1
|
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.
Collapse
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.)
| | | | | | | | | |
Collapse
|
2
|
Redruello B, Arranz D, Szekeres B, Del Rio B, Alvarez MA. Identification of technological/metabolic/environmental profiles associated with cheeses accumulating the neuroactive compound tryptamine. Food Chem 2024; 460:140622. [PMID: 39089014 DOI: 10.1016/j.foodchem.2024.140622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 07/09/2024] [Accepted: 07/22/2024] [Indexed: 08/03/2024]
Abstract
Tryptamine is a neuromodulator of the central nervous system. It is also a biogenic amine, formed by the microbial decarboxylation of L-tryptophan. Tryptamine accumulation in cheese has been scarcely examined. No studies are available regarding the factors that could influence its accumulation. Determining the tryptamine content and identifying the factors that influence its accumulation could help in the design of functional tryptamine-enriched cheeses without potentially toxic concentrations being reached. We report the tryptamine concentration of 300 cheese samples representing 201 varieties. 16% of the samples accumulated tryptamine, at between 3.20 mg kg-1 and 3012.14 mg kg-1 (mean of 29.21 mg kg-1). 4.7% of cheeses accumulated tryptamine at higher levels than those described as potentially toxic. Moreover, three technological/metabolic/environmental profiles associated with tryptamine-containing cheese were identified, as well as the hallmark varieties reflecting each. Such knowledge could be useful for the dairy industry to control the tryptamine content of their products.
Collapse
Affiliation(s)
- Begoña Redruello
- Molecular Microbiology Research Group, Dairy Research Institute (IPLA) CSIC, Paseo Rio Linares s/n, 33300 Villaviciosa, Asturias, Spain; Molecular Microbiology Research Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Av. del Hospital Universitario s/n, 33011 Oviedo, Asturias, Spain..
| | - David Arranz
- Molecular Microbiology Research Group, Dairy Research Institute (IPLA) CSIC, Paseo Rio Linares s/n, 33300 Villaviciosa, Asturias, Spain; Molecular Microbiology Research Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Av. del Hospital Universitario s/n, 33011 Oviedo, Asturias, Spain
| | - Barbara Szekeres
- Molecular Microbiology Research Group, Dairy Research Institute (IPLA) CSIC, Paseo Rio Linares s/n, 33300 Villaviciosa, Asturias, Spain
| | - Beatriz Del Rio
- Molecular Microbiology Research Group, Dairy Research Institute (IPLA) CSIC, Paseo Rio Linares s/n, 33300 Villaviciosa, Asturias, Spain; Molecular Microbiology Research Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Av. del Hospital Universitario s/n, 33011 Oviedo, Asturias, Spain
| | - Miguel A Alvarez
- Molecular Microbiology Research Group, Dairy Research Institute (IPLA) CSIC, Paseo Rio Linares s/n, 33300 Villaviciosa, Asturias, Spain; Molecular Microbiology Research Group, Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Av. del Hospital Universitario s/n, 33011 Oviedo, Asturias, Spain
| |
Collapse
|
3
|
Ameri M, Daryanavard SM. Experimental Design Application for Measuring Histamine in Tuna Fish Samples by Phenyl Isothiocyanate Derivation Method Using Ultra-Performance Liquid Chromatography. J Chromatogr Sci 2024; 62:570-579. [PMID: 37534561 DOI: 10.1093/chromsci/bmad060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 06/26/2023] [Indexed: 08/04/2023]
Abstract
Histamine as an important biogenic amino acid was measured in tuna fish samples by ultra-performance liquid chromatography using a phenyl isothiocyanate derivative. Minitab software was used to design the experiment and investigate the effective factors during the process, which includes screening and optimization steps. A partial factorial design was used in the screening stage and a central composite design was used in the optimization. Effective parameters in histamine derivatized were examined in the screening step including triethylamine volume, phenyl isothiocyanate volume, reaction temperature, reaction time and mobile phase pH. Then, in the optimization, effective parameters were identified and finally, the calibration curve was drawn from a concentration of 0.5-10.0 μg.mL-1 for histamine derivatized and a correlation coefficient of 0.994 was obtained for histamine derivatized. The method detection limit was 0.36 μg.mL-1 and the limit of quantification (LOQ) was 1.19 μg.mL-1. The relative standard deviation of the method was obtained for concentrations of 1.0-100.0 μg.mL-1 in the range between 1.06 and 2.21%. The recovery method was obtained from 90.8 to 103.1% for measuring histamine derivatized in real fish samples.
