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Bartula K, Biagui S, Begley M, Callanan M. Investigation of the growth of Listeria in plant-based beverages. Food Microbiol 2024; 121:104530. [PMID: 38637090 DOI: 10.1016/j.fm.2024.104530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/16/2024] [Accepted: 03/29/2024] [Indexed: 04/20/2024]
Abstract
The objective of the present study was to evaluate whether the content of sugar, protein, fat, or fibre in commercially available and specially formulated plant-based beverages (oat, soya and pea) influences the growth rates of Listeria. Beverages were inoculated with a strain cocktail of Listeria (approximately 1 × 103 CFU/mL), and the data demonstrated that Listeria could proliferate in all tested beverages. Moreover, varying concentrations of naturally occurring or added sugar (0-3.3%), protein (3.3-5%), fat (1.1-3.5%) and added fibre (0-1.5%) did not have a statistically significant (p > 0.05) impact on the growth rates of Listeria in the tested plant-based beverages. These data suggest that the wide variety of commercial plant-based beverages serve as an ideal medium for the growth of Listeria irrespective of product composition. All the various products tested provided sufficient nutrients to support at least a 2.6-log increase of Listeria within 16 h at room temperature, with some beverages supporting a 3-log increase. Therefore, these data highlight the importance of careful storage and handling of these increasingly varied and popular products.
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Affiliation(s)
- Klaudia Bartula
- Department of Biological Sciences, Munster Technological University, Bishopstown, Cork, Ireland.
| | - Sambou Biagui
- Department of Biological Sciences, Munster Technological University, Bishopstown, Cork, Ireland.
| | - Máire Begley
- Department of Biological Sciences, Munster Technological University, Bishopstown, Cork, Ireland.
| | - Michael Callanan
- Department of Biological Sciences, Munster Technological University, Bishopstown, Cork, Ireland.
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2
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Rudnicki K, Sobczak K, Karpiński R, Borgul P, Powałka E, Skrzypek S, Poltorak L. Phenylethylamine sensing at the electrified liquid-liquid interface. Can electrochemistry be used to follow the UHT milk spoilage process? Food Chem 2024; 442:138407. [PMID: 38241999 DOI: 10.1016/j.foodchem.2024.138407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 12/22/2023] [Accepted: 01/07/2024] [Indexed: 01/21/2024]
Abstract
This study involved an investigation into the electrochemical characteristic of a few biogenic amines (BAs) occurring at the polarized interface between two immiscible electrolyte solutions (ITIES) with ion transfer voltammetry (ITV). The main focus of this research was the comprehensive electroanalytical and physicochemical analysis of phenylethylamine (PEA), allowing the determined of the formal Galvani potential of the ion transfer reaction (ΔorgaqΦ'), diffusion coefficients (D), formal free Gibbs energy of the ion transfer reaction (ΔG'aq→org) and water-1,2-dichloroethane partition coefficient (logPwater/DCEPEA). Furthermore, the collected data were employed to calculate analytical parameters, including voltametric detection sensitivity, limits of detection and the target analyte quantification. Moreover, the influence of the presence of 7 other BAs (histamine, spermine, spermidine, putrescine, cadaverine, tyramine and tryptamine) on the recorded signals originating from the PEA ion transfer was checked. The feasibility of the developed method was corroborated through experimentation with milk samples. Additionally, utilizing the devised methodology, an electrochemical assessment of the spoilage progression in milk samples was undertaken.
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Affiliation(s)
- Konrad Rudnicki
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland.
| | - Karolina Sobczak
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland
| | - Robert Karpiński
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland
| | - Paulina Borgul
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland
| | - Emilia Powałka
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland
| | - Sławomira Skrzypek
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland
| | - Lukasz Poltorak
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland.
