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Bianco M, Ventura G, Coniglio D, Monopoli A, Losito I, Cataldi TRI, Calvano CD. Development of a New Binary Matrix for the Comprehensive Analysis of Lipids and Pigments in Micro- and Macroalgae Using MALDI-ToF/ToF Mass Spectrometry. Int J Mol Sci 2024; 25:5919. [PMID: 38892117 PMCID: PMC11172705 DOI: 10.3390/ijms25115919] [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: 04/30/2024] [Revised: 05/27/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
While edible algae might seem low in fat, the lipids they contain are crucial for good health and preventing chronic diseases. This study introduces a binary matrix to analyze all the polar lipids in both macroalgae (Wakame-Undaria pinnatifida, Dulse-Palmaria palmata, and Nori-Porphyra spp.) and microalgae (Spirulina-Arthrospira platensis, and Chlorella-Chlorella vulgaris) using matrix-assisted laser desorption ionization mass spectrometry (MALDI-MS). The key lies in a new dual matrix made by combining equimolar amounts of 1,5-diaminonaphthalene (DAN) and 9-aminoacridine (9AA). This combination solves the limitations of single matrices: 9AA is suitable for sulfur-containing lipids and acidic phospholipids, while DAN excels as an electron-transfer secondary reaction matrix for intact chlorophylls and their derivatives. By employing the equimolar binary matrix, a wider range of algal lipids, including free fatty acids, phospholipids, glycolipids, pigments, and even rare arsenosugarphospholipids were successfully detected, overcoming drawbacks related to ion suppression from readily ionizable lipids. The resulting mass spectra exhibited a good signal-to-noise ratio at a lower laser fluence and minimized background noise. This improvement stems from the binary matrix's ability to mitigate in-source decay effects, a phenomenon often encountered for certain matrices. Consequently, the data obtained are more reliable, facilitating a faster and more comprehensive exploration of algal lipidomes using high-throughput MALDI-MS/MS analysis.
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Affiliation(s)
- Mariachiara Bianco
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy; (M.B.); (G.V.); (D.C.); (A.M.); (I.L.); (T.R.I.C.)
| | - Giovanni Ventura
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy; (M.B.); (G.V.); (D.C.); (A.M.); (I.L.); (T.R.I.C.)
- Centro Interdipartimentale di Spettrometria di MAssa per Ricerche Tecnologiche (SMART), Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy
| | - Davide Coniglio
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy; (M.B.); (G.V.); (D.C.); (A.M.); (I.L.); (T.R.I.C.)
| | - Antonio Monopoli
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy; (M.B.); (G.V.); (D.C.); (A.M.); (I.L.); (T.R.I.C.)
| | - Ilario Losito
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy; (M.B.); (G.V.); (D.C.); (A.M.); (I.L.); (T.R.I.C.)
- Centro Interdipartimentale di Spettrometria di MAssa per Ricerche Tecnologiche (SMART), Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy
| | - Tommaso R. I. Cataldi
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy; (M.B.); (G.V.); (D.C.); (A.M.); (I.L.); (T.R.I.C.)
- Centro Interdipartimentale di Spettrometria di MAssa per Ricerche Tecnologiche (SMART), Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy
| | - Cosima D. Calvano
- Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy; (M.B.); (G.V.); (D.C.); (A.M.); (I.L.); (T.R.I.C.)
- Centro Interdipartimentale di Spettrometria di MAssa per Ricerche Tecnologiche (SMART), Università degli Studi di Bari Aldo Moro, Campus Universitario, Via E. Orabona, 4, 70126 Bari, Italy
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Cebrián-Lloret V, Cartan-Moya S, Martínez-Sanz M, Gómez-Cortés P, Calvo MV, López-Rubio A, Martínez-Abad A. Characterization of the invasive macroalgae Rugulopteryx Okamurae for potential biomass valorisation. Food Chem 2024; 440:138241. [PMID: 38141439 DOI: 10.1016/j.foodchem.2023.138241] [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: 08/02/2023] [Revised: 11/15/2023] [Accepted: 12/18/2023] [Indexed: 12/25/2023]
Abstract
This study aimed to examine the composition and properties of the invasive macroalgae R. okamurae and explore potential applications. The results showed that the seaweed biomass is mainly composed of structural carbohydrates, with alginate being the main constituent, accounting for 32 % of its total composition and with a mannuronic and guluronic acid ratio (M/G) ratio of 0.93. It also has a relatively high concentration of fucose, related to the presence of fucoidans that have important biological functions. Among the mineral contents, a high magnesium and calcium (7107 and 5504 mg/kg) concentration, and the presence of heavy metals above legislated thresholds, were notable. R. okamurae also contained a high lipid content of 17 %, mainly composed of saturated fatty acids, but with a significant fraction of n3 polyunsaturated fatty acids (18 %) resulting in a low n6/n3 ratio (0.31), that has health benefits. The protein content of R. okamurae was 12 %, with high-quality proteins, as essential amino acids (mainly leucine, phenylalanine and valine) constitute 32 % of the total amino acids. It also showed a high polyphenol content and outstanding antioxidant properties (106.88 mg TE/g). Based on these findings, R. okamurae has significant potential as a sustainable source of bioactive compounds that can add value to different sectors, including food, feed, pharmaceuticals and cosmetics.
