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Schmitt I, Meyer F, Krahn I, Henke NA, Peters-Wendisch P, Wendisch VF. From Aquaculture to Aquaculture: Production of the Fish Feed Additive Astaxanthin by Corynebacterium glutamicum Using Aquaculture Sidestream. Molecules 2023; 28:molecules28041996. [PMID: 36838984 PMCID: PMC9958746 DOI: 10.3390/molecules28041996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/31/2023] [Accepted: 02/17/2023] [Indexed: 02/24/2023] Open
Abstract
Circular economy holds great potential to minimize the use of finite resources, and reduce waste formation by the creation of closed-loop systems. This also pertains to the utilization of sidestreams in large-scale biotechnological processes. A flexible feedstock concept has been established for the industrially relevant Corynebacterium glutamicum, which naturally synthesizes the yellow C50 carotenoid decaprenoxanthin. In this study, we aimed to use a preprocessed aquaculture sidestream for production of carotenoids, including the fish feed ingredient astaxanthin by C. glutamicum. The addition of a preprocessed aquaculture sidestream to the culture medium did not inhibit growth, obviated the need for addition of several components of the mineral salt's medium, and notably enhanced production of astaxanthin by an engineered C. glutamicum producer strain. Improved astaxanthin production was scaled to 2 L bioreactor fermentations. This strategy to improve astaxanthin production was shown to be transferable to production of several native and non-native carotenoids. Thus, this study provides a proof-of-principle for improving carotenoid production by C. glutamicum upon supplementation of a preprocessed aquaculture sidestream. Moreover, in the case of astaxanthin production it may be a potential component of a circular economy in aquaculture.
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Costa DPDA, Silva MJS, Geraldi RM, Lorenzini JP, Mattioli CC, Oliveira ADEL, Luz RK, Miranda-Filho KC. Effects of the use of synthetic astaxanthin in the feeding of Lophiosilurus alexandri, a neotropical siluriform fish. AN ACAD BRAS CIENC 2022; 94:e20210434. [PMID: 36477818 DOI: 10.1590/0001-3765202220210434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 04/05/2022] [Indexed: 12/03/2022] Open
Abstract
Aiming to test the capacity of retention of carotenoids in tissues, Lophiosilurus alexandri juveniles were fed diets containing 0, 25, 50, 100, 200, and 400 mg/kg of synthetic astaxanthin for 62 days. The inclusion of astaxanthin did not result in significant differences in growth, weight gain, apparent feed conversion, and feed efficiency of the fish. Blood biochemistry and liver histology did not change with the different treatments. At the level of 100 mg/kg of inclusion, there were the highest levels of carotenoids in the blood, and muscle and the smallest difference between the muscle x integument ratio.
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Affiliation(s)
- Daniel P DA Costa
- Universidade do Estado do Amapá, Campus Território dos Lagos, Av. Desiderio Coelho 420, Sete Mangueiras, 68950-000 Amapá, AP, Brazil
| | - Márcio José S Silva
- Universidade Federal de Minas Gerais, Departamento de Zootecnia, Escola de Veterinária, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - Ricardo Marcelo Geraldi
- Universidade Federal de Minas Gerais, Departamento de Zootecnia, Escola de Veterinária, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - João Paulo Lorenzini
- Universidade Federal de Minas Gerais, Departamento de Zootecnia, Escola de Veterinária, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - Cristiano C Mattioli
- Universidade Federal de Minas Gerais, Departamento de Zootecnia, Escola de Veterinária, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - Afonso DE Liguori Oliveira
- Universidade Federal de Minas Gerais, Departamento de Tecnologia e Inspeção de Produtos de Origem Animal, Escola de Veterinária, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - Ronald K Luz
- Universidade Federal de Minas Gerais, Departamento de Zootecnia, Escola de Veterinária, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
| | - Kleber C Miranda-Filho
- Universidade Federal de Minas Gerais, Departamento de Zootecnia, Escola de Veterinária, Av. Antônio Carlos, 6627, 31270-901 Belo Horizonte, MG, Brazil
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Carotenoid Cocktail Produced by An Antarctic Soil Flavobacterium with Biotechnological Potential. Microorganisms 2021; 9:microorganisms9122419. [PMID: 34946021 PMCID: PMC8704924 DOI: 10.3390/microorganisms9122419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/29/2021] [Accepted: 09/30/2021] [Indexed: 11/17/2022] Open
Abstract
Carotenoids are highly important in pigmentation, and its content in farmed crustaceans and fish correlates to their market value. These pigments also have a nutritional role in aquaculture where they are routinely added as a marine animal food supplement to ensure fish development and health. However, there is little information about carotenoids obtained from Antarctic bacteria and its use for pigmentation improvement and flesh quality in aquaculture. This study identified carotenoids produced by Antarctic soil bacteria. The pigmented strain (CN7) was isolated on modified Luria–Bertani (LB) media and incubated at 4 °C. This Gram-negative bacillus was identified by 16S rRNA analysis as Flavobacterium segetis. Pigment extract characterization was performed through high-performance liquid chromatography (HPLC) and identification with liquid chromatography–mass spectrometry (LC–MS). HPLC analyses revealed that this bacterium produces several pigments in the carotenoid absorption range (six peaks). LC–MS confirms the presence of one main peak corresponding to lutein or zeaxanthin (an isomer of lutein) and several other carotenoid pigments and intermediaries in a lower quantity. Therefore, we propose CN7 strain as an alternative model to produce beneficial carotenoid pigments with potential nutritional applications in aquaculture.