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3
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Del Rio B, Fernandez M, Redruello B, Ladero V, Alvarez MA. New insights into the toxicological effects of dietary biogenic amines. Food Chem 2024; 435:137558. [PMID: 37783126 DOI: 10.1016/j.foodchem.2023.137558] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 09/07/2023] [Accepted: 09/19/2023] [Indexed: 10/04/2023]
Abstract
Biogenic amines (BA) are molecules with biological functions, which can accumulate at toxic concentrations in foods. Several microorganisms have been identified as responsible for their accumulation at elevated concentrations. Histamine, tyramine and putrescine are the BA most commonly found at highest concentrations. The ingestion of food containing high BA concentrations leads to intoxication with symptoms depending on the BA and the amount consumed. Moreover, there is evidence of synergy between different BA, something of toxicological importance given that some foods accumulate different BA. This work reviews the BA toxic effects and examines recent discoveries regarding their synergy, cytotoxicity and genotoxicity. These advances in the toxicological consequences of ingesting BA contaminated foods support the need to regulate their presence in foods to preserve the consumer's health. However, more research efforts -focused on the establishment of risk assessments- are needed to reach a consensus in their limits in different food matrices.
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Affiliation(s)
- Beatriz Del Rio
- Department of Dairy Product Technology and Biotechnology, Dairy Research Institute, IPLA, CSIC, Villaviciosa, Spain; Health Research Institute in the Principality of Asturias (ISPA), Oviedo, Spain
| | - María Fernandez
- Department of Dairy Product Technology and Biotechnology, Dairy Research Institute, IPLA, CSIC, Villaviciosa, Spain; Health Research Institute in the Principality of Asturias (ISPA), Oviedo, Spain
| | - Begoña Redruello
- Department of Dairy Product Technology and Biotechnology, Dairy Research Institute, IPLA, CSIC, Villaviciosa, Spain; Health Research Institute in the Principality of Asturias (ISPA), Oviedo, Spain
| | - Victor Ladero
- Department of Dairy Product Technology and Biotechnology, Dairy Research Institute, IPLA, CSIC, Villaviciosa, Spain; Health Research Institute in the Principality of Asturias (ISPA), Oviedo, Spain.
| | - Miguel A Alvarez
- Department of Dairy Product Technology and Biotechnology, Dairy Research Institute, IPLA, CSIC, Villaviciosa, Spain; Health Research Institute in the Principality of Asturias (ISPA), Oviedo, Spain
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4
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Rebaza-Cardenas T, Montes-Villanueva ND, Fernández M, Delgado S, Ruas-Madiedo P. Microbiological and physical-chemical characteristics of the Peruvian fermented beverage "Chicha de siete semillas": Towards the selection of strains with acidifying properties. Int J Food Microbiol 2023; 406:110353. [PMID: 37591132 DOI: 10.1016/j.ijfoodmicro.2023.110353] [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: 01/05/2023] [Revised: 06/29/2023] [Accepted: 08/05/2023] [Indexed: 08/19/2023]
Abstract
Traditional fermented beverages have been consumed worldwide for centuries. Such is the case of "Chicha de siete semillas" which is originally from the province of Huanta, in Ayacucho, Peru. In this work we have analyzed the chemical composition and bacterial diversity of products manufactured from six producers, who have used different combinations of cereals, pseudocereals, legumes and aromatic herbs, although maize was present in all of them. The fermented beverages had a low pH, mainly due to the production of lactic acid, whereas ethanol was, in general, present in low concentrations. Most of the products were rich in GABA, the content of biogenic amines being very low, as corresponds to a product with a short maturation time (less than 4 days). A metataxonomic analysis revealed that Streptococcaceae and Leuconostocaceae families were dominant in the majority of the beverages, Streptococcus spp. and Leuconostoc spp. being the representative genera, respectively. The result was corroborated by culture-dependent techniques, since these were the most abundant genera isolated and identified in all samples, with Streptococcus macedonicus and Leuconostoc lactis as representative species. In lower proportions other isolates were identified as Lactobacillus delbrueckii, Lactiplantibacillus plantarum, Furfurilactobacillus rossiae, Weissella confusa and Enterococcus faecium. The genetic profile of 26 S. macedonicus isolates was determined by RAPD-PCR and REP-PCR, showing five different patterns distinguishable with the first technique. One representative strain from each genetic pattern was further characterized and used to ferment a maize-based matrix (with saccharose) in order to know their technological potential. All strains were able to ferment the beverage at 30 °C in a short time (about 6 h) reaching a pH below 4.5 and they remained viable after 24 h; the main organic acid contributing to the pH decrease was lactic acid. Therefore, S. macedonicus is a good candidate for being part of a putative starter culture, since it is a species well adapted to this cereal-based food niche.