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Affiliation(s)
- Vera Cebrián-Lloret
- Food Safety and Preservation Department, IATA-CSIC, Avda. Agustín Escardino 7, Paterna 46980, Valencia, Spain
| | - Sara Cartan-Moya
- Food Safety and Preservation Department, IATA-CSIC, Avda. Agustín Escardino 7, Paterna 46980, Valencia, Spain
| | - Marta Martínez-Sanz
- Department of Bioactivity and Food Analysis, Institute of Food Science Research, CIAL (CSIC-UAM), Nicolás Cabrera, 9, 28049 Madrid, Spain
| | - Pilar Gómez-Cortés
- Department of Bioactivity and Food Analysis, Institute of Food Science Research, CIAL (CSIC-UAM), Nicolás Cabrera, 9, 28049 Madrid, Spain
| | - María Visitación Calvo
- Department of Bioactivity and Food Analysis, Institute of Food Science Research, CIAL (CSIC-UAM), Nicolás Cabrera, 9, 28049 Madrid, Spain
| | - Amparo López-Rubio
- Food Safety and Preservation Department, IATA-CSIC, Avda. Agustín Escardino 7, Paterna 46980, Valencia, Spain
| | - Antonio Martínez-Abad
- Food Safety and Preservation Department, IATA-CSIC, Avda. Agustín Escardino 7, Paterna 46980, Valencia, Spain.
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Yamada H, Miyasaka R, Hamada H. Euphausia pacifica emulsified oil powder improves sleep quality in partially sleep-restricted healthy volunteers. Biosci Biotechnol Biochem 2024; 88:561-570. [PMID: 38305100 DOI: 10.1093/bbb/zbae012] [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: 11/02/2023] [Accepted: 01/27/2024] [Indexed: 02/03/2024]
Abstract
Although it is known that adequate sleep is crucial for maintaining a healthy lifestyle, approximately 30% of the general population has experienced insomnia. Thus, a better understanding of the relationship between food components and sleep quality is needed. North Pacific krill, Euphausia pacifica, is rich in marine n-3 polyunsaturated fatty acids in phospholipid form as well as 8R-hydroxy-eicosapentanoic acid. Here, emulsified oil powder derived from this krill was used in a trial involving 64 participants to assess its potential to enhance sleep quality. Consumption of the powdered emulsified oil was found to reduce drowsiness upon waking and enhance fatigue recovery, and for participants aged 40 and above, an improvement in sleep cycle was observed. In conclusion, consumption of krill emulsified oil powder was effective in enhancing sleep quality for individuals with partial sleep restrictions.
