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Xenidis VA, Martsikalis PV, Kotsanopoulos KV, Palaiokostas C, Gkafas GA, Parlapani FF, Boziaris IS, Exadactylos A. The use of telomeric length as authenticity marker in fish and seafood - a new perspective in the detection of adulteration. Crit Rev Food Sci Nutr 2023; 63:12625-12636. [PMID: 35894643 DOI: 10.1080/10408398.2022.2103643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
In this review we propose the use of telomeric length (TL) as an authenticity marker that could provide an alternative method for differentiating fish and seafood samples or detecting fraud. Considering the ever-growing number of incidents of economically motivated fish and seafood adulteration using even more sophisticated methods to overcome current authenticity markers, the need to identify novel authenticity markers becomes essential. The TL of fish and seafood depends on individual characteristics (e.g., sex, age) and the environmental stimuli (e.g., temperature, water quality) to which these are exposed. Hence, both wild marine and freshwater populations occupying different geographical origin habitats might differ substantially because of the environmental cues affecting them. Moreover, the implementation of various rearing practices in aquaculture, such as different levels of fish and seafood density and increased ambient noise combined with site-specific environmental cues could affect TL, providing regulatory authorities with valuable information by distinguishing wild from reared populations and organic from conventional ones. In the present review the effects of both the environmental conditions and individual characteristics on the telomeric stability of fish and seafood telomeres are discussed, suggesting TL as a potential prospect authenticity marker that could be used to prevent fish and seafood adulteration.
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Affiliation(s)
- Vasileios A Xenidis
- Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Petros V Martsikalis
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Konstantinos V Kotsanopoulos
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Christos Palaiokostas
- Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Georgios A Gkafas
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Foteini F Parlapani
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Ioannis S Boziaris
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Athanasios Exadactylos
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
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Anagnostopoulos DA, Parlapani FF, Tsara E, Eirinaki MG, Kokioumi D, Ampatzidou E, Boziaris IS. Effect of Physicochemical Characteristics and Storage Atmosphere on Microbiological Stability and Shelf-Life of Minimally Processed European Sea Bass (Dicentrarchus labrax) Fillets. Foods 2023; 12:foods12061145. [PMID: 36981071 PMCID: PMC10048387 DOI: 10.3390/foods12061145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/02/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023] Open
Abstract
The aim of the present work was to evaluate the effect of various hurdles such as aw and pH as well as the storage atmosphere on the microbiological and sensory changes of minimally processed (lightly brined or marinated with acetic or citric acid) European sea bass (Dicentrarchus labrax) fillets. The results indicated that the shelf-life of brined fillets stored aerobically was 6 d while that of vacuum and MAP-stored was 12 d, since a reduced growth rate of spoilage bacteria was recorded. The physicochemical characteristics such as aw and water phase salt (WPS) were not considerably changed, while the oxygen levels into the packages ensure the microbiological safety of the product. The fillets marinated with acetic acid exhibited a longer shelf-life at 30 and 40 d under aerobic and reduced oxygen conditions, respectively, while the products marinated with citric acid were at 25 and 35 d respectively. A low pH resulted in reduced or even limited microbial levels, especially for the fillets marinated with acetic acid; something that ensures microbiological safety as well. The low or limited microbial levels in conjugation with the sensory attributes indicated that spoilage may be due to other mechanisms such as autolysis rather than microbial activity. Overall, the present work highlights the potential for further research and development of minimally processed, microbiologically safe and stable with extended shelf-life value added seafood to satisfy the corresponding consumer demands.
