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Natrella G, Vacca M, Minervini F, Faccia M, De Angelis M. A Comprehensive Review on the Biogenic Amines in Cheeses: Their Origin, Chemical Characteristics, Hazard and Reduction Strategies. Foods 2024; 13:2583. [PMID: 39200510 PMCID: PMC11353796 DOI: 10.3390/foods13162583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2024] [Revised: 08/08/2024] [Accepted: 08/10/2024] [Indexed: 09/02/2024] Open
Abstract
Most of the biogenic amines are naturally found in fermented foods as a consequence of amino acid decarboxylation. Their formation is ascribable to microorganisms (starters, contaminants and autochthonous) present in the food matrix. The concentration of these molecules is important for food security reasons, as they are involved in food poisoning illnesses. The most frequent amines found in foods are histamine, putrescine, cadaverine, tyramine, tryptamine, phenylethylamine, spermine and spermidine. One of the most risk-prone foods are cheeses, mostly ripened ones, which could easily accumulate amines due to their peculiar manufacturing process and ripening. Cheeses represent a pivotal food in our diet, providing for nutrients such as amino acids, calcium, vitamins and others; thus, since they are widely consumed, it is important to evaluate the presence of toxic molecules to avoid consumers' poisoning. This review aimed to gather general information on the role of biogenic amines, their formation, the health issues and the microorganisms and processes that produce/reduce them, with a focus on their content in different types of cheese (from soft to hard cheeses) and the biotic and abiotic factors that influence their formation or reduction and concentration. Finally, a multivariate analysis was performed on the biogenic amine content, derived from data available in the literature, to obtain more information about the factors influencing their presence in cheeses.
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Affiliation(s)
- Giuseppe Natrella
- Department of Soil, Plant and Food Science, University of Bari Aldo Moro, Via Amendola 165/a, 70126 Bari, Italy; (M.V.); (F.M.); (M.F.); (M.D.A.)
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Van den Eynde V, Gillman PK, Blackwell BB. The Prescriber's Guide to the MAOI Diet-Thinking Through Tyramine Troubles. PSYCHOPHARMACOLOGY BULLETIN 2022; 52:73-116. [PMID: 35721816 PMCID: PMC9172554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
This review article features comprehensive discussions on the dietary restrictions issued to patients taking a classic monoamine oxidase inhibitor (phenelzine, tranylcypromine, isocarboxazid), or high-dose (oral or transdermal) selegiline. It equips doctors with the knowledge to explain to their patients which dietary precautions are necessary, and why that is so: MAOIs alter the capacity to metabolize certain monoamines, like tyramine, which causes dose-related blood pressure elevations. Modern food production and hygiene standards have resulted in large reductions of tyramine concentrations in most foodstuffs and beverages, including many cheeses. Thus, the risk of consequential blood pressure increases is considerably reduced-but some caution remains warranted. The effects of other relevant biogenic amines (histamine, dopamine), and of the amino acids L-dopa and L-tryptophan are also discussed. The tables of tyramine data usually presented in MAOI diet guides are by nature unhelpful and imprecise, because tyramine levels vary widely within foods of the same category. For this reason, it is vital that doctors understand the general principles outlined in this guide; that way, they can tailor their instructions and advice to the individual, to his/her lifestyle and situation. This is important because the pressor response is characterized by significant interpatient variability. When all factors are weighed and balanced, the conclusion is that the MAOI diet is not all that difficult. Minimizing the intake of the small number of risky foods is all that is required. Many patients may hardly need to change their diet at all.