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Liu X, Ma X, Wang H, Li S, Yang W, Nugroho RD, Luo L, Zhou X, Tang C, Fan Y, Zhao Q, Zhang J, Chen R. Metabolic engineering of astaxanthin-rich maize and its use in the production of biofortified eggs. PLANT BIOTECHNOLOGY JOURNAL 2021; 19:1812-1823. [PMID: 33780119 PMCID: PMC8428828 DOI: 10.1111/pbi.13593] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 03/15/2021] [Accepted: 03/18/2021] [Indexed: 06/12/2023]
Abstract
Production of the high-value carotenoid astaxanthin, which is widely used in food and feed due to its strong antioxidant activity and colour, is less efficient in cereals than in model plants. Here, we report a new strategy for expressing β-carotene ketolase and hydroxylase genes from algae, yeasts and flowering plants in the whole seed using a seed-specific bidirectional promoter. Engineered maize events were backcrossed to inbred maize lines with yellow endosperm to generate progenies that accumulate astaxanthin from 47.76 to 111.82 mg/kg DW in seeds, and the maximum level is approximately sixfold higher than those in previous reports (16.2-16.8 mg/kg DW) in cereals. A feeding trial with laying hens indicated that they could take up astaxanthin from the maize and accumulate it in egg yolks (12.10-14.15 mg/kg) without affecting egg production and quality, as observed using astaxanthin from Haematococcus pluvialis. Storage stability evaluation analysis showed that the optimal conditions for long-term storage of astaxanthin-rich maize are at 4 °C in the dark. This study shows that co-expressing of functional genes driven by seed-specific bidirectional promoter could dramatically boost astaxanthin biosynthesis in every parts of kernel including embryo, aleurone layer and starch endosperm other than previous reports in the starch endosperm only. And the staple crop maize could serve as a cost-effective plant factory for reliably producing astaxanthin.
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Affiliation(s)
- Xiaoqing Liu
- Crop Functional Genome Research CenterBiotechnology Research InstituteChinese Academy of Agricultural SciencesBeijingChina
| | - Xuhui Ma
- Crop Functional Genome Research CenterBiotechnology Research InstituteChinese Academy of Agricultural SciencesBeijingChina
| | - Hao Wang
- State Key Laboratory of Animal NutritionInstitute of Animal SciencesChinese Academy of Agricultural SciencesBeijingChina
| | - Suzhen Li
- Crop Functional Genome Research CenterBiotechnology Research InstituteChinese Academy of Agricultural SciencesBeijingChina
| | - Wenzhu Yang
- Crop Functional Genome Research CenterBiotechnology Research InstituteChinese Academy of Agricultural SciencesBeijingChina
| | - Ramdhan Dwi Nugroho
- State Key Laboratory of Animal NutritionInstitute of Animal SciencesChinese Academy of Agricultural SciencesBeijingChina
| | - Lili Luo
- Crop Functional Genome Research CenterBiotechnology Research InstituteChinese Academy of Agricultural SciencesBeijingChina
| | - Xiaojin Zhou
- Crop Functional Genome Research CenterBiotechnology Research InstituteChinese Academy of Agricultural SciencesBeijingChina
| | - Chaohua Tang
- State Key Laboratory of Animal NutritionInstitute of Animal SciencesChinese Academy of Agricultural SciencesBeijingChina
| | - Yunliu Fan
- Crop Functional Genome Research CenterBiotechnology Research InstituteChinese Academy of Agricultural SciencesBeijingChina
| | - Qingyu Zhao
- State Key Laboratory of Animal NutritionInstitute of Animal SciencesChinese Academy of Agricultural SciencesBeijingChina
| | - Junmin Zhang
- State Key Laboratory of Animal NutritionInstitute of Animal SciencesChinese Academy of Agricultural SciencesBeijingChina
| | - Rumei Chen
- Crop Functional Genome Research CenterBiotechnology Research InstituteChinese Academy of Agricultural SciencesBeijingChina
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Engineered Maize Hybrids with Diverse Carotenoid Profiles and Potential Applications in Animal Feeding. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021. [PMID: 33783733 DOI: 10.1007/978-981-15-7360-6_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register]
Abstract
