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Maria Francesca Peruzy
Ghent University
12Publications
2H-index
13Citations
Publications 12
Newest
Published on Sep 1, 2019in Food Microbiology 4.09
Zhongjia Yu (UGent: Ghent University), Maria Francesca Peruzy2
Estimated H-index: 2
(UGent: Ghent University)
+ 2 AuthorsKurt Houf33
Estimated H-index: 33
(UGent: Ghent University)
Abstract Examination of the bacterial contamination on food products is still largely performed by standardized culture methods, though culture-independent methods are suggested as a more reliable approach. Knowledge of the diversity of bacteria isolated from food as well as the impact of the plate incubation conditions applied are still understudied. The impact of incubation at 7 °C and 30 °C on total aerobic bacterial count and diversity, and the performance of ISO methods generally applied in...
Published on Jul 1, 2019in International Journal of Food Microbiology 4.01
Maria Francesca Peruzy2
Estimated H-index: 2
,
Nicoletta Murru6
Estimated H-index: 6
+ 5 AuthorsKurt Houf33
Estimated H-index: 33
Abstract Wild boars ( Sus scrofa ) are the most widely distributed large mammals and recent increase in consumption of wild boar meat urges the need of microbiological quality criteria. The aim of the study was to characterize the initial bacterial contamination on freshly-killed wild boar meat using a culture-dependent approach with ISO-methods combined with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry identification and 16S rRNA amplicon sequencing. Moreover, th...
Published on Feb 5, 2019in Folia Microbiologica 1.45
Yolande T.R. Proroga6
Estimated H-index: 6
(LMB: Laboratory of Molecular Biology),
Andrea Mancusi2
Estimated H-index: 2
(LMB: Laboratory of Molecular Biology)
+ 4 AuthorsFederico Capuano14
Estimated H-index: 14
(LMB: Laboratory of Molecular Biology)
In order to characterize the most commonly detected Salmonella serotypes, we tested 124 isolates of S. Typhimurium and 89 isolates of the monophasic variant of S. Typhimurium (S. 1,4, [5],12:i:-) for their antimicrobial susceptibility by means of the Kirby–Bauer disk-diffusion method, and for the detection of 19 genes (four Phage Markers (g13, Sieb, eat, g8), ten prophage-related virulence genes (gipA, gtgB, nanH, gogB, grvA, sopE, sspH1, sspH2, sodC1, gtgE), and five plasmid-borne virulence gen...
Published on Feb 1, 2019in International Journal of Food Microbiology 4.01
Maria Francesca Peruzy2
Estimated H-index: 2
(UGent: Ghent University),
Nicoletta Murru6
Estimated H-index: 6
(University of Naples Federico II)
+ 4 AuthorsKurt Houf33
Estimated H-index: 33
(UGent: Ghent University)
Abstract Routine evaluation of bacterial contamination in minced pork is still mainly performed by the enumeration of indicator bacteria, including total aerobic colony count and E. coli , using standardized isolation methods. However, the bacterial community structure as well as the effect of the storage time and temperature on the aerobic plate count are largely unknown for this matrix. The aim of the study was to characterize the microbial community in minced pork by 16S rRNA amplicon sequenc...
Published on Jul 1, 2018in Lwt - Food Science and Technology 3.71
Maria Aponte18
Estimated H-index: 18
(University of Naples Federico II),
Aniello Anastasio13
Estimated H-index: 13
(University of Naples Federico II)
+ 3 AuthorsNicoletta Murru6
Estimated H-index: 6
(University of Naples Federico II)
Abstract The combined effect of ozone gaseous treatment and passive refrigeration system on microbiological, biochemical, and sensory changes of fresh cod ( Merluccius merluccius ), red shrimp ( Aristeus antennatus ), scald fish ( Arnoglossus laterna ) and musky octopus ( Eledone moschata ) was evaluated by monitoring quality during 12 days of storage. Except for hake, ozonation exerted a significant bactericidal effect on psychrotrophs, H 2 S-producing bacteria, Aeromonas and Brochothrix spp. T...
