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Hofmann LC, Strauss S, Shpigel M, Guttman L, Stengel DB, Rebours C, Gjorgovska N, Turan G, Balina K, Zammit G, Adams JMM, Ahsan U, Bartolo AG, Bolton JJ, Domingues R, Dürrani Ö, Eroldogan OT, Freitas A, Golberg A, Kremer KI, Marques F, Milia M, Steinhagen S, Sucu E, Vargas-Murga L, Zemah-Shamir S, Zemah-Shamir Z, Meléndez-Martínez AJ. The green seaweed Ulva: tomorrow's "wheat of the sea" in foods, feeds, nutrition, and biomaterials. Crit Rev Food Sci Nutr 2024:1-36. [PMID: 38979936 DOI: 10.1080/10408398.2024.2370489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
Ulva, a genus of green macroalgae commonly known as sea lettuce, has long been recognized for its nutritional benefits for food and feed. As the demand for sustainable food and feed sources continues to grow, so does the interest in alternative, plant-based protein sources. With its abundance along coastal waters and high protein content, Ulva spp. have emerged as promising candidates. While the use of Ulva in food and feed has its challenges, the utilization of Ulva in other industries, including in biomaterials, biostimulants, and biorefineries, has been growing. This review aims to provide a comprehensive overview of the current status, challenges and opportunities associated with using Ulva in food, feed, and beyond. Drawing on the expertise of leading researchers and industry professionals, it explores the latest knowledge on Ulva's nutritional value, processing methods, and potential benefits for human nutrition, aquaculture feeds, terrestrial feeds, biomaterials, biostimulants and biorefineries. In addition, it examines the economic feasibility of incorporating Ulva into aquafeed. Through its comprehensive and insightful analysis, including a critical review of the challenges and future research needs, this review will be a valuable resource for anyone interested in sustainable aquaculture and Ulva's role in food, feed, biomaterials, biostimulants and beyond.
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Affiliation(s)
- Laurie C Hofmann
- Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven, Germany
- Bremerhaven University of Applied Sciences, Bremerhaven, Germany
| | | | - Muki Shpigel
- Morris Kahn Marine Research Station, The Leon H. Charney School of Marine Sciences, University of Haifa, Haifa, Israel
| | - Lior Guttman
- The National Center for Mariculture, Israel Oceanographic & Limnological Research, Eilat, Israel
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Dagmar B Stengel
- Botany and Plant Science, School of Natural Sciences, University of Galway, Galway, Ireland
| | | | - Natasha Gjorgovska
- Institute of Animal Science and Fishery, University Ss Ciril and Methodius in Skopje, Skopje, North Macedonia
| | - Gamze Turan
- Aquaculture Department, Fisheries Faculty, Ege University, Bornova, Izmir, Türkiye
| | - Karina Balina
- Institute of Microbiology and Biotechnology, University of Latvia, Riga, Latvia
- Institute of Science and Innovative Technologies, Liepaja University, Liepaja, Latvia
| | - Gabrielle Zammit
- Department of Biology, Faculty of Science, University of Malta, Msida, Malta
| | - Jessica M M Adams
- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Aberystwyth, UK
| | - Umair Ahsan
- Department of Plant and Animal Production, Burdur Vocational School of Food, Agriculture and Livestock, Burdur Mehmet Akif Ersoy University, Burdur, Turkiye
- Center for Agriculture, Livestock and Food Research, Burdur Mehmet Akif Ersoy University, Burdur, Turkiye
| | | | - John J Bolton
- Department of Biological Sciences, University of Cape Town, Rondebosch, South Africa
| | - Rosário Domingues
- Department of Chemistry, Lipidomics Laboratory, Mass Spectrometry Centre, University of Aveiro, Santiago University Campus, Aveiro, Portugal
- Department of Chemistry, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Santiago University Campus, Aveiro, Portugal
| | - Ömerhan Dürrani
- Department of Fisheries Technology Engineering, Faculty of Marine Science, Karadeniz Technical University, Trabzon, Türkiye
| | - Orhan Tufan Eroldogan
- Department of Aquaculture, Faculty of Fisheries, Cukurova University, Adana, Türkiye
- Biotechnology Research and Application Center, Cukurova University, Adana, Türkiye
| | - Andreia Freitas
- National Institute for Agricultural and Veterinary Research (INIAV), Rua dos Lágidos, Lugar da Madalena, Vila do Conde, Portugal
- REQUIMTE/LAQV, R. D. Manuel II, Oporto, Portugal
| | - Alexander Golberg
- Department of Environmental Studies, Faculty of Exact Sciences, Porter School of Environment and Earth Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Kira I Kremer
- Marine Biology, University of Bremen, Bremen, Germany
| | - Francisca Marques
- Department of Chemistry, Lipidomics Laboratory, Mass Spectrometry Centre, University of Aveiro, Santiago University Campus, Aveiro, Portugal
