Fig. 2From: Ancestral Peruvian ethnic fermented beverage “Chicha” based on purple corn (Zea mays L.): unraveling the health-relevant functional benefitsMap of the Arequipa region. a Geographical location of Arequipa in relation to Peru. b Chicha sampling zones in the Arequipa province, denoted as Z1 (Arequipa), Z2 (Characato), Z3 (Socabaya), Z4 (Chiguata), and Z5 (Uchumayo). Adapted from [11,12,13]Back to article page