1
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Aoyagi K, Kato S, Isaka D, Sekiguchi Y, Otoki Y, Uehara H, Nakagawa K. Preparation of saturated fatty acid hydroperoxide isomers and determination of their thermal decomposition products - 2-alkanones and lactones. Food Chem X 2024; 21:101074. [PMID: 38223526 PMCID: PMC10784145 DOI: 10.1016/j.fochx.2023.101074] [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: 06/30/2023] [Revised: 12/10/2023] [Accepted: 12/13/2023] [Indexed: 01/16/2024] Open
Abstract
As known for quite a long time now, even saturated fatty acids can be oxidized at high temperatures to produce unique aroma compounds, such as 2-alkanones and lactones. Hydroperoxide positional isomers with a hydroperoxy group at the 2-, 3-, 4-, or 5-position are hypothesized to be responsible for the formation of these aroma components, but this hypothesis has not been verified. For the first time, this study successfully prepared a series of glyceryl trioctanoate hydroperoxide (C8TG;OOH) isomers. The isomers were thermally decomposed, proving that 2-heptanone was selectively formed from C8TG;3-OOH, and γ- and δ-octalactones were mainly formed from C8TG;4- and 5-OOH, respectively. C8TG;2-OOH was also involved in lactone formation, whereas C8TG;6- and 7-OOH were not. This proves the long-standing hypothesis. The mechanism revealed in this work is expected to be useful to create favorable aromas (i.e., 2-alkanones and lactones) from saturated fatty acids.
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Affiliation(s)
- Kanji Aoyagi
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, 468-1, Aoba, Aramaki-aza, Aoba-ku, Sendai, Miyagi 980-8572, Japan
- Central Research Laboratory, Technical Division, The Nisshin OilliO Group, Ltd., 1 Shinmori-cho, Isogo-ku, Yokohama, Kanagawa 235-8558, Japan
| | - Shunji Kato
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, 468-1, Aoba, Aramaki-aza, Aoba-ku, Sendai, Miyagi 980-8572, Japan
| | - Daisuke Isaka
- Central Research Laboratory, Technical Division, The Nisshin OilliO Group, Ltd., 1 Shinmori-cho, Isogo-ku, Yokohama, Kanagawa 235-8558, Japan
| | - Yoshinori Sekiguchi
- Central Research Laboratory, Technical Division, The Nisshin OilliO Group, Ltd., 1 Shinmori-cho, Isogo-ku, Yokohama, Kanagawa 235-8558, Japan
| | - Yurika Otoki
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, 468-1, Aoba, Aramaki-aza, Aoba-ku, Sendai, Miyagi 980-8572, Japan
| | - Hidetaka Uehara
- Central Research Laboratory, Technical Division, The Nisshin OilliO Group, Ltd., 1 Shinmori-cho, Isogo-ku, Yokohama, Kanagawa 235-8558, Japan
| | - Kiyotaka Nakagawa
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, 468-1, Aoba, Aramaki-aza, Aoba-ku, Sendai, Miyagi 980-8572, Japan
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2
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Calabrese V, Brunet TA, Degli-Esposti D, Chaumot A, Geffard O, Salvador A, Clément Y, Ayciriex S. Electron-activated dissociation (EAD) for the complementary annotation of metabolites and lipids through data-dependent acquisition analysis and feature-based molecular networking, applied to the sentinel amphipod Gammarus fossarum. Anal Bioanal Chem 2024:10.1007/s00216-024-05232-w. [PMID: 38492024 DOI: 10.1007/s00216-024-05232-w] [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: 12/12/2023] [Revised: 02/23/2024] [Accepted: 02/27/2024] [Indexed: 03/18/2024]
Abstract
The past decades have marked the rise of metabolomics and lipidomics as the -omics sciences which reflect the most phenotypes in living systems. Mass spectrometry-based approaches are acknowledged for both quantification and identification of molecular signatures, the latter relying primarily on fragmentation spectra interpretation. However, the high structural diversity of biological small molecules poses a considerable challenge in compound annotation. Feature-based molecular networking (FBMN) combined with database searches currently sets the gold standard for annotation of large datasets. Nevertheless, FBMN is usually based on collision-induced dissociation (CID) data, which may lead to unsatisfying information. The use of alternative fragmentation methods, such as electron-activated dissociation (EAD), is undergoing a re-evaluation for the annotation of small molecules, as it gives access to additional fragmentation routes. In this study, we apply the performances of data-dependent acquisition mass spectrometry (DDA-MS) under CID and EAD fragmentation along with FBMN construction, to perform extensive compound annotation in the crude extracts of the freshwater sentinel organism Gammarus fossarum. We discuss the analytical aspects of the use of the two fragmentation modes, perform a general comparison of the information delivered, and compare the CID and EAD fragmentation pathways for specific classes of compounds, including previously unstudied species. In addition, we discuss the potential use of FBMN constructed with EAD fragmentation spectra to improve lipid annotation, compared to the classic CID-based networks. Our approach has enabled higher confidence annotations and finer structure characterization of 823 features, including both metabolites and lipids detected in G. fossarum extracts.
