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Article Publish Status: FREE
Abstract Title:

Punicic Acid and Its Role in the Prevention of Neurological Disorders: A Review.

Abstract Source:

Foods. 2022 Jan 18 ;11(3). Epub 2022 Jan 18. PMID: 35159404

Abstract Author(s):

Claudia M Guerra-Vázquez, Mariana Martínez-Ávila, Daniel Guajardo-Flores, Marilena Antunes-Ricardo

Article Affiliation:

Claudia M Guerra-Vázquez

Abstract:

Millions of people worldwide are affected by neurodegenerative diseases (NDs). NDs are characterized by progressive damage and death of nerve cells accompanied by high levels of inflammatory biomarkers and oxidative stress conditions. Punicic acid, the main bioactive component of pomegranate () seed oil, is an omega-5 isomer of conjugatedα-linoleic acid that has shown strong anti-oxidative and anti-inflammatory effects that contributes towards its positive effect against a wide arrange of diseases. Punicic acid decreases oxidative damage and inflammation by increasing the expression of peroxisome proliferator-activated receptors. In addition, it can reduce beta-amyloid deposits formation and tau hyperphosphorylation by increasing the expression of GLUT4 protein and the inhibition of calpain hyperactivation. Microencapsulated pomegranate, with high levels of punicic acid, increases antioxidant PON1 activity in HDL. Likewise, encapsulated pomegranate formulations with high levels of punicic acid have shown an increase in the antioxidant PON1 activity in HDL. Because of the limited brain permeability of punicic acid, diverse delivery formulations have been developed to enhance the biological activity of punicic acid in thebrain, diminishing neurological disorders symptoms. Punicic acid is an important nutraceutical compound in the prevention and treatment of neurodegenerative diseases such as Alzheimer's, Parkinson's, and Huntington's disease.

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