- Department of Chemistry, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Santiago University Campus, Aveiro, Portugal
| | - Massimo Milia
- Department of Life and Environmental Science, University of Cagliari, Cagliari, Italy
| | - Sophie Steinhagen
- Department of Marine Sciences, Tjärnö Marine Laboratory, University of Gothenburg, Strömstad, Sweden
| | - Ekin Sucu
- Department of Animal Science, Agricultural Faculty, Bursa Uludag University, Bursa, Turkey
| | - Liliana Vargas-Murga
- Department of Chemical and Agricultural Engineering and Agrifood Technology, Polytechnic School, Universitat de Girona, Girona, Spain
| | - Shiri Zemah-Shamir
- School of Sustainability, Reichman University (IDC Herzliya), Herzliya, Israel
| | - Ziv Zemah-Shamir
- Department of Marine Biology, Leon H. Charney School of Marine Sciences, University of Haifa, Haifa, Israel
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Ami J, Mensah M, Asiedu NY, Thygesen A. Optimization of Reducing Sugar Concentration from Ulva fasciata Using Cellulase via Response Surface Methodology Techniques. Ind Biotechnol (New Rochelle N Y) 2023. [DOI: 10.1089/ind.2022.0024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Affiliation(s)
- Johannes Ami
- Department of Chemical Engineering, College of Engineering, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Moses Mensah
- Department of Chemical Engineering, College of Engineering, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Nana Yaw Asiedu
- Department of Chemical Engineering, College of Engineering, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Anders Thygesen
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Lyngby, Denmark
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Seaweed Exhibits Therapeutic Properties against Chronic Diseases: An Overview. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12052638] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Seaweeds or marine macroalgae are known for producing potentially bioactive substances that exhibit a wide range of nutritional, therapeutic, and nutraceutical properties. These compounds can be applied to treat chronic diseases, such as cancer, cardiovascular disease, osteoporosis, neurodegenerative diseases, and diabetes mellitus. Several studies have shown that consumption of seaweeds in Asian countries, such as Japan and Korea, has been correlated with a lower incidence of chronic diseases. In this study, we conducted a review of published papers on seaweed consumption and chronic diseases. We used the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) method for this study. We identified and screened research articles published between 2000 and 2021. We used PubMed and ScienceDirect databases and identified 107 articles. This systematic review discusses the potential use of bioactive compounds of seaweed to treat chronic diseases and identifies gaps where further research in this field is needed. In this review, the therapeutic and nutraceutical properties of seaweed for the treatment of chronic diseases such as neurodegenerative diseases, obesity, diabetes, cancer, liver disease, cardiovascular disease, osteoporosis, and arthritis were discussed. We concluded that further study on the identification of bioactive compounds of seaweed, and further study at a clinical level, are needed.
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Zheng Y, Li Y, Yang Y, Zhang Y, Wang D, Wang P, Wong ACY, Hsieh YSY, Wang D. Recent Advances in Bioutilization of Marine Macroalgae Carbohydrates: Degradation, Metabolism, and Fermentation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:1438-1453. [PMID: 35089725 DOI: 10.1021/acs.jafc.1c07267] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Marine macroalgae are considered renewable natural resources due to their high carbohydrate content, which gives better utilization value in biorefineries and higher value conversion than first- and second-generation biomass. However, due to the diverse composition, complex structure, and rare metabolic pathways of macroalgae polysaccharides, their bioavailability needs to be improved. In recent years, enzymes and pathways related to the degradation and metabolism of macroalgae polysaccharides have been continuously developed, and new microbial fermentation platforms have emerged. Aiming at the bioutilization and transformation of macroalgae resources, this review describes the latest research results from the direction of green degradation, biorefining, and metabolic pathway design, including summarizing the the latest biorefining technology and the fermentation platform design of agarose, alginate, and other polysaccharides. This information will provide new research directions and solutions for the biotransformation and utilization of marine macroalgae.
