Significance and Use of Walnut: A Review

Persian Walnut. Photo from Piklist.com. Free to use.

This review summarises ethnobotanical use, pharmacology, nutritional value, preclinical and clinical studies, toxicity, other uses and current research prospects of Juglans regia L. (Walnut).

Walnut leaf has been found to possess the following properties of potential clinical significance:

  • Antimicrobial, antifungal and anti-viral.
  • Anti-inflammatory.
  • Antidiabetic.
  • Antityrosinase (against skin hyperpigmentation).
  • Anti-cancer

Walnut bark shares some of these properties but in particular, it is anthelmintic.

Walnut fruit (the nut) is antidepressant, antitrigliceridaemic, hepatoprotective, anti-amyloidogenic improves motor and cognitive performance.

Nael Abu Taha and Mohammed A. Al-wadaan (2021) Significance and use of walnut, Juglans regia Linn: A review. Advanced Journal of Microbiology Research ISSN 2736-1756Vol. 15 (1), pp. 001-010, January, 2021.