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Bampidis V, Azimonti G, Bastos MDL, Christensen H, Durjava M, Dusemund B, Kouba M, López‐Alonso M, López Puente S, Marcon F, Mayo B, Pechová A, Petkova M, Ramos F, Villa RE, Woutersen R, Innocenti ML, Kujawa M, Pizzo F, Bories G, Gropp J. Consumer safety of feed additives containing selenium. EFSA J 2024; 22:e8857. [PMID: 38938408 PMCID: PMC11210048 DOI: 10.2903/j.efsa.2024.8857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2024] Open
Abstract
Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety for the consumer of products from animals fed diets with feed additives containing selenium as an active substance. Based on the limited data set available and the several uncertainties, the FEEDAP Panel concluded that the use of organic selenium at the currently maximum authorised use level of 0.2 mg supplemented selenium from organic sources/kg complete feed (within a maximum of 0.5 mg total selenium/kg complete feed) leads to an exceedance of the UL for all the population categories (except elderly and very elderly), suggesting a concern for consumer safety. It was not possible to conclude on the safety of the currently maximum use level of 0.5 mg total selenium/kg complete feed for all consumer categories. Additional data from studies specifically designed to measure deposition of selenium in tissues and products from animal origin resulting from the use of the different sources of selenium would be required to perform a proper risk assessment.
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Bampidis V, Azimonti G, Bastos MDL, Christensen H, Dusemund B, Durjava M, Kouba M, López-Alonso M, López Puente S, Marcon F, Mayo B, Pechová A, Petkova M, Ramos F, Villa RE, Woutersen R, Herman L, Galobart J, Holczknecht O, Innocenti M, Ortuño J, Pettenati E, Pizzo F, Revez J, Tarrés-Call J, Vettori MV, Radovnikovic A. Safety and efficacy of a feed additive consisting of inactivated selenised yeast ( Saccharomyces cerevisiae CCTCC M 2022402) for all animal species (Phytobiotics Futterzusatzstoffe GmbH). EFSA J 2024; 22:e8627. [PMID: 38601869 PMCID: PMC11005729 DOI: 10.2903/j.efsa.2024.8627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2024] Open
Abstract
Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of the selenised yeast (inactivated) Saccharomyces cerevisiae CCTCC M 2022402 (Plexomin® Se 3000, available in two forms: 'granules' and 'micro') as a nutritional feed additive for all animal species. Based on a tolerance-efficacy trial, the FEEDAP Panel concluded that the additive is safe for chickens for fattening at proposed conditions of use and this conclusion can be extrapolated to all animal species. In the absence of deposition data in all animal species and products, the FEEDAP Panel cannot conclude on the safety for the consumer. Plexomin® Se 3000 (granules) is dust-free; therefore, the exposure through inhalation is unlikely. Plexomin® Se 3000 (micro) presents a risk by inhalation. Both forms of the additive (granules and micro) are considered as respiratory sensitisers. Due to the lack of data, no conclusions can be drawn on the dermal and eye irritation potential of Plexomin® Se 3000 (granules). Plexomin® Se 3000 (micro) is not irritant to the skin and the eyes. No conclusions can be drawn on the potential of both forms of the additive to be dermal sensitisers. The use of the additive in animal nutrition is considered safe for the environment. The additive is an efficacious source of selenium in feedingstuffs for all animal species.
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Hachemi MA, Cardoso D, De Marco M, Geraert PA, Briens M. Inorganic and Organic Selenium Speciation of Seleno-Yeasts Used as Feed Additives: New Insights from Elemental Selenium Determination. Biol Trace Elem Res 2023; 201:5839-5847. [PMID: 36934195 PMCID: PMC10620252 DOI: 10.1007/s12011-023-03633-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 03/12/2023] [Indexed: 03/20/2023]
Abstract
Seleno-Yeasts (SY) used as feed additives are known to contain different Selenium (Se) species. Seleno-Yeasts has been shown, on previous analytical methods, to contain selenomethionine (SeMet), selenocysteine (SeCys), selenate (SeIV) and selenite (SeVI), and various other organic and inorganic Se forms identified but rarely quantified. A new advanced method has allowed elemental Se (Se0), an inorganic Se species, to be quantified, thereby obtaining better insight into the proportion of inorganic Se in SY products. The study aimed to quantify the Se0 in SY products and assess the proportion of inorganic Se in SY. The Se speciation of 13 fresh commercials SY from different suppliers and batches, was assayed for the total Se, inorganic Se species (SeIV, SeVI and Se0), and organic Se species (SeMet and SeCys). Results on total Se were in line with the expected Se concentrations for all evaluated samples. The proportion of Se present as Se0 ranged from 3.6% to 51.8%. The quantity of Se0 in the SY products, added to SeIV and SeVI, indicated an average proportion of inorganic Se of 14.2% for the 13 analyzed SY products. The proportion of Se as SeMet ranged from 19.0% to 71.8%, (average of 55.8%), and a large variability in the SeMet content was observed. The SeCys content was also variable, with an average of 3.8%, relative to the total Se. In conclusion, advances in the analytical characterization have revealed that SY products can have a significantly high proportion of inorganic Se, which could affect the bioavailability of Se from SY supplements and explain their variable and lower bio-efficacy than pure SeMet supplements, such as hydroxy-selenomethionine.