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Affiliation(s)
- Dimitrios A. Anagnostopoulos
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece
| | - Foteini F. Parlapani
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece
| | - Evangelia Tsara
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece
| | - Maria G. Eirinaki
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece
| | - Despoina Kokioumi
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece
| | | | - Ioannis S. Boziaris
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece
- Correspondence: ; Tel.: +30-24210-93153
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Parlapani FF, Anagnostopoulos DA, Karamani E, Mallouchos A, Haroutounian SA, Boziaris IS. Growth and Volatile Organic Compound Production of Pseudomonas Fish Spoiler Strains on Fish Juice Agar Model Substrate at Different Temperatures. Microorganisms 2023; 11:microorganisms11010189. [PMID: 36677482 PMCID: PMC9861217 DOI: 10.3390/microorganisms11010189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/06/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Microbial spoilage is the main cause of quality deterioration in seafood. Several strains of psychotropic Pseudomonas have been found to dominate in such products, producing a plethora of volatile organic compounds (VOC). Herein, we investigated the growth of and VOC production by seven strains of Pseudomonas associated with spoiled fish after inoculation as single and mixed cultures on model fish substrate and storage at 0, 4 and 8 °C. The results indicated a strain-dependent VOC profile that was also affected by the storage temperature. Hierarchical cluster analysis (HCA) successfully grouped the strains based on VOC profile at each studied temperature, while some potential Chemical Spoilage Indices (CSI) were revealed. The findings of the present work will contribute to the understanding of the metabolic activity of particular strains of Pseudomonas and to reveal any potential CSI for rapid evaluation of fish spoilage/freshness status.
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Affiliation(s)
- Foteini F. Parlapani
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece
| | - Dimitrios A. Anagnostopoulos
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece
| | - Evangelia Karamani
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece
| | - Athanasios Mallouchos
- Laboratory of Food Chemistry and Analysis, Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece
| | - Serkos A. Haroutounian
- Department of Animal Science and Aquaculture, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece
| | - Ioannis S. Boziaris
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece
- Correspondence: ; Tel.: +30-24210-93153
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Anagnostopoulos DA, Parlapani FF, Boziaris IS. The evolution of knowledge on seafood spoilage microbiota from the 20th to the 21st century: Have we finished or just begun? Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.01.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Syropoulou F, Parlapani FF, Anagnostopoulos DA, Stamatiou A, Mallouchos A, Boziaris IS. Spoilage Investigation of Chill Stored Meagre ( Argyrosomus regius) Using Modern Microbiological and Analytical Techniques. Foods 2021; 10:3109. [PMID: 34945660 PMCID: PMC8702202 DOI: 10.3390/foods10123109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 11/29/2021] [Accepted: 12/12/2021] [Indexed: 11/18/2022] Open
Abstract
Spoilage status of whole and filleted chill-stored meagre caught in January and July was evaluated using sensory, microbiological, 16S metabarcoding and Volatile Organic Compounds (VOCs) analysis. Based on the sensory analysis, shelf-life was 15 and 12 days for the whole fish taken in January and July, respectively, while 7 days for fish fillets of both months. For the whole fish, Total Viable Counts (TVC) at the beginning of storage was 2.90 and 4.73 log cfu/g for fish caught in January and July respectively, while it was found about 3 log cfu/g in fish fillets of both months. The 16S metabarcoding analysis showed different profiles between the two seasons throughout the storage. Pseudomonas (47%) and Psychrobacter (42.5%) dominated in whole meagre of January, while Pseudomonas (66.6%) and Shewanella (10.5%) dominated in fish of July, at the end of shelf-life. Regarding the fillets, Pseudomonas clearly dominated at the end of shelf-life for both months. The volatile profile of meagre was predominated by alcohols and carbonyl compounds. After univariate and multivariate testing, we observed one group of compounds (trimethylamine, 3-methylbutanoic acid, 3-methyl-1-butanol) positively correlating with time of storage and another group with a declining trend (such as heptanal and octanal). Furthermore, the volatile profile seemed to be affected by the fish culturing season. Our findings provide insights into the spoilage mechanism and give information that helps stakeholders to supply meagre products of a high-quality level in national and international commerce.
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Affiliation(s)
- Faidra Syropoulou
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece; (F.S.); (F.F.P.); (D.A.A.)
| | - Foteini F. Parlapani
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece; (F.S.); (F.F.P.); (D.A.A.)
| | - Dimitrios A. Anagnostopoulos
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece; (F.S.); (F.F.P.); (D.A.A.)
| | - Anastasios Stamatiou
- Laboratory of Microbiology and Biotechnology of Foods, Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece;
| | - Athanasios Mallouchos
- Laboratory of Food Chemistry and Analysis, Department of Food Science and Human Nutrition, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece;
| | - Ioannis S. Boziaris
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Street, 38446 Volos, Greece; (F.S.); (F.F.P.); (D.A.A.)