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Affiliation(s)
- Hidetoshi Yamada
- Faculty of Life & Environmental Science, Teikyo University of Science, Tokyo, Japan
| | - Raimu Miyasaka
- Faculty of Life & Environmental Science, Teikyo University of Science, Tokyo, Japan
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Zhang W, Hu W, Zhu Q, Niu M, An N, Feng Y, Kawamura K, Fu P. Hydroxy fatty acids in the surface Earth system. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167358. [PMID: 37793460 DOI: 10.1016/j.scitotenv.2023.167358] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/20/2023] [Accepted: 09/23/2023] [Indexed: 10/06/2023]
Abstract
Lipids are ubiquitous and highly abundant in a wide range of organisms and have been found in various types of environmental media. These molecules play a crucial role as organic tracers by providing a chemical perspective on viewing the material world, as well as offering a wealth of information on metabolic activities. Among the diverse lipid compounds, hydroxy fatty acids (HFAs) with one to multiple hydroxyl groups attached to the carbon chain stand out as important biomarkers for different sources of organic matter. HFAs are widespread in nature and are involved in biotransformation and oxidation processes in living organisms. The unique chemical and physical properties attributed to the hydroxyl group make HFAs ideal biomarkers in biomedicine and environmental toxicology, as well as organic geochemistry. The molecular distribution patterns of HFAs can be unique and diagnostic for a given class of organisms, including animals, plants, and microorganisms. Thus, HFAs can act as a valuable proxy for understanding the ecological relationships between different organisms and their environment. Furthermore, HFAs have numerous industrial applications due to their higher reactivity, viscosity, and solvent miscibility. This review paper integrates the latest research on the sources and chemical analyses of HFAs, as well as their applications in industrial/medicinal production and as biomarkers in environmental studies. This review article also provides insights into the biogeochemical cycles of HFAs in the surface Earth system, highlighting the importance of these compounds in understanding the complex interactions between living organisms and the environment.
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Affiliation(s)
- Wenxin Zhang
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China; Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Wei Hu
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China; Tianjin Bohai Rim Coastal Earth Critical Zone National Observation and Research Station, Tianjin University, Tianjin 300072, China.
| | - Quanfei Zhu
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Mutong Niu
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China
| | - Na An
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Yuqi Feng
- Department of Chemistry, Wuhan University, Wuhan 430072, China; Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430072, China
| | - Kimitaka Kawamura
- Chubu Institute for Advanced Studies, Chubu University, Kasugai 487-8501, Japan
| | - Pingqing Fu
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China; Tianjin Key Laboratory of Earth Critical Zone Science and Sustainable Development in Bohai Rim, Tianjin University, Tianjin 300072, China.
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5
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Wen H, Leong PM, Wang X, Li D. Isolation and Characterization of n-3 Polyunsaturated Fatty Acids in Enteromorpha prolifera Lipids and Their Preventive Effects on Ulcerative Colitis in C57BL/6J Mice. Foods 2023; 13:46. [PMID: 38201073 PMCID: PMC10778640 DOI: 10.3390/foods13010046] [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: 11/22/2023] [Revised: 12/14/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
Enteromorpha prolifera (EP) is a green alga that causes green bloom worldwide. This study aimed to isolate and identify n-3 polyunsaturated fatty acids (PUFAs) from EP oil obtained via supercritical fluid extraction (SFE) and to explore its preventive effects against dextran sodium sulfate (DSS)-induced ulcerative colitis in C57BL/6J mice. In EP oil, we found the novel n-3 polyunsaturated fatty acid C16:4n-3 and two unusual fatty acids C18:4n-3 and C16:3n-3, using GC-MS. The administration of EP oil reduced histopathological of symptoms colitis and the shortening of the colon length. Pro-inflammatory cytokines of IL-6 and TNF-α in serum of EP oil treatment were lower than DSS treatment (by 37.63% and 83.52%), and IL-6 gene expression in the colon was lower in than DSS group by 48.28%, and IL-10 in serum was higher than DSS group by 2.88-fold. Furthermore, the protein expression of p-STAT3 by the EP oil treatment was significantly reduced compared with DSS treatment group by 73.61%. Lipidomics study suggested that phosphatidylcholine and phosphatidylethanolamine were positively associated with the anti-inflammatory cytokine IL-10, while cholesteryl ester and sphingomyelin were negatively related to inflammation cytokines in the EP oil group. The present results indicated that EP oil rich in n-3 PUFA contains a novel fatty acid C16:4n-3, as well as two uncommon fatty acids C18:4n-3 and C16:3n-3. EP oil could prevent DSS-induced ulcerative colitis by regulating the JAK/STAT pathway and lipid metabolism.
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Affiliation(s)
- Haichao Wen
- Institute of Nutrition and Health, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China; (H.W.); (X.W.)
- School of Public Health, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China;
| | - Pooi Mun Leong
- School of Public Health, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China;
| | - Xincen Wang
- Institute of Nutrition and Health, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China; (H.W.); (X.W.)
- School of Public Health, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China;
| | - Duo Li
- Institute of Nutrition and Health, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China; (H.W.); (X.W.)
