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Brião VB, Mossmann J, Seguenka B, Graciola S, Piccin JS. Integrating Whey Processing: Ultrafiltration, Nanofiltration, and Water Reuse from Diafiltration. MEMBRANES 2024; 14:191. [PMID: 39330532 PMCID: PMC11433986 DOI: 10.3390/membranes14090191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2024] [Revised: 09/02/2024] [Accepted: 09/03/2024] [Indexed: 09/28/2024]
Abstract
This work proposes an integrated production of whey protein concentrate (WPC) and lactose and the recovery of water from diafiltration (DF) steps. Whey protein and lactose can be concentrated using ultrafiltration and nanofiltration, respectively, and both can be purified using DF. However, DF uses three-fold the initial volume of whey. We propose a method to reclaim this water using reverse osmosis and adsorption by activated carbon. We produced WPC with 88% protein and purified lactose (90%), and 66% of the water can be reclaimed as drinking water. Additionally, the reclaimed water was used to produce another batch of WPC, with no decrease in product quality. Water recovery from the whey process is necessary to meet the needs of a dairy refinery.
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Affiliation(s)
- Vandré Barbosa Brião
- Post-Graduate Program in Food Science and Technology, University of Passo Fundo, Campus I, L1 Building, BR 285, District São José, 611, Passo Fundo 99052-900, Brazil
| | - Juliane Mossmann
- Post-Graduate Program in Food Science and Technology, University of Passo Fundo, Campus I, L1 Building, BR 285, District São José, 611, Passo Fundo 99052-900, Brazil
| | - Bruna Seguenka
- Post-Graduate Program in Food Engineering, Integrated Regional University of Alto Uruguay and Missions, Avenue Sete de Setembro, 1621, PO Box 743, Erechim 99709-910, Brazil
| | - Samarah Graciola
- Post-Graduate Program in Civil and Environmental Engineering, University of Passo Fundo, Campus I, L1 Building, BR 285, District São José, 611, Passo Fundo 99052-900, Brazil
| | - Jeferson Steffanello Piccin
- Post-Graduate Program in Food Science and Technology, University of Passo Fundo, Campus I, L1 Building, BR 285, District São José, 611, Passo Fundo 99052-900, Brazil
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2
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O'Donoghue LT, Murphy EG. Nondairy food applications of whey and milk permeates: Direct and indirect uses. Compr Rev Food Sci Food Saf 2023; 22:2652-2677. [PMID: 37070222 DOI: 10.1111/1541-4337.13157] [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: 11/22/2022] [Revised: 03/10/2023] [Accepted: 03/30/2023] [Indexed: 04/19/2023]
Abstract
Permeates are generated in the dairy industry as byproducts from the production of high-protein products (e.g., whey or milk protein isolates and concentrates). Traditionally, permeate was disposed of as waste or used in animal feed, but with the recent move toward a "zero waste" economy, these streams are being recognized for their potential use as ingredients, or as raw materials for the production of value-added products. Permeates can be added directly into foods such as baked goods, meats, and soups, for use as sucrose or sodium replacers, or can be used in the production of prebiotic drinks or sports beverages. In-direct applications generally utilize the lactose present in permeate for the production of higher value lactose derivatives, such as lactic acid, or prebiotic carbohydrates such as lactulose. However, the impurities present, short shelf life, and difficulty handling these streams can present challenges for manufacturers and hinder the efficiency of downstream processes, especially compared to pure lactose solutions. In addition, the majority of these applications are still in the research stage and the economic feasibility of each application still needs to be investigated. This review will discuss the wide variety of nondairy, food-based applications of milk and whey permeates, with particular focus on the advantages and disadvantages associated with each application and the suitability of different permeate types (i.e., milk, acid, or sweet whey).
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Affiliation(s)
| | - Eoin G Murphy
- Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
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Momen S, Aider M. Production of highly soluble and functional whey/canola proteins through complexation using alkaline electro-activation. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2022.108395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Wang M, Wang L, Lyu X, Hua X, Goddard JM, Yang R. Lactulose production from lactose isomerization by chemo-catalysts and enzymes: Current status and future perspectives. Biotechnol Adv 2022; 60:108021. [PMID: 35901861 DOI: 10.1016/j.biotechadv.2022.108021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 07/02/2022] [Accepted: 07/17/2022] [Indexed: 11/29/2022]
Abstract
Lactulose, a semisynthetic nondigestive disaccharide with versatile applications in the food and pharmaceutical industries, has received increasing interest due to its significant health-promoting effects. Currently, industrial lactulose production is exclusively carried out by chemical isomerization of lactose via the Lobry de Bruyn-Alberda van Ekenstein (LA) rearrangement, and much work has been directed toward improving the conversion efficiency in terms of lactulose yield and purity by using new chemo-catalysts and integrated catalytic-purification systems. Lactulose can also be produced by an enzymatic route offering a potentially greener alternative to chemo-catalysis with fewer side products. Compared to the controlled trans-galactosylation by β-galactosidase, directed isomerization of lactose with high isomerization efficiency catalyzed by the most efficient lactulose-producing enzyme, cellobiose 2-epimerase (CE), has gained much attention in recent decades. To further facilitate the industrial translation of CE-based lactulose biotransformation, numerous studies have been reported on improving biocatalytic performance through enzyme mediated molecular modification. This review summarizes recent developments in the chemical and enzymatic production of lactulose. Related catalytic mechanisms are also highlighted and described in detail. Emerging techniques that aimed at advancing lactulose production, such as the boronate affinity-based technique and molecular biological techniques, are reviewed. Finally, perspectives on challenges and opportunities in lactulose production and purification are also discussed.