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Affiliation(s)
- Vincent Van den Eynde
- Van den Eynde, External Research Consultant for PsychoTropical Research, NeuraWell Therapeutics, Aristo Pharma GmbH. Gillman, Director of PsychoTropical Research and MAOI Expert Group Convener. Blackwell, Retired Professor and Chair of Psychiatry at the Milwaukee Campus of the University of Wisconsin School of Medicine
| | - Peter Kenneth Gillman
- Van den Eynde, External Research Consultant for PsychoTropical Research, NeuraWell Therapeutics, Aristo Pharma GmbH. Gillman, Director of PsychoTropical Research and MAOI Expert Group Convener. Blackwell, Retired Professor and Chair of Psychiatry at the Milwaukee Campus of the University of Wisconsin School of Medicine
| | - Barry B Blackwell
- Van den Eynde, External Research Consultant for PsychoTropical Research, NeuraWell Therapeutics, Aristo Pharma GmbH. Gillman, Director of PsychoTropical Research and MAOI Expert Group Convener. Blackwell, Retired Professor and Chair of Psychiatry at the Milwaukee Campus of the University of Wisconsin School of Medicine
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Schirone M, Visciano P, Conte F, Paparella A. Formation of biogenic amines in the cheese production chain: favouring and hindering factors. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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4
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Nájera AI, Nieto S, Barron LJR, Albisu M. A Review of the Preservation of Hard and Semi-Hard Cheeses: Quality and Safety. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18189789. [PMID: 34574712 PMCID: PMC8469587 DOI: 10.3390/ijerph18189789] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/09/2021] [Accepted: 09/14/2021] [Indexed: 11/18/2022]
Abstract
Cheese is a dairy product with potential health benefits. Cheese consumption has increased due to the significant diversity of varieties, versatility of product presentation, and changes in consumers’ lifestyles. Spoilage of hard and semi-hard cheeses can be promoted by their maturation period and/or by their long shelf-life. Therefore, preservation studies play a fundamental role in maintaining and/or increasing their shelf-life, and are of significant importance for the dairy sector. The aim of this review is to discuss the most effective methods to ensure the safety and sensory quality of ripened cheeses. We review traditional methods, such as freezing, and modern and innovative technologies, such as high hydrostatic pressures, chemical and natural vegetable origin preservatives, vacuum and modified atmosphere packaging, edible coatings and films, and other technologies applied at the end of storage and marketing stages, including light pulses and irradiation. For each technology, the main advantages and limitations for industrial application in the dairy sector are discussed. Each type of cheese requires a specific preservation treatment and optimal application conditions to ensure cheese quality and safety during storage. The environmental impact of the preservation technologies and their contribution to the sustainability of the food chain are discussed.
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Affiliation(s)
- Ana Isabel Nájera
- Lactiker Research Group, Faculty of Pharmacy, Universidad del País Vasco/Euskal Herriko Unibertsitatea, 01006 Vitoria-Gasteiz, Spain;
- Correspondence: (A.I.N.); (M.A.); Tel.: +34-945-013-077 (A.I.N.); +34-945-013-072 (M.A.)
| | - Sonia Nieto
- Efficient and Sustainable Processes Department, Bizkaia Technology Park, AZTI, P.O. Box 609, 48160 Derio, Spain;
| | - Luis Javier R. Barron
- Lactiker Research Group, Faculty of Pharmacy, Universidad del País Vasco/Euskal Herriko Unibertsitatea, 01006 Vitoria-Gasteiz, Spain;
| | - Marta Albisu
- Lactiker Research Group, Faculty of Pharmacy, Universidad del País Vasco/Euskal Herriko Unibertsitatea, 01006 Vitoria-Gasteiz, Spain;
- Correspondence: (A.I.N.); (M.A.); Tel.: +34-945-013-077 (A.I.N.); +34-945-013-072 (M.A.)
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5
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New application of Hehner's test with modification for detection of formalin in cheeses and fish. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01691-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Cais‐Sokolińska D, Kaczyński ŁK, Bierzuńska P, Skotarczak E, Dobek A. Consumer acceptance in context: Texture, melting, and sensory properties of fried ripened curd cheese. INT J DAIRY TECHNOL 2020. [DOI: 10.1111/1471-0307.12747] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Dorota Cais‐Sokolińska
- Department of Dairy Products Quality Faculty of Food Science and Nutrition Poznań University of Life Sciences ul. Wojska Polskiego 31 Poznań 60‐624 Poland
| | - Łukasz K Kaczyński
- Department of Dairy Products Quality Faculty of Food Science and Nutrition Poznań University of Life Sciences ul. Wojska Polskiego 31 Poznań 60‐624 Poland
| | - Paulina Bierzuńska
- Department of Dairy Products Quality Faculty of Food Science and Nutrition Poznań University of Life Sciences ul. Wojska Polskiego 31 Poznań 60‐624 Poland
| | - Ewa Skotarczak
- Department of Mathematical and Statistical Methods Poznań University of Life Sciences ul. Wojska Polskiego 28 Poznań 60‐637 Poland
| | - Anita Dobek