- School of Public Health, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China;
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Görs PE, Ayala-Cabrera JF, Meckelmann SW. Unraveling the Double Bond Position of Fatty Acids by GC-MS Using Electron Capture APCI and In-Source Fragmentation Patterns. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023; 34:2538-2546. [PMID: 37751542 DOI: 10.1021/jasms.3c00257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
The position of double bonds in unsaturated fatty acids is strongly connected to their biological effects, but their analytical characterization is still challenging. However, the ionization of unsaturated fatty acids by a GC-APCI leads to regiospecific in-source fragment ions, which can be used to identify the double bond position. The fragment ions are oxidized species that occur mostly at the double bond closest to the carboxylic acid group. This effect can be further promoted by using benzaldehyde as a gas-phase reactant. This allows the identification of the Δ-notation of the fatty acid, and based on additional information such as m/z and retention time, it is possible to annotate the corresponding fatty acid. The developed method also enables the quantification of fatty acids in one step with high selectivity and sensitivity. Moreover, rare fatty acids can be identified in suspected target approaches that are often not available as standards. This was demonstrated by analyzing fish oil samples that provide a complex mixture of highly unsaturated fatty acids and by identifying rare fatty acids such as hexadecatetraenoic acid (FA 16:4 Δ6).
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Affiliation(s)
- Paul E Görs
- Applied Analytical Chemistry, University of Duisburg-Essen, Universitätsstrasse 5, 45141 Essen, Germany
| | - Juan F Ayala-Cabrera
- Applied Analytical Chemistry, University of Duisburg-Essen, Universitätsstrasse 5, 45141 Essen, Germany
- Department of Analytical Chemistry, University of the Basque Country, 48080 Leioa, Biscay, Basque Country, Spain
- Research Centre for Experimental Marine Biology and Biotechnology (PiE), University of the Basque Country (UPV/EHU), 48620 Plentzia, Biscay, Basque Country, Spain
| | - Sven W Meckelmann
- Applied Analytical Chemistry, University of Duisburg-Essen, Universitätsstrasse 5, 45141 Essen, Germany
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Long chain fatty acids analysis of intertidal biofilm by direct injection liquid chromatography time of flight mass spectrometry. J Chromatogr A 2023; 1693:463870. [PMID: 36848732 DOI: 10.1016/j.chroma.2023.463870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/15/2023]
Abstract
The critical importance of mono- and polyunsaturated fatty acids (FAs) in a variety of biological functions, including animal nutrition and as an environmental stress monitor, is well recognized. However, while methods exist for monitoring of fatty acids, few are specific either to the profile of a microphytobenthos matrix or practical in application to multiple, diverse intertidal biofilm sample sets. In the current study, a sensitive liquid chromatography (LC) quadrupole time of flight mass spectrometry (QTOF) method was developed for the quantitative analysis of 31 FAs specific to intertidal biofilm, a thin mucilaginous layer of microalgae, bacteria, and other organisms on the surface of coastal mudflats, which provide a rich source of FAs for migratory birds. Preliminary screening of diverse biofilm samples collected from shorebird feeding grounds highlighted eight saturated (SFA), seven monounsaturated (MUFA), and sixteen polyunsaturated FAs (PUFA) that were selected for analysis. Improved method detection limits in the range 0.3-2.6 ngmL-1 were achieved, excepting for stearic acid at 10.6 ngmL-1. These excellent results were obtained without use of complex sample extraction and clean-up procedures undertaken by other published methods. An alkaline matrix of dilute aqueous ammonium hydroxide with methanol was shown to be selective for extraction and stability of the more hydrophilic fatty acid components. The direct injection method showed excellent precision and accuracy both during validation and application to hundreds of real-world intertidal biofilm samples from the Fraser River estuary (British Columbia, Canada) and other areas of the region frequented by shoreline birds.
