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Danciu CA, Tulbure A, Stanciu MA, Antonie I, Capatana C, Zerbeș MV, Giurea R, Rada EC. Overview of the Sustainable Valorization of Using Waste and By-Products in Grain Processing. Foods 2023; 12:3770. [PMID: 37893664 PMCID: PMC10606821 DOI: 10.3390/foods12203770] [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: 08/21/2023] [Revised: 10/05/2023] [Accepted: 10/11/2023] [Indexed: 10/29/2023] Open
Abstract
In an increasingly resource-constrained era, using waste and by-products from grain processing has a wide appeal. This is due to the nutritive value and economic aspects of this process and due to its compatibility with the trend towards more sustainable food systems. Following the fundamentals of circular economy, a current need is the effective utilization of grain waste and by-products for conversion into value-added products in the food industry. The aim of this study is twofold: (1) using bibliometrics and the literature found in various databases, we aim to understand the progress of valorizing grain waste and by-products in human nutrition. The literature within various databases, namely, Google Scholar, Web of Science, and Elsevier Scopus, has been evaluated for its merits and values. (2) We aim to explore knowledge-based strategies by reviewing the literature concerning the possible use of grain waste and by-products for the food processing industry, reducing the burden on virgin raw materials. The review allowed us to unlock the latest advances in upcycling side streams and waste from the grain processing industry.
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Affiliation(s)
- Cristina-Anca Danciu
- Food Industry and Environmental Protection, Lucian Blaga University of Sibiu, 7-9 Dr. Ion Ratiu Street, 550012 Sibiu, Romania; (C.-A.D.); (M.-A.S.); (I.A.); (C.C.)
| | - Anca Tulbure
- Food Industry and Environmental Protection, Lucian Blaga University of Sibiu, 7-9 Dr. Ion Ratiu Street, 550012 Sibiu, Romania; (C.-A.D.); (M.-A.S.); (I.A.); (C.C.)
| | - Mirela-Aurora Stanciu
- Food Industry and Environmental Protection, Lucian Blaga University of Sibiu, 7-9 Dr. Ion Ratiu Street, 550012 Sibiu, Romania; (C.-A.D.); (M.-A.S.); (I.A.); (C.C.)
| | - Iuliana Antonie
- Food Industry and Environmental Protection, Lucian Blaga University of Sibiu, 7-9 Dr. Ion Ratiu Street, 550012 Sibiu, Romania; (C.-A.D.); (M.-A.S.); (I.A.); (C.C.)
| | - Ciprian Capatana
- Food Industry and Environmental Protection, Lucian Blaga University of Sibiu, 7-9 Dr. Ion Ratiu Street, 550012 Sibiu, Romania; (C.-A.D.); (M.-A.S.); (I.A.); (C.C.)
| | - Mihai Victor Zerbeș
- Department of Industrial Engineering and Management, Lucian Blaga University of Sibiu, 4 Emil Cioran Street, 550025 Sibiu, Romania; (M.V.Z.); (R.G.)
| | - Ramona Giurea
- Department of Industrial Engineering and Management, Lucian Blaga University of Sibiu, 4 Emil Cioran Street, 550025 Sibiu, Romania; (M.V.Z.); (R.G.)
| | - Elena Cristina Rada
- Department of Theoretical and Applied Sciences, University of Insubria, 46 Via G.B. Vico, 21100 Varese, Italy;
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Kobayashi Y, El-Wali M, Guðmundsson H, Guðmundsdóttir EE, Friðjónsson ÓH, Karlsson EN, Roitto M, Tuomisto HL. Life-cycle assessment of yeast-based single-cell protein production with oat processing side-stream. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 873:162318. [PMID: 36805067 DOI: 10.1016/j.scitotenv.2023.162318] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 06/18/2023]
Abstract
Production of fish meal and plant-based feed proteins continues to increase to meet the growing demand for seafood, leading to impacts on marine and terrestrial ecosystems. Microbial proteins such as single-cell proteins (SCPs) have been introduced as feed alternatives since they can replace current fish feed ingredients, e.g., soybean, which are associated with negative environmental impacts. Microbial protein production also enables utilization of grain processing side-streams as feedstock sources. This study assesses the environmental impacts of yeast-based SCP using oat side-stream as feedstock (OS-SCP). Life-cycle assessment with a cradle-to-gate approach was used to quantify global warming, freshwater eutrophication, marine eutrophication, terrestrial acidification, land use, and water consumption of OS-SCP production in Finland. Dried and wet side-streams of oat were compared with each other to identify differences in energy consumption and transportation effects. Sensitivity analysis was performed to examine the difference in impacts at various locations and fermentation times. Benchmarking was used to evaluate the environmental impacts of OS-SCP and other feed products, including both conventional and novel protein products. Results highlight the importance of energy sources in quantifying the environmental performance of OS-SCP production. OS-SCP produced with dried side-streams resulted in higher global warming (16.3 %) and water consumption (7.5 %) than OS-SCP produced from wet side-streams, reflecting the energy and water requirements for the drying process. Compared with conventional products, such as soy protein concentrates, OS-SCP resulted in 61 % less land use, while exacerbating the environmental impacts in all the other categories. OS-SCP had more impact on global warming (205-754 %), water consumption (166-1401 %), freshwater eutrophication (118-333 %), and terrestrial acidification (85-340 %) than other novel products, including yeast protein concentrate, methanotrophic bacterial SCP, and insect meal, while lowering global warming (11 %) and freshwater eutrophication (20 %) compared with dry microalgae biomass.
