dietary fiber. In Stage 2, an integrative literature review (PubMed/MEDLINE, SciELO) of in vitro, in vivo, observational, and clinical studies suggested that açaí berry, guaraná, cocoa/cacao, camu-camu, and Brazil nuts contain nutrients and bioactive compounds that intersect with biological pathways implicated in PD, including oxidative stress, mitochondrial dysfunction, and neuroinflammation. However, this review does not evaluate the effects of the Amazonian Diet on PD incidence,…
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