Collapse
Affiliation(s)
- Maede Ameri
- Department of Chemistry, Faculty of Science, University of Hormozgan, Bandar Abbas, 7916193145, Kilometer 9 of Minab Road, IR, Iran
| | - Seyed Mosayeb Daryanavard
- Department of Chemistry, Faculty of Science, University of Hormozgan, Bandar Abbas, 7916193145, Kilometer 9 of Minab Road, IR, Iran
| |
Collapse
|
4
|
Zhu Z, Song X, Jiang Y, Yao J, Li Z, Dai F, Wang Q. Determination of Biogenic Amines in Wine from Chinese Markets Using Ion Chromatography-Tandem Mass Spectrometry. Foods 2023; 12:foods12112262. [PMID: 37297506 DOI: 10.3390/foods12112262] [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: 04/25/2023] [Revised: 05/24/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
A method for the determination of nine biogenic amines (BAs) in wine was established using ion chromatography-tandem mass spectrometry (IC-MS/MS) without derivatization. BAs were separated by a cation exchange column (IonPac CG17, 50 mm × 4 mm, 7 µm) with a gradient aqueous formic acid elution. Good linearity was obtained for nine BAs with coefficients of determination (R2) > 0.9972 within the range of 0.01-50 mg/L. The limits of detection and quantification were within the ranges of 0.6-40 µg/L and 2.0-135 µg/L, respectively, with the exception of spermine (SPM). The recoveries were demonstrated within the range of 82.6-103.0%, with relative standard deviations (RSDs) of less than 4.2%. This simple method featuring excellent sensitivity and selectivity was suitable for the quantification of BAs in wines. The occurrence of BAs in 236 wine samples that are commercially available in China was determined. The BA levels in wines of different geographical origins varied significantly. The acute dietary exposure assessment of BAs was carried out by calculating the estimated short-term intake (ESTI) and comparing the acute reference dose (ARfD) specified by the European Food Safety Authority (EFSA). Results showed that the exposure to histamine (HIS) and tyramine (TYR) via the consumption of wines was much lower than the recommended ARfD level for healthy individuals. However, exposure could lead to symptoms in susceptible individuals. These results provided basic data regarding the occurrence and risk of BAs in wines for wine production, health guidance and consumer safety.
Collapse
Affiliation(s)
- Zuoyi Zhu
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Science, Hangzhou 310021, China
| | - Xinyue Song
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yunzhu Jiang
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Science, Hangzhou 310021, China
| | - Jiarong Yao
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Science, Hangzhou 310021, China
| | - Zhen Li
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Science, Hangzhou 310021, China
| | - Fen Dai
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Science, Hangzhou 310021, China
| | - Qiang Wang
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Science, Hangzhou 310021, China
| |
Collapse
|
5
|
Effects of selected Bacillus strains on the biogenic amines, bioactive ingredients and antioxidant capacity of shuidouchi. Int J Food Microbiol 2023; 388:110084. [PMID: 36657185 DOI: 10.1016/j.ijfoodmicro.2022.110084] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 12/15/2022] [Accepted: 12/31/2022] [Indexed: 01/13/2023]
Abstract
The control of biogenic amines (BAs) is crucial to guarantee the safety of fermented soybean products. In this study, the BAs composition of eleven shuidouchi samples was analyzed, and the BAs degradation strains were selected from shuidouchi samples with a low BAs content. Then the influences of screened BAs degradation strains on BAs, total phenolics (TP), total flavonoids (TF), isoflavones and the antioxidant ability of fermented shuidouchi were evaluated. Results showed that the total BAs content of all shuidouchi samples was within the safe range, while the GZXQ, GZQY and GZMX samples had higher levels of tyramine. Meanwhile, 109 strains were isolated from the YNLJ, GZLG, GZMZ, GZDY, and YNHY sample. Bacillus tropicus A11, Bacillus siamensis D11, Bacillus subtilis T2, and B. subtilis U2 with higher BAs degradation capacity and lower BAs production ability were selected to ferment shuidouchi. These four Bacillus strains could effectively control the BAs concentration of fermented shuidouchi, especially B. tropicus A11 and B. siamensis D11. Furthermore, compared to naturally fermented shuidouchi, higher levels of antioxidant ability, TP, TF, daidzein, glyciein, and genistein were found in the shuidouchi fermented with selected strains. These findings demonstrated that these screened strains could be applied as potential candidates for the production of high quality shuidouchi.
