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Timira V, Chen X, Zhou P, Wu J, Wang T. Potential use of yeast protein in terms of biorefinery, functionality, and sustainability in food industry. Compr Rev Food Sci Food Saf 2024; 23:e13326. [PMID: 38572572 DOI: 10.1111/1541-4337.13326] [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: 08/23/2023] [Revised: 02/20/2024] [Accepted: 03/03/2024] [Indexed: 04/05/2024]
Abstract
A growing demand for sustainable, alternative protein sources that are nutrient-dense, such as microorganisms, and insects, has gradually evolved. When paired with effective processing techniques, yeast cells contain substantial substances that could supply the population's needs for food, medicine, and fuel. This review article explores the potential of yeast proteins as a sustainable and viable alternative to animal and plant-based protein sources. It highlights the various yeast protein extraction methods including both mechanical and non-mechanical methods. The application of nanoparticles is one example of the fast-evolving technology used to damage microbial cells. SiO2 or Al2O3 nanoparticles break yeast cell walls and disrupt membranes, releasing intracellular bioactive compounds. Succinylation of yeast protein during extraction can increase yeast protein extraction rate, lower RNA concentration, raise yeast protein solubility, increase amino acid content, and improve yeast protein emulsification and foaming capabilities. Combining physical and enzymatic extraction methods generates the most representative pool of mannose proteins from yeast cell walls. Ethanol or isoelectric precipitation purifies mannose proteins. Mannoproteins can be used as foamy replacement for animal-derived components like egg whites due to their emulsification, stability, and foaming capabilities. Yeast bioactive peptide was separated by ultrafiltration after enzymatic hydrolysis of yeast protein and has shown hypoglycemic, hypotensive, and oxidative action in vitro studies. Additionally, the review delves into the physicochemical properties and stability of yeast-derived peptides as well as their applications in the food industry. The article infers that yeast proteins are among the promising sources of sustainable protein, with a wide range of potential applications in the food industry.
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Affiliation(s)
- Vaileth Timira
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Xing Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Peng Zhou
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Junjun Wu
- School of Biotechnology, Jiangnan University, Wuxi, China
| | - Tao Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
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Retcheski MC, Maximowski LV, Escorsin KJS, de Almeida Rosa Kurosaki JK, Romão S, Bitencourt TB, Parra JEG, Cazarolli LH. Yarrowia lipolytica biomass-a potential additive to boost metabolic and physiological responses of Nile tilapia. FISH PHYSIOLOGY AND BIOCHEMISTRY 2023; 49:655-670. [PMID: 37422548 DOI: 10.1007/s10695-023-01219-z] [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: 10/24/2022] [Accepted: 07/01/2023] [Indexed: 07/10/2023]
Abstract
We studied the effects of Yarrowia lipolytica biomass on digestive enzymes, blood biochemical profile, energy metabolism enzymes, and proximate meat composition of Nile tilapias. The experiment was entirely randomized with four replications. The animals (n = 20 per repetition) were fed with 0%, 3%, 5%, and 7% of biomass for 40 days and then blood and liver were analyzed. There was an increase in the activities of chymotrypsin (5, 7% groups), trypsin (3, 5% groups), and sucrase (7% group) compared to the respective control groups. On the other hand, maltase activity was significantly reduced for all yeast biomass treatments, while the supplementation did not influence lipase and amylase activities. Moreover, the blood triacylglycerol concentrations were increased in the 7% group, while any treatment modified blood total cholesterol, glycemia, and hepatic glycogen content. Y. lipolytica biomass promoted significant increases in meat protein and lipid contents without changes in moisture and ash parameters. Furthermore, Y. lipolytica biomass promoted increases in hexokinase (3% group), phosphofructokinase (5, 7% groups), glucose-6-phosphate dehydrogenase (5% group), citrate synthase (3% group), aspartate aminotransferase and alanine aminotransferase (3% group), and glutamate dehydrogenase (3, 5% groups) compared to the respective control groups. At the same time, no changes were observed in the activity of glucose-6-phosphatase. Y. lipolytica biomass supplementation in tilapias' diet can modulate the digestive system and improve nutrient disponibility to the cells. Moreover, the changes in the metabolic profile and in energy metabolism can be correlated with the improvement of meat composition. Therefore, the Y. lipolytica biomass has a great potential to be used as a feed ingredient for Nile tilapias.
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Affiliation(s)
- Milena Cia Retcheski
- Federal University of Fronteira Sul, Laranjeiras do Sul Campus, Km 405, BR 158 Road, P.O. Box 106, 85301-970, Laranjeiras do Sul, Paraná, Brazil
| | - Luiz Vitor Maximowski
- Federal University of Fronteira Sul, Laranjeiras do Sul Campus, Km 405, BR 158 Road, P.O. Box 106, 85301-970, Laranjeiras do Sul, Paraná, Brazil
| | - Keveen Jhonathan Soares Escorsin
- Federal University of Fronteira Sul, Laranjeiras do Sul Campus, Km 405, BR 158 Road, P.O. Box 106, 85301-970, Laranjeiras do Sul, Paraná, Brazil
| | | | - Silvia Romão
- Federal University of Fronteira Sul, Laranjeiras do Sul Campus, Km 405, BR 158 Road, P.O. Box 106, 85301-970, Laranjeiras do Sul, Paraná, Brazil
| | - Thiago Bergler Bitencourt
- Federal University of Fronteira Sul, Laranjeiras do Sul Campus, Km 405, BR 158 Road, P.O. Box 106, 85301-970, Laranjeiras do Sul, Paraná, Brazil
| | - Jorge Erick Garcia Parra
- Federal University of Fronteira Sul, Laranjeiras do Sul Campus, Km 405, BR 158 Road, P.O. Box 106, 85301-970, Laranjeiras do Sul, Paraná, Brazil
| | - Luisa Helena Cazarolli
- Federal University of Fronteira Sul, Laranjeiras do Sul Campus, Km 405, BR 158 Road, P.O. Box 106, 85301-970, Laranjeiras do Sul, Paraná, Brazil.