- Department of Mathematical and Statistical Methods Poznań University of Life Sciences ul. Wojska Polskiego 28 Poznań 60‐637 Poland
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Geronikou A, Srimahaeak T, Rantsiou K, Triantafillidis G, Larsen N, Jespersen L. Occurrence of Yeasts in White-Brined Cheeses: Methodologies for Identification, Spoilage Potential and Good Manufacturing Practices. Front Microbiol 2020; 11:582778. [PMID: 33178163 PMCID: PMC7593773 DOI: 10.3389/fmicb.2020.582778] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 09/14/2020] [Indexed: 01/30/2023] Open
Abstract
Yeasts are generally recognized as contaminants in the production of white-brined cheeses, such as Feta and Feta-type cheeses. The most predominant yeasts species are Debaryomyces hansenii, Geotrichum candidum, Kluyveromyces marxianus, Kluyveromyces lactis, Rhodotorula mucilaginosa, and Trichosporon spp. Although their spoilage potential varies at both species and strain levels, yeasts will, in case of excessive growth, present a microbiological hazard, effecting cheese quality. To evaluate the hazard and trace routes of contamination, the exact taxonomic classification of yeasts is required. Today, identification of dairy yeasts is mainly based on DNA sequencing, various genotyping techniques, and, to some extent, advanced phenotypic identification technologies. Even though these technologies are state of the art at the scientific level, they are only hardly implemented at the industrial level. Quality defects, caused by yeasts in white-brined cheese, are mainly linked to enzymatic activities and metabolism of fermentable carbohydrates, leading to production of metabolites (CO2, fatty acids, volatile compounds, amino acids, sulfur compounds, etc.) and resulting in off-flavors, texture softening, discoloration, and swelling of cheese packages. The proliferation of spoilage yeast depends on maturation and storage conditions at each specific dairy, product characteristics, nutrients availability, and interactions with the co-existing microorganisms. To prevent and control yeast contamination, different strategies based on the principles of HACCP and Good Manufacturing Practice (GMP) have been introduced in white-brined cheese production. These strategies include milk pasteurization, refrigeration, hygienic sanitation, air filtration, as well as aseptic and modified atmosphere packaging. Though a lot of research has been dedicated to yeasts in dairy products, the role of yeast contaminants, specifically in white-brined cheeses, is still insufficiently understood. This review aims to summarize the current knowledge on the identification of contaminant yeasts in white-brined cheeses, their occurrence and spoilage potential related to different varieties of white-brined cheeses, their interactions with other microorganisms, as well as guidelines used by dairies to prevent cheese contamination.
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Affiliation(s)
- Athina Geronikou
- Department of Food Science, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
| | - Thanyaporn Srimahaeak
- Department of Food Science, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
| | - Kalliopi Rantsiou
- Department of Agricultural, Forestry and Food Sciences, University of Turin, Turin, Italy
| | | | - Nadja Larsen
- Department of Food Science, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
| | - Lene Jespersen
- Department of Food Science, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
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Delgado K, Vieira C, Dammak I, Frasão B, Brígida A, Costa M, Conte-Junior C. Different Ultrasound Exposure Times Influence the Physicochemical and Microbial Quality Properties in Probiotic Goat Milk Yogurt. Molecules 2020; 25:E4638. [PMID: 33053748 PMCID: PMC7587201 DOI: 10.3390/molecules25204638] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/03/2020] [Accepted: 10/05/2020] [Indexed: 11/25/2022] Open
Abstract
Despite goat milk having health benefits over cow milk, goat milk yogurt (GY) presents low consistency and viscosity, which reduces its overall acceptability by the consumer. Thus, new innovative methods can be an alternative to improve the quality of GY. Hence, this study aimed to investigate the effect of ultrasound (US) treatment with different sonication times on quality parameters of probiotic GY during refrigerated storage. US treatment was conducted at 20 KHz for 3, 6, and 9 min in yogurt. Lactobacillus bulgaricus and Lactobacillus acidophilus LA-5 were sensitive to US treatment, presenting a decrease in the yogurts stocked. This loss of viability led to reduced post-acidification due to smaller lactose metabolization in yogurt samples submitted to the US. Among tested treatments, the application of 6 min enhanced the apparent viscosity and consistency index of GY yogurts. In addition, this time also reduced tyramine and total biogenic amine (BAs) content. These findings suggest that 6 min of sonication is a promising way to improve the rheological properties and reduce the acidity and BAs content in GY. Further studies should be performed to optimize the US setting conditions to preserve the probiotic culture viability in yogurts.
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Affiliation(s)
- Karina Delgado
- Department of Food Technology, Faculdade de Veterinária, Universidade Federal Fluminense, Niterói 24230-340, Brazil; (K.D.); (C.V.); (B.F.); (M.C.)