Collapse
|
6
|
Effect of Adding Bifidobacterium animalis BZ25 on the Flavor, Functional Components and Biogenic Amines of Natto by Bacillus subtilis GUTU09. Foods 2022; 11:foods11172674. [PMID: 36076859 PMCID: PMC9455604 DOI: 10.3390/foods11172674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/25/2022] [Accepted: 08/27/2022] [Indexed: 11/17/2022] Open
Abstract
Natto is a high-value fermented soybean produced by B. subtilis. However, B. subtilis produces a pungent amine odor. This study compared the volatile organic compounds (VOCs), free amino acids (FAAs) and biogenic amines (BAs), nattokinase (NK) of natto made by two-strain fermentation with Bifidobacterium animalis BZ25 and Bacillus subtilis GUTU09 (NMBB) and that of natto made by single-strain fermentation with Bacillus subtilis GUTU09 (NMB). Compared with NMB, volatile amine substances disappeared, ketones and aldehydes of NMBB were reduced, and alcohols increased. Besides that, the taste activity value of other bitter amino acids was lowered, and BA content was decreased from 255.88 mg/kg to 238.35 mg/kg but increased NK activity from 143.89 FU/g to 151.05 FU/g. Correlation analysis showed that the addition of BZ25 reduced the correlation between GUTU09 and BAs from 0.878 to 0.808, and pH was changed from a positive correlation to a negative one. All these results showed that the quality of natto was improved by two-strain co-fermentation, which laid a foundation for its potential industrial application.
Collapse
|
7
|
Profiling the occurrence of biogenic amines in wine from Chinese market and during fermentation using an improved chromatography method. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.108859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
8
|
OUP accepted manuscript. Nutr Rev 2022; 80:2002-2016. [DOI: 10.1093/nutrit/nuac019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
9
|
Li S, Du X, Feng L, Mu G, Tuo Y. The microbial community, biogenic amines content of soybean paste, and the degradation of biogenic amines by Lactobacillus plantarum HM24. Food Sci Nutr 2021; 9:6458-6470. [PMID: 34925777 PMCID: PMC8645731 DOI: 10.1002/fsn3.2528] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 04/13/2021] [Accepted: 04/19/2021] [Indexed: 11/11/2022] Open
Abstract
Soybean paste was a traditional fermented product in Northeast China, mainly fermented by molds, yeast, Bacillus, and lactic acid bacteria. This study investigated the dynamic changes of the microbial community and biogenic amine content during the fermentation of the traditional soybean paste. The microbial diversity of soybean paste in different regions was analyzed by MiSeq sequencing technology. The results showed that Penicillium and Tetragenococcus were the dominant microorganisms responsible for the fermentation of soybean paste. Biogenic amine was found in the traditional soybean paste at different fermentation stages, putrescine, and tyramine were the mainly biogenic amines and their content increased with the extension of fermentation time. Serratia in the soybean paste was positively correlated with the formation of spermine, cadaverine (p < .01), and β-phenethylamine (p < .05), Leuconostoc was negatively correlated with tyramine formation (p < .05), and Enterococcus was positively correlated with the formation of histamine, tryptamine and cadaverine (p < .01). Lactobacillus fermentum HM22, Lactobacillus plantarum HM24, and Enterococcus faecalis YF10042 with strong biogenic amine degrading capacity were inoculated into the koji. After 20 days of fermentation, the degradation rates of tryptamine, β-phenylethylamine, putrescine, cadaverine, histamine, and tyramine in soybean paste inoculated with L. plantarum HM24 were 35.31%, 43.14%, 30.18%, 33.44%, 32.74%, and 39.91%, respectively, indicating that the use of L. plantarum HM24 as a starter culture in soybean paste fermentation might be a good strategy for biogenic amines reduction.