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Affiliation(s)
- Mohammed A Hachemi
- Adisseo France S.A.S., 10, Place du Général de Gaulle, 92160, Antony, France.
| | - Denise Cardoso
- Adisseo France S.A.S., 10, Place du Général de Gaulle, 92160, Antony, France
| | - Michele De Marco
- Adisseo France S.A.S., 10, Place du Général de Gaulle, 92160, Antony, France
| | | | - Mickael Briens
- Adisseo France S.A.S., 10, Place du Général de Gaulle, 92160, Antony, France
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Astaxanthin from Crustaceans and Their Byproducts: A Bioactive Metabolite Candidate for Therapeutic Application. Mar Drugs 2022; 20:md20030206. [PMID: 35323505 PMCID: PMC8955251 DOI: 10.3390/md20030206] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/08/2022] [Accepted: 03/10/2022] [Indexed: 12/12/2022] Open
Abstract
In recent years, the food, pharma, and cosmetic industries have shown considerable interest in bioactive molecules of marine origin that show high potential for application as nutraceuticals and therapeutic agents. Astaxanthin, a lipid-soluble and orange-reddish-colored carotenoid pigment, is one of the most investigated pigments. Natural astaxanthin is mainly produced from microalgae, and it shows much stronger antioxidant properties than its synthetic counterpart. This paper aims to summarize and discuss the important aspects and recent findings associated with the possible use of crustacean byproducts as a source of astaxanthin. In the last five years of research on the crustaceans and their byproducts as a source of natural astaxanthin, there are many new findings regarding the astaxanthin content in different species and new green extraction protocols for its extraction. However, there is a lack of information on the amounts of astaxanthin currently obtained from the byproducts as well as on the cost-effectiveness of the astaxanthin production from the byproducts. Improvement in these areas would most certainly contribute to the reduction of waste and reuse in the crustacean processing industry. Successful exploitation of byproducts for recovery of this valuable compound would have both environmental and social benefits. Finally, astaxanthin’s strong biological activity and prominent health benefits have been discussed in the paper.
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Farag MA, Hamouda S, Gomaa S, Agboluaje AA, Hariri MLM, Yousof SM. Dietary Micronutrients from Zygote to Senility: Updated Review of Minerals' Role and Orchestration in Human Nutrition throughout Life Cycle with Sex Differences. Nutrients 2021; 13:nu13113740. [PMID: 34835995 PMCID: PMC8625354 DOI: 10.3390/nu13113740] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/15/2021] [Accepted: 10/20/2021] [Indexed: 12/15/2022] Open
Abstract
Micronutrients such as selenium, fluoride, zinc, iron, and manganese are minerals that are crucial for many body homeostatic processes supplied at low levels. The importance of these micronutrients starts early in the human life cycle and continues across its different stages. Several studies have emphasized the critical role of a well-balanced micronutrient intake. However, the majority of studies looked into or examined such issues in relation to a specific element or life stage, with the majority merely reporting the effect of either excess or deficiency. Herein, in this review, we will look in depth at the orchestration of the main element requirements across the human life cycle beginning from fertility and pregnancy, passing through infancy, childhood, adolescence, and reaching adulthood and senility, with insight on the interactions among them and underlying action mechanisms. Emphasis is given towards approaches to the role of the different minerals in the life cycle, associated symptoms for under- or overdoses, and typical management for each element, with future perspectives. The effect of sex is also discussed for each micronutrient for each life stage as literature suffice to highlight the different daily requirements and or effects.
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Affiliation(s)
- Mohamed A. Farag
- Department of Pharmacognosy, College of Pharmacy, Cairo University, Cairo 11562, Egypt
- Department of Chemistry, School of Sciences & Engineering, the American University in Cairo, New Cairo 11835, Egypt; (S.H.); (S.G.); (A.A.A.); (M.L.M.H.)