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Affiliation(s)
- Yumi Kobayashi
- Department of Agricultural Sciences, Faculty of Agriculture and Forestry, 27, 00014, University of Helsinki, Finland; Helsinki Institute of Sustainability Science (HELSUS), 4, 00014, University of Helsinki, Finland
| | - Mohammad El-Wali
- Department of Agricultural Sciences, Faculty of Agriculture and Forestry, 27, 00014, University of Helsinki, Finland; Helsinki Institute of Sustainability Science (HELSUS), 4, 00014, University of Helsinki, Finland.
| | | | | | | | | | - Marja Roitto
- Department of Agricultural Sciences, Faculty of Agriculture and Forestry, 27, 00014, University of Helsinki, Finland; Helsinki Institute of Sustainability Science (HELSUS), 4, 00014, University of Helsinki, Finland
| | - Hanna L Tuomisto
- Department of Agricultural Sciences, Faculty of Agriculture and Forestry, 27, 00014, University of Helsinki, Finland; Helsinki Institute of Sustainability Science (HELSUS), 4, 00014, University of Helsinki, Finland; Natural Resources Institute Finland, 2, 00790 Helsinki, Finland
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Grgić T, Pavišić Z, Maltar-Strmečki N, Voučko B, Čukelj Mustač N, Ćurić D, Le-Bail A, Novotni D. Ultrasound-assisted Modification of Enzymatic and Antioxidant Activities, Functional and Rheological Properties of Oat and Barley Bran. FOOD BIOPROCESS TECH 2023. [DOI: 10.1007/s11947-023-03074-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Rawal K, Annamalai PK, Bhandari B, Prakash S. Oat flour as a novel stabiliser for designing plant-based Pickering emulsion. J FOOD ENG 2023. [DOI: 10.1016/j.jfoodeng.2022.111300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Oil-in Water Vegetable Emulsions with Oat Bran as Meat Raw Material Replacers: Compositional, Technological and Structural Approach. Foods 2022; 12:foods12010040. [PMID: 36613256 PMCID: PMC9818671 DOI: 10.3390/foods12010040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/09/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022] Open
Abstract
The unique composition and technological properties of some oat bran components (mainly protein and soluble fiber) and olive oil make them a good choice to form oil-in-water vegetable emulsions. The different concentrations of oat bran were studied to form olive oil-in water (O/W) emulsions to apply as a replacement for fat and meat. As a result, four O/W emulsions (OBE) were formulated with 10% (OBE10), 15% (OBE15), 20% (OEB20), and 30% (OBE30) oat bran concentrations and 40% olive oil, with the corresponding amount of water added for each O/W emulsion. Composition, technological properties (thermal stability, pH, texture), and lipid structural characteristics were evaluated. The results showed that low oat bran content (OEB10)-with a lower concentration of oat protein and β-glucans-resulted in an O/W emulsion with an aggregated droplet structure and lower thermal stability and hardness. These connections between composition, technology, and structural properties of olive O/W emulsions elaborated with oat bran could help in making the optimal choice for their potential application in the production of foods such as healthier meat products.
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Physicochemical Properties of Capsicum Oleoresin Emulsions Stabilized by Gum Arabic, OSA-Modified Corn Starch, and Modified Malt. FOOD BIOPROCESS TECH 2022. [DOI: 10.1007/s11947-021-02728-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Rosa-Sibakov N, de Oliveira Carvalho MJ, Lille M, Nordlund E. Impact of Enzymatic Hydrolysis and Microfluidization on the Techno-Functionality of Oat Bran in Suspension and Acid Milk Gel Models. Foods 2022; 11:foods11020228. [PMID: 35053960 PMCID: PMC8774640 DOI: 10.3390/foods11020228] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 02/01/2023] Open
Abstract
Oat bran is a nutritionally rich ingredient, but it is underutilized in semi-moist and liquid foods due to technological issues such as high viscosity and sliminess. The aim of this work was to improve the technological properties of oat bran concentrate (OBC) in high-moisture food applications by enzymatic and mechanical treatments. OBC was hydrolyzed with β-glucanase (OBC-Hyd) and the water-soluble fraction (OBC-Sol) was separated. OBC, OBC-Hyd and OBC-Sol were further microfluidized at 5% dry matter content. Enzymatic treatment and microfluidization of OBC reduced the molecular weight (Mw) of β-glucan from 2748 kDa to 893 and 350 kDa, respectively, as well as the average particle size of OBC (3.4 and 35 times, respectively). Both treatments increased the extractability of the soluble compounds from the OBC samples (up to 80%) and affected their water retention capacity. OBC in suspension had very high viscosity (969 mPa·s) when heated, which decreased after both enzyme and microfluidization treatments. The colloidal stability of the OBC in suspension was improved, especially after microfluidization. The addition of OBC samples to acid milk gels decreased syneresis, improved the water holding capacity and softened the texture. The changes in the suspension and gel characteristics were linked with reduced β-glucan Mw and OBC particle size.
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Gallotti F, Turchiuli C, Lavelli V. Production of stable emulsions using β‐glucans extracted from
Pleurotus ostreatus
to encapsulate oxidizable compounds. J FOOD PROCESS ENG 2021. [DOI: 10.1111/jfpe.13949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Francesca Gallotti
- DeFENS, Department of Food, Environmental and Nutritional Sciences University of Milan Milan Italy
| | - Christelle Turchiuli
- UMR SayFood, Université Paris‐Saclay, INRAE, AgroParisTech Massy France
- Department Chimie Université Paris‐Saclay, IUT d'Orsay Orsay France
| | - Vera Lavelli
- DeFENS, Department of Food, Environmental and Nutritional Sciences University of Milan Milan Italy
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