Multi-gene transformation methods need to be able to introduce multiple transgenes into plants in order to reconstitute a transgenic locus where the introduced genes express in a coordinated manner and do not segregate in subsequent generations. This simultaneous multiple gene transfer enables the study and modulation of the entire metabolic pathways and the elucidation of complex genetic control circuits and regulatory hierarchies. We used combinatorial nuclear transformation to produce multiplex-transgenic maize plants. In proof of principle experiments, we co-expressed five carotenogenic genes in maize endosperm. The resulting combinatorial transgenic maize plant population, equivalent to a "mutant series," allowed us to identify and complement rate-limiting steps in the extended endosperm carotenoid pathway and to recover corn plants with extraordinary levels of β-carotene and other nutritionally important carotenoids. We then introgressed the induced (transgenic) carotenoid pathway in a transgenic line accumulating high levels of nutritionally important carotenoids into a wild-type yellow-endosperm variety with a high β:ε ratio. Novel hybrids accumulated zeaxanthin at unprecedented amounts. We introgressed the same pathway into a different yellow corn line with a low β:ε ratio. The resulting hybrids, in this case, had a very different carotenoid profile. The role of genetic background in determining carotenoid profiles in corn was elucidated, and further rate-limiting steps in the pathway were identified and resolved in hybrids. Astaxanthin accumulation was engineered by overexpression of a β-carotene ketolase in maize endosperm. In early experiments, limited astaxanthin accumulation in transgenic maize plants was attributed to a bottleneck in the conversion of adonixanthin (4-ketozeaxanthin) to astaxanthin. More recent experiments showed that a synthetic β-carotene ketolase with a superior β-carotene/zeaxanthin ketolase activity is critical for the high-yield production of astaxanthin in maize endosperm. Engineered lines were used in animal feeding experiments which demonstrated not only the safety of the engineered lines but also their efficacy in a range of different animal production applications.
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Naegeli H, Bresson J, Dalmay T, Dewhurst IC, Epstein MM, Firbank LG, Guerche P, Hejatko J, Moreno FJ, Nogue F, Rostoks N, Sanchez Serrano JJ, Savoini G, Veromann E, Veronesi F, Casacuberta J, De Schrijver A, Messean A, Patron N, Zurbriggen M, Alvarez F, Devos Y, Gennaro A, Streissl F, Papadopoulou N, Mullins E. Evaluation of existing guidelines for their adequacy for the molecular characterisation and environmental risk assessment of genetically modified plants obtained through synthetic biology. EFSA J 2021; 19:e06301. [PMID: 33598046 PMCID: PMC7863006 DOI: 10.2903/j.efsa.2021.6301] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Synthetic Biology (SynBio) is an interdisciplinary field at the interface of engineering and biology aiming to develop new biological systems and impart new functions to living cells. EFSA has been asked by the European Commission to evaluate SynBio developments in agri-food with the aim of identifying the adequacy of existing guidelines for risk assessment and determine if updated guidance is needed. The scope of this opinion covers the molecular characterisation and environmental risk assessment of such genetically modified plants obtained through SynBio, meant to be for cultivation or food and feed purposes. The previous work on SynBio by the non-food scientific Committees (2014, 2015) was used and complemented with the output of a horizon scanning exercise, which was commissioned by the EFSA to identify the most realistic and forthcoming SynBio cases of relevance to this remit. The horizon scan did not identify other sectors/advances in addition to the six SynBio categories previously identified by the non-food scientific committees of the European Commission. The exercise did show that plant SynBio products reaching the market in the near future (next decade) are likely to apply SynBio approaches to their development using existing genetic modification and genome editing technologies. In addition, three hypothetical SynBio case studies were selected by the working group of the Panel on Genetically Modified Organisms (GMO), to further support the scoping exercise of this Scientific Opinion. Using the selected cases, the GMO Panel concludes that the requirements of the EU regulatory framework and existing EFSA guidelines are adequate for the risk assessment of SynBio products to be developed in the next 10 years, although specific requirements may not apply to all products. The GMO Panel acknowledges that as SynBio developments evolve, a need may exist to adjust the guidelines to ensure they are adequate and sufficient.