Collapse
Affiliation(s)
- Siyi Li
- School of Food Science and TechnologyDalian Polytechnic UniversityDalianChina
| | - Xue Du
- School of Food Science and TechnologyDalian Polytechnic UniversityDalianChina
| | - Lu Feng
- School of Food Science and TechnologyDalian Polytechnic UniversityDalianChina
| | - Guangqing Mu
- School of Food Science and TechnologyDalian Polytechnic UniversityDalianChina
- Dalian Probiotics Function Research Key LaboratoryDalian Polytechnic UniversityDalianChina
| | - Yanfeng Tuo
- School of Food Science and TechnologyDalian Polytechnic UniversityDalianChina
- Dalian Probiotics Function Research Key LaboratoryDalian Polytechnic UniversityDalianChina
| |
Collapse
|
10
|
Li H, Gan J, Yang Q, Fu L, Wang Y. Colorimetric detection of food freshness based on amine-responsive dopamine polymerization on gold nanoparticles. Talanta 2021; 234:122706. [PMID: 34364501 DOI: 10.1016/j.talanta.2021.122706] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/30/2021] [Accepted: 07/08/2021] [Indexed: 11/28/2022]
Abstract
Biogenic amines (BAs) are not only well-known indicators for food freshness but can cause serious harm to the body after excessive consumption, which makes the determination of its content in food of great significance. In this work, a simple and convenient method for colorimetric detection of BAs was developed based on the sensitivity of the polymerization of dopamine to the presence of BAs on the surface of gold nanoparticles (AuNPs). Taking histamine as a representative, the system exhibited a distinct color change from wine red to black among the amine concentration of 1-100 μg/mL with the detection limit of 2.8 μg/mL. The detection system also exhibited sensitivity to other common kinds of BAs, such as putrescine, cadaverine, spermine, spermidine, tyramine, and tryptamine. Moreover, the proposed method showed encouraging performance in visual detection of the freshness of real samples, which provided a new approach for food quality and freshness evaluation.
Collapse
Affiliation(s)
- Huan Li
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China
| | - Jiacheng Gan
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China
| | - Qing Yang
- Ministry of Agriculture Key Laboratory of Frozen Prepared Marine Foods Processing, Taixiang Group, Rongcheng Taixiang Food Products Co., Ltd, PR China
| | - Linglin Fu
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China
| | - Yanbo Wang
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China.