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Parlapani FF, Kelepouri A, Psofakis P, Kokioumi D, Kokokiris LE, Karapanagiotidis IT, Boziaris IS. Microbiological Changes, Shelf-Life and Nutritional Value of Ice-Stored Thicklip Grey Mullet ( Chelon labrosus). Journal of Aquatic Food Product Technology 2021. [DOI: 10.1080/10498850.2021.1900968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Foteini F. Parlapani
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Aikaterini Kelepouri
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Pier Psofakis
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Despoina Kokioumi
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Lambros E. Kokokiris
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, Sindos, Greece
| | - Ioannis T. Karapanagiotidis
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Ioannis S. Boziaris
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
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Kotsanopoulos KV, Exadactylos A, Gkafas GA, Martsikalis PV, Parlapani FF, Boziaris IS, Arvanitoyannis IS. The use of molecular markers in the verification of fish and seafood authenticity and the detection of adulteration. Compr Rev Food Sci Food Saf 2021; 20:1584-1654. [PMID: 33586855 DOI: 10.1111/1541-4337.12719] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 12/17/2020] [Accepted: 01/10/2021] [Indexed: 12/11/2022]
Abstract
The verification of authenticity and detection of food mislabeling are elements that have been of high importance for centuries. During the last few decades there has been an increasing consumer demand for the verification of food identity and the implementation of stricter controls around these matters. Fish and seafood are among the most easily adulterated foodstuffs mainly due to the significant alterations of the species' morphological characteristics that occur during the different types of processing, which render the visual identification of the animals impossible. Even simple processes, such as filleting remove very important morphological elements and suffice to prevent the visual identification of species in marketed products. Novel techniques have therefore been developed that allow identification of species, the differentiation between species and also the differentiation of individuals that belong to the same species but grow in different populations and regions. Molecular markers have been used during the last few decades to fulfill this purpose and several improvements have been implemented rendering their use applicable to a commercial scale. The reliability, accuracy, reproducibility, and time-and cost-effectiveness of these techniques allowed them to be established as routine methods in the industry and research institutes. This review article aims at presenting the most important molecular markers used for the authentication of fish and seafood. The most important techniques are described, and the results of numerous studies are outlined and discussed, allowing interested parties to easily access and compare information about several techniques and fish/seafood species.
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Affiliation(s)
- Konstantinos V Kotsanopoulos
- Department of Ichthyology & Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Athanasios Exadactylos
- Department of Ichthyology & Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - George A Gkafas
- Department of Ichthyology & Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Petros V Martsikalis
- Department of Ichthyology & Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Foteini F Parlapani
- Department of Ichthyology & Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Ioannis S Boziaris
- Department of Ichthyology & Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
| | - Ioannis S Arvanitoyannis
- Department of Ichthyology & Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Volos, Greece
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Syropoulou F, Parlapani FF, Bosmali I, Madesis P, Boziaris IS. HRM and 16S rRNA gene sequencing reveal the cultivable microbiota of the European sea bass during ice storage. Int J Food Microbiol 2020; 327:108658. [DOI: 10.1016/j.ijfoodmicro.2020.108658] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 12/28/2022]
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Parlapani FF, Ferrocino I, Michailidou S, Argiriou A, Haroutounian SA, Kokokiris L, Rantsiou K, Boziaris IS. Microbiota and volatilome profile of fresh and chill-stored deepwater rose shrimp (Parapenaeus longirostris). Food Res Int 2020; 132:109057. [DOI: 10.1016/j.foodres.2020.109057] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 12/27/2019] [Accepted: 01/31/2020] [Indexed: 11/28/2022]