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Affiliation(s)
- Mingming Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, China; College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China; Department of Food Science, Cornell University, Ithaca, NY 14853, USA
| | - Lu Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, China
| | - Xiaomei Lyu
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, China
| | - Xiao Hua
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, China
| | - Julie M Goddard
- Department of Food Science, Cornell University, Ithaca, NY 14853, USA.
| | - Ruijin Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, 214122 Wuxi, China.
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Study of the physico-chemical, structural, microbiological properties and volatile flavour compounds profile of kefir supplemented with electro-activated whey. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2021.105218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Comprehensive utilisation of electro-activated whey-based media in cell growth, metabolite production and aroma compounds synthesis using a starter culture originated from kefir grains. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2021.105276] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Karim A, Aider M. Production of prebiotic lactulose through isomerisation of lactose as a part of integrated approach through whey and whey permeate complete valorisation: A review. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2021.105249] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Karim A, Aider M. Bioconversion of electro-activated lactose, whey and whey permeate to produce single cell protein, ethanol, aroma volatiles, organic acids and fat by Kluyveromyces marxianus. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105334] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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9
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Paladii IV, Vrabie EG, Sprinchan KG, Bologa MK. Whey: Review. Part 2. Treatment Processes and Methods. SURFACE ENGINEERING AND APPLIED ELECTROCHEMISTRY 2021. [DOI: 10.3103/s1068375521060119] [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]
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Catalytic conversion of whey permeate into 5-hydroxymethylfurfural: Optimization and kinetic modeling approach. FOOD AND BIOPRODUCTS PROCESSING 2021. [DOI: 10.1016/j.fbp.2021.08.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Karim A, Aïder M. Contribution to the Process Development for Lactulose Production through Complete Valorization of Whey Permeate by Using Electro-Activation Technology Versus a Chemical Isomerization Process. ACS OMEGA 2020; 5:28831-28843. [PMID: 33195936 PMCID: PMC7659143 DOI: 10.1021/acsomega.0c04178] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 10/19/2020] [Indexed: 06/11/2023]
Abstract
Whey permeate (WP) is a co-product of a cheese or casein production process that is regarded as an environmental pollutant because of its high organic load and is creating a major disposal problem for the dairy industry. However, it can be used as a suitable substrate to meet the increasing demand of producing a prebiotic lactulose through the isomerization of lactose present in the WP under adequate alkaline conditions. The goal of this study was to produce lactulose in situ of WP using electro-activation (EA) technology and compare the productivity of EA with conventional chemical isomerization at potassium hydroxide (KOH)-equivalent solution alkalinity in the feed medium. Electro-isomerization was conducted under different current intensities of 300, 600, and 900 mA for 60 min of EA with a 5 min sampling interval using 6, 12, and 18% (w/v) WP solutions. Chemical isomerization was carried out at the KOH-equivalent solution alkalinity to that measured in the EA solution at each 5 min interval using KOH powder as a catalyst. The outcomes of this study revealed that the production of lactulose using the EA approach was current intensity-, WP concentration-, and reaction time-dependent and produced the highest lactulose yield of 36.98% at 50 min of EA-time under 900 mA current intensity using 6% WP as a feed solution, whereas a maximum lactulose yield of 25.47% was achieved by the chemical isomerization at the solution alkalinity corresponding to that of the EA under 900 mA current intensity at 50 min in the 6% WP solution. Furthermore, a greater yield of lactulose was obtained using the EA technique for all reaction conditions compared to the chemical process at the equivalent solution alkalinity. Therefore, the results of this work suggest that the EA can be an emergent sustainable technology for achieving dual objectives of prebiotic lactulose production and concurrent valorization of WP using it as a feed medium.
