Plant-derived neuroprotective compounds and nanoformulations targeting Parkinson's disease: a semi-systematic review of mechanisms and therapeutic potential. - Saraswathi S; Venkataravanappa JT; Nambiar C; Saji S; Kori V; Murthy MN; Somanna P; Sv SB; Sreeramulu AK; Dayalan A; Mohan SP; Murthy CDS (Metabolic brain disease, 2026)