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Parlapani FF, Syropoulou F, Tsiartsafis A, Ekonomou S, Madesis P, Exadactylos A, Boziaris IS. HRM analysis as a tool to facilitate identification of bacteria from mussels during storage at 4 °C. Food Microbiol 2019; 85:103304. [PMID: 31500716 DOI: 10.1016/j.fm.2019.103304] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 08/09/2019] [Accepted: 08/10/2019] [Indexed: 12/15/2022]
Abstract
High-resolution melting (HRM) analysis followed by sequencing was applied for determination of bacteria grown on plates isolated from farmed mussels (Mytilus galloprovincialis) during their storage at 4 °C. The V3-V4 region of the 16S rRNA gene from the isolates was amplified using 16S universal primers. Melting curves (peaks) and high resolution melting curves (shape) of the amplicons and sequencing analysis were used for differentiation and identification of the isolated bacteria, respectively. The majority of the isolates (a sum of 101 colonies, from five time intervals: day 0, 2, 4, 6 and 8) from non-selective solid medium plates were classified in four bacterial groups based on the melting curves (peaks) and HRM curves (shape) of the amplicons, while three isolates presented distinct HRM curve profiles (single). Afterwards, sequencing analysis showed that the isolates with a) the same melting peak temperature and b) HRM curves that were >95% similar grouped into the same bacterial species. Therefore, based on this methodology, the cultivable microbial population of chill-stored mussels was initially dominated by Psychrobacter alimentarius against others, such as Psychrobacter pulmonis, Psychrobacter celer and Klebsiella pneumoniae. P. alimentarius was also the dominant microorganism at the time of the sensory rejection (day 8). Concluding, HRM analysis could be used as a useful tool for the rapid differentiation of the bacteria isolated from mussels during storage, at species level, and then identification is feasible by the sequencing of one only representative of each bacterial species, thus reducing the cost of required sequencing.
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Affiliation(s)
- F F Parlapani
- Lab of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou street, 38446, Volos, Greece.
| | - F Syropoulou
- Lab of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou street, 38446, Volos, Greece
| | - A Tsiartsafis
- Lab of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou street, 38446, Volos, Greece
| | - S Ekonomou
- Lab of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou street, 38446, Volos, Greece
| | - P Madesis
- Institute of Applied Biosciences, Centre for Research and Technology Hellas (CERTH), 57001, Thessaloniki, Greece
| | - A Exadactylos
- Lab of Hydrobiology-Ichthyology, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou street, 38446, Volos, Greece
| | - I S Boziaris
- Lab of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytokou street, 38446, Volos, Greece
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Parlapani FF, Boziaris IS, Meziti A, Michailidou S, Haroutounian SA, Argiriou A, Karapanagiotidis IT. Microbiological status based on 454-pyrosequencing and volatilome analysis of gilthead seabream (Sparus aurata) fed on diets with hydrolyzed feather meal and poultry by-product meal as fishmeal replacers. Eur Food Res Technol 2019. [DOI: 10.1007/s00217-019-03270-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kazi M, Parlapani FF, Boziaris IS, Vellios EK, Lykas C. Effect of ozone on the microbiological status of five dried aromatic plants. J Sci Food Agric 2018; 98:1369-1373. [PMID: 28758285 DOI: 10.1002/jsfa.8602] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 07/26/2017] [Accepted: 07/26/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Aromatic plants may be contaminated with a wide range of microorganisms, making them a potential health hazard when infused or added to ready-to-eat meals. To ensure safety, the effect of gaseous ozone treatment on the population of aerobic plate counts (APC), hygienic indicators (Escherichia coli, Enterococcus spp. and Enterobacteriaceae) and fungi was investigated for five dried aromatic plants: oregano, thyme, mountain tea, lemon verbena and chamomile. Selection, isolation and further fungi identification were based on the phenotypic and macro- and microscopic characteristics. RESULTS Prior to ozonation, APC on five dried aromatic plants was in the range 5-7 log colony-forming units (CFU) g-1 . The APC exhibited a 4 log reduction, from around 6.5 to 2.5 in the case of oregano, and only a 1-2 log reduction for other herbs after 30 or 60 min of 4 ppm gaseous ozone treatment. Enterococcus spp. and E. coli were not detected on any of the tested dried aromatic plants. The fungi counts were 2-4 log CFU g-1 before ozonation. Aspergillus spp, Penicillium spp, Cladosporium spp, Alternaria spp, Fusarium spp., Ulocladium spp. and some unknown fungi were detected on plants before ozone treatment. Aspergillus spp. and/or Penicillium spp. were only detected on mountain tea and thyme plant material after 60 min of ozonation. CONCLUSION The present study provides information about the efficiency of ozone on the microbial decontamination of dried aromatic plants. Treatment with gaseous ozone at 4 ppm for 30 min in the case of dried oregano and 60 min in the case of chamomile and lemon verbena could be used as alternative disinfection methods. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Martha Kazi
- Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Greece
| | - Foteini F Parlapani
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Greece
| | - Ioannis S Boziaris
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Greece
| | - Evangelos K Vellios
- Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Greece
| | - Christos Lykas
- Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Greece
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Parlapani FF, Mallouchos A, Haroutounian SA, Boziaris IS. Volatile organic compounds of microbial and non-microbial origin produced on model fish substrate un-inoculated and inoculated with gilt-head sea bream spoilage bacteria. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2016.12.020] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Bouletis AD, Arvanitoyannis IS, Hadjichristodoulou C, Neofitou C, Parlapani FF, Gkagtzis DC. Quality changes of cuttlefish stored under various atmosphere modifications and vacuum packaging. J Sci Food Agric 2016; 96:2882-2888. [PMID: 26370115 DOI: 10.1002/jsfa.7459] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2015] [Revised: 09/10/2015] [Accepted: 09/11/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND Seafood preservation and its shelf life prolongation are two of the main issues in the seafood industry. As a result, and in view of market globalization, research has been triggered in this direction by applying several techniques such as modified atmosphere packaging (MAP), vacuum packaging (VP) and active packaging (AP). However, seafood such as octopus, cuttlefish and others have not been thoroughly investigated up to now. The aim of this research was to determine the optimal conditions of modified atmosphere under which cuttlefish storage time and consequently shelf life time could be prolonged without endangering consumer safety. RESULTS It was found that cuttlefish shelf life reached 2, 2, 4, 8 and 8 days for control, VP, MAP 1, MAP 2 and MAP 3 (20% CO2 -80% N2 , 50% CO2 -50% N2 and 70% CO2 -30% N2 for MAP 1, 2 and 3, respectively) samples, respectively, judging by their sensorial attributes. Elevated CO2 levels had a strong microbiostatic effect, whereas storage under vacuum did not offer significant advantages. All physicochemical attributes of MAP-treated samples were better preserved compared to control. CONCLUSION Application of high CO2 atmospheres such as MAP 2 and MAP 3 proved to be an effective strategy toward preserving the characteristics and prolonging the shelf life of fresh cuttlefish and thereby improving its potential in the market. © 2015 Society of Chemical Industry.
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Affiliation(s)
- Achilleas D Bouletis
- Department of Agriculture, Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, 38446 Nea Ionia Magnesias, Volos, Greece
| | - Ioannis S Arvanitoyannis
- Department of Agriculture, Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, 38446 Nea Ionia Magnesias, Volos, Greece
| | - Christos Hadjichristodoulou
- Laboratory of Epidemiology and Public Health, Department of Medicine, School of Health Sciences, Lapithon 6, Larissa, Greece
| | - Christos Neofitou
- Department of Agriculture, Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, 38446 Nea Ionia Magnesias, Volos, Greece
| | - Foteini F Parlapani
- Department of Agriculture, Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, 38446 Nea Ionia Magnesias, Volos, Greece
| | - Dimitrios C Gkagtzis
- Laboratory of Epidemiology and Public Health, Department of Medicine, School of Health Sciences, Lapithon 6, Larissa, Greece
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Parlapani FF, Verdos GI, Haroutounian SA, Boziaris IS. The dynamics of Pseudomonas and volatilome during the spoilage of gutted sea bream stored at 2 °C. Food Control 2015. [DOI: 10.1016/j.foodcont.2015.03.004] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Parlapani FF, Kormas KA, Boziaris IS. Microbiological changes, shelf life and identification of initial and spoilage microbiota of sea bream fillets stored under various conditions using 16S rRNA gene analysis. J Sci Food Agric 2015; 95:2386-2394. [PMID: 25312872 DOI: 10.1002/jsfa.6957] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Revised: 10/01/2014] [Accepted: 10/09/2014] [Indexed: 06/04/2023]
Abstract