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Nath PC, Ojha A, Debnath S, Sharma M, Nayak PK, Sridhar K, Inbaraj BS. Valorization of Food Waste as Animal Feed: A Step towards Sustainable Food Waste Management and Circular Bioeconomy. Animals (Basel) 2023; 13:ani13081366. [PMID: 37106930 PMCID: PMC10134991 DOI: 10.3390/ani13081366] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 04/05/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
The growing population and healthy food demands have led to a rise in food waste generation, causing severe environmental and economic impacts. However, food waste (FW) can be converted into sustainable animal feed, reducing waste disposal and providing an alternative protein source for animals. The utilization of FW as animal feed presents a solution that not only tackles challenges pertaining to FW management and food security but also lessens the demand for the development of traditional feed, which is an endeavour that is both resource and environmentally intensive in nature. Moreover, this approach can also contribute to the circular economy by creating a closed-loop system that reduces the use of natural resources and minimizes environmental pollution. Therefore, this review discusses the characteristics and types of FW, as well as advanced treatment methods that can be used to recycle FW into high-quality animal feed and its limitations, as well as the benefits and drawbacks of using FW as animal feed. Finally, the review concludes that utilization of FW as animal feed can provide a sustainable solution for FW management, food security, preserving resources, reducing environmental impacts, and contributing to the circular bioeconomy.
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Affiliation(s)
- Pinku Chandra Nath
- Department of Bio Engineering, National Institute of Technology Agartala, Jirania 799046, India
| | - Amiya Ojha
- Department of Bio Engineering, National Institute of Technology Agartala, Jirania 799046, India
| | - Shubhankar Debnath
- Department of Bio Engineering, National Institute of Technology Agartala, Jirania 799046, India
| | - Minaxi Sharma
- Department of Applied Biology, University of Science and Technology Meghalaya, Baridua 793101, India
| | - Prakash Kumar Nayak
- Department of Food Engineering and Technology, Central Institute of Technology Kokrajhar, Kokrajhar 783370, India
| | - Kandi Sridhar
- Department of Food Technology, Karpagam Academy of Higher Education (Deemed to Be University), Coimbatore 641021, India
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Dos Santos Wanderley LA, Aguiar GPS, Calisto JFF, Magro JD, Rossato G, Zotti CA, de Souza Hassemer G, Puton BMS, Cansian RL, Dallago RM, Junges A. Microencapsulation of Yarrowia lipolytica: cell viability and application in vitro ruminant diets. World J Microbiol Biotechnol 2023; 39:88. [PMID: 36740658 DOI: 10.1007/s11274-023-03534-2] [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: 11/07/2022] [Accepted: 01/26/2023] [Indexed: 02/07/2023]
Abstract
Microencapsulation is an alternative to increase the survival capacity of microorganisms, including Yarrowia lipolytica, a widely studied yeast that produces high-value metabolites, such as lipids, aromatic compounds, biomass, lipases, and organic acids. Thus, the present study sought to investigate the effectiveness of different wall materials and the influence of the addition of salts on the microencapsulation of Y. lipolytica, evaluating yield, relationship with cell stability, ability to survive during storage, and in vitro application of ruminant diets. The spray drying process was performed via atomization, testing 11 different compositions using maltodextrin (MD), modified starch (MS) and whey protein concentrate (WPC), Y. lipolytica (Y. lipo) cells, tripolyphosphate (TPP), and sodium erythorbate (SE). The data show a reduction in the water activity value in all treatments. The highest encapsulation yield was found in treatments using MD + TPP + Y. lipo (84.0%) and WPC + TPP + Y. lipo (81.6%). Microencapsulated particles showed a survival rate ranging from 71.61 to 99.83% after 24 h. The treatments WPC + Y. lipo, WPC + SE + Y. lipo, WPC + TPP + Y. lipo, and MD + SE + Y. lipo remained stable for up to 105 days under storage conditions. The treatment WPC + SE + Y. lipo (microencapsulated yeast) was applied in the diet of ruminants due to the greater stability of cell survival. The comparison between the WPC + SE + Y. lipo treatment, wall materials, and the non-microencapsulated yeast showed that the microencapsulated yeast obtained a higher soluble fraction, degradability potential, and release of nutrients.
