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Rajput SD, Pandey N, Sahu K. A comprehensive report on valorization of waste to single cell protein: strategies, challenges, and future prospects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:26378-26414. [PMID: 38536571 DOI: 10.1007/s11356-024-33004-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 03/16/2024] [Indexed: 05/04/2024]
Abstract
The food insecurity due to a vertical increase in the global population urgently demands substantial advancements in the agricultural sector and to identify sustainable affordable sources of nutrition, particularly proteins. Single-cell protein (SCP) has been revealed as the dried biomass of microorganisms such as algae, yeast, and bacteria cultivated in a controlled environment. Production of SCP is a promising alternative to conventional protein sources like soy and meat, due to quicker production, minimal land requirement, and flexibility to various climatic conditions. In addition to protein production, it also contributes to waste management by converting it into food and feed for both human and animal consumption. This article provides an overview of SCP production, including its benefits, safety, acceptability, and cost, as well as limitations that constrains its maximum use. Furthermore, this review criticizes the downstream processing of SCP, encompassing cell wall disruption, removal of nucleic acid, harvesting of biomass, drying, packaging, storage, and transportation. The potential applications of SCP, such as in food and feed as well as in the production of bioplastics, emulsifiers, and as flavoring agents for baked food, soup, and salad, are also discussed.
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Affiliation(s)
- Sharda Devi Rajput
- School of Studies in Biotechnology, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, 492 010, India
| | - Neha Pandey
- School of Studies in Biotechnology, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, 492 010, India
| | - Keshavkant Sahu
- School of Studies in Biotechnology, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, 492 010, India.
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Hamza A, Mylarapu A, Krishna KV, Kumar DS. An insight into the nutritional and medicinal value of edible mushrooms: A natural treasury for human health. J Biotechnol 2024; 381:86-99. [PMID: 38181980 DOI: 10.1016/j.jbiotec.2023.12.014] [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: 07/16/2023] [Revised: 12/24/2023] [Accepted: 12/29/2023] [Indexed: 01/07/2024]
Abstract
Edible mushrooms have been cherished worldwide because of their nutraceutical and medicinal properties. They are recognized as the new superfood for the future due to their low-calorie content, high-protein content, low lipid levels, low cholesterol levels, and abundance of essential vitamins. The fruiting body of edible mushrooms contains a plethora of primary and secondary metabolites. However, submerged cultivation is a more reliable and controlled way of production of mycelium biomass and many bioactive compounds. Several bioactive metabolites present in mushrooms possess a range of beneficial properties, including antioxidant, antimicrobial, anticancer, antidiabetic, anti-inflammatory, antiviral and anti-COVID-19 activities. Consumers have turned more intrigued in mushroom-containing products as the world needs to diversify its protein sources to meet the growing demand for protein. In this context, mushrooms are viewed as a promising source of bioactive chemicals that can be employed as an alternative to meat products. This review aims to summarise the most recent data regarding the beneficial health effects and the development of mushroom-based food products.
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Affiliation(s)
- Arman Hamza
- Department of Chemical Engineering, Indian Institute of Technology Hyderabad, Telangana, India
| | - Ankit Mylarapu
- Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - K Vijay Krishna
- Department of Computer Science, Lovely Professional University, Phagwara, Punjab, India
| | - Devarai Santhosh Kumar
- Department of Chemical Engineering, Indian Institute of Technology Hyderabad, Telangana, India.
