Lycium barbarum polysaccharides protect rat liver from non . Jul 22, 2013 Introduction. Non-alcoholic fatty liver disease (NAFLD) is a chronic metabolic liver disease that histologically resembles the alcohol-induced hepatic injury, but which is not from abuse of alcohol consumption (20 g per day). 1 In Western countries, NAFLD affects 2040% of the adult populations and has the potential to be ...