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Filipa-Silva A, Castro R, Rebelo M, Mota MJ, Almeida A, Valente LMP, Gomes S. Enhancing the authenticity of animal by-products: harmonization of DNA extraction methods from novel ingredients. Front Chem 2024; 12:1350433. [PMID: 38444734 PMCID: PMC10912508 DOI: 10.3389/fchem.2024.1350433] [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: 12/05/2023] [Accepted: 01/25/2024] [Indexed: 03/07/2024] Open
Abstract
Introduction: The increasing global pressure to explore alternative protein sources derived from animal by-products has opened-up opportunities, but it has also created the need to assess their compliance with labelling statements, to ensure consumer's trust in the composition of both feed and food products. Assessing the authenticity of highly processed animal by-products, particularly within the rapidly expanding Halal food market, presents a significant challenge due to the lack of robust and standardized methodologies. However, the success of DNA based authenticity system is highly dependent on the extracted DNA quantity, quality, and purity ratios from heterogeneous matrices. Material and methods: In this work, nine DNA extraction methods were tested on selected processed animal by-products with high-value and interest for the feed industry: meals from poultry meat, blood and feather, and hydrolysates from swine meat and bone, fish, and black soldier fly. The proposed DNA extraction methods are developed to specifically target swine-specific mitochondrial region, as a case study. Results and discussion: Both the conventional CTAB method and the commercial kits, specifically Invisorb® Spin Tissue Mini and NucleoSpin™ Food, demonstrated superior extraction efficiency and quality ratios. Nevertheless, commercial kits enabled faster detection in comparison to the conventional methods. The absence of swine DNA was successfully validated and confirmed in all animal meals and hydrolysates that did not contain swine in their composition beforehand, demonstrating their compliance with the Halal market requirements.
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Affiliation(s)
- Andreia Filipa-Silva
- CIIMAR/CIMAR-LA, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Matosinhos, Portugal
| | - Raquel Castro
- CIIMAR/CIMAR-LA, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Matosinhos, Portugal
- ICBAS, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
| | - Mariana Rebelo
- CIIMAR/CIMAR-LA, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Matosinhos, Portugal
- ICBAS, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
| | - Maria J. Mota
- SORGAL, Sociedade de Óleos e Rações, S.A., São João de Ovar, Portugal
- SAVINOR - Sociedade Avícola do Norte S.A., Trofa, Portugal
| | - André Almeida
- SEBOL, Comércio e Indústria do Sebo, S.A., Loures, Portugal
- ITS, Indústria Transformadora de Subprodutos, S.A., Coruche, Portugal
| | - Luísa M. P. Valente
- CIIMAR/CIMAR-LA, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Matosinhos, Portugal
- ICBAS, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
| | - Sónia Gomes
- CIIMAR/CIMAR-LA, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Matosinhos, Portugal
- ICBAS, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
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Moreira LDPD, Corich V, Jørgensen EG, Devold TG, Nadai C, Giacomini A, Porcellato D. Potential bioactive peptides obtained after in vitro gastrointestinal digestion of wine lees from sequential fermentations. Food Res Int 2024; 176:113833. [PMID: 38163727 DOI: 10.1016/j.foodres.2023.113833] [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: 09/26/2023] [Revised: 11/30/2023] [Accepted: 12/05/2023] [Indexed: 01/03/2024]
Abstract
The biotechnological reuse of winery by-products has great potential to increase the value and sustainability of the wine industry. Recent studies revealed that yeast biomass can be an exciting source of bioactive peptides with possible benefits for human health, and its incorporation in plant-based foods is considered innovative and sustainable. In this study, we aimed to identify, through in silico analyses, potential bioactive peptides from yeast extracts after in vitro digestion. Wine lees from a non-Saccharomyces oenological yeast, Starmerella bacillaris FRI751, Saccharomyces cerevisiae EC1118, and sequential fermentation performed with both strains (SEQ) were recovered in a synthetic must. Cellular pellets were enzymatically treated with zymolyase, and the yeast extracts were submitted to in vitro gastrointestinal digestions. LC-MS/MS sequenced the hydrolyzed peptides, and their potential bioactivity was inferred. S. bacillaris FRI751 fermentation showed 132 peptide sequences, S. cerevisiae EC1118 60, SEQ 89. A total of 243 unique peptide sequences were identified across the groups. Furthermore, based on the peptide sequence, the FRI751 extract showed the highest potential antihypertensive with 275 bioactive fragments. Other bioactivities, such as antimicrobial and immunomodulatory, were also identified in all yeast extracts. A potential antiobesity bioactive peptide VVP was identified only in the yeast extract from S. bacillaris single strain. The wine lees from S. bacillaris single strain and SEQ fermentation are a richer source of potential bioactive peptides than those from S. cerevisiae fermentation. This study opens new possibilities in the valorization of winemaking by-products.