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Affiliation(s)
- Teresa Rebaza-Cardenas
- Instituto de Productos Lácteos de Asturias (IPLA), CSIC, Paseo Río Linares s/n, 33300 Villaviciosa, Asturias, Spain; Facultad de Ingeniería Agraria, Universidad Católica Sedes Sapientiae (UCSS), Lima, Peru
| | | | - María Fernández
- Instituto de Productos Lácteos de Asturias (IPLA), CSIC, Paseo Río Linares s/n, 33300 Villaviciosa, Asturias, Spain
| | - Susana Delgado
- Instituto de Productos Lácteos de Asturias (IPLA), CSIC, Paseo Río Linares s/n, 33300 Villaviciosa, Asturias, Spain
| | - Patricia Ruas-Madiedo
- Instituto de Productos Lácteos de Asturias (IPLA), CSIC, Paseo Río Linares s/n, 33300 Villaviciosa, Asturias, Spain.
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5
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Barberis M, Calabrese D, Galloni M, Nepi M. Secondary Metabolites in Nectar-Mediated Plant-Pollinator Relationships. PLANTS (BASEL, SWITZERLAND) 2023; 12:550. [PMID: 36771634 PMCID: PMC9920422 DOI: 10.3390/plants12030550] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 06/01/2023]
Abstract
In recent years, our understanding of the complex chemistry of floral nectar and its ecological implications for plant-pollinator relationships has certainly increased. Nectar is no longer considered merely a reward for pollinators but rather a plant interface for complex interactions with insects and other organisms. A particular class of compounds, i.e., nectar secondary compounds (NSCs), has contributed to this new perspective, framing nectar in a more comprehensive ecological context. The aim of this review is to draft an overview of our current knowledge of NSCs, including emerging aspects such as non-protein amino acids and biogenic amines, whose presence in nectar was highlighted quite recently. After considering the implications of the different classes of NSCs in the pollination scenario, we discuss hypotheses regarding the evolution of such complex nectar profiles and provide cues for future research on plant-pollinator relationships.
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Affiliation(s)
- Marta Barberis
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Via Irnerio 42, 40126 Bologna, Italy
| | - Daniele Calabrese
- Department of Life Sciences, University of Siena, Via P.A. Mattioli 4, 53100 Siena, Italy
| | - Marta Galloni
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Via Irnerio 42, 40126 Bologna, Italy
| | - Massimo Nepi
- Department of Life Sciences, University of Siena, Via P.A. Mattioli 4, 53100 Siena, Italy
- National Biodiversity Future Centre (NBFC), 90123 Palermo, Italy
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6
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Moniente M, Botello-Morte L, García-Gonzalo D, Pagán R, Ontañón I. Analytical strategies for the determination of biogenic amines in dairy products. Compr Rev Food Sci Food Saf 2022; 21:3612-3646. [PMID: 35726745 DOI: 10.1111/1541-4337.12980] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 04/08/2022] [Accepted: 04/30/2022] [Indexed: 12/18/2022]
Abstract
Biogenic amines (BA) are mainly produced by the decarboxylation of amino acids by enzymes from microorganisms that emerge during food fermentation or due to incorrectly applied preservation processes. The presence of these compounds in food can lead to a series of negative effects on human health. To prevent the ingestion of high amounts of BA, their concentration in certain foods needs to be controlled. Although maximum legal levels have not yet been established for dairy products, potential adverse effects have given rise to a substantial number of analytical and microbiological studies: they report concentrations ranging from a few mg/kg to several g/kg. This article provides an overview of the analytical methods for the determination of biogenic amines in dairy products, with particular focus on the most recent and/or most promising advances in this field. We not only provide a summary of analytical techniques but also list the required sample pretreatments. Since high performance liquid chromatography with derivatization is the most widely used method, we describe it in greater detail, including a comparison of derivatizing agents. Further alternative techniques for the determination of BA are likewise described. The use of biosensors for BA in dairy products is emerging, and current results are promising; this paper thus also features a section on the subject. This review can serve as a helpful guideline for choosing the best option to determine BA in dairy products, especially for beginners in the field.