| |
Collapse
|
11
|
Kouti E, Tsiasioti A, Zacharis CK, Tzanavaras PD. Specific determination of histamine in cheese and cured meat products by ion chromatography coupled to fluorimetric detection. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106513] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
|
12
|
Vasconcelos H, de Almeida JMM, Matias A, Saraiva C, Jorge PA, Coelho LC. Detection of biogenic amines in several foods with different sample treatments: An overview. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.04.043] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|
13
|
Telli N, Topkafa M. Determination of physicochemical properties, color characteristics, and biogenic amines content in Konya Green cheese from raw milk during the mold ripening. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Nihat Telli
- Vocational School of Technical Sciences, Department of Food Technology Konya Technical University Konya Turkey
| | - Mustafa Topkafa
- Vocational School of Technical Sciences, Department of Chemistry and Chemical Processing Technologies Konya Technical University Konya Turkey
| |
Collapse
|
14
|
Portable functional hydrogels based on silver metallization for visual monitoring of fish freshness. Food Control 2021. [DOI: 10.1016/j.foodcont.2020.107824] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
|
15
|
Moitessier C, Kital K, Danjou PE, Cazier-Dennin F. 4-Methoxy-ortho-phthalaldehyde: a promising derivatizing agent for the fluorimetric evaluation of histamine in seafood. TALANTA OPEN 2020. [DOI: 10.1016/j.talo.2020.100014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
|
16
|
Garbowska M, Pluta A, Berthold-Pluta A. Contents of Functionally Bioactive Peptides, Free Amino Acids, and Biogenic Amines in Dutch-Type Cheese Models Produced with Different Lactobacilli. MOLECULES (BASEL, SWITZERLAND) 2020; 25:molecules25225465. [PMID: 33266479 PMCID: PMC7700546 DOI: 10.3390/molecules25225465] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 12/05/2022]
Abstract
Cheese ripening involves a number of biochemical processes, mainly of a proteolytic nature, which are initially triggered principally by milk-coagulating enzymes and, afterward, by microorganisms or enzymes of microbial origin. The proteolytic reactions affect, primarily, the synthesis of macro- and medium-molecular peptides from casein. In turn, the advanced proteolysis ends in the formation of short peptides and free amino acids. Further reactions may lead to the formation of nutritionally unfavorable biogenic amines. The present study aimed to determine changes in the contents of bioactive peptides (anserine and L-carnosine), free amino acids, and biogenic amines throughout the ripening of cheese models produced with the addition of Lactobacillus genus bacteria. The contents of amino acids varied considerably in the cheese models, depending on the bacterial strain added and ripening time. After five weeks of ripening, the total content of free amino acids in the cheese models ranged from 611.02 (a cheese model with Lactobacillus casei 2639) to 1596.64 mg kg−1 (a cheese model with Lb. acidophilus 2499). After the same time, the contents of the total biogenic amines in the cheese models with the addition of lactobacilli were lower than in the control cheese model (except for the model with Lb. rhamnosus 489). Anserine was detected in all cheese models (79.29–119.02 mg kg−1), whereas no L-carnosine was found over a five-week ripening period in the cheese models with Lb. delbrueckii 490 and Lb. casei 2639. After a five-week ripening, the highest total content of bioactive peptides was determined in the cheese models containing Lb. acidophilus 2499 (136.11 mg kg−1).
Collapse
|
17
|
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.
Collapse
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
| |
Collapse
|
18
|
Green coffee derived supplements and infusions as a source of polyamines and free amino acids. Eur Food Res Technol 2020. [DOI: 10.1007/s00217-020-03609-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
AbstractThis work reports on monoamines (MA), diamines (DA) and polyamines (PA) as well as free amino acids (fAA) in nutritional supplements and infusions derived from green coffee beans. Samples were investigated using a ultra-high performance liquid chromatography UV/FLR method, which was validated regarding specificity, linearity, range, precision, accuracy and limits of detection and quantification. Nutritional supplements based on green coffee beans showed large amounts of total amines ranging from 1090 to 2593 mg/kg, with exceptional high levels of spermidine up to 724 mg/kg, and a content of fAA from 4004 to 12,389 mg/kg. Infusions brewed from green coffee beans showed much lower contents of amines (14–17 mg/L) and fAA (78–100 mg/L). However, if the customary edible portion was considered, infusions from green coffee were a mainly better source for MA and PA as well for fAA, compared to nutritional supplements. Tryptamine and tyramine were predominant as MA putrescine as DA, and spermidine as PA, respectively.