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Yotbuntueng P, Jiemsup S, Deenarn P, Tobwor P, Yongkiettrakul S, Vichai V, Pruksatrakul T, Sittikankaew K, Karoonuthaisiri N, Leelatanawit R, Wimuttisuk W. Differential distribution of eicosanoids and polyunsaturated fatty acids in the Penaeus monodon male reproductive tract and their effects on total sperm counts. PLoS One 2022; 17:e0275134. [PMID: 36137117 PMCID: PMC9499254 DOI: 10.1371/journal.pone.0275134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 09/09/2022] [Indexed: 11/25/2022] Open
Abstract
Eicosanoids, which are oxygenated derivatives of polyunsaturated fatty acids (PUFAs), serve as signaling molecules that regulate spermatogenesis in mammals. However, their roles in crustacean sperm development remain unknown. In this study, the testis and vas deferens of the black tiger shrimp Penaeus monodon were analyzed using ultra-high performance liquid chromatography coupled with Orbitrap high resolution mass spectrometry. This led to the identification of three PUFAs and ten eicosanoids, including 15-deoxy-Δ12,14-prostaglandin J2 (15d-PGJ2) and (±)15-hydroxyeicosapentaenoic acid ((±)15-HEPE), both of which have not previously been reported in crustaceans. The comparison between wild-caught and domesticated shrimp revealed that wild-caught shrimp had higher sperm counts, higher levels of (±)8-HEPE in testes, and higher levels of prostaglandin E2 (PGE2) and prostaglandin F2α in vas deferens than domesticated shrimp. In contrast, domesticated shrimp contained higher levels of (±)12-HEPE, (±)18-HEPE, and eicosapentaenoic acid (EPA) in testes and higher levels of 15d-PGJ2, (±)12-HEPE, EPA, arachidonic acid (ARA), and docosahexaenoic acid (DHA) in vas deferens than wild-caught shrimp. To improve total sperm counts in domesticated shrimp, these broodstocks were fed with polychaetes, which contained higher levels of PUFAs than commercial feed pellets. Polychaete-fed shrimp produced higher total sperm counts and higher levels of PGE2 in vas deferens than pellet-fed shrimp. In contrast, pellet-fed shrimp contained higher levels of (±)12-HEPE, (±)18-HEPE, and EPA in testes and higher levels of (±)12-HEPE in vas deferens than polychaete-fed shrimp. These data suggest a positive correlation between high levels of PGE2 in vas deferens and high total sperm counts as well as a negative correlation between (±)12-HEPE in both shrimp testis and vas deferens and total sperm counts. Our analysis not only confirms the presence of PUFAs and eicosanoids in crustacean male reproductive organs, but also suggests that the eicosanoid biosynthesis pathway may serve as a potential target to improve sperm production in shrimp.
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Affiliation(s)
- Pisut Yotbuntueng
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Surasak Jiemsup
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Pacharawan Deenarn
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Punsa Tobwor
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Suganya Yongkiettrakul
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Vanicha Vichai
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Thapanee Pruksatrakul
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Kanchana Sittikankaew
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Nitsara Karoonuthaisiri
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
- Institute for Global Food Security, Queen’s University, Belfast, United Kingdom
- International Joint Research Center on Food Security, Khlong Luang, Pathum Thani, Thailand
| | - Rungnapa Leelatanawit
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
| | - Wananit Wimuttisuk
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani, Thailand
- * E-mail:
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Ishida N, Yamada H, Hirose M. Euphausia pacifica (North Pacific Krill): Review of Chemical Features and Potential Benefits of 8-HEPE against Metabolic Syndrome, Dyslipidemia, NAFLD, and Atherosclerosis. Nutrients 2021; 13:nu13113765. [PMID: 34836021 PMCID: PMC8618228 DOI: 10.3390/nu13113765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/22/2021] [Accepted: 10/22/2021] [Indexed: 11/16/2022] Open
Abstract
Marine n-3 fatty acids are well known to have health benefits. Recently, krill oil, which contains phospholipids, has been in the spotlight as an n-3 PUFA-containing oil. Euphausia pacifica (E. pacifica), also called North Pacific krill, is a small, red crustacean similar to shrimp that flourishes in the North Pacific Ocean. E. pacifica oil contains 8-hydroxyeicosapentaenoic acid (8-HEPE) at a level more than 10 times higher than Euphausia superba oil. 8-HEPE can activate the transcription of peroxisome proliferator-activated receptor alpha (PPARα), PPARγ, and PPARδ to levels 10, 5, and 3 times greater than eicosapentaenoic acid, respectively. 8-HEPE has beneficial effects against metabolic syndrome (reduction in body weight gain, visceral fat area, amount of gonadal white adipose tissue, and gonadal adipocyte cell size), dyslipidemia (reduction in serum triacylglycerol and low-density lipoprotein cholesterol and induction of serum high-density lipoprotein cholesterol), atherosclerosis, and nonalcoholic fatty liver disease (reduction in triglyceride accumulation and hepatic steatosis in the liver) in mice. Further studies should focus on the beneficial effects of North Pacific krill oil products and 8-HEPE on human health.