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Affiliation(s)
- Marta Moniente
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain
| | - Laura Botello-Morte
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain
| | - Diego García-Gonzalo
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain
| | - Rafael Pagán
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain
| | - Ignacio Ontañón
- Laboratorio de Análisis del Aroma y Enología, Química Analítica, Facultad de Ciencias, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain
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7
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Update on Biogenic Amines in Fermented and Non-Fermented Beverages. Foods 2022; 11:foods11030353. [PMID: 35159503 PMCID: PMC8834261 DOI: 10.3390/foods11030353] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/20/2022] [Accepted: 01/22/2022] [Indexed: 01/12/2023] Open
Abstract
The formation of biogenic amines in food and beverages is mainly due to the presence of proteins and/or free amino acids that represent the substrates for microbial or natural enzymes with decarboxylation or amination activity. Fermentation occurring in many alcoholic beverages, such as wine, beer, cider, liqueurs, as well as coffee and tea, is one of the main processes affecting their production. Some biogenic amines can also be naturally present in some fruit juices or fruit-based drinks. The dietary intake of such compounds should consider all their potential sources by both foods and drinks, taking in account the health impact on some consumers that represent categories at risk for a deficient metabolic activity or assuming inhibiting drugs. The most important tool to avoid their adverse effects is based on prevention through the selection of lactic acid bacteria with low decarboxylating activity or good manufacturing practices hurdling the favoring conditions on biogenic amines' production.
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8
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Silva AR, Silva MM, Ribeiro BD. Plant-based milk products. FUTURE FOODS 2022. [DOI: 10.1016/b978-0-323-91001-9.00025-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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9
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Barzegar F, Kamankesh M, Mohammadi A. Recent Development in Formation, Toxic Effects, Human Health and Analytical Techniques of Food Contaminants. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1929303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Fatemeh Barzegar
- Department of Food Science and Technology, Faculty of Nutrition Science, Food Science and Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marzieh Kamankesh
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Abdorreza Mohammadi
- Department of Food Science and Technology, Faculty of Nutrition Science, Food Science and Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Food Safety Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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10
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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]
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Wójcik W, Łukasiewicz M, Puppel K. Biogenic amines: formation, action and toxicity - a review. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:2634-2640. [PMID: 33159318 DOI: 10.1002/jsfa.10928] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 10/25/2020] [Accepted: 11/06/2020] [Indexed: 06/11/2023]
Abstract
Biogenic amines (BA) are organic compounds commonly found in food, plants and animals, as well as microorganisms that are attributed with the production of BAs. They are formed as an effect of a chemical process: the decarboxylation of amino acids. Factors determining the formation of BAs include the availability of free amino acids and the presence of microorganisms that show activity with respect to carrying out the decarboxylation process. On the one hand, BAs are compounds that are crucial for maintaining cell viability, as well as the proper course of the organism's metabolic processes, such as protein synthesis, hormone synthesis and DNA replication. On the other hand, despite their positive effects on the functioning of the organism, an excessive content of BAs proves to be toxic (diarrhea, food poisoning, vomiting, sweating or tachycardia). Moreover, they can accelerate carcinogenesis. Amines are a natural component of plant and animal raw materials. As a result of the proven negative effects of amines on living organisms, the reduction of these compounds should be the subject of scientific research. The present review aims to synthesize and summarize the information currently available on BAs, as well as discuss the interpretation of the results. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Wojciech Wójcik
- Institute of Animal Science, Warsaw University of Life Sciences, Warsaw, Poland
| | - Monika Łukasiewicz
- Institute of Animal Science, Warsaw University of Life Sciences, Warsaw, Poland
| | - Kamila Puppel
- Institute of Animal Science, Warsaw University of Life Sciences, Warsaw, Poland
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Zhang YY, Hughes J, Grafenauer S. Got Mylk? The Emerging Role of Australian Plant-Based Milk Alternatives as A Cow's Milk Substitute. Nutrients 2020; 12:E1254. [PMID: 32354190 PMCID: PMC7281999 DOI: 10.3390/nu12051254] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/22/2020] [Accepted: 04/26/2020] [Indexed: 12/12/2022] Open
Abstract
Growing ethical, environmental and health concerns have encouraged demand for novel plant-based milk alternatives, yet it remains nebulous whether these products are nutritionally adequate as cow's milk replacements. The aim of this study was to conduct a cross-sectional survey of plant-based milk alternatives available in major Australian supermarkets and selected niche food retailers from November 2019 to January 2020 and assess two dietary scenarios (adolescents and older women) where dairy serves were substituted for plant-based alternatives against Australian Estimated Average Requirements (EAR). We collected compositional data from nutrition panels in juxtaposition with derivatives from the Australian Food Composition database, with a total of 115 products, including tree nuts and seeds (n = 48), legumes (n = 27), coconut (n = 10), grains (n = 19) and mixed sources (n = 10). Just over 50% of products were fortified, but only 1/3 contained similar calcium content to cow's milk. Indiscriminate substitutions might reduce intakes of protein and micronutrients, particularly vitamin A, B2, B12, iodine and zinc, and lead to reductions >50% of the EARs for protein, zinc and calcium in the chosen dietary scenarios. To avoid unintended dietary outcomes, it is vital that consumers make pragmatic decisions regarding dietary replacements for cow's milk.