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Affiliation(s)
| | - Gean Pablo Silva Aguiar
- Environmental Sciences Area, Community University of Chapecó Region (Unochapecó), Servidão Anjo da Guarda, 295-D, Bairro Efapi, Chapecó, SC, 89809-900, Brazil
| | - Jean Felipe Fossá Calisto
- Environmental Sciences Area, Community University of Chapecó Region (Unochapecó), Servidão Anjo da Guarda, 295-D, Bairro Efapi, Chapecó, SC, 89809-900, Brazil
| | - Jacir Dal Magro
- Environmental Sciences Area, Community University of Chapecó Region (Unochapecó), Servidão Anjo da Guarda, 295-D, Bairro Efapi, Chapecó, SC, 89809-900, Brazil
| | - Gabriel Rossato
- Department of Animal Science, University of West Santa Catarina, Xanxerê, SC, 89820-000, Brazil
| | - Claiton André Zotti
- Department of Animal Science, University of West Santa Catarina, Xanxerê, SC, 89820-000, Brazil
| | - Guilherme de Souza Hassemer
- Department of Food and Chemical Engineering, URI - Erechim, 1621, Sete de Setembro Av., Erechim, RS, 99709-910, Brazil
| | - Bruna Maria Saorin Puton
- Department of Food and Chemical Engineering, URI - Erechim, 1621, Sete de Setembro Av., Erechim, RS, 99709-910, Brazil
| | - Rogério Luis Cansian
- Department of Food and Chemical Engineering, URI - Erechim, 1621, Sete de Setembro Av., Erechim, RS, 99709-910, Brazil
| | - Rogério Marcos Dallago
- Department of Food and Chemical Engineering, URI - Erechim, 1621, Sete de Setembro Av., Erechim, RS, 99709-910, Brazil
| | - Alexander Junges
- Department of Food and Chemical Engineering, URI - Erechim, 1621, Sete de Setembro Av., Erechim, RS, 99709-910, Brazil.
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Ribeiro GO, Rodrigues LDAP, dos Santos TBS, Alves JPS, Oliveira RS, Nery TBR, Barbosa JDV, Soares MBP. Innovations and developments in single cell protein: Bibliometric review and patents analysis. Front Microbiol 2023; 13:1093464. [PMID: 36741879 PMCID: PMC9897208 DOI: 10.3389/fmicb.2022.1093464] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/22/2022] [Indexed: 01/15/2023] Open
Abstract
Background Global demand for food products derived from alternative proteins and produced through sustainable technological routes is increasing. Evaluation of research progress, main trends and developments in the field are valuable to identify evolutionary nuances. Methods In this study, a bibliometric analysis and search of patents on alternative proteins from fermentation processes was carried out using the Web of Science and Derwent World Patents Index™ databases, using the keywords and Boolean operators "fermentation" AND "single cell protein" OR "single-cell protein." The dataset was processed and graphics generated using the bibliometric software VOSviewer and OriginPro 8.1. Results The analysis performed recovered a total of 360 articles, of which 271 were research articles, 49 literature review articles and 40 publications distributed in different categories, such as reprint, proceedings paper, meeting abstract among others. In addition, 397 patents related to the field were identified, with China being the country with the largest number of publications and patents deposits. While this topic is largely interdisciplinary, the majority of work is in the area of Biotechnology Applied Microbiology, which boasts the largest number of publications. The area with the most patent filings is the food sector, with particular emphasis on the fields of biochemistry, beverages, microbiology, enzymology and genetic engineering. Among these patents, 110 are active, with industries or companies being the largest depositors. Keyword analysis revealed that the area of study involving single cell protein has included investigation into types of microorganisms, fermentation, and substrates (showing a strong trend in the use of agro-industrial by-products) as well as optimization of production processes. Conclusion This bibliometric analysis provided important information, challenges, and trends on this relevant subject.
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Affiliation(s)
- Gislane Oliveira Ribeiro
- Biotechnology Laboratory, Alternative Protein Competence Center, University Center SENAI CIMATEC, Salvador, Brazil
| | - Leticia de Alencar Pereira Rodrigues
- Biotechnology Laboratory, Alternative Protein Competence Center, University Center SENAI CIMATEC, Salvador, Brazil,SENAI Institute of Innovation (ISI) in Health Advanced Systems (CIMATEC ISI SAS), University Center SENAI/CIMATEC, Salvador, Bahia, Brazil,*Correspondence: Leticia de Alencar Pereira Rodrigues, ✉
| | | | - João Pedro Santos Alves
- Biotechnology Laboratory, Alternative Protein Competence Center, University Center SENAI CIMATEC, Salvador, Brazil
| | - Roseane Santos Oliveira
- Biotechnology Laboratory, Alternative Protein Competence Center, University Center SENAI CIMATEC, Salvador, Brazil
| | - Tatiana Barreto Rocha Nery
- Biotechnology Laboratory, Alternative Protein Competence Center, University Center SENAI CIMATEC, Salvador, Brazil
| | - Josiane Dantas Viana Barbosa
- Biotechnology Laboratory, Alternative Protein Competence Center, University Center SENAI CIMATEC, Salvador, Brazil,SENAI Institute of Innovation (ISI) in Health Advanced Systems (CIMATEC ISI SAS), University Center SENAI/CIMATEC, Salvador, Bahia, Brazil
| | - Milena Botelho Pereira Soares
- Biotechnology Laboratory, Alternative Protein Competence Center, University Center SENAI CIMATEC, Salvador, Brazil,SENAI Institute of Innovation (ISI) in Health Advanced Systems (CIMATEC ISI SAS), University Center SENAI/CIMATEC, Salvador, Bahia, Brazil,Gonçalo Moniz Institute, FIOCRUZ, Salvador, Bahia, Brazil,Milena Botelho Pereira Soares,
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Biotechnological Production of Sustainable Microbial Proteins from Agro-Industrial Residues and By-Products. Foods 2022; 12:foods12010107. [PMID: 36613323 PMCID: PMC9818480 DOI: 10.3390/foods12010107] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/02/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Microbial proteins, i.e., single-cell proteins or microbial biomass, can be cultivated for food and animal feed due to their high protein content and the fact that they represent a rich source of carbohydrates, minerals, fats, vitamins, and amino acids. Another advantage of single-cell proteins is their rapid production due to the growth rate of microorganisms and the possibility of using agro-industrial waste, residues and by-products for production through this renewable technology. Agro-industrial residues and by-products represent materials obtained from various processes in agriculture and agriculture-related industries; taking into account their composition and characteristics, as well as vast amounts, they have an enormous potential to generate sustainable bioproducts, such as microbial proteins. This review aims to summarize contemporary scientific research related to the production of microbial proteins on various agro-industrial residues and by-products, as well as to emphasize the current state of production of single-cell proteins and the importance of their production to ease the food crisis and support sustainable development.
