Species Origin of Milk in Italian Mozzarella and Greek Feta Cheese
Abstract:Several animal species such as cattle, goats, sheep, and water buffalo provide milk for dairy products. We describe a simple procedure for detecting the species origin of milk used for cheese production. DNA was isolated from Italian mozzarella or Greek feta by sequential organic extractions and resin purification. This DNA was analyzed by polymerase chain reaction-restriction fragment length polymorphism as described previously for meat samples. This procedure differentiated mozzarella made from water buffalo milk and from less expensive bovine milk and also feta cheeses made from bovine, ovine, and caprine milk.
Document Type: Short Communication
Affiliations: 1: Istituto di Ispezione degli Alimenti di Origine Animale, Perugia University, Via S. Costanzo, 06126 Perugia, Italy 2: Institute of Infectious Diseases and Immunology, Utrecht University, P.O. Box 80165, 3508 TD Utrecht, The Netherlands
Publication date: 2000-03-01
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