Graphic abstract
Collapse
|
19
|
Saidi V, Sheikh-Zeinoddin M, Kobarfard F, Soleimanian-Zad S, Sedaghat Doost A. Profiling of bioactive metabolites during the ripening of a semi-hard non-starter culture cheese to detect functional dietary neurotransmitters. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101734] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
|
20
|
Gama MR, Rocha FR. Solventless separation of underivatized biogenic amines by sequential injection chromatography. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104839] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
21
|
Accumulation of Agmatine, Spermidine, and Spermine in Sprouts and Microgreens of Alfalfa, Fenugreek, Lentil, and Daikon Radish. Foods 2020; 9:foods9050547. [PMID: 32369919 PMCID: PMC7278799 DOI: 10.3390/foods9050547] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 04/10/2020] [Accepted: 04/17/2020] [Indexed: 12/11/2022] Open
Abstract
Sprouts and microgreens are a rich source of various bioactive compounds. Seeds of lentil, fenugreek, alfalfa, and daikon radish seeds were germinated and the contents of the polyamines agmatine (AGM), putrescine (PUT), cadaverine (CAD), spermidine (SPD), and spermine (SPM) in ungerminated seeds, sprouts, and microgreens were determined. In general, sprouting led to the accumulation of the total polyamine content. The highest levels of AGM (5392 mg/kg) were found in alfalfa microgreens, PUT (1079 mg/kg) and CAD (3563 mg/kg) in fenugreek sprouts, SPD (579 mg/kg) in lentil microgreens, and SPM (922 mg/kg) in fenugreek microgreens. A large increase in CAD content was observed in all three legume sprouts. Conversely, the nutritionally beneficial polyamines AGM, SPD, and SPM were accumulated in microgreens, while their contents of CAD were significantly lower. In contrast, daikon radish sprouts exhibited a nutritionally better profile of polyamines than the microgreens. Freezing and thawing of legume sprouts resulted in significant degradation of CAD, PUT, and AGM by endogenous diamine oxidases. The enzymatic potential of fenugreek sprouts can be used to degrade exogenous PUT, CAD, and tyramine at pH values above 5.
Collapse
|
22
|
Borges AF, Cózar A, Patarata L, Gama LT, Alfaia CM, Fernandes MJ, Fernandes MH, Pérez HV, Fraqueza MJ. Effect of high hydrostatic pressure challenge on biogenic amines, microbiota, and sensory profile in traditional poultry- and pork-based semidried fermented sausage. J Food Sci 2020; 85:1256-1264. [PMID: 32222052 DOI: 10.1111/1750-3841.15101] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/04/2020] [Accepted: 02/20/2020] [Indexed: 11/30/2022]
Abstract
The processing of traditional poultry- and pork-based semidried fermented smoked sausages needs to be modernized to improve product quality and further extend its shelf life. The aim of the present study was to apply different combinations of high pressure (300 to 600 MPa) and time (154 to 1,800 s) on the sausages using an experimental design based on response surface methodology. The chemical, microbial, and sensory characteristics of sausages treated with high-pressure processing (HPP) were investigated. HPP application to semidried fermented sausages resulted in color changes, which could be dependent on the ingredients, formulation, and smoking conditions used. Nevertheless, none of the HPP treatments applied resulted in detectable changes in sensory properties, as tested in a triangle test and confirmed by the analysis of focus groups assessment. Significant differences were detected for lactic acid bacteria (LAB) counts from 344 MPa and 1,530 s onward, with a marked decrease for the combination of 600 MPa and 960 s (P < 0.05). Coagulase-negative staphylococci showed higher tolerance to the increase in pressure than LAB. HPP induced a microbial reduction on Enterobacteriaceae, molds, and yeasts, minimizing the production of the main biogenic amines. However, the polyamines (spermine and spermidine) increased since their metabolic use by microorganisms did not occur. Given the reduction of the main spoilage microbial indicators with no detectable sensory changes observed with the binomial condition of 600 MPa and 960 s, this was chosen as the optimal combination to be further applied. PRACTICAL APPLICATION: The results from sensory analysis revealed that any of the HPP treatments applied resulted in detectable changes in sensory properties, as tested in a triangle test and confirmed by the analysis of the focus groups speeches.