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Napier JA, Haslam RP, Olsen RE, Tocher DR, Betancor MB. Agriculture can help aquaculture become greener. NATURE FOOD 2020; 1:680-683. [PMID: 37128041 DOI: 10.1038/s43016-020-00182-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 10/09/2020] [Indexed: 05/03/2023]
Abstract
Aquaculture, the farming of fish and seafood, is recognized as a highly efficient system for producing protein for human consumption. In contrast, many terrestrial animal protein production systems are inefficient, impacting land use and exacerbating climate change. Humankind needs to adopt a more plant-centric diet, the only exception being fish consumed as both a source of protein and essential dietary nutrients such as omega-3 fatty acids. Here we consider the implications of such a transition, and the challenges that aquaculture must overcome to increase productivity within planetary boundaries. We consider how agriculture, specifically crops, can provide solutions for aquaculture, especially the sectors that are dependent on marine ingredients. For example, agriculture can provide experience with managing monocultures and new technologies such as genetically modified crops tailored specifically for use in aquaculture. We propose that a closer connection between agriculture and aquaculture will create a resilient food system capable of meeting increasing dietary and nutritional demands without exhausting planetary resources.
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Affiliation(s)
| | | | - Rolf-Erik Olsen
- Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway
| | - Douglas R Tocher
- Institute of Aquaculture, Faculty of Natural Sciences, University of Stirling, Stirling, UK
| | - Mónica B Betancor
- Institute of Aquaculture, Faculty of Natural Sciences, University of Stirling, Stirling, UK
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Perozeni F, Cazzaniga S, Baier T, Zanoni F, Zoccatelli G, Lauersen KJ, Wobbe L, Ballottari M. Turning a green alga red: engineering astaxanthin biosynthesis by intragenic pseudogene revival in Chlamydomonas reinhardtii. PLANT BIOTECHNOLOGY JOURNAL 2020; 18:2053-2067. [PMID: 32096597 PMCID: PMC7540493 DOI: 10.1111/pbi.13364] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 02/11/2020] [Accepted: 02/21/2020] [Indexed: 05/03/2023]
Abstract
The green alga Chlamydomonas reinhardtii does not synthesize high-value ketocarotenoids like canthaxanthin and astaxanthin; however, a β-carotene ketolase (CrBKT) can be found in its genome. CrBKT is poorly expressed, contains a long C-terminal extension not found in homologues and likely represents a pseudogene in this alga. Here, we used synthetic redesign of this gene to enable its constitutive overexpression from the nuclear genome of C. reinhardtii. Overexpression of the optimized CrBKT extended native carotenoid biosynthesis to generate ketocarotenoids in the algal host causing noticeable changes the green algal colour to reddish-brown. We found that up to 50% of native carotenoids could be converted into astaxanthin and more than 70% into other ketocarotenoids by robust CrBKT overexpression. Modification of the carotenoid metabolism did not impair growth or biomass productivity of C. reinhardtii, even at high light intensities. Under different growth conditions, the best performing CrBKT overexpression strain was found to reach ketocarotenoid productivities up to 4.3 mg/L/day. Astaxanthin productivity in engineered C. reinhardtii shown here might be competitive with that reported for Haematococcus lacustris (formerly pluvialis) which is currently the main organism cultivated for industrial astaxanthin production. In addition, the extractability and bio-accessibility of these pigments were much higher in cell wall-deficient C. reinhardtii than the resting cysts of H. lacustris. Engineered C. reinhardtii strains could thus be a promising alternative to natural astaxanthin producing algal strains and may open the possibility of other tailor-made pigments from this host.
