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Diversity of mycoflora on the surface of dry- fermented sausages produced in various climatic regions in Croatia (CROSBI ID 718844)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Lešić, Tina ; Zadravec, Manuela ; Brnić, Dragan ; Jaki Tkalec, Vesna ; Perković, Irena ; Pleadin, Jelka Diversity of mycoflora on the surface of dry- fermented sausages produced in various climatic regions in Croatia // Book of Abstracts / Sviličić Petrić, Ines ; Leboš Pavunc, Andreja ; Šantić, Marina et al. (ur.). Zagreb: Hrvatsko mikrobiološko društvo, 2022. str. 66-66

Podaci o odgovornosti

Lešić, Tina ; Zadravec, Manuela ; Brnić, Dragan ; Jaki Tkalec, Vesna ; Perković, Irena ; Pleadin, Jelka

engleski

Diversity of mycoflora on the surface of dry- fermented sausages produced in various climatic regions in Croatia

In Croatia, there are many different types of traditional dry-fermented sausages, that are produced in non-regulated production conditions, such as temperature and relative air humidity. These environmetal conditions along side with the seasonality of the production affects the growth of surface mycoflora, so that they are a characteristic of the production area. The aim of this study was to investigate the growth of mycoflora on the surface of dry-fermented sausages (n=36) produced during the year 2020 and which come from three different Croatian geographical- climatic zones (Western - Istria, and continental: Eastern - Slavonia and Northern - Zagorje) and to relate their presence to the regional climatic factors (temperature and the amount of precipitation). Surface moulds were identified using the molecular method by beta-tubulin and calmodulin loci sequencing. In total, 47 of the Penicilium isolates and 22 of the Aspergillus isolates were identified with the predominant being P. commune (25%), P. citrinum (19%) and A. proliferans (7%). The results revealed significant differences (p< 0.05) in the total number of isolates and species diversity in Istria in comparison to Slavonia and Zagorje, which is related to the Aspergillus genus. In Istria a smaller number of Aspergillus isolates and species was determined (only A. proliferans) in comparison to the two other regions in which a 2-4 times higher number of isolates and 5 species of this genus (A. niger, A. tubingensis, A. pseudoglaucus, A. chevalieri and A. flavus) were identified. This observation could be explained by the fact that Istria is known for rainy weather and a higher amount of precipitation (in mm) during the period of the sausages maturing (January-April) compared to the other continetal regions, suggesting that dry weather conditions are more favourable for Aspergillus species growth on dry-fermented sausage surfaces.

meat products ; moulds ; Penicillium ; Aspergillus ; Croatian regions

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Podaci o prilogu

66-66.

2022.

objavljeno

Podaci o matičnoj publikaciji

Book of Abstracts

Sviličić Petrić, Ines ; Leboš Pavunc, Andreja ; Šantić, Marina ; Kifer, Domagoj

Zagreb: Hrvatsko mikrobiološko društvo

978-953-7778-18-7

Podaci o skupu

7th Croatian Congress of Microbiology

poster

24.05.2022-27.05.2022

Sveti Martin na Muri, Hrvatska

Povezanost rada

Biotehnologija, Interdisciplinarne biotehničke znanosti, Interdisciplinarne prirodne znanosti