- Food Science Program, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil;
| | - Carla Vieira
- Department of Food Technology, Faculdade de Veterinária, Universidade Federal Fluminense, Niterói 24230-340, Brazil; (K.D.); (C.V.); (B.F.); (M.C.)
- Food Science Program, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil;
| | - Ilyes Dammak
- Food Science Program, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil;
| | - Beatriz Frasão
- Department of Food Technology, Faculdade de Veterinária, Universidade Federal Fluminense, Niterói 24230-340, Brazil; (K.D.); (C.V.); (B.F.); (M.C.)
| | - Ana Brígida
- Embrapa Agroindústria de Alimentos, Empresa Brasileira de Pesquisa Agropecuária, Rio de Janeiro 23020-470, Brazil;
- Embrapa Agroindústria Tropical, Empresa Brasileira de Pesquisa Agropecuária, Fortaleza 60511-110, Brazil
| | - Marion Costa
- Department of Food Technology, Faculdade de Veterinária, Universidade Federal Fluminense, Niterói 24230-340, Brazil; (K.D.); (C.V.); (B.F.); (M.C.)
- Laboratory of Inspection and Technology of Milk and Derivatives, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Salvador 40170-110, Brazil
| | - Carlos Conte-Junior
- Department of Food Technology, Faculdade de Veterinária, Universidade Federal Fluminense, Niterói 24230-340, Brazil; (K.D.); (C.V.); (B.F.); (M.C.)
- Food Science Program, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil;
- National Institute of Health Quality Control, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil
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Priyanka V, Ramesha A, Gayathri D, Vasudha M. Molecular characterization of non-biogenic amines producing Lactobacillus plantarum GP11 isolated from traditional pickles using HRESI-MS analysis. Journal of Food Science and Technology 2020; 58:2216-2226. [PMID: 33967318 DOI: 10.1007/s13197-020-04732-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 08/01/2020] [Accepted: 08/13/2020] [Indexed: 11/30/2022]
Abstract
Fungal spoilage and toxic biogenic amine production is a major risk in fermented products. Therefore, the selection of nontoxic biogenic amines producing probiotic bacteria plays a vital role in the fermentation process. In the present study, a total of 18 bacterial isolates were isolated from eight different homemade pickle samples and 15 lactic acid bacteria (LAB) were identified based on biochemical tests. Out of which only seven isolates (GP1, GP2, GP3, GP4, GP5, GP9, and GP11) exhibited antifungal activity against pickle contaminant Aspergillus sp and Penicillium sp. Among the potential LAB isolates, GP11 showed the highest antifungal activity against Aspergillus sp and Penicillium sp with a zone of inhibition 28.33 ± 0.57and 19.66 ± 0.57 mm respectively. The potent LAB isolates were tested for amino acid decarboxylase activity, in which GP2, GP3, GP4, and GP5 exhibited to produce tyramine, cadaverine, and phenylethylamine while GP1 and GP5 have produced tyramine and phenylethylamine respectively. However, highly potent antifungal active isolate GP11 did not produce biogenic amine. Further, GP1, GP9, and GP11 were subjected to confirmation of biogenic amines production using HRESI-MS. HRESI-MS analysis of the GP1 and GP9 sample confirmed the presence of phenylethylamine and tyramine respectively. Interestingly, GP11 isolate did not show any biogenic amines production and GP11 was further subjected to 16S rRNA typing and identified as Lactobacillus plantarum. On in situ pickle sensory evaluation, GP11 lactopickle was graded as very good quality when compared to traditional one. Therefore L. plantarum GP11 could be developed as an ideal starter culture for the fermented production of a pickle.