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Affiliation(s)
- Nanae Ishida
- Department of Pathophysiology and Pharmacology, School of Pharmaceutical Sciences, Iwate Medical University, Iwate 028-3694, Japan;
| | - Hidetoshi Yamada
- Faculty of Life & Environmental Science, Teikyo University of Science, Tokyo 120-0045, Japan;
| | - Masamichi Hirose
- Department of Pathophysiology and Pharmacology, School of Pharmaceutical Sciences, Iwate Medical University, Iwate 028-3694, Japan;
- Correspondence: ; Tel.: +81-19-651-5110
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Identification of a novel enzyme from E. pacifica that acts as an eicosapentaenoic 8R-LOX and docosahexaenoic 10R-LOX. Sci Rep 2020; 10:20592. [PMID: 33244101 PMCID: PMC7693274 DOI: 10.1038/s41598-020-77386-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 11/09/2020] [Indexed: 01/20/2023] Open
Abstract
North Pacific krill (Euphausia pacifica) contain 8R-hydroxy-eicosapentaenoic acid (8R-HEPE), 8R-hydroxy-eicosatetraenoic acid (8R-HETE) and 10R-hydroxy-docosahexaenoic acid (10R-HDHA). These findings indicate that E. pacifica must possess an R type lipoxygenase, although no such enzyme has been identified in krill. We analyzed E. pacifica cDNA sequence using next generation sequencing and identified two lipoxygenase genes (PK-LOX1 and 2). PK-LOX1 and PK-LOX2 encode proteins of 691 and 686 amino acids, respectively. Recombinant PK-LOX1 was generated in Sf9 cells using a baculovirus expression system. PK-LOX1 metabolizes eicosapentaenoic acid (EPA) to 8R-HEPE, arachidonic acid (ARA) to 8R-HETE and docosahexaenoic acid (DHA) to 10R-HDHA. Moreover, PK-LOX1 had higher activity for EPA than ARA and DHA. In addition, PK-LOX1 also metabolizes 17S-HDHA to 10R,17S-dihydroxy-docosahexaenoic acid (10R,17S-DiHDHA). PK-LOX1 is a novel lipoxygenase that acts as an 8R-lipoxygenase for EPA and 10R-lipoxygenase for DHA and 17S-HDHA. Our findings show PK-LOX1 facilitates the enzymatic production of hydroxy fatty acids, which are of value to the healthcare sector.
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Ahmmed MK, Ahmmed F, Tian HS, Carne A, Bekhit AED. Marine omega-3 (n-3) phospholipids: A comprehensive review of their properties, sources, bioavailability, and relation to brain health. Compr Rev Food Sci Food Saf 2019; 19:64-123. [PMID: 33319514 DOI: 10.1111/1541-4337.12510] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 10/06/2019] [Accepted: 10/27/2019] [Indexed: 12/15/2022]
Abstract
For several decades, there has been considerable interest in marine-derived long chain n-3 fatty acids (n-3 LCPUFAs) due to their outstanding health benefits. n-3 LCPUFAs can be found in nature either in triglycerides (TAGs) or in phospholipid (PL) form. From brain health point of view, PL n-3 is more bioavailable and potent compared to n-3 in TAG form, as only PL n-3 is able to cross the blood-brain barrier and can be involved in brain biochemical reactions. However, PL n-3 has been ignored in the fish oil industry and frequently removed as an impurity during degumming processes. As a result, PL products derived from marine sources are very limited compared to TAG products. Commercially, PLs are being used in pharmaceutical industries as drug carriers, in food manufacturing as emulsifiers and in cosmetic industries as skin care agents, but most of the PLs used in these applications are produced from vegetable sources that contain less (without EPA, DPA, and DHA) or sometimes no n-3 LCPUFAs. This review provides a comprehensive account of the properties, structures, and major sources of marine PLs, and provides focussed discussion of their relationship to brain health. Epidemiological, laboratory, and clinical studies on n-3 LCPUFAs enriched PLs using different model systems in relation to brain and mental health that have been published over the past few years are discussed in detail.
