دانلود مقاله ISI انگلیسی شماره 149358
کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
149358 2018 26 صفحه PDF سفارش دهید 7850 کلمه
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عنوان انگلیسی
Different Lactobacillus populations dominate in “Chorizo de León” manufacturing performed in different production plants
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Food Microbiology, Volume 70, April 2018, Pages 94-102

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چکیده انگلیسی

“Chorizo de Léon” is a high-value Spanish dry fermented sausage traditionally manufactured without the use of starter cultures, owing to the activity of a house-specific autochthonous microbiota that naturally contaminates the meat from the environment, the equipment and the raw materials. Lactic acid bacteria (particularly Lactobacillus) and coagulase-negative cocci (mainly Staphylococcus) have been reported as the most important bacterial groups regarding the organoleptic and safety properties of the dry fermented sausages. In this study, samples from raw minced meat to final products were taken from five different producers and the microbial diversity was investigated by high-throughput sequencing of 16S rRNA gene amplicons. The diverse microbial composition observed during the first stages of “Chorizo de Léon” evolved during ripening to a microbiota mainly composed by Lactobacillus in the final product. Oligotyping performed on 16S rRNA gene sequences of Lactobacillus and Staphylococcus populations revealed sub-genus level diversity within the different manufacturers, likely responsible of the characteristic organoleptic properties of the products from different companies.

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