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Affiliation(s)
- Yianna Y. Zhang
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3052, Australia
- CSIRO Agriculture & Food, 671 Sneydes Road, Werribee, VIC 3030, Australia
| | - Jaimee Hughes
- Grains & Legumes Nutrition Council, Mount Street, North Sydney, NSW 2060, Australia
| | - Sara Grafenauer
- Grains & Legumes Nutrition Council, Mount Street, North Sydney, NSW 2060, Australia
- School of Medicine, University of Wollongong, Northfields Avenue, Wollongong, NSW 2522, Australia
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Abstract
Biogenic amines are ubiquitous bioactive compounds that are synthesized by living organisms and perform essential functions for their metabolism. In the human diet, their excessive intake can cause food poisoning. In food, especially in alcohol-free beverages, biogenic amines can be synthesized by enzymes, naturally present in raw materials, or by microorganisms, which may be naturally present in the matrix or be added during beverage transformation processes. For this reason, in alcohol-free beverages, biogenic amine amount can be considered, above a certain level, as undesired microorganism activity. Therefore, it is important to evaluate the biogenic amine profile of non-alcoholic beverages in order to monitor food quality and safety. Moreover, biogenic amines can be taken into account by industries in order to monitor production processes and products. This review article provides an overview on the biogenic amine profile of alcohol-free beverages (plant milk, nervine drinks, soft drinks, and fruit juices). Furthermore, the clinical and toxicological effects, the biogenic amines legislation, and biogenic amine synthesis have been evaluated in non-alcoholic beverages.
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14
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Health issues and technological aspects of plant-based alternative milk. Food Res Int 2020; 131:108972. [PMID: 32247441 DOI: 10.1016/j.foodres.2019.108972] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 12/08/2019] [Accepted: 12/30/2019] [Indexed: 12/30/2022]
Abstract
A growing number of consumers opt for plant-based milk substitutes for medical reasons, like cow's milk protein allergy (CMPA), lactose intolerance (LI), or as a lifestyle choice. Plant-based milk substitutes, or plant extracts, are water-soluble extracts of legumes, oilseeds, cereals or pseudocereals that resemble bovine milk in appearance. It is produced by reducing the size of the raw material, extracted in water and subsequently homogenized, being an alternative to cow's milk. They are considered cow's milk replacers due to similar chemical composition and can also be used as a substitute for direct use or in some animal milk-based preparations. On the other hand, these substitutes exhibit different sensory characteristics, stability and nutritional composition from cow's milk. They are manufactured by extracting the raw material in water, separating the liquid, and formulating the final product. Others process like homogenization and thermal treatments are indispensable to improve the suspension and microbiological stabilities of the final product so that can be consumed. However new and advanced non-thermal processing technologies such as ultra-high pressure homogenization and pulsed electric field processing are being researched for tackling the problems related to increase of shelf life, emulsion stability, nutritional completeness and sensory acceptability without the use of high temperatures. Some pre-treatments such as peeling, bleaching or soaking can be performed on the raw material in order to improve the final product. The nutritional properties are influenced by the plant source, processing, and fortification. The addition of other ingredients as sugar, oil and flavorings is done to the plant-based milk substitute to make them more palatable and be more acceptable to consumers. Thus, the aim is to review the main reasons for the consumption of plant-based milk substitute as well as the raw materials used and the technological aspects of its production.
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