- Correspondence: (M.A.F.); (S.M.Y.)
| | - Samia Hamouda
- Department of Chemistry, School of Sciences & Engineering, the American University in Cairo, New Cairo 11835, Egypt; (S.H.); (S.G.); (A.A.A.); (M.L.M.H.)
| | - Suzan Gomaa
- Department of Chemistry, School of Sciences & Engineering, the American University in Cairo, New Cairo 11835, Egypt; (S.H.); (S.G.); (A.A.A.); (M.L.M.H.)
| | - Aishat A. Agboluaje
- Department of Chemistry, School of Sciences & Engineering, the American University in Cairo, New Cairo 11835, Egypt; (S.H.); (S.G.); (A.A.A.); (M.L.M.H.)
| | - Mohamad Louai M. Hariri
- Department of Chemistry, School of Sciences & Engineering, the American University in Cairo, New Cairo 11835, Egypt; (S.H.); (S.G.); (A.A.A.); (M.L.M.H.)
| | - Shimaa Mohammad Yousof
- Department of Medical Physiology, Faculty of Medicine in Rabigh, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Medical Physiology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt
- Correspondence: (M.A.F.); (S.M.Y.)
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Hydroxy-Selenomethionine Improves the Selenium Status and Helps to Maintain Broiler Performances under a High Stocking Density and Heat Stress Conditions through a Better Redox and Immune Response. Antioxidants (Basel) 2021; 10:antiox10101542. [PMID: 34679677 PMCID: PMC8532863 DOI: 10.3390/antiox10101542] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 09/25/2021] [Accepted: 09/27/2021] [Indexed: 11/17/2022] Open
Abstract
This study has determined whether hydroxy-selenomethionine (OH-SeMet) exerts a better protective action on broilers against environmental stress than sodium selenite (SS) or seleno-yeast (SY). Day-old male Cobb 500 broilers (12 cages/diet, 9 broilers/cage) were fed a selenium (Se)-deficient diet (0.047 mg/kg) supplemented with SS, SY or OH-SeMet at 0.3 mg Se/kg under a high stocking density and heat stress condition for six weeks. OH-SeMet improved the FCR and Se concentration in the tissues than SS and SY. SY and OH-SeMet both reduced the serum cortisol, T3, IL-6, IgA, IgM and LPS, more than SS, while only OH-SeMet further increased IL-10 and IgG. SY and OH-SeMet improved the intestinal morphology and increased the T-AOC, TXRND, SELENON and OCCLUDIN activities but decreased CLAUDIN2 in the jejunum than SS, while OH-SeMet further improved these values than SY. SY and OH-SeMet both increased SELENOS and TXNRD2 in the muscles than SS, and OH-SeMet further raised T-AOC, GPX4, SELENOP, SELENOW and TXNRD1, and reduced malondialdehyde and protein carbonyl in the muscles than SS and SY. OH-SeMet showed a better ability to maintain the performance and the redox and immune status of broilers under a high stocking density and heat stress challenge than SS and SY.
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Grossi S, Rossi L, De Marco M, Sgoifo Rossi CA. The Effect of Different Sources of Selenium Supplementation on the Meat Quality Traits of Young Charolaise Bulls during the Finishing Phase. Antioxidants (Basel) 2021; 10:antiox10040596. [PMID: 33924364 PMCID: PMC8068956 DOI: 10.3390/antiox10040596] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 02/07/2023] Open
Abstract
The aim of the study was to compare the effects of sodium selenite (SS), selenium yeast (SY), and hydroxy-selenomethionine (OH-SeMet) on the meat quality and selenium (Se) deposition of finishing beef cattle. Sixty-three bulls were distributed over 3 treatments and fed SS, SY, or OH-SeMet at 0.2 mg kg−1 dry matter (DM) for 60 d. None of the Se sources affected the growth performance or carcass characteristics. OH-SeMet showed a higher Se transfer to the meat than SS or SY (p < 0.01). SY and OH-SeMet reduced the shear force of the meat (p < 0.0001), improved pH (p < 0.001), and reduced the drip losses (p < 0.001) and the lipid oxidation of the meat (p < 0.001). During 8 d of storage, OH-SeMet showed higher levels of meat lightness (L*) and yellowness (b*) than SS (p < 0.001), while the SY meat showed a higher L* than SS, albeit only on d 6. OH-SeMet improved b*, compared to SS, and also compared to SY on days 4, 7, and 8 (p < 0.001). Supplementing beef with SY and OH-SeMet improved several meat quality parameters. OH-SeMet appears to be the most effective strategy to improve the Se content and color stability of beef cattle meat.
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Affiliation(s)
- Silvia Grossi
- Department of Animal Science and Food Safety, University of Milan, Via dell’Università 1, 26900 Lodi, Italy; (S.G.); (L.R.); (C.A.S.R.)
| | - Luciana Rossi
- Department of Animal Science and Food Safety, University of Milan, Via dell’Università 1, 26900 Lodi, Italy; (S.G.); (L.R.); (C.A.S.R.)
| | - Michele De Marco
- Adisseo France SAS, Immeuble Antony Parc II, 10 Place du Général de Gaulle, 92160 Antony, France
- Correspondence:
| | - Carlo Angelo Sgoifo Rossi
- Department of Animal Science and Food Safety, University of Milan, Via dell’Università 1, 26900 Lodi, Italy; (S.G.); (L.R.); (C.A.S.R.)
