TYR and Alzheimer disease: It has also been shown to have anti-allergic, anti-diabetic, anti-inflammatory, antimicrobial, and anti-tyrosinase activity, and has also been linked to the protection against Alzheimer’s Disease (AD) (Panichayupakaranant et al. 2010; Kar et al. 2011; Kerimi et al. 2017; Nirwana 2018; Suman and Bhatnagar 2019; Zehra et al. 2019).