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Tzora A, Voidarou C(C, Giannenas I, Bonos E, Fotou K, Nelli A, Grigoriadou K, Karamoutsios A, Basdagianni Z, Dokou S, Tsinas A, Skoufos I. Effects of Dietary Omega-3 Enrichment on the Chemical Composition and the Pathogenic Microbiota of Ovine Milk. Foods 2022; 11:foods11223736. [PMID: 36429328 PMCID: PMC9689586 DOI: 10.3390/foods11223736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/11/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
The demand for ovine milk and ovine dairy products is constantly increasing due to their exceptional sensorial characteristics and their health benefits for consumers. However, dairy fat content and composition are of particular concern for consumers as well as the medical community, as there are risk factors for coronary disease, diabetes mellitus, cancer, and other serious diseases. For this reason, attempts have been made to control/regulate the fat composition of ovine milk by modifying sheep dietary intake of polyunsaturated fatty acids. In this experimental trial, a group of sheep were fed for 30 days a diet enriched in flaxseeds and lupines, feed ingredients rich in omega-3 fatty acids, aiming to investigate the effects on fat composition and the microbiota of ovine milk. Chemical analysis of the collected milk showed that the omega-3 and omega-6 content was increased. On the opposite, the atherogenic and thrombogenic indexes decreased. Of importance was the semi-protective effect on the udder by the increased omega-3 dietary intake, as depicted by its impact on the biodiversity of the pathogenic microbiota. These findings suggest that ovine milk could be modified under specific conditions to be more appropriate for the consumption by people belonging to high-risk groups for various diseases.
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Affiliation(s)
- Athina Tzora
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 471 32 Arta, Greece
- Correspondence:
| | - Chrysoula (Chrysa) Voidarou
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 471 32 Arta, Greece
| | - Ilias Giannenas
- Laboratory of Animal Nutrition, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Eleftherios Bonos
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 471 32 Arta, Greece
| | - Konstantina Fotou
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 471 32 Arta, Greece
| | - Aikaterini Nelli
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 471 32 Arta, Greece
| | - Katerina Grigoriadou
- Institute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization—DEMETER, Thermi, 570 01 Thessaloniki, Greece
| | - Achilleas Karamoutsios
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 471 32 Arta, Greece
| | - Zoitsa Basdagianni
- Laboratory of Animal Husbandry, Department of Animal Production, School of Agriculture, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Stella Dokou
- Laboratory of Animal Nutrition, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Anastasios Tsinas
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 471 32 Arta, Greece
| | - Ioannis Skoufos
- Laboratory of Animal Health, Food Hygiene and Quality, Department of Agriculture, University of Ioannina, 471 32 Arta, Greece
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Larosa CP, Balthazar CF, Guimarães JT, Margalho LP, Lemos FS, Oliveira FL, Abud YKD, Sant'Anna C, Duarte MCKH, Granato D, Raices RSL, Freitas MQ, Sant'Ana AS, Almeida Esmerino E, Pimentel TC, Cristina Silva M, Cruz AG. Can sucrose-substitutes increase the antagonistic activity against foodborne pathogens, and improve the technological and functional properties of sheep milk kefir? Food Chem 2021; 351:129290. [PMID: 33631613 DOI: 10.1016/j.foodchem.2021.129290] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 12/25/2022]
Abstract
The effect of different types of sugar (sucrose, demerara, brown, fructose, coconut sugar, and honey) on sheep milk kefir was evaluated. Microbial counts (Lactobacillus, Lactococcus, Leuconostoc, yeast), antagonistic activity against foodborne pathogens, microstructure (scanning electron microscopy), and antiproliferative activity of cancer cells were evaluated. Furthermore, the antioxidant activity (DPPH), inhibitory activity of angiotensin-converting enzyme (ACE), α-amylase, and α-glucosidase, lactose content, lactic and acetic acids and ethanol, fatty acid profile and volatile organic compounds were determined. The addition of sugars increased the Lactobacillus population (up to 2.24 log CFU/mL), metabolites concentration, antagonistic activity against pathogens, antioxidant activity (11.1 to 24.1%), ACE inhibitory activity (27.5 to 37.6%), α-amylase inhibition (18 to 37.4%), and anti-proliferative activity. Furthermore, it improved the fatty acid profile and volatile compounds. The results suggest that the replacement of sucrose with different types of sugar constitute an interesting option to be used in sheep milk kefir formulations.
