Hardaliye is a lactic acid fermented beverage produced from grapes, crushed mustard seeds, sour cherry leaves, and benzoic acid. It is an indigenous drink of the Trakya region of Turkey in southeastern Europe.
A 2013 study showed that the ingestion of hardaliye had an antioxidant effect in adults.
- Yalcin Gucer; Halide Aydogdu; Tunay Durgun (2009). "A Traditional Thracian Beverage; "Hardaliye"" (PDF). Trakia Journal of Sciences. 7 (Suppl. 2): 208–210. Retrieved May 25, 2013.
- Halide Aydoğdu; Şafak Yıldırım; A. Kadir Halkman; Tunay Durgun (2014). "A Study On Production And Quality Criteria Of Hardaliye; A Traditional Drink From Thrace Region Of Turkey". GIDA. 39 (3): 139–145. Retrieved June 14, 2015.
- Amoutzopoulos, Birdem; Löker, Gül B; Samur, Gülhan; Çevikkalp, Senem A; Yaman, Mustafa; Köse, Timur; Pelvan, Ebru (November 2013). "Effects of a traditional fermented grape-based drink 'hardaliye' on antioxidant status of healthy adults: a randomized controlled clinical trial". Journal of the Science of Food and Agriculture. 93 (14): 3604–3610. doi:10.1002/jsfa.6158. PMID 23553618.