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Affiliation(s)
- V Priyanka
- Department of Microbiology, Davangere University, Davangere, 577002 India
| | - A Ramesha
- Department of Microbiology, Davangere University, Davangere, 577002 India
| | - Devaraja Gayathri
- Department of Microbiology, Davangere University, Davangere, 577002 India
| | - M Vasudha
- Department of Microbiology, Davangere University, Davangere, 577002 India
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Contamination of traditionally smoked cheeses with polycyclic aromatic hydrocarbons and biogenic amines. Food Control 2020. [DOI: 10.1016/j.foodcont.2020.107115] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Reinholds I, Rusko J, Pugajeva I, Berzina Z, Jansons M, Kirilina-Gutmane O, Tihomirova K, Bartkevics V. The Occurrence and Dietary Exposure Assessment of Mycotoxins, Biogenic Amines, and Heavy Metals in Mould-Ripened Blue Cheeses. Foods 2020; 9:E93. [PMID: 31963130 PMCID: PMC7023506 DOI: 10.3390/foods9010093] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/06/2020] [Accepted: 01/09/2020] [Indexed: 11/24/2022] Open
Abstract
The occurrence and dietary exposure assessment of 16 mycotoxins, 6 biogenic amines (BAs), and 13 metallic elements in blue-veined cheeses (n = 46) is reported. Co-occurrence of mycophenolic acid (≤599 µg·kg-1) with roquefortine C (≤5454 µg·kg-1) was observed in 63% of the tested cheeses, while BAs were frequently present at concentrations between 0.2 and 717 mg kg-1. The concentrations of heavy metals in cheeses were very low. Chronic/acute exposure assessment based on consumption data from different European populations indicated that the levels of mycotoxins and heavy metals are safe to consumers, whereas, rather high hazard indexes (HI up to 0.77) were determined for BAs according to the worst-case scenario based on high consumption and 95th percentile occurrence. A more detailed acute dietary intake study indicated that histamine and tyramine were predominant among these BAs, reaching 27 and 41% of the acute oral intake reference doses.
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Affiliation(s)
- Ingars Reinholds
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004 Riga, Latvia
| | - Janis Rusko
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004 Riga, Latvia
| | - Iveta Pugajeva
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
| | - Zane Berzina
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004 Riga, Latvia
| | - Martins Jansons
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004 Riga, Latvia
| | - Olga Kirilina-Gutmane
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
| | - Kristina Tihomirova
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Water Research Laboratory, Research Centre for Civil Engineering, Faculty of Civil Engineering, Riga Technical University, Kipsalas iela 6a-263, LV-1048 Riga, Latvia
| | - Vadims Bartkevics
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004 Riga, Latvia
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Ekici K, Okut H, Isleyici O, Sancak YC, Tuncay RM. The Determination of Some Microbiological and Chemical Features in Herby Cheese. Foods 2019; 8:E23. [PMID: 30641868 PMCID: PMC6351905 DOI: 10.3390/foods8010023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 12/25/2018] [Accepted: 01/07/2019] [Indexed: 11/17/2022] Open
Abstract
The objective of this study is to measure the amounts of biogenic amines, microbial counts, values of pH, titratable acidity, dry matter, and salt (%) in herby cheese, a very popular staple in the Turkish diet, and to evaluate the concentration of biogenic amines in terms of public health risks. A high-performance liquid chromatography (HPLC) method was used for the determination of eight biogenic amines in 100 herby cheeses sold in the local markets of Van. The bacterial load of the herby cheeses ranged between 4.0 and 8.90 log CFU/g for viable total aerobic mesophilic bacteria (TAMB), <1 and 7.0 log CFU/g for lactic bacteria (LAB), <1 and 6.08 log CFU/g for coliform bacteria, <1 and 5.81 log CFU/g for Enterobacteriaceae, <1 and 2.60 log CFU/g for Staphylococcus aureus, and 3.70 and 8.05 log CFU/g for yeasts and molds. The results obtained suggested significant changes in the pH, titratable acidity, dry matter, and salt contents of the examined herby cheese samples. The detection levels of biogenic amines in the samples ranged from <0.025 to 33.36 mg/kg for tryptamine, from <0.038 to 404.57 mg/kg for β-phenylethylamine, from 0.03 to 426.35 mg/kg for putrescine, from <0.039 to 1438.22 mg/kg for cadaverine, from <0.033 to 469 mg/kg for histamine, from <0.309 to 725.21 mg/kg for tyramine, from <0.114 to 1.70 mg/kg for spermidine, and from <0.109 to 1.88 mg/kg for spermine. As a result, these cheeses are fit for consumption in terms of the amounts of biogenic amines they contain.
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Affiliation(s)
- Kamil Ekici
- Department of Food Hygiene and Technology, Veterinary College, Yuzuncu Yıl University, Van 65080, Turkey.
| | - Hayrettin Okut
- Departement of Preventive Medicine, School of Medical, University of Kansas, Kansas City, KS 66160, USA.
| | - Ozgur Isleyici
- Department of Food Hygiene and Technology, Veterinary College, Yuzuncu Yıl University, Van 65080, Turkey.
| | - Yakup Can Sancak
- Department of Food Hygiene and Technology, Veterinary College, Yuzuncu Yıl University, Van 65080, Turkey.
| | - Rabia Mehtap Tuncay
- Department of Food Hygiene and Technology, Veterinary College, Yuzuncu Yıl University, Van 65080, Turkey.
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