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Affiliation(s)
- Cristiane P Larosa
- Federal Institute of Science and Technology Rio de Janeiro, Food Department, 20270-021 Rio de Janeiro, Brazil
| | - Celso F Balthazar
- Federal Fluminense University, Faculty of Veterinary, 24230-340 Niterói, RJ, Brazil
| | - Jonas T Guimarães
- Federal Fluminense University, Faculty of Veterinary, 24230-340 Niterói, RJ, Brazil
| | - Larissa P Margalho
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Felipe S Lemos
- Federal University of Rio de Janeiro, Institute of Biomedical Sciences, 21941-902 Rio de Janeiro, Brazil
| | - Felipe L Oliveira
- Federal University of Rio de Janeiro, Institute of Biomedical Sciences, 21941-902 Rio de Janeiro, Brazil
| | - Yuri K D Abud
- Instituto Nacional de Metrologia, Normalização e Qualidade Industrial (Inmetro), Duque de Caxias, 25250-020 Rio de Janeiro, Brazil
| | - Celso Sant'Anna
- Instituto Nacional de Metrologia, Normalização e Qualidade Industrial (Inmetro), Duque de Caxias, 25250-020 Rio de Janeiro, Brazil
| | | | - Daniel Granato
- Food Processing and Quality, Production Systems Unit, Natural Resources Institute Finland (Luke), Latokartanonkaari 9, 00790 Helsinki, Finland
| | - Renata S L Raices
- Federal Institute of Science and Technology Rio de Janeiro, Food Department, 20270-021 Rio de Janeiro, Brazil
| | - Monica Q Freitas
- Federal Fluminense University, Faculty of Veterinary, 24230-340 Niterói, RJ, Brazil
| | - Anderson S Sant'Ana
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil.
| | - Erick Almeida Esmerino
- Federal Fluminense University, Faculty of Veterinary, 24230-340 Niterói, RJ, Brazil; Federal Rural University of Rio de Janeiro, 23890-000, Seropédica, Rio de Janeiro, Brazil
| | | | - Marcia Cristina Silva
- Federal Institute of Science and Technology Rio de Janeiro, Food Department, 20270-021 Rio de Janeiro, Brazil
| | - Adriano G Cruz
- Federal Fluminense University, Faculty of Veterinary, 24230-340 Niterói, RJ, Brazil.
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García‐Gómez B, Vázquez‐Odériz ML, Muñoz‐Ferreiro N, Romero‐Rodríguez MÁ, Vázquez M. Novel cheese with vegetal rennet and microbial transglutaminase: Effect of storage on consumer acceptability, sensory and instrumental properties. INT J DAIRY TECHNOL 2020. [DOI: 10.1111/1471-0307.12752] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Belén García‐Gómez
- Department of Analytical Chemistry Faculty of Science University of Santiago de Compostela Lugo 27002 Spain
| | - Mª Lourdes Vázquez‐Odériz
- Department of Analytical Chemistry Faculty of Science University of Santiago de Compostela Lugo 27002 Spain
| | - Nieves Muñoz‐Ferreiro
- Modestya Research Group Department of Statistics, Mathematical Analysis and Optimization University of Santiago de Compostela Lugo 27002 Spain
| | | | - Manuel Vázquez
- Department of Analytical Chemistry Faculty of Science University of Santiago de Compostela Lugo 27002 Spain
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Vázquez-García R, Montejano-Gaitán JG, Cardador-Martínez A, Orihuela-López MA, Rivera-Zavala JB, Martín-Del-Campo ST. Evolution of physicochemical and texture parameters throughout an extended ripening on a goat surface mold cheeses made in a tropical region in Mexico. CYTA - JOURNAL OF FOOD 2020. [DOI: 10.1080/19476337.2020.1836028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Rosa Vázquez-García
- Tecnologico De Monterrey, School of Engineering and Sciences, Querétaro, Mexico
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Wang H, Wang C, Guo M. Autogenic successions of bacteria and fungi in kefir grains from different origins when sub-cultured in goat milk. Food Res Int 2020; 138:109784. [PMID: 33288170 DOI: 10.1016/j.foodres.2020.109784] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 09/29/2020] [Accepted: 10/04/2020] [Indexed: 01/06/2023]
Abstract
Kefir grains are a unique symbiotic association of different microbiota, including a variety of bacterial and fungal species. The microbiota in kefir grains is strongly influenced by the geographical origin and sub-culturing environment. After sub-culturing in goat milk for 2 to 4 months, amplicon sequencing (16S rRNA and ITS1 region) was applied for the identification of bacterial and fungal autogenic succession of three kefir grains collected from China (CN, Asia), Germany (DE, Europe) and United States of America (USA, America). Taxonomic analysis displayed three main bacterial and fungal species in kefir grains from different origins during sub-culturing process (Lactobacillus helveticus, Lactobacillus kefiranofaciens and Lactobacillus kefiri for bacteria, Kazachstania unispora, Kluyveromyces marxianus and Saccharomyces cerevisiae for fungi). Based on the results of beta diversity analysis, microbiota in kefir grains from CN and DE would be stable when sub-cultured in goat milk for more than three months. Differently, a highly microbial stability has been found for the sample from USA during the whole sub-culturing process. These results helped to understand the composition and stability of microbiota in kefir grains when sub-cultured in goat milk.
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Affiliation(s)
- Hao Wang
- Key Laboratory of Dairy Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Cuina Wang
- Key Laboratory of Dairy Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Mingruo Guo
- Key Laboratory of Dairy Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Department of Nutrition and Food Sciences, College of Agriculture and Life Sciences, University of Vermont, Burlington, VT 05405, USA.
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