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Affiliation(s)
- Mirja Kaizer Ahmmed
- Department of Food Science, University of Otago, Dunedin, New Zealand.,Department of Fishing and Post-Harvest Technology, Faculty of Fisheries, Chittagong Veterinary and Animal Sciences University, Khulshi, Bangladesh
| | - Fatema Ahmmed
- Department of Chemistry, University of Otago, Dunedin, New Zealand
| | | | - Alan Carne
- Department of Biochemistry, University of Otago, Dunedin, New Zealand
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Yamada H, Kumagai K, Uemura A, Yuki S. Euphausia pacifica as a source of 8( R)-hydroxy-eicosapentaenoic acid (8 R-HEPE), 8( R)-hydroxy-eicosatetraenoic acid (8 R-HETE) and 10( R)-hydroxy-docosahexaenoic acid (10 R-HDHA). Biosci Biotechnol Biochem 2019; 84:455-462. [PMID: 31738665 DOI: 10.1080/09168451.2019.1691912] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Although not fully investigated, 8-HEPE, 8-HETE, and 10-HDHA have potentially beneficial effects for human health. Euphausia pacifica (North Pacific krill) is unique in containing several ppm level of 8R-HEPE, and sub-ppm levels of 8R-HETE and 10R-HDHA. Obtaining sufficient quantities of these compounds is a major bottleneck for conducting in vivo experiments to evaluate their biological activities. In this study, we examined an efficient way of obtaining 8R-HEPE, 8R-HETE, and 10R-HDHA by enzymatic production in E. pacifica. We devised a novel method to purify 199.4 mg of 8R-HEPE, 2.1 mg of 8R-HETE and 5.6 mg of 10R-HDHA from 1 kg of E. pacifica. We identified the stereochemistry of the hydroxy group at C-8 of HEPE and HETE and C-10 of HDHA as the R configuration by chiral column chromatography analysis using LC/QTOFMS.Abbreviations: 8-HEPE: 8-hydroxy-eicosapentaenoic acid; 8-HETE: 8-hydroxy-eicosatetraenoic acid; 10-HDHA: 10-hydroxy-docosahexaenoic acid; EPA: eicosapentaenoic acid; TLC-FID, thin layer chromatograph-Flame Ionization Detector; LC/QTOFMS: liquid chromatography/hybrid quadrupole time of flight mass spectrometry.
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Affiliation(s)
| | | | - Aiko Uemura
- Iwate Biotechnology Research Center, Kitakami, Japan
| | - Sayaka Yuki
- Iwate Biotechnology Research Center, Kitakami, Japan
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Yue Y, Zhang Q, Wang J. Integrated Gas Chromatograph-Mass Spectrometry (GC/MS) and MS/MS-Based Molecular Networking Reveals the Analgesic and Anti-Inflammatory Phenotypes of the Sea Slater Ligia exotica. Mar Drugs 2019; 17:md17070395. [PMID: 31277424 PMCID: PMC6669569 DOI: 10.3390/md17070395] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 07/02/2019] [Indexed: 02/07/2023] Open
Abstract
The sea slater Ligia exotica is believed to have effects of reducing swelling and relieving pain in Chinese folk medicine. However, the scientific foundation of using the sea slater Ligia spp. as an analgesic and anti-inflammatory material remains elusive. In the present study, various organic extracts from sea slater L. exotica were subjected to biological screening employing in vitro and in vivo models, and chemical phenotypes of the biologically active extract were deciphered by integrated gas chromatograph-mass spectrometry (GC-MS) profiling and MS/MS-based molecular networking. The results demonstrated, for the first time, that petroleum ether extract (PE) from L. exotica possessed remarkable anti-inflammatory and analgesic effects. Moreover, intragastric administration of PE at 200 mg/kg produced analgesic effects in both the writhing test and hot plate test. GC-MS analysis revealed that Z-9-hexadecenoic acid and 6-octadecenoic acid dominated in the volatile compositions of PE. Molecular networking (MN) suggested great chemical diversity within L. exotica. In total, 69 known compounds were identified in Ligia extracts by MS/MS spectral matching, and at least 7 analogues from two clusters of nitrogen-containing compounds (MN3,4) were strongly suggested as novel compounds. The molecular families MN1,3,4 were almost exclusively detected in the biologically active PE and ethyl acetate extract (EE). Importantly, various known compounds identified in MN1 were reported to possess analgesic and anti-inflammatory effects in the literature, which may contribute to the observed analgesic and anti-inflammatory effects of L. exotica. The present study not only demonstrated the ethnopharmaceutical value of L. exotica for pain-relief in Chinese folk medicine, but also suggested that sea slaters may represent a promising source for discovery of novel analgesic and anti-inflammatory compounds in the near future.
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Affiliation(s)
- Yang Yue
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China
| | - Quanbin Zhang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China.
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
- Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China.
| | - Jing Wang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China
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