Collapse
Affiliation(s)
- Ana F Borges
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, Lisboa, 1300-477, Portugal
| | - Almudena Cózar
- Escuela Técnica Superior de Ingenieros Agrónomos y de Montes, Departamento de Ciencia y Tecnología Agroforestal y Genética, Universidad de Castilla-La Mancha, Albacete, 02071, Spain
| | - Luís Patarata
- CECAV, Universidade de Trás-os-Montes e Alto Douro, Vila Real, 5001-801, Portugal
| | - Luis T Gama
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, Lisboa, 1300-477, Portugal
| | - Cristina M Alfaia
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, Lisboa, 1300-477, Portugal
| | - Maria J Fernandes
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, Lisboa, 1300-477, Portugal
| | - Maria H Fernandes
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, Lisboa, 1300-477, Portugal
| | - Herminia Vergara Pérez
- Escuela Técnica Superior de Ingenieros Agrónomos y de Montes, Departamento de Ciencia y Tecnología Agroforestal y Genética, Universidad de Castilla-La Mancha, Albacete, 02071, Spain
| | - Maria J Fraqueza
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, Lisboa, 1300-477, Portugal
| |
Collapse
|
23
|
Histamine forming behaviour of bacterial isolates from aged cheese. Food Res Int 2020; 128:108719. [DOI: 10.1016/j.foodres.2019.108719] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 09/25/2019] [Accepted: 09/28/2019] [Indexed: 01/02/2023]
|
24
|
Abstract
An ion-pair HPLC method with postcolumn o-phthalaldehyde (OPA) derivatization and fluorescence detection was validated for quantitative determination of five biogenic amines (histamine, tyramine, cadaverine, putrescine, and agmatine) in canned fish products (mackerel, sardine, and tuna) marketed in Ghana. The validated method exhibited excellent selectivity and good linearity (R2 > 0.9990) for all the amines. The limits of detection and quantification for studied biogenic amines were in the range of 0.32–0.78 mg·kg−1 and 1.10–2.57 mg·kg−1, respectively. Also, a satisfactory recovery was obtained for all the amines (82.1–101.4%), and the relative standard deviations were lower than 9.3% under repeatability conditions for the studied amines. Subsequently, the method was applied to the analysis of biogenic amines in canned fish products to estimate the safety of Ghanaian consumers. The maximum levels of histamine, tyramine, cadaverine, putrescine, and agmatine detected in the analysed canned fish products were 64.05 mg·kg−1, 27.44 mg·kg−1, 27.23 mg·kg−1, 18.74 mg·kg−1, and 52.72 mg·kg−1, respectively. Thus, the levels of biogenic amines detected in the canned fish products were lower than the acceptable levels and, therefore, can be considered relatively safe for human consumption.
Collapse
|
25
|
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.
Collapse
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
| |
Collapse
|
26
|
Palomino-Vasco M, Acedo-Valenzuela MI, Rodríguez-Cáceres MI, Mora-Diez N. Automated chromatographic method with fluorescent detection to determine biogenic amines and amino acids. Application to craft beer brewing process. J Chromatogr A 2019; 1601:155-163. [DOI: 10.1016/j.chroma.2019.04.063] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 04/02/2019] [Accepted: 04/23/2019] [Indexed: 12/27/2022]
|
27
|
Li L, Zou D, Ruan L, Wen Z, Chen S, Xu L, Wei X. Evaluation of the Biogenic Amines and Microbial Contribution in Traditional Chinese Sausages. Front Microbiol 2019; 10:872. [PMID: 31130922 PMCID: PMC6510162 DOI: 10.3389/fmicb.2019.00872] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 04/04/2019] [Indexed: 01/26/2023] Open
Abstract
Biogenic amines (BAs) in sausages represent a health risk for consumers, and thus investigating the BAs accumulation mechanism is important to control the BAs. In this study, the BAs profiles of 16 typical Chinese sausage samples were evaluated, and 8 kinds of common BAs were detected from different samples. As a whole, the BAs contents of the majority of Chinese sausage samples were within the safe dosage range, except that the total BAs and histamine concentrations of sample HBBD were above the toxic dosage levels. Furthermore, the bacterial and fungal communities of the Chinese sausage samples were investigated by high-throughput sequencing analysis, and Staphylococcus, Bacillus, Lactococcus, Lactobacillus, Debaryomyces, and Aspergillus were identified as the predominant genera. Accordingly, 13 representative strains were selected from the dominant genera, and their BAs formation and degradation properties were evaluated. Finally, the results of fermented meats model experiment indicated that the Staphylococcus isolates including Staphylococcus pasteuri Sp, Staphylococcus epidermidis Se, Staphylococcus carnosus Sc1, Staphylococcus carnosus Sc2, and Staphylococcus simulans Ss could significantly reduce BAs, possessing the potential as the starter cultures to control the BAs in fermented meat products. The present study not only helped to explain the BAs accumulation mechanism in Chinese sausage, but also developed the candidates for potential BAs control in fermented meat products.