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Kieliszek M, Bierla K, Jiménez-Lamana J, Kot AM, Alcántara-Durán J, Piwowarek K, Błażejak S, Szpunar J. Metabolic Response of the Yeast Candida utilis During Enrichment in Selenium. Int J Mol Sci 2020; 21:ijms21155287. [PMID: 32722488 PMCID: PMC7432028 DOI: 10.3390/ijms21155287] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 07/22/2020] [Accepted: 07/23/2020] [Indexed: 02/06/2023] Open
Abstract
Selenium (Se) was found to inhibit the growth of the yeast Candida utilis ATCC 9950. Cells cultured in 30 mg selenite/L supplemented medium could bind 1368 µg Se/g of dry weight in their structures. Increased accumulation of trehalose and glycogen was observed, which indicated cell response to stress conditions. The activity of antioxidative enzymes (glutathione peroxidase, glutathione reductase, thioredoxin reductase, and glutathione S-transferase) was significantly higher than that of the control without Se addition. Most Se was bound to water-insoluble protein fraction; in addition, the yeast produced 20–30 nm Se nanoparticles (SeNPs). Part of Se was metabolized to selenomethionine (10%) and selenocysteine (20%). The HPLC-ESI-Orbitrap MS analysis showed the presence of five Se compounds combined with glutathione in the yeast. The obtained results form the basis for further research on the mechanisms of Se metabolism in yeast cells.
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Affiliation(s)
- Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences—SGGW, Nowoursynowska 159 C, 02-776 Warsaw, Poland; (A.M.K.); (K.P.); (S.B.)
- Correspondence: (M.K.); (J.S.)
| | - Katarzyna Bierla
- Institute of Analytical Sciences, IPREM, UMR 5254, CNRS-UPPA, Hélioparc, 2 Avenue Angot, 64053 Pau, France; (K.B.); (J.J.-L.)
| | - Javier Jiménez-Lamana
- Institute of Analytical Sciences, IPREM, UMR 5254, CNRS-UPPA, Hélioparc, 2 Avenue Angot, 64053 Pau, France; (K.B.); (J.J.-L.)
| | - Anna Maria Kot
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences—SGGW, Nowoursynowska 159 C, 02-776 Warsaw, Poland; (A.M.K.); (K.P.); (S.B.)
| | - Jaime Alcántara-Durán
- Analytical Chemistry Research Group, Department of Physical and Analytical Chemistry, University of Jaen, 23071 Jaen, Spain;
| | - Kamil Piwowarek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences—SGGW, Nowoursynowska 159 C, 02-776 Warsaw, Poland; (A.M.K.); (K.P.); (S.B.)
| | - Stanisław Błażejak
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences—SGGW, Nowoursynowska 159 C, 02-776 Warsaw, Poland; (A.M.K.); (K.P.); (S.B.)
| | - Joanna Szpunar
- Institute of Analytical Sciences, IPREM, UMR 5254, CNRS-UPPA, Hélioparc, 2 Avenue Angot, 64053 Pau, France; (K.B.); (J.J.-L.)
- Correspondence: (M.K.); (J.S.)
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Kieliszek M. Selenium⁻Fascinating Microelement, Properties and Sources in Food. Molecules 2019; 24:E1298. [PMID: 30987088 PMCID: PMC6480557 DOI: 10.3390/molecules24071298] [Citation(s) in RCA: 264] [Impact Index Per Article: 52.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 03/31/2019] [Accepted: 04/02/2019] [Indexed: 12/15/2022] Open
Abstract
Selenium is a micronutrient that is essential for the proper functioning of all organisms. Studies on the functions of selenium are rapidly developing. This element is a cofactor of many enzymes, for example, glutathione peroxidase or thioredoxin reductase. Insufficient supplementation of this element results in the increased risk of developing many chronic degenerative diseases. Selenium is important for the protection against oxidative stress, demonstrating the highest activity as a free radical scavenger and anti-cancer agent. In food, it is present in organic forms, as exemplified by selenomethionine and selenocysteine. In dietary supplementation, the inorganic forms of selenium (selenite and selenate) are used. Organic compounds are more easily absorbed by human organisms in comparison with inorganic compounds. Currently, selenium is considered an essential trace element of fundamental importance for human health. Extreme selenium deficiencies are widespread among people all over the world. Therefore, it is essential to supplement the deficiency of this micronutrient with selenium-enriched food or yeast cell biomass in the diet.
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Affiliation(s)
- Marek Kieliszek
- Faculty of Food Sciences, Department of Biotechnology, Microbiology and Food Evaluation, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 C, 02-776 Warsaw, Poland.
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