BACKGROUND Sea bream fillets are one of the most important value-added products of the seafood market. Fresh seafood spoils mainly owing to bacterial action. In this study an exploration of initial and spoilage microbiota of sea bream fillets stored under air and commercial modified atmosphere packaging (MAP) at 0 and 5 °C was conducted by 16S rRNA gene sequence analysis of isolates grown on plates. Sensory evaluation and enumeration of total viable counts and spoilage microorganisms were also conducted to determine shelf life and bacterial growth respectively. RESULTS Different temperatures and atmospheres affected growth and synthesis of spoilage microbiota as well as shelf life. Shelf life under air at 0 and 5 °C was 14 and 5 days respectively, while under MAP it was 20 and 8 days respectively. Initial microbiota were dominated by Pseudomonas fluorescens, Psychrobacter and Macrococcus caseolyticus. Different temperatures and atmospheres affected the synthesis of spoilage microbiota. At the end of shelf life, different phylotypes of Pseudomonas closely related to Pseudomonas fragi were found to dominate in most cases, while Pseudomonas veronii dominated in fillets under MAP at 0 °C. Furthermore, in fillets under MAP at 5 °C, new dominant species such as Carnobacterium maltaromaticum, Carnobacterium divergens and Vagococcus fluvialis were revealed. CONCLUSION Different temperature and atmospheric conditions affected bacterial growth, shelf life and the synthesis of spoilage microbiota. Molecular identification revealed species and strains of microorganisms that have not been reported before for sea bream fillets stored under various conditions, thus providing valuable information regarding microbiological spoilage.
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Affiliation(s)
- Foteini F Parlapani
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fitokou Street, GR-38446 N. Ionia, Volos, Greece
| | - Konstantinos Ar Kormas
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fitokou Street, GR-38446 N. Ionia, Volos, Greece
| | - Ioannis S Boziaris
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fitokou Street, GR-38446 N. Ionia, Volos, Greece
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Parlapani FF, Haroutounian SA, Nychas GJE, Boziaris IS. Microbiological spoilage and volatiles production of gutted European sea bass stored under air and commercial modified atmosphere package at 2 °C. Food Microbiol 2015; 50:44-53. [DOI: 10.1016/j.fm.2015.03.006] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Revised: 02/25/2015] [Accepted: 03/16/2015] [Indexed: 01/24/2023]
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Parlapani FF, Mallouchos A, Haroutounian SA, Boziaris IS. Microbiological spoilage and investigation of volatile profile during storage of sea bream fillets under various conditions. Int J Food Microbiol 2014; 189:153-63. [DOI: 10.1016/j.ijfoodmicro.2014.08.006] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 07/30/2014] [Accepted: 08/02/2014] [Indexed: 11/25/2022]
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Parlapani FF, Neofitou C, Boziaris IS. Microbiological quality of raw and processed wild and cultured edible snails. J Sci Food Agric 2014; 94:768-772. [PMID: 24122749 DOI: 10.1002/jsfa.6438] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2012] [Revised: 01/20/2013] [Accepted: 10/09/2013] [Indexed: 06/02/2023]
Abstract
BACKGROUND An increasing interest in snail farming in Greece and other European countries has been observed. Despite the fact that edible snails have been involved with problems of Salmonella spp. contamination, there are to our knowledge only limited studies regarding microbiological safety and hygiene of such products. Enumeration of microbial populations and presence/absence of Salmonella spp. in snail meat and intestines of wild Cornu aspersum, Helix lucorum and cultured Cornu aspersum snails from indoor/outdoor type farms was conducted. Furthermore, snail-processing steps were simulated in the laboratory and the population reduction in snail meat was determined. RESULTS Microbial populations were higher in intestines than snail meat in almost all cases. Escherichia coli/coliforms and Enterococcus spp. populations were lower in the intestines and snail meat of cultured C. aspersum. Salmonella spp. were detected in the intestines and snail meat of wild snails only. The high levels of bacterial populations were considerably reduced after the appropriate processing. CONCLUSION The lower populations of E. coli/coliforms, Enterococcus spp. and especially the absence of Salmonella spp. in cultured snails show that the controlled conditions decrease the possibility of pathogen presence and contribute to food safety and public health.
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Affiliation(s)
- Foteini F Parlapani
- School of Agricultural Sciences, University of Thessaly, N Ionia, 38446, Volos, Greece
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