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Engineering thermotolerant Yarrowia lipolytica for sustainable biosynthesis of mannitol and fructooligosaccharides. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Pereira AG, Fraga-Corral M, Garcia-Oliveira P, Otero P, Soria-Lopez A, Cassani L, Cao H, Xiao J, Prieto MA, Simal-Gandara J. Single-Cell Proteins Obtained by Circular Economy Intended as a Feed Ingredient in Aquaculture. Foods 2022; 11:2831. [PMID: 36140957 PMCID: PMC9497958 DOI: 10.3390/foods11182831] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/24/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022] Open
Abstract
The constant increment in the world's population leads to a parallel increase in the demand for food. This situation gives place the need for urgent development of alternative and sustainable resources to satisfy this nutritional requirement. Human nutrition is currently based on fisheries, which accounts for 50% of the fish production for human consumption, but also on agriculture, livestock, and aquaculture. Among them, aquaculture has been pointed out as a promising source of animal protein that can provide the population with high-quality protein food. This productive model has also gained attention due to its fast development. However, several aquaculture species require considerable amounts of fish protein to reach optimal growth rates, which represents its main drawback. Aquaculture needs to become sustainable using renewable source of nutrients with high contents of proteins to ensure properly fed animals. To achieve this goal, different approaches have been considered. In this sense, single-cell protein (SCP) products are a promising solution to replace fish protein from fishmeal. SCP flours based on microbes or algae biomass can be sustainably obtained. These microorganisms can be cultured by using residues supplied by other industries such as agriculture, food, or urban areas. Hence, the application of SCP for developing innovative fish meal offers a double solution by reducing the management of residues and by providing a sustainable source of proteins to aquaculture. However, the use of SCP as aquaculture feed also has some limitations, such as problems of digestibility, presence of toxins, or difficulty to scale-up the production process. In this work, we review the potential sources of SCP, their respective production processes, and their implementation in circular economy strategies, through the revalorization and exploitation of different residues for aquaculture feeding purposes. The data analyzed show the positive effects of SCP inclusion in diets and point to SCP meals as a sustainable feed system. However, new processes need to be exploited to improve yield. In that direction, the circular economy is a potential alternative to produce SCP at any time of the year and from various cost-free substrates, almost without a negative impact.
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Affiliation(s)
- Antia G. Pereira
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E32004 Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - Maria Fraga-Corral
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E32004 Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - Paula Garcia-Oliveira
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E32004 Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - Paz Otero
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E32004 Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - Anton Soria-Lopez
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E32004 Ourense, Spain
| | - Lucia Cassani
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E32004 Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA, CONICET), Colón 10850, Mar del Plata 7600, Argentina
| | - Hui Cao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E32004 Ourense, Spain
| | - Jianbo Xiao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E32004 Ourense, Spain
| | - Miguel A. Prieto
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E32004 Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, E32004 Ourense, Spain
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Volff V, de Almeida Rosa Kurosaki JK, Retcheski MC, Maximovski LV, Soares Escorsin KJ, Tormen L, Romão S, Pinto VZ, Bergler Bitencourt T, Cazarolli LH. In Vivo Yarrowia lipolytica Fermented Biomass Feed Supplementation for Shrimp and Its Effects Upon Frozen Meat Storage. JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY 2022. [DOI: 10.1080/10498850.2022.2106604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
| | | | | | | | | | - Luciano Tormen
- Federal University of Fronteira Sul, Laranjeiras do Sul, Brazil
| | - Silvia Romão
- Federal University of Fronteira Sul, Laranjeiras do Sul, Brazil
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Fish Food Production Using Agro-Industrial Waste Enhanced with Spirulina sp. SUSTAINABILITY 2022. [DOI: 10.3390/su14106059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The supply of animal feed is one of the main concerns of producers in the aquaculture industry, including aspects such as the cost of fish flour and its nutritional balance. The aim of this study was the preparation of a pellet-type fish food using powdered Spirulina sp. cultivated as a protein source supplemented with agro-industrial waste, and its evaluation to comply with the necessary parameters for the elaboration of extruded pellets. Spirulina sp. was cultivated in a photobioreactor at a volume of 50 L, separated by decantation and dried. The proximal characterization was 6.79% ± 0.05 moisture, 6.93% ± 0.01 ash, 66.88% ± 0.33 protein, and 5.50% ± 0.26 fat. Subsequently, flours were prepared using cassava leaves, gliricidia leaves, and rice husks. The results for the cohesion showed that the flours obtained to comply with the necessary parameters for the elaboration of extruded food. The fish feed was prepared in pellet form using the formulation for fattening Tilapia: Spirulina sp. (20%), cassava leaf flour (50%), gliricidia leaf flour (20%) and flour of rice husk (10%). Floatation analysis showed that 60% of the pellets floated for more than 40 min, and 80% retained their shape for 4 h. The results show that the obtained product can be used as fish feed, due to the lowest disintegration, together with its great capacity for water absorption and especially, its greater flotage due to the expansion effect, are physic characteristic determinants so that the fish has more time to consume extruded diets and avoid losses.