Collapse
Affiliation(s)
- Lu Li
- Key Laboratory of Environment Correlative Dietology (Ministry of Education), College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing, China
| | - Dian Zou
- Key Laboratory of Environment Correlative Dietology (Ministry of Education), College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing, China
| | - Liying Ruan
- Key Laboratory of Environment Correlative Dietology (Ministry of Education), College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing, China
| | - Zhiyou Wen
- Key Laboratory of Environment Correlative Dietology (Ministry of Education), College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, United States
| | - Shouwen Chen
- Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, College of Life Sciences, Hubei University, Wuhan, China
| | - Lin Xu
- Carollo Engineers, Inc., Boise, ID, United States
| | - Xuetuan Wei
- Key Laboratory of Environment Correlative Dietology (Ministry of Education), College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing, China
| |
Collapse
|
28
|
Gagic M, Jamroz E, Krizkova S, Milosavljevic V, Kopel P, Adam V. Current Trends in Detection of Histamine in Food and Beverages. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:773-783. [PMID: 30585064 DOI: 10.1021/acs.jafc.8b05515] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Histamine is a heterocyclic amine formed by decarboxylation of the amino acid l-histidine. It is involved in the local regulation of physiological processes but also can occur exogenously in the food supply. Histamine is toxic at high intakes; therefore, determination of the histamine level in food is an important aspect of food safety. This article will review the current understanding of physiological functions of endogenous and ingested histamine with a particular focus placed on existing and emerging technologies for histamine quantification in food. Methods reported in this article are sequentially arranged and provide a brief overview of analytical methods reported, including those based on nanotechnologies.
Collapse
Affiliation(s)
- Milica Gagic
- Department of Chemistry and Biochemistry, Faculty of AgriSciences , Mendel University in Brno , Zemedelska 1 , CZ-613 00 Brno , Czech Republic
- Central European Institute of Technology , Brno University of Technology , Purkynova 123 , CZ-612 00 Brno , Czech Republic
| | - Ewelina Jamroz
- Institute of Chemistry , University of Agriculture in Cracow , Balicka Street 122 , PL-30-149 Cracow , Poland
| | - Sona Krizkova
- Department of Chemistry and Biochemistry, Faculty of AgriSciences , Mendel University in Brno , Zemedelska 1 , CZ-613 00 Brno , Czech Republic
- Central European Institute of Technology , Brno University of Technology , Purkynova 123 , CZ-612 00 Brno , Czech Republic
| | - Vedran Milosavljevic
- Department of Chemistry and Biochemistry, Faculty of AgriSciences , Mendel University in Brno , Zemedelska 1 , CZ-613 00 Brno , Czech Republic
- Central European Institute of Technology , Brno University of Technology , Purkynova 123 , CZ-612 00 Brno , Czech Republic
| | - Pavel Kopel
- Department of Chemistry and Biochemistry, Faculty of AgriSciences , Mendel University in Brno , Zemedelska 1 , CZ-613 00 Brno , Czech Republic
- Central European Institute of Technology , Brno University of Technology , Purkynova 123 , CZ-612 00 Brno , Czech Republic
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Faculty of AgriSciences , Mendel University in Brno , Zemedelska 1 , CZ-613 00 Brno , Czech Republic
- Central European Institute of Technology , Brno University of Technology , Purkynova 123 , CZ-612 00 Brno , Czech Republic
| |
Collapse
|