Published on May 1, 2018in International Journal of Dairy Technology 1.52
Nicoletta Murru6
Estimated H-index: 6
(University of Naples Federico II),
Maria Francesca Peruzy2
Estimated H-index: 2
(University of Naples Federico II)
+ 5 AuthorsPasquale Fraulo2
Estimated H-index: 2
The ability of Listeria monocytogenes to survive during the manufacture of water buffalo Mozzarella and to grow during its shelf life was evaluated. A wild-type and a reference strain were used to contaminate raw milk. The viable count of the reference strain ATCC 9525 dropped after the stretching process, and in the cheese, it fell to below 100 cfu/g. When the wild-type strain was used, however, stretching did not appear to have any effect on the pathogen. The artificially contaminated cheeses ...
Published on Aug 1, 2017in Food Microbiology 4.09
Maria Francesca Peruzy2
Estimated H-index: 2
(University of Naples Federico II),
Nicoletta Murru6
Estimated H-index: 6
(University of Naples Federico II)
+ 5 AuthorsYolande T.R. Proroga6
Estimated H-index: 6
Yersinia enterocolitica comprises six biotypes 1A, 1B, 2, 3, 4, and 5. The virulence of the strains belonging to biotypes 1B and 2–5 depends on the presence of both chromosomal and plasmid-borne genes. Strains belonging to biotype 1A do not carry the virulence plasmid pYV. However, they carry other virulence genes, such as ystB and hreP. The aim of this study was to investigate the distribution of yadA, virF, inv, ystA, ystB, myfA, hreP and ymoA virulence genes in Y. enterocolitica strains in or...
Published on Apr 13, 2017in Italian Journal of Food Safety
Serena Santonicola4
Estimated H-index: 4
,
Maria Francesca Peruzy2
Estimated H-index: 2
+ 3 AuthorsRaffaelina Mercogliano7
Estimated H-index: 7
Pre-slaughter stress can result in variations in the glycogen storage and metabolic changes of muscle, responsible for quality poultry meat. Aim of this study was to investigate, as pre-slaughter stress markers and quality meat, physicochemical (pH), biochemical (muscle glycogen content), and chemical (super oxides free radicals) parameters. The carcass quality, as incidence of individual carcass defects, was also evaluated. Twenty broilers were processed with two different electrical stunning: ...
Published on Apr 13, 2017in Italian Journal of Food Safety
Nicoletta Murru6
Estimated H-index: 6
,
Giuseppe Blaiotta25
Estimated H-index: 25
+ 3 AuthorsMaria Aponte18
Estimated H-index: 18
A screening for oxalate degrading abilities was initially carried on within Lactic Acid Bacteria cultures of different food origin. Seventy-nine strains were drop-inoculated onto MRS agar plates containing calcium oxalate. By comparing colonies diameters, 31 strains were used to inoculate, in parallel, MRS and MRS modified by sodium oxalate addition. Differences in the strains’ growth were assessed by colony forming unit counts. For two strains, the growth in oxalate enriched medium was signific...
Published on Jan 1, 2017in Animal Production Science 1.27
Raffaelina Mercogliano7
Estimated H-index: 7
(University of Naples Federico II),
Serena Santonicola4
Estimated H-index: 4
(University of Naples Federico II)
+ 6 AuthorsMaria Luisa Cortesi12
Estimated H-index: 12
(University of Naples Federico II)
This study was designed to investigate physicochemical (pH, peroxides) and histological parameters (glycogen reserve, muscle damages), as pre-slaughter stress markers and quality meat evaluators. Ross commercial broilers was processed, either without stunning (NS Lot), or by combining two current levels of 200 mA, 67 V (HV Lot), and 200 mA, 53 V (MV Lot); with two frequencies of 1000 Hz and 800 Hz, using sinusoidal alternating current. The use of high frequency (800 and 1000 Hz) induced the fast...
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