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Bacteriobiota and Chemical Changes during the Ripening of Traditional Fermented “Pirot ‘Ironed’ Sausage”

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2023
Bacteriobiota_and_Chemical_pub_2023.pdf (2.134Mb)
Authors
Bogdanović, Svetlana
Stanković, Slaviša
Berić, Tanja
Tomasevic, Igor
Heinz, Volker
Terjung, Nino
Dimkić, Ivica
Article (Published version)
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Abstract
“Pirot ‘ironed’ sausage“ (Pis) is a traditional, fermented sausage, made from different types of meat (beef and chevon), without additives or starter cultures. The physical–chemical properties (pH, water activity, fats, moisture, and protein contents) were examined in the initial meat batter stuffing and during ripening. Total bacterial diversity was examined at different time points using both culturable (traditional) and non-culturable (NGS sequencing) approaches. During the ripening, a decrease in pH value, aw, and moisture content was observed, as well as an increase in protein and fat content. At least a two-fold significant decrease was noted for colorimetric values during the ripening period. The dominance of Proteobacteria and Firmicutes was observed in the non-culturable approach in all studied samples. During the ripening process, an increase in Firmicutes (from 33.5% to 63.5%) with a decrease in Proteobacteria (from 65.4% to 22.3%) was observed. The bacterial genera that wer...e dominant throughout the ripening process were Lactobacillus, Photobacterium, Leuconostoc, Weissella, and Lactococcus, while Carnobacterium, Brochothrix, and Acinetobacter were found also, but in negligible abundance. Among the culturable bacteria, Latilactobacillus sakei (Lactobacillus sakei) and Leuconostoc mesenteoides were present in all stages of ripening. © 2023 by the authors.

Keywords:
“Pirot ‘ironed’ sausage” / bacteriobiota / chemical analysis / colorimetric characteristics / metabarcoding analysis / textural parameters / traditional manufacturing
Source:
Foods, 2023, 12, 3
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200178 (University of Belgrade, Faculty of Biology) (RS-200178)

DOI: 10.3390/foods12030664

ISSN: 2304-8158

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URI
http://aspace.agrif.bg.ac.rs/handle/123456789/6288
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Poljoprivredni fakultet

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