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Jach ME, Malm A. Yarrowia lipolytica as an Alternative and Valuable Source of Nutritional and Bioactive Compounds for Humans. Molecules 2022; 27:2300. [PMID: 35408699 PMCID: PMC9000428 DOI: 10.3390/molecules27072300] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/24/2022] [Accepted: 03/28/2022] [Indexed: 12/04/2022] Open
Abstract
Yarrowia lipolytica, an oleagineous species of yeast, is a carrier of various important nutrients. The biomass of this yeast is an extensive source of protein, exogenous amino acids, bioavailable essenctial trace minerals, and lipid compounds as mainly unsaturated fatty acids. The biomass also contains B vitamins, including vitamin B12, and many other bioactive components. Therefore, Y. lipolytica biomass can be used in food supplements for humans as safe and nutritional additives for maintaining the homeostasis of the organism, including for vegans and vegetarians, athletes, people after recovery, and people at risk of B vitamin deficiencies.
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Affiliation(s)
- Monika Elżbieta Jach
- Department of Molecular Biology, The John Paul II Catholic University of Lublin, Konstantynów Street 1I, 20-708 Lublin, Poland
| | - Anna Malm
- Department of Pharmaceutical Microbiology, Medical University of Lublin, Chodźki Street 1, 20-093 Lublin, Poland;
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Xue B, Zhao B, Luo S, Wu G, Hui X. Inducing apoptosis in human hepatocellular carcinoma cell lines via Nrf2/HO-1 signalling pathway of blueberry and blackcurrant powder manipulated oat bran paste extracts. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.104967] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Meat Quality of Guinea Pig (Cavia porcellus) Fed with Black Soldier Fly Larvae Meal (Hermetia illucens) as a Protein Source. SUSTAINABILITY 2022. [DOI: 10.3390/su14031292] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The most widely used feed ingredients in the world are fishmeal and soybean, which, despite having high-quality digestible protein and good fat content, are considered environmentally unsustainable and increasingly expensive. This issue also involves the guinea pig, a very important animal protein source for people in Andean regions in South America. Here we investigate the substitution of soybean meal with 50% and 100% black soldier fly larvae meal in the guinea pig diet and its effects on meat quality (fatty acid profile, amino acid profile, water-holding capacity, pH, proximal composition, and color). The results showed no differences in the protein content and amino acid profile of meat nor in the n-6:n-3 and P/S ratios, but did show an increment in the desirable fats (mono- and polyunsaturated fatty acids) in the guinea pigs fed with black soldier fly larvae meal. All the other analyzed parameters showed no differences among the diets tested. These results suggest that total replacement of soybean meal with black soldier fly larvae meal in guinea pig nutrition is feasible since meat quality was maintained or improved.
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Jach ME, Serefko A, Ziaja M, Kieliszek M. Yeast Protein as an Easily Accessible Food Source. Metabolites 2022; 12:63. [PMID: 35050185 PMCID: PMC8780597 DOI: 10.3390/metabo12010063] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/07/2022] [Accepted: 01/09/2022] [Indexed: 02/07/2023] Open
Abstract
In recent years, the awareness and willingness of consumers to consume healthy food has grown significantly. In order to meet these needs, scientists are looking for innovative methods of food production, which is a source of easily digestible protein with a balanced amino acid composition. Yeast protein biomass (single cell protein, SCP) is a bioavailable product which is obtained when primarily using as a culture medium inexpensive various waste substrates including agricultural and industrial wastes. With the growing population, yeast protein seems to be an attractive alternative to traditional protein sources such as plants and meat. Moreover, yeast protein biomass also contains trace minerals and vitamins including B-group. Thus, using yeast in the production of protein provides both valuable nutrients and enhances purification of wastes. In conclusion, nutritional yeast protein biomass may be the best option for human and animal nutrition with a low environmental footprint. The rapidly evolving SCP production technology and discoveries from the world of biotechnology can make a huge difference in the future for the key improvement of hunger problems and the possibility of improving world food security. On the market of growing demand for cheap and environmentally clean SCP protein with practically unlimited scale of production, it may soon become one of the ingredients of our food. The review article presents the possibilities of protein production by yeast groups with the use of various substrates as well as the safety of yeast protein used as food.
