"Milk kefir: composition, microbial cultures, biological activities, and related products". Kefir is an acidic-alcoholic fermented milk product with little acidic taste and creamy consistency that was originated in the Balkans, in Eastern Europe, and in the Caucasus (Fontán et al., 2006; Serafini et al., 2014). Frontiers in Microbiology. 30 Ekim 2015. 12 Kasım 2020 tarihinde kaynağından arşivlendi. Erişim tarihi: 22 Ekim 2020.
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"Milk kefir: composition, microbial cultures, biological activities, and related products". Kefir is an acidic-alcoholic fermented milk product with little acidic taste and creamy consistency that was originated in the Balkans, in Eastern Europe, and in the Caucasus (Fontán et al., 2006; Serafini et al., 2014). Frontiers in Microbiology. 30 Ekim 2015. 12 Kasım 2020 tarihinde kaynağından arşivlendi. Erişim tarihi: 22 Ekim 2020.