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Krupodorova T, Barshteyn V, Tsygankova V, Sevindik M, Blume Y. Strain-specific features of Pleurotus ostreatus growth in vitro and some of its biological activities. BMC Biotechnol 2024; 24:9. [PMID: 38331794 PMCID: PMC10851480 DOI: 10.1186/s12896-024-00834-9] [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: 12/01/2023] [Accepted: 01/29/2024] [Indexed: 02/10/2024] Open
Abstract
BACKGROUND The production of Pleurotus ostreatus mycelium as a promising object for use in food and other industries is hampered by a lack of information about the strain-specificity of this fungus mycelium growth and its acquisition of various biological activities. Therefore, this research aimed to investigate mycelial growth of different P. ostreatus strains on varies solid and liquid media as well as to evaluate strains antagonistic, antibacterial, antiradical scavenging activities, and total phenolic content. RESULTS Potato Dextrose Agar medium was suitable for all strains except P. ostreatus strain 2460. The best growth rate of P. ostreatus 2462 strain on solid culture media was 15.0 ± 0.8 mm/day, and mycelia best growth on liquid culture media-36.5 ± 0.2 g/l. P. ostreatus strains 551 and 1685 were more susceptible to positive effect of plant growth regulators Ivin, Methyur and Kamethur. Using of nutrient media based on combination of natural waste (amaranth flour cake and wheat germ, wheat bran, broken vermicelli and crumbs) has been increased the yield of P. ostreatus strains mycelium by 2.2-2.9 times compared to the control. All used P. ostreatus strains displayed strong antagonistic activity in co-cultivation with Aspergillus niger, Candida albicans, Issatchenkia orientalis, Fusarium poae, Microdochium nivale in dual-culture assay. P. ostreatus 2462 EtOAc mycelial extract good inhibited growth of Escherichia coli (17.0 ± 0.9 mm) while P. ostreatus 2460 suppressed Staphylococcus aureus growth (21.5 ± 0.5 mm) by agar well diffusion method. The highest radical scavenging effect displayed both mycelial extracts (EtOH and EtOAc) of P. ostreatus 1685 (61 and 56%) by DPPH assay as well as high phenolic content (7.17 and 6.73 mg GAE/g) by the Folin-Ciocalteu's method. The maximal total phenol content (7.52 mg GAE/g) demonstrated of P. ostreatus 2461 EtOH extract. CONCLUSIONS It is found that the growth, antibacterial, antiradical scavenging activity as well as total phenolic content were dependent on studied P. ostreatus strains in contrast to antagonistic activity. The proposed culture mediums of natural waste could be an alternative to commercial mediums for the production mycelial biomass of P. ostreatus strains.
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Affiliation(s)
- Tetiana Krupodorova
- Department of Plant Food Products and Biofortification, Institute of Food Biotechnology and Genomics of the National Academy of Sciences of Ukraine, Baidy-Vyshnevetskoho Str. 2a, Kyiv, 04123, Ukraine
| | - Victor Barshteyn
- Department of Plant Food Products and Biofortification, Institute of Food Biotechnology and Genomics of the National Academy of Sciences of Ukraine, Baidy-Vyshnevetskoho Str. 2a, Kyiv, 04123, Ukraine.
| | - Victoria Tsygankova
- Department of Chemistry of Bioactive Nitrogen-Containing Heterocyclic Bases, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, Academician Kukhar Str. 1, Kyiv, 02094, Ukraine
| | - Mustafa Sevindik
- Department of Food Processing, Bahçe Vocational School, Osmaniye Korkut Ata University, İslam Ali Farsakoğlu Cad No:66, 80000, Bahçe/Osmaniye, Turkey
| | - Yaroslav Blume
- Department of Plant Food Products and Biofortification, Institute of Food Biotechnology and Genomics of the National Academy of Sciences of Ukraine, Baidy-Vyshnevetskoho Str. 2a, Kyiv, 04123, Ukraine
- Department of Genomics and Molecular Biotechnology, Institute of Food Biotechnology and Genomics of the National Academy of Sciences of Ukraine, Baidy-Vyshnevetskoho Str. 2a, 04123, Kyiv, Ukraine
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Kintl A, Vítěz T, Huňady I, Sobotková J, Hammerschmiedt T, Vítězová M, Brtnický M, Holátko J, Elbl J. Effect of Mycotoxins in Silage on Biogas Production. Bioengineering (Basel) 2023; 10:1387. [PMID: 38135978 PMCID: PMC10740816 DOI: 10.3390/bioengineering10121387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/22/2023] [Accepted: 11/26/2023] [Indexed: 12/24/2023] Open
Abstract
Mycotoxins can pose a threat to biogas production as they can contaminate the feedstock used in biogas production, such as agricultural crops and other organic materials. This research study evaluated the contents of deoxynivalenol (DON), zearalenone (ZEA), fumonisin (FUM), and aflatoxin (AFL) mycotoxins in maize silage prior to it being processed in a biogas plant and in digestate produced at the end of the anaerobic digestion (AD) process. In the experiment, three samples of silage were collected from one silage warehouse: Variant 1 = low contamination, Variant 2 = medium contamination, and Variant 3 = heavy contamination, which were subjected to investigation. A significantly reduced biogas production was recorded that was proportional to the increasing contamination with molds, which was primarily due to the AD of silage caused by technologically erroneous silage treatment. The AD was connected with changes in silage composition expressed by the values of VS content, sugar content, lactic acid content, acetic acid content, and the ratio of lactic acid content to acetic acid content. The production of biogas and methane decreased with the increasing contents of NDF, ADF, CF, and lignin. The only exception was Variant 2, in which the content of ADF, CF, and lignin was lower (by 8-11%) than that in Variant 1, and only the content of NDF was higher (by 9%) than that in Variant 1. A secondary factor that also correlated with changes in the composition of the substrate was the development of undesirable organisms, which further contributed to its degradation and to the production of mycotoxins. It was also demonstrated in this study that during the AD process, the tested mycotoxins were degraded, and their content was reduced by 27-100%. Only the variant with low mold contamination showed a DON concentration increase of 27.8%.