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Affiliation(s)
- Luiza de Paula Dias Moreira
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, PD, Italy; Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
| | - Viviana Corich
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, PD, Italy; Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, TV, Italy.
| | - Emilie Gullberg Jørgensen
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
| | - Tove Gulbrandsen Devold
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
| | - Chiara Nadai
- Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, TV, Italy; Department of Land, Environment, Agriculture and Forestry (TESAF), University of Padova, Legnaro, PD, Italy
| | - Alessio Giacomini
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, PD, Italy; Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, TV, Italy
| | - Davide Porcellato
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
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Sousa S, Maia ML, Guimarães L, Domingues VF. Editorial: Seafood: nutrition savior or safety hazard? Front Nutr 2023; 10:1256358. [PMID: 37565034 PMCID: PMC10411179 DOI: 10.3389/fnut.2023.1256358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 07/18/2023] [Indexed: 08/12/2023] Open
Affiliation(s)
- Sara Sousa
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Polytechnic of Porto, Porto, Portugal
- Center for Research in Health Technologies and Information Systems, Porto, Portugal
| | - Maria Luz Maia
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Polytechnic of Porto, Porto, Portugal
| | - Laura Guimarães
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Matosinhos, Portugal
| | - Valentina F. Domingues
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Polytechnic of Porto, Porto, Portugal
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Schmollinger S, Chen S, Merchant SS. Quantitative elemental imaging in eukaryotic algae. Metallomics 2023; 15:mfad025. [PMID: 37186252 PMCID: PMC10209819 DOI: 10.1093/mtomcs/mfad025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 03/03/2023] [Indexed: 05/17/2023]
Abstract
All organisms, fundamentally, are made from the same raw material, namely the elements of the periodic table. Biochemical diversity is achieved by how these elements are utilized, for what purpose, and in which physical location. Determining elemental distributions, especially those of trace elements that facilitate metabolism as cofactors in the active centers of essential enzymes, can determine the state of metabolism, the nutritional status, or the developmental stage of an organism. Photosynthetic eukaryotes, especially algae, are excellent subjects for quantitative analysis of elemental distribution. These microbes utilize unique metabolic pathways that require various trace nutrients at their core to enable their operation. Photosynthetic microbes also have important environmental roles as primary producers in habitats with limited nutrient supplies or toxin contaminations. Accordingly, photosynthetic eukaryotes are of great interest for biotechnological exploitation, carbon sequestration, and bioremediation, with many of the applications involving various trace elements and consequently affecting their quota and intracellular distribution. A number of diverse applications were developed for elemental imaging, allowing subcellular resolution, with X-ray fluorescence microscopy (XFM, XRF) being at the forefront, enabling quantitative descriptions of intact cells in a non-destructive method. This Tutorial Review summarizes the workflow of a quantitative, single-cell elemental distribution analysis of a eukaryotic alga using XFM.
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Affiliation(s)
- Stefan Schmollinger
- California Institute for Quantitative Biosciences (QB3), University of California, Berkeley, CA 94720, USA
- Departments of Molecular and Cell Biology and Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA
| | - Si Chen
- X-ray Science Division, Argonne National Laboratory, Lemont, IL 60439, USA
| | - Sabeeha S Merchant
- California Institute for Quantitative Biosciences (QB3), University of California, Berkeley, CA 94720, USA
- Departments of Molecular and Cell Biology and Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA
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Ayala MD, Balsalobre N, Chaves-Pozo E, Sáez MI, Galafat A, Alarcón FJ, Martínez TF, Arizcun M. Long-Term Effects of a Short Juvenile Feeding Period with Diets Enriched with the Microalgae Nannochloropsis gaditana on the Subsequent Body and Muscle Growth of Gilthead Seabream, Sparus aurata L. Animals (Basel) 2023; 13:ani13030482. [PMID: 36766372 PMCID: PMC9913079 DOI: 10.3390/ani13030482] [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: 11/14/2022] [Revised: 01/23/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023] Open
Abstract
Currently, microalgae are used in fish diets, but their long-term growth effect is unknown. In this experiment, juvenile seabream specimens were fed with microalgae-enriched diets for three months, and then transferred to a microalgae-free diet for 10 months to assess long-term effects up to commercial size (≈27 cm and ≈300 g). The juvenile diets contained Nannochloropsis gaditana at 2.5 or 5% inclusion levels, either raw (R2.5 and R5 groups) or cellulose-hydrolyzed (H2.5 and H5 groups). The body length and weight were measured in 75 fish group-1 at commercial stage. The size, number, and fibrillar density of white muscle fibers and the white muscle transverse area were measured in nine fish group-1 at commercial stage. The results showed the highest body weight in H5 at commercial stage. The white muscle transverse area and the white fibres hyperplasia and density also showed the highest values in H5, followed by H2.5. In contrast, the highest hypertrophy was observed in C and R2.5, being associated with the lowest muscle growth in both groups. These results showed a microalgae concentration-dependent effect in hydrolyzed diets as well as an advantageous effect of the hydrolyzed versus raw diets on the long-term growth of Sparus aurata.
