Dayok is a Philippine condiment originating from the islands of Visayas and Mindanao in the Philippines. It is made from fish entrails (usually from yellowfin tuna), excluding the heart and the bile sac. It is fermented with salt, and sometimes rice wine (pangasi) and various herbs. It has a sharp umami and salty flavor very similar to patis (fish sauce) and bagoong. They are sold in sealed glass bottles.[1][2][3][4]
^Reyes, Cid; Cordero- Fernando, Gilda (1991). Kusina: What's Cooking in the Philippines, Volume 1. Quezon City: Larawan Books. p. 170.
^Banaay, Charina Gracia B.; Balolong, Marilen P.; Elegado, Francisco B. (2013). "Lactic Acid Bacteria in Philippine Traditional Fermented Foods". In Kongo, Marcelino (ed.). Lactic Acid Bacteria: R&D for Food, Health and Livestock Purposes. InTech. pp. 572–573. ISBN9789535109556.
^Fernandez, Doreen; Alegre, Edilberto N. (1989). LASA: A Guide to 100 Restaurants. Urban Food Foundation. pp. 29–39.
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