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Affiliation(s)
- Monika Elżbieta Jach
- Department of Molecular Biology, The John Paul II Catholic University of Lublin, Konstantynów Street 1I, 20-708 Lublin, Poland
| | - Anna Serefko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki Street 4a, 20-093 Lublin, Poland;
| | - Maria Ziaja
- Institute of Physical Culture Studies, Medical College, University of Rzeszów, Cicha Street 2a, 35-326 Rzeszów, Poland;
| | - Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, Nowoursynowska Street 159C, 02-776 Warsaw, Poland
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Neuls L, Souza VJD, Romão S, Bitencourt TB, Ramos CJR, Parra JEG, Cazarolli LH. Immunomodulatory effects of Yarrowia lipolytica as a food additive in the diet of Nile tilapia. FISH & SHELLFISH IMMUNOLOGY 2021; 119:272-279. [PMID: 34653665 DOI: 10.1016/j.fsi.2021.10.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 10/06/2021] [Accepted: 10/11/2021] [Indexed: 06/13/2023]
Abstract
The use of yeasts as a dietary additive for fish can act as a source of nutrients and as an immunostimulant. This work aimed to evaluate the effects of the fermented biomass of the yeast Yarrowia lipolytica as a food additive on zootechnical and hematological parameters, and on immune response in the plasma and kidney of Nile Tilapia (Oreochromis niloticus). After supplementation with 3, 5, and 7% of the yeast biomass for 35 days, the blood and tissues of the animals of each experimental group were collected for analysis. The addition of this biomass in the feed promoted an improvement of zootechnical parameters in tilapia. There was also a rise in the number of neutrophils (groups with 3, 5, and 7%) and monocytes (group 3, 5, and 7%) compared with the control group. Moreover, there was an increase in the levels of lysozyme, myeloperoxidase, and nitrite/nitrate content in the blood of animals fed with yeast biomass. On the other hand, there were no observed alterations in survival and hematological parameters of animals fed with yeast biomass. In the analysis of the kidney, the addition of biomass in feed promoted an increase in levels of myeloperoxidase (group with 3%) but did not alter the levels of lysozyme and nitrite/nitrate content. In conclusion, this study demonstrated that Y. lipolytica had growth and immunostimulatory effects on Nile tilapia. These findings strongly suggest the potential application of a Y. lipolytica-based immunostimulant for tilapia aquaculture.
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Affiliation(s)
- Luciane Neuls
- Federal University of Fronteira Sul, Laranjeiras Do Sul Campus, Km 405, BR 158 Road, P.O. Box: 106, 85301-970, Laranjeiras Do Sul, PR, Brazil
| | - Valmir José de Souza
- Federal University of Fronteira Sul, Laranjeiras Do Sul Campus, Km 405, BR 158 Road, P.O. Box: 106, 85301-970, Laranjeiras Do Sul, PR, Brazil
| | - Silvia Romão
- Federal University of Fronteira Sul, Laranjeiras Do Sul Campus, Km 405, BR 158 Road, P.O. Box: 106, 85301-970, Laranjeiras Do Sul, PR, Brazil
| | - Thiago Bergler Bitencourt
- Federal University of Fronteira Sul, Laranjeiras Do Sul Campus, Km 405, BR 158 Road, P.O. Box: 106, 85301-970, Laranjeiras Do Sul, PR, Brazil
| | - Carlos José Raupp Ramos
- Federal University of Fronteira Sul, Laranjeiras Do Sul Campus, Km 405, BR 158 Road, P.O. Box: 106, 85301-970, Laranjeiras Do Sul, PR, Brazil
| | - Jorge Erick Garcia Parra
- Federal University of Fronteira Sul, Laranjeiras Do Sul Campus, Km 405, BR 158 Road, P.O. Box: 106, 85301-970, Laranjeiras Do Sul, PR, Brazil
| | - Luisa Helena Cazarolli
- Federal University of Fronteira Sul, Laranjeiras Do Sul Campus, Km 405, BR 158 Road, P.O. Box: 106, 85301-970, Laranjeiras Do Sul, PR, Brazil.
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Javourez U, O'Donohue M, Hamelin L. Waste-to-nutrition: a review of current and emerging conversion pathways. Biotechnol Adv 2021; 53:107857. [PMID: 34699952 DOI: 10.1016/j.biotechadv.2021.107857] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 10/10/2021] [Accepted: 10/13/2021] [Indexed: 12/17/2022]
Abstract
Residual biomass is acknowledged as a key sustainable feedstock for the transition towards circular and low fossil carbon economies to supply whether energy, chemical, material and food products or services. The latter is receiving increasing attention, in particular in the perspective of decoupling nutrition from arable land demand. In order to provide a comprehensive overview of the technical possibilities to convert residual biomasses into edible ingredients, we reviewed over 950 scientific and industrial records documenting existing and emerging waste-to-nutrition pathways, involving over 150 different feedstocks here grouped under 10 umbrella categories: (i) wood-related residual biomass, (ii) primary crop residues, (iii) manure, (iv) food waste, (v) sludge and wastewater, (vi) green residual biomass, (vii) slaughterhouse by-products, (viii) agrifood co-products, (ix) C1 gases and (x) others. The review includes a detailed description of these pathways, as well as the processes they involve. As a result, we proposed four generic building blocks to systematize waste-to-nutrition conversion sequence patterns, namely enhancement, cracking, extraction and bioconversion. We further introduce a multidimensional representation of the biomasses suitability as potential as nutritional sources according to (i) their content in anti-nutritional compounds, (ii) their degree of structural complexity and (iii) their concentration of macro- and micronutrients. Finally, we suggest that the different pathways can be grouped into eight large families of approaches: (i) insect biorefinery, (ii) green biorefinery, (iii) lignocellulosic biorefinery, (iv) non-soluble protein recovery, (v) gas-intermediate biorefinery, (vi) liquid substrate alternative, (vii) solid-substrate fermentation and (viii) more-out-of-slaughterhouse by-products. The proposed framework aims to support future research in waste recovery and valorization within food systems, along with stimulating reflections on the improvement of resources' cascading use.
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Affiliation(s)
- U Javourez
- TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France
| | - M O'Donohue
- TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France
| | - L Hamelin
- TBI, Université de Toulouse, CNRS, INRAE, INSA, Toulouse, France.