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Affiliation(s)
| | | | - Thomas Baier
- Faculty of BiologyCenter for Biotechnology (CeBiTec)Bielefeld UniversityBielefeldGermany
| | | | | | - Kyle J. Lauersen
- Faculty of BiologyCenter for Biotechnology (CeBiTec)Bielefeld UniversityBielefeldGermany
| | - Lutz Wobbe
- Faculty of BiologyCenter for Biotechnology (CeBiTec)Bielefeld UniversityBielefeldGermany
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Bacteria as an alternate biofactory for carotenoid production: A review of its applications, opportunities and challenges. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.103867] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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10
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Roell MS, Zurbriggen MD. The impact of synthetic biology for future agriculture and nutrition. Curr Opin Biotechnol 2020; 61:102-109. [DOI: 10.1016/j.copbio.2019.10.004] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 09/30/2019] [Accepted: 10/14/2019] [Indexed: 12/25/2022]
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Nutritional enhancement in plants - green and greener. Curr Opin Biotechnol 2020; 61:122-127. [PMID: 31911264 PMCID: PMC7103755 DOI: 10.1016/j.copbio.2019.12.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 12/10/2019] [Accepted: 12/11/2019] [Indexed: 01/07/2023]
Abstract
Transgenic plants as green factories for the production of compounds with human health benefits. Reduced environmental footprint and improved sustainability via GM plants. Translation of basic research into tangible products.
The global challenges of ensuring sufficient safe and nutritious food for all are enshrined within the Sustainable Development Goals. As our planet's population continues to grow, and as the impacts of climate change and environmental pollution become more visible to all, new solutions continue to be sought as to how best address these. Transgenic crops specifically focussed on delivering health-beneficial compounds will likely play a role in this, and this review will consider several areas where good progress has been made. In particular, the transition from basic research to commercial product is a journey that more and more projects are embarking on, hopefully leading to the fulfilment of earlier promises as to the potential of genetically modified (GM) plants to deliver improved human nutrition.
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Lin CY, Eudes A. Strategies for the production of biochemicals in bioenergy crops. BIOTECHNOLOGY FOR BIOFUELS 2020; 13:71. [PMID: 32318116 PMCID: PMC7158082 DOI: 10.1186/s13068-020-01707-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/02/2020] [Indexed: 05/12/2023]
Abstract
Industrial crops are grown to produce goods for manufacturing. Rather than food and feed, they supply raw materials for making biofuels, pharmaceuticals, and specialty chemicals, as well as feedstocks for fabricating fiber, biopolymer, and construction materials. Therefore, such crops offer the potential to reduce our dependency on petrochemicals that currently serve as building blocks for manufacturing the majority of our industrial and consumer products. In this review, we are providing examples of metabolites synthesized in plants that can be used as bio-based platform chemicals for partial replacement of their petroleum-derived counterparts. Plant metabolic engineering approaches aiming at increasing the content of these metabolites in biomass are presented. In particular, we emphasize on recent advances in the manipulation of the shikimate and isoprenoid biosynthetic pathways, both of which being the source of multiple valuable compounds. Implementing and optimizing engineered metabolic pathways for accumulation of coproducts in bioenergy crops may represent a valuable option for enhancing the commercial value of biomass and attaining sustainable lignocellulosic biorefineries.
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Affiliation(s)
- Chien-Yuan Lin
- Joint BioEnergy Institute, Emeryville, CA 94608 USA
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA
| | - Aymerick Eudes
- Joint BioEnergy Institute, Emeryville, CA 94608 USA
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA
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Routray W, Dave D, Cheema SK, Ramakrishnan VV, Pohling J. Biorefinery approach and environment-friendly extraction for sustainable production of astaxanthin from marine wastes. Crit Rev Biotechnol 2019; 39:469-488. [DOI: 10.1080/07388551.2019.1573798] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Winny Routray
- Marine Bioprocessing Facility, Centre for Aquaculture and Seafood Development, Fisheries and Marine Institute, Memorial University of Newfoundland, St. John’s, Canada
| | - Deepika Dave
- Marine Bioprocessing Facility, Centre for Aquaculture and Seafood Development, Fisheries and Marine Institute, Memorial University of Newfoundland, St. John’s, Canada
| | - Sukhinder K. Cheema
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, Canada
| | - Vegneshwaran V. Ramakrishnan
- Marine Bioprocessing Facility, Centre for Aquaculture and Seafood Development, Fisheries and Marine Institute, Memorial University of Newfoundland, St. John’s, Canada
| | - Julia Pohling
- Marine Bioprocessing Facility, Centre for Aquaculture and Seafood Development, Fisheries and Marine Institute, Memorial University of Newfoundland, St. John’s, Canada
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Xie L, Cahoon E, Zhang Y, Ciftci ON. Extraction of astaxanthin from engineered Camelina sativa seed using ethanol-modified supercritical carbon dioxide. J Supercrit Fluids 2019. [DOI: 10.1016/j.supflu.2018.08.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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