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Affiliation(s)
- María Dolores Ayala
- Faculty of Veterinary, Department of Anatomy and Comparative Pathological Anatomy, Campus of Espinardo, University of Murcia, 30100 Murcia, Spain
- Correspondence: ; Tel.: + 34-868-888793; Fax: +34-868-884147
| | - Noemí Balsalobre
- Faculty of Veterinary, Department of Anatomy and Comparative Pathological Anatomy, Campus of Espinardo, University of Murcia, 30100 Murcia, Spain
| | - Elena Chaves-Pozo
- Instituto Español de Oceanografía, Centro Oceanográfico de Murcia (COMU-IEO), CSIC, Puerto de Mazarrón, 30860 Murcia, Spain
| | - María Isabel Sáez
- Departamento de Biología y Geología, Universidad de Almería, CEIMAR, 04120 Almería, Spain
| | - Alba Galafat
- Departamento de Biología y Geología, Universidad de Almería, CEIMAR, 04120 Almería, Spain
| | | | | | - Marta Arizcun
- Instituto Español de Oceanografía, Centro Oceanográfico de Murcia (COMU-IEO), CSIC, Puerto de Mazarrón, 30860 Murcia, Spain
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Guimarães BO, Van der Graaf Y, Kunert I, Wijffels RH, Barbosa MJ, D'Adamo S. Effect of phosphorus limitation on Se uptake efficiency in the microalga Nannochloropsis oceanica. BIORESOURCE TECHNOLOGY 2023; 367:128239. [PMID: 36332861 DOI: 10.1016/j.biortech.2022.128239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/23/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Microalgae are considered an efficient accumulator and promising source of Se for feed additive purposes. This study aimed at investigating, for the first time, the effect of phosphorus limitation on Se accumulation and uptake efficiency in N.oceanica. A range of phosphorus concentrations (0-2470 µM) were tested in either the presence or absence of sodium selenite (0, 5, 30 µM). Se accumulation was increased up to 16-fold and Se uptake efficiency was increased up to 3.6-fold under phosphorus growth-limiting concentrations. N.oceanica was then cultivated in a 1.8L flat-panel photobioreactor in batch operation under two phosphorus growth-limiting concentrations (250 and 750 µM) where the accumulation of Se in the microalgal biomass, as well as its presence in the spent medium were analysed. This study is the first to investigate the effect of phosphorus limitation for increasing Se accumulation in microalgae, and to prevent the release of Se in wastewater.
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Affiliation(s)
- Bárbara O Guimarães
- Wageningen University and Research (WUR), Bioprocess Engineering, AlgaePARC, P.O. Box 16, 6700 AA Wageningen, The Netherlands.
| | - Youp Van der Graaf
- Wageningen University and Research (WUR), Bioprocess Engineering, AlgaePARC, P.O. Box 16, 6700 AA Wageningen, The Netherlands
| | - Isabelle Kunert
- Wageningen University and Research (WUR), Bioprocess Engineering, AlgaePARC, P.O. Box 16, 6700 AA Wageningen, The Netherlands
| | - René H Wijffels
- Wageningen University and Research (WUR), Bioprocess Engineering, AlgaePARC, P.O. Box 16, 6700 AA Wageningen, The Netherlands; Faculty of Biosciences and Aquaculture, Nord University, N-8049 Bodø, Norway
| | - Maria J Barbosa
- Wageningen University and Research (WUR), Bioprocess Engineering, AlgaePARC, P.O. Box 16, 6700 AA Wageningen, The Netherlands
| | - Sarah D'Adamo
- Wageningen University and Research (WUR), Bioprocess Engineering, AlgaePARC, P.O. Box 16, 6700 AA Wageningen, The Netherlands
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