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Guardiola FA, Esteban MÁ, Angulo C. Yarrowia lipolytica, health benefits for animals. Appl Microbiol Biotechnol 2021; 105:7577-7592. [PMID: 34536101 DOI: 10.1007/s00253-021-11584-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/03/2021] [Accepted: 09/08/2021] [Indexed: 12/17/2022]
Abstract
The yeast Yarrowia lipolytica has been industrially adopted for docosahexaenoic acid and eicosapentaenoic acid production under good manufacturing practices over 2 decades. In recent years, it has claimed attention for novel biotechnological applications, such as a functional feed additive for animals. Studies have demonstrated that this yeast is safe and has probiotic and nutritional properties for mammals, birds, fish, crustaceans, and molluscs. Animals fed Y. lipolytica enhanced productive and immune parameters, as well as modulated microbiome, fatty acid composition, and biochemical profiles. Additionally, some Y. lipolytica-derived compounds have improved productive performance, immune status, and disease resistance in animals. Therefore, the aim of this review is to identify and discuss research advances on the potential use of this yeast for animals of economic interest. Challenges, opportunities, and trends were identified and envisioned in the near future for this industrially produced yeast. KEY POINTS: • Yarrowia lipolytica has probiotic and nutritional effects in animals. • Lipase2, EPA, and β-glucan from Y. lipolytica have health benefits for animals. • Y. lipolytica is envisioned in terrestrial and aquatic animal production systems.
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Affiliation(s)
- Francisco A Guardiola
- Immunobiology for Aquaculture Group, Department of Cell Biology and Histology, Faculty of Biology, Universidad de Murcia, Campus of International Excellence, Campus Mare Nostrum, 30100, Murcia, Spain.,Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros Do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Porto, Portugal
| | - María Ángeles Esteban
- Immunobiology for Aquaculture Group, Department of Cell Biology and Histology, Faculty of Biology, Universidad de Murcia, Campus of International Excellence, Campus Mare Nostrum, 30100, Murcia, Spain
| | - Carlos Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, SC., Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S. C.P., 23096, México.
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18
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Gottardi D, Siroli L, Vannini L, Patrignani F, Lanciotti R. Recovery and valorization of agri-food wastes and by-products using the non-conventional yeast Yarrowia lipolytica. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.06.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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19
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Chojnacka K, Mikula K, Izydorczyk G, Skrzypczak D, Witek-Krowiak A, Gersz A, Moustakas K, Iwaniuk J, Grzędzicki M, Korczyński M. Innovative high digestibility protein feed materials reducing environmental impact through improved nitrogen-use efficiency in sustainable agriculture. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 291:112693. [PMID: 33962281 DOI: 10.1016/j.jenvman.2021.112693] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 04/20/2021] [Accepted: 04/20/2021] [Indexed: 06/12/2023]
Abstract
Sustainable development in agriculture brings both environmental and economic benefits. Contemporary agriculture is also about increasing nutrient use efficiency, especially nitrogen, as the critical nutrient causing the most significant environmental pressure. This creates the need to produce highly digestible protein feed with high bioavailability, reducing losses of biogenic elements to feces. In this review, the latest trends and the potential for their implementation in sustainable agriculture have been compared, as well as the need to reduce the negative environmental impact of agriculture has been demonstrated. Applying local protein sources to feed animals reduces greenhouse gas emissions associated with transportation. The production of highly digestible fodder leads to a reduction in environmental pollution caused by excessive nitrogen outflows. Another approach indecreasing ammonia emissions from livestock farming is feed protein reduction and amino acid supplementation. All of the aforementioned approaches may result in beneficial long-term changes, contributing to environmental safety, animal welfare and human health.
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Affiliation(s)
- Katarzyna Chojnacka
- Department of Advanced Material Technology, Faculty of Chemistry, Wroclaw University of Science and Technology, Wroclaw 50-372, ul. M. Smoluchowskiego 25, Poland
| | - Katarzyna Mikula
- Department of Advanced Material Technology, Faculty of Chemistry, Wroclaw University of Science and Technology, Wroclaw 50-372, ul. M. Smoluchowskiego 25, Poland
| | - Grzegorz Izydorczyk
- Department of Advanced Material Technology, Faculty of Chemistry, Wroclaw University of Science and Technology, Wroclaw 50-372, ul. M. Smoluchowskiego 25, Poland.