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Affiliation(s)
- Antonín Kintl
- Agricultural Research, Ltd., Zahradní 1, 664 41 Troubsko, Czech Republic; (A.K.); (I.H.); (J.S.)
| | - Tomáš Vítěz
- Department of Agricultural, Food and Environmental Engineering, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
- Department of Experimental Biology, Section of Microbiology, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic;
| | - Igor Huňady
- Agricultural Research, Ltd., Zahradní 1, 664 41 Troubsko, Czech Republic; (A.K.); (I.H.); (J.S.)
| | - Julie Sobotková
- Agricultural Research, Ltd., Zahradní 1, 664 41 Troubsko, Czech Republic; (A.K.); (I.H.); (J.S.)
| | - Tereza Hammerschmiedt
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic; (T.H.); (M.B.); (J.H.)
| | - Monika Vítězová
- Department of Experimental Biology, Section of Microbiology, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic;
| | - Martin Brtnický
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic; (T.H.); (M.B.); (J.H.)
| | - Jiří Holátko
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic; (T.H.); (M.B.); (J.H.)
- Agrovyzkum Rapotin, Ltd., Vyzkumniku 267, 788 13 Rapotin, Czech Republic
| | - Jakub Elbl
- Agricultural Research, Ltd., Zahradní 1, 664 41 Troubsko, Czech Republic; (A.K.); (I.H.); (J.S.)
- Department of Agrosystems and Bioclimatology, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
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Kachrimanidou V, Papadaki A, Papapostolou H, Alexandri M, Gonou-Zagou Z, Kopsahelis N. Ganoderma lucidum Mycelia Mass and Bioactive Compounds Production through Grape Pomace and Cheese Whey Valorization. Molecules 2023; 28:6331. [PMID: 37687160 PMCID: PMC10489755 DOI: 10.3390/molecules28176331] [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: 07/23/2023] [Revised: 08/11/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
Numerous compounds obtained from the medicinal mushroom Ganoderma lucidum have evidenced renowned bioactive characteristics. Controlled fermentation to generate fungal mycelia confers several advantages, specifically when the valorization of agro-industrial streams as fermentation feedstocks is included. Submerged fermentation of a newly isolated Greek strain of G. lucidum was performed using conventional synthetic media and, also, grape pomace extract (GPE) and cheese whey permeate (CWP) under static and shaking conditions. Under shaking conditions, maximum biomass with GPE and supplementation with organic nitrogen reached 17.8 g/L. The addition of an elicitor in CWP resulted in a significant improvement in biomass production that exceeded synthetic media. Overall, agitation demonstrated a positive impact on biomass productivity and, therefore, on process optimization. Crude intracellular and extracellular polysaccharides were extracted and evaluated regarding antioxidant activity and polysaccharide and protein content. FTIR analysis confirmed the preliminary chemical characterization of the crude extracts. This study introduces the design of a bioprocessing scenario to utilize food industry by-products as onset feedstocks for fungal bioconversions to obtain potential bioactive molecules within the concept of bioeconomy.
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Affiliation(s)
- Vasiliki Kachrimanidou
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece; (V.K.); (A.P.)
| | - Aikaterini Papadaki
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece; (V.K.); (A.P.)
| | - Harris Papapostolou
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece; (V.K.); (A.P.)
| | - Maria Alexandri
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece; (V.K.); (A.P.)
| | - Zacharoula Gonou-Zagou
- Department of Ecology and Systematics, Faculty of Biology, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Nikolaos Kopsahelis
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece; (V.K.); (A.P.)
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