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Affiliation(s)
- Yuting Zheng
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Yanping Li
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Yuanyuan Yang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Ye Zhang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Di Wang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Peiyao Wang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Ann C Y Wong
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110301, Taiwan
| | - Yves S Y Hsieh
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 110301, Taiwan
- Division of Glycoscience, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology (KTH), AlbaNova University Centre, 11421 Stockholm, Sweden
| | - Damao Wang
- College of Food Science, Southwest University, Chongqing 400715, China
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Levulinic Acid Production from Macroalgae: Production and Promising Potential in Industry. SUSTAINABILITY 2021. [DOI: 10.3390/su132413919] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The development of macroalgal biorefinery products as an alternative source of renewable fuels is an opportunity to solve the dependence on fossil fuels. Macroalgae is a potential biomass that can be developed as a raw material for producing platform chemicals such as levulinic acid (LA). In the industrial sector, LA is among the top 12 biomass-derived feedstocks designated by the U.S. Department of Energy as a high-value chemical. Several studies have been conducted on the production of LA from terrestrial-based biomass, however, there is still limited information on its production from macroalgae. The advantages of macroalgae over terrestrial and other biomasses include high carbohydrate and biomass production, less cultivation cost, and low lignin content. Therefore, this study aims to investigate the potential and challenge of producing LA from macroalgae in the industrial sector and determine its advantages and disadvantages compared with terrestrial biomass in LA production. In this study, various literature sources were examined using the preferred reporting items for systematic reviews and meta-analyses (PRISMA) method to identify, screen, and analyze the data of the published paper. Despite its advantages, there are some challenges in making the production of levulinic acid from macroalgae feasible for development at the industrial scale. Some challenges such as sustainability of macroalgae, the efficiency of pretreatment, and hydrolysis technology are often encountered during the production of levulinic acid from macroalgae on an industrial scale.
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Chen J, Li H, Zhang Z, He C, Shi Q, Jiao N, Zhang Y. DOC dynamics and bacterial community succession during long-term degradation of Ulva prolifera and their implications for the legacy effect of green tides on refractory DOC pool in seawater. WATER RESEARCH 2020; 185:116268. [PMID: 32784034 DOI: 10.1016/j.watres.2020.116268] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 07/29/2020] [Accepted: 08/03/2020] [Indexed: 06/11/2023]
Abstract
Under climate warming and coastal eutrophication, outbreaks of green tides have increased in recent decades; e.g., the world's largest green tide caused by Ulva prolifera has occurred in the Yellow Sea for 13 consecutive years. The massive assemblage of macroalgae absorbs large amounts of atmospheric CO2 and converts it into biomass. After the green tide, millions of tons of the macroalgal biomass sink to the seabed to be degraded eventually; this inevitably has a significant impact on the coastal organic carbon pool and microbial community. However, this impact is poorly understood. Here, the degradation of Ulva prolifera over 520 days revealed that relatively sufficient degradation of the macroalgae occurred at ca. 7 months. The rapid release of dissolved organic carbon (DOC) mainly occurred in the first week, which not only increased the size and diversity of the DOC pool in a short time but also promoted the rapid growth of bacteria and led to hypoxia and acidification of the seawater. After that, the labile portion of DOC was gradually used up by bacteria within one month, while the degradation of semi-labile or semi-refractory DOC occurred in half a year. The remaining DOC existed in the form of refractory DOC (RDOC), resisting bacterial consumption and remaining stable for 10 months. During the long-term degradation process, bacterial community structure and metabolic function showed obvious successional characteristics, driving the gradual transformation of DOC from labile to refractory through the microbial carbon pump mechanism. After the long-term degradation, the remaining RDOC accounted for approximately 1.6% of the macroalgal carbon biomass. As RDOC can maintain long-term stability, we propose that the frequent outbreaks of green tides not only affect microbial processes but also may have an important cumulative effect on the coastal RDOC pool.