| | - Dawid Skrzypczak
- Department of Advanced Material Technology, Faculty of Chemistry, Wroclaw University of Science and Technology, Wroclaw 50-372, ul. M. Smoluchowskiego 25, Poland
| | - Anna Witek-Krowiak
- Department of Advanced Material Technology, Faculty of Chemistry, Wroclaw University of Science and Technology, Wroclaw 50-372, ul. M. Smoluchowskiego 25, Poland
| | - Aleksandra Gersz
- Department of Advanced Material Technology, Faculty of Chemistry, Wroclaw University of Science and Technology, Wroclaw 50-372, ul. M. Smoluchowskiego 25, Poland
| | - Konstantinos Moustakas
- School of Chemical Engineering, National Technical University of Athens, 9 Iroon Polytechniou Str., Zographou Campus, GR-15780, Athens, Greece
| | | | | | - Mariusz Korczyński
- Department of Environmental Hygiene and Animal Welfare, Wrocław University of Environmental and Life Science, ul. Chełmońskiego 38C, 55-630, Wrocław, Poland
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Tomaszewska-Hetman L, Rywińska A, Lazar Z, Juszczyk P, Rakicka-Pustułka M, Janek T, Kuźmińska-Bajor M, Rymowicz W. Application of a New Engineered Strain of Yarrowia lipolytica for Effective Production of Calcium Ketoglutarate Dietary Supplements. Int J Mol Sci 2021; 22:7577. [PMID: 34299193 PMCID: PMC8304598 DOI: 10.3390/ijms22147577] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/09/2021] [Accepted: 07/12/2021] [Indexed: 01/02/2023] Open
Abstract
The present study aimed to develop a technology for the production of dietary supplements based on yeast biomass and α-ketoglutaric acid (KGA), produced by a new transformant of Yarrowia lipolytica with improved KGA biosynthesis ability, as well to verify the usefulness of the obtained products for food and feed purposes. Transformants of Y. lipolytica were constructed to overexpress genes encoding glycerol kinase, methylcitrate synthase and mitochondrial organic acid transporter. The strains were compared in terms of growth ability in glycerol- and oil-based media as well as their suitability for KGA biosynthesis in mixed glycerol-oil medium. The impact of different C:N:P ratios on KGA production by selected strain was also evaluated. Application of the strain that overexpressed all three genes in the culture with a C:N:P ratio of 87:5:1 allowed us to obtain 53.1 g/L of KGA with productivity of 0.35 g/Lh and yield of 0.53 g/g. Finally, the possibility of obtaining three different products with desired nutritional and health-beneficial characteristics was demonstrated: (1) calcium α-ketoglutarate (CaKGA) with purity of 89.9% obtained by precipitation of KGA with CaCO3, (2) yeast biomass with very good nutritional properties, (3) fixed biomass-CaKGA preparation containing 87.2 μg/g of kynurenic acid, which increases the health-promoting value of the product.
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Affiliation(s)
- Ludwika Tomaszewska-Hetman
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, Chełmońskiego Street 37, 51-630 Wrocław, Poland; (A.R.); (Z.L.); (P.J.); (M.R.-P.); (T.J.); (M.K.-B.); (W.R.)
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21
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Muhizi S, Kim I. Effect of dietary poppy ( Papaver somniferum L.) seed meal supplementation on growth performance, nutrient digestibility, faecal microbiota, and blood profile in growing-finishing pigs. JOURNAL OF ANIMAL AND FEED SCIENCES 2021. [DOI: 10.22358/jafs/133958/2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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22
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Abdollahzadeh F, Ahmadi F, Khani M, Mirzaei M. Poultry by-product meal as a replacement to xylose-treated soybean meal in diet of early- to mid-lactation Holstein cows. Trop Anim Health Prod 2020; 53:38. [PMID: 33230637 DOI: 10.1007/s11250-020-02454-9] [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: 08/06/2020] [Accepted: 10/25/2020] [Indexed: 10/22/2022]
Abstract
The objectives were to compare the effectiveness of poultry by-product meal (PBM) with xylose-treated soybean meal (x-SBM) as a conventional protein source and rumen-undegraded protein (RUP):rumen-degraded protein (RDP) ratio on nutrient digestibility, nitrogen metabolism, and production of early- to mid-lactation Holsteins. Twelve multiparous cows averaging (mean ± SD) 50 ± 9 days in milk were randomly assigned to a replicated 4 × 4 Latin square design within a 2 × 2 factorial arrangement of treatments. Each period was 28 days in length. Treatments were RUP sources (PBM or x-SBM) with either a high or a low RUP:RDP ratio (high ratio = 40:60 or low ratio = 36:64; based on % of crude protein (CP)). Experimental diets were balanced to be similar in protein and energy contents (CP = 16.7% of DM; NEL = 1.67 Mcal/kg DM). Prior to diet formulation, an in situ pilot experiment was conducted to estimate the RUP fractions of x-SBM and PBM as 63.9% and 54.1% of CP, respectively. Treatments had no effect on ruminal pH and total volatile fatty acid (VFA) and molar percentage of individual VFAs. Treatments had no effect on total tract apparent digestibility of DM, OM, and neutral detergent fiber (NDF), with the exception of N that was greater in diets with a low RUP:RDP ratio (68.2 vs. 70.1% of DM). DM consumption was 0.70 kg/day higher when cows were fed PBM diet compared with x-SBM diet. No treatment effect was observed on milk yield and milk composition; however, milk protein yield and milk urea N were greater in cows fed PBM. Inclusion of PBM in the diet in substitution to x-SBM resulted in increased blood levels of urea N, cholesterol, and non-esterified fatty acid (NEFA). There was no interaction between the RUP source and the RUP:RDP ratio for urinary and fecal N excretion. Efficiency of N utilization expressed as milk N secretion as a proportion of N intake tended to be greater in cows fed PBM. Feeding diets with a low ratio of RUP:RDP increased efficiency of milk production expressed as milk yield as a proportion of total N excretion (fecal and urinary N). Feeding a diet with PBM supported milk production comparable with x-SBM and had positive effects on feed intake, milk protein yield, and milk N efficiency.
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Affiliation(s)
- F Abdollahzadeh
- Department of Animal Science, Tabriz University, Tabriz, Iran
| | - F Ahmadi
- Division of Food Biosciences, College of Medical Life Sciences, Konkuk University, Chung-Ju, Chung-Buk, South Korea
| | - M Khani
- Department of Animal Science, Isfahan University of Technology, Isfahan, Iran.
| | - M Mirzaei
- Department of Animal Science, Faculty of Agriculture and Natural Resources, Arak University, Arak, Iran
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