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Affiliation(s)
- Ahasanul Karim
- Department
of Soil Sciences and Agri-food Engineering, Université Laval, Quebec, Quebec G1V 0A6, Canada
- Institute
of Nutrition and Functional Foods (INAF), Université Laval, Quebec, Quebec G1V 0A6, Canada
| | - Mohammed Aïder
- Department
of Soil Sciences and Agri-food Engineering, Université Laval, Quebec, Quebec G1V 0A6, Canada
- Institute
of Nutrition and Functional Foods (INAF), Université Laval, Quebec, Quebec G1V 0A6, Canada
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Karim A, Aider M. Sustainable Valorization of Whey by Electroactivation Technology for In Situ Isomerization of Lactose into Lactulose: Comparison between Electroactivation and Chemical Processes at Equivalent Solution Alkalinity. ACS OMEGA 2020; 5:8380-8392. [PMID: 32309749 PMCID: PMC7161209 DOI: 10.1021/acsomega.0c00913] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
The demand for production of prebiotics at a commercial scale is rising due to the consumers' growing health awareness. Whey, a coproduct of the dairy industries, is a suitable feed medium to produce a prebiotic lactulose through the isomerization of lactose under alkaline conditions. The aim of the present study was to compare the isomerization of lactose into lactulose in situ of whey by using electroactivation technology with the chemical isomerization method using KOH as catalysis under equivalent solution alkalinity. Electroisomerization of lactose into lactulose was performed by using whey solutions of 7, 14, and 21% (w/v) dry matter under current intensities of 300, 600, and 900 mA, respectively, during 60 min with a sampling interval of 5 min. The conventional chemical method was carried out using KOH powder as catalyst at the alkalinity that corresponded to that measured in the electroactivated whey at each 5 min interval. The results showed that lactulose production was dependent on the whey concentration, current intensity, and EA time. The highest lactulose yield of 32% was achieved under a 900 mA current intensity at 60 min for a 7% whey solution. Thereafter, the EA conditions were compared to those of a conventional chemical isomerization process by maintaining similar alkalinity in the feed solutions. However, no lactulose was produced by the chemical process for the equivalent solution alkalinity as in the EA technique. These results were correlated with the solution pH, which reached the required values in a 7% whey solution with values of up to pH 11.50, whereas the maximum pH values that were obtained at higher whey concentrations were around 10-10.50, which was not enough to initiate the lactose isomerization reaction. The outcomes of this study suggest that EA is an efficient technology to produce lactulose using whey lactose.
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Affiliation(s)
- Ahasanul Karim
- Department
of Soil Sciences and Agri-Food Engineering, Université Laval, Quebec, QC G1V 0A6, Canada
| | - Mohammed Aider
- Department
of Soil Sciences and Agri-Food Engineering, Université Laval, Quebec, QC G1V 0A6, Canada
- Institute
of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada
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Karim A, Aider M. Sustainable Electroisomerization of Lactose into Lactulose and Comparison with the Chemical Isomerization at Equivalent Solution Alkalinity. ACS OMEGA 2020; 5:2318-2333. [PMID: 32064394 PMCID: PMC7017406 DOI: 10.1021/acsomega.9b03705] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 01/20/2020] [Indexed: 06/10/2023]
Abstract
The demand of lactulose production is increasing tremendously because of its bifidogenic (prebiotic) functionality. Therefore, the isomerization of lactose to synthesize lactulose through electroactivation (EA) technology is of great interest nowadays. However, lactulose production through electroisomerization is affected by several operational and experimental conditions, and the process needs to be optimized. In this context, the EA technique was applied to isomerize lactose into lactulose in an EA reactor modulated by anion and cation exchange membranes. The effect of lactose concentrations (5, 10, 15, and 20%), applied electric fields (300, 600, and 900 mA), and processing time (0-60 min) on lactose electroisomerization rate (lactulose formation) and coproduct (glucose, galactose, and fructose) formation has been investigated. The effect of different physicochemical parameters such as pH, alkalinity, temperature, ion migration, and oxidation-reduction potential (ORP) on the conversion of lactose into lactulose was correlated with the lactulose formation to understand the involved process mechanism of action. The conversion of lactose into lactulose was lactose-concentration-, electric-current-, and EA-time-dependent and reached the highest lactulose yield of 38% at 40 min using a 900 mA current intensity in a 10% lactose solution. The results were then compared to conventional chemical isomerization maintaining similar alkaline conditions at ambient temperature (22 ± 2 °C). A higher yield of lactulose was achieved in the EA process within a short reaction time compared to that of the chemical isomerization. The outcome of this study suggests that EA is a promising technique for the enhanced production of lactulose from lactose.
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Affiliation(s)
- Ahasanul Karim
- Department
of Soil Sciences and Agri-food Engineering, Université Laval, Quebec, QC G1V 0A6, Canada
| | - Mohammed Aider
- Department
of Soil Sciences and Agri-food Engineering, Université Laval, Quebec, QC G1V 0A6, Canada
- Institute
of Nutrition and Functional Food (INAF), Université Laval, Quebec, QC G1V 0A6, Canada
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