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Affiliation(s)
- Jing Chen
- Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Energy Genetics, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Hongmei Li
- Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Energy Genetics, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zenghu Zhang
- Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Energy Genetics, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, China
| | - Chen He
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, China
| | - Quan Shi
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, China
| | - Nianzhi Jiao
- State Key Laboratory for Marine Environmental Science, Xiamen University, Xiamen, 361100, China.
| | - Yongyu Zhang
- Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Energy Genetics, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
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Sukwong P, Sunwoo IY, Jeong DY, Kim SR, Jeong GT, Kim SK. Enhancement of bioethanol production from Gracilaria verrucosa by Saccharomyces cerevisiae through the overexpression of SNR84 and PGM2. Bioprocess Biosyst Eng 2019; 42:1421-1433. [PMID: 31055665 DOI: 10.1007/s00449-019-02139-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Accepted: 04/26/2019] [Indexed: 12/13/2022]
Abstract
A total monosaccharide concentration of 47.0 g/L from 12% (w/v) Gracilaria verrucosa was obtained by hyper thermal acid hydrolysis with 0.2 M HCl at 140°C for 15 min and enzymatic saccharification with CTec2. To improve galactose utilization, we overexpressed two genes, SNR84 and PGM2, in a Saccharomyces cerevisiae CEN-PK2 using CRISPR/Cas-9. The overexpression of both SNR84 and PGM2 improved galactose utilization and ethanol production compared to the overexpression of each gene alone. The overexpression of both SNR84 and PGM2 and of PGM2 and SNR84 singly in S. cerevisiae CEN-PK2 Cas9 produced 20.0, 18.5, and 16.5 g/L ethanol with ethanol yield (YEtOH) values of 0.43, 0.39, and 0.35, respectively. However, S. cerevisiae CEN-PK2 adapted to high concentration of galactose consumed galactose completely and produced 22.0 g/L ethanol at a YEtOH value of 0.47. The overexpression of both SNR84 and PGM2 increased the transcriptional levels of GAL and regulatory genes; however, the transcriptional levels of these genes were lower than those in S. cerevisiae adapted to high galactose concentrations.
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Affiliation(s)
- Pailin Sukwong
- Department of Biotechnology, Pukyong National University, Busan, 48513, South Korea
| | - In Yung Sunwoo
- Department of Biotechnology, Pukyong National University, Busan, 48513, South Korea
| | - Deok Yeol Jeong
- Department of Food Science and Biotechnology, Kyungpook National University, Daegu, 37224, South Korea
| | - Soo Rin Kim
- Department of Food Science and Biotechnology, Kyungpook National University, Daegu, 37224, South Korea
| | - Gwi-Taek Jeong
- Department of Biotechnology, Pukyong National University, Busan, 48513, South Korea
| | - Sung-Koo Kim
- Department of Biotechnology, Pukyong National University, Busan, 48513, South Korea.
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Abstract
The rapid depletion and environmental concerns associated with the use of fossil fuels has led to extensive development of biofuels such as bioethanol from seaweeds. The long-term prospect of seaweed bioethanol production however, depends on the selection of processes in the hydrolysis and fermentation stages due to their limiting effect on ethanol yield. This review explored the factors influencing the hydrolysis and fermentation stages of seaweed bioethanol production with emphasis on process efficiency and sustainable application. Seaweed carbohydrate contents which are most critical for ethanol production substrate selection were 52 ± 6%, 55 ± 12% and 57 ± 13% for green, brown and red seaweeds, respectively. Inhibitor formation and polysaccharide selectivity were found to be the major bottlenecks influencing the efficiency of dilute acid and enzymatic hydrolysis, respectively. Current enzyme preparations used, were developed for starch-based and lignocellulosic biomass but not seaweeds, which differs in polysaccharide composition and structure. Also, the identification of fermenting organisms capable of converting the heterogeneous monomeric sugars in seaweeds is the major factor limiting ethanol yield during the fermentation stage and not the SHF or SSF pathway selection. This has resulted in variations in bioethanol yields, ranging from 0.04 g/g DM to 0.43 g/g DM.
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Kim JA, Lee SB. Production of 3,6-anhydro-D-galactose from κ-carrageenan using acid catalysts. BIOTECHNOL BIOPROC E 2016. [DOI: 10.1007/s12257-015-0636-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Cho SJ, Lee SB. Identification and characterization of 3,6-anhydro-L-galactose dehydrogenases belonging to the aldehyde dehydrogenase superfamily from marine and soil microorganisms. BIOTECHNOL BIOPROC E 2015. [DOI: 10.1007/s12257-014-0830-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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