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Affiliation(s)
- Valentina Calabrese
- Universite Claude Bernard Lyon1, ISA, UMR 5280, CNRS, 5 Rue de La Doua, 69100, Villeurbanne, France.
| | - Thomas Alexandre Brunet
- Universite Claude Bernard Lyon1, ISA, UMR 5280, CNRS, 5 Rue de La Doua, 69100, Villeurbanne, France
| | | | - Arnaud Chaumot
- Laboratoire d'écotoxicologie, INRAE, UR RiverLy, 69625, Villeurbanne, France
| | - Olivier Geffard
- Laboratoire d'écotoxicologie, INRAE, UR RiverLy, 69625, Villeurbanne, France
| | - Arnaud Salvador
- Universite Claude Bernard Lyon1, ISA, UMR 5280, CNRS, 5 Rue de La Doua, 69100, Villeurbanne, France
| | - Yohann Clément
- Universite Claude Bernard Lyon1, ISA, UMR 5280, CNRS, 5 Rue de La Doua, 69100, Villeurbanne, France
| | - Sophie Ayciriex
- Universite Claude Bernard Lyon1, ISA, UMR 5280, CNRS, 5 Rue de La Doua, 69100, Villeurbanne, France.
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3
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Saito H, Kato S, Shimizu N, Takahashi T, Jutanom M, Ito J, Kasatani S, Nakagawa K. LC-MS/MS analysis of milk triacylglycerol hydroperoxide isomers which are generated corresponding to the photo- and thermal-oxidation. Food Res Int 2024; 178:113913. [PMID: 38309901 DOI: 10.1016/j.foodres.2023.113913] [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: 09/14/2023] [Revised: 12/16/2023] [Accepted: 12/21/2023] [Indexed: 02/05/2024]
Abstract
Milk is a rich source of essential nutrients such as lipids. However, lipid oxidation can be considered a crucial factor in determining the initial stage of milk deterioration. Therefore, it is essential to identify the mechanisms of lipid oxidation, such as photo-oxidation or thermal oxidation, to efficiently prevent it by selecting proper antioxidants. In this study, the oxidation mechanisms of long-life (LL) milk were investigated, and triacylglycerol hydroperoxide isomers generated corresponding to the oxidation mechanisms were analyzed by LC-MS/MS. This study first prepared the standard of TG 4:0_16:0_18:1;OOH isomers, which are the appropriate target for evaluating LL milk's oxidation mechanism. The authentic standards provided the robust analysis of TG 4:0_16:0_18:1;OOH isomers and suggested that LL milk was susceptible to photo-oxidation rather than thermal-oxidation. Furthermore, it was discovered that radicals play a role in the oxidation of LL milk during photo-oxidation. This information could be valuable in effectively preventing photo-oxidation in LL milk. It is important to note that milk is contained in a variety of food products. Hence, these findings would be applicable not only to milk but also to various milk-containing food products.
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Affiliation(s)
- Hirotada Saito
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Japan
| | - Shunji Kato
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Japan
| | - Naoki Shimizu
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Japan
| | - Takumi Takahashi
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Japan
| | - Mirinthorn Jutanom
- Department of Molecular Pathobiology, Faculty of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 812-8582, Japan
| | - Junya Ito
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Japan
| | - Satoshi Kasatani
- Science & Innovation Center, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama-shi, Kanagawa 227-8502, Japan
| | - Kiyotaka Nakagawa
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Japan.
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4
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Jutanom M, Kato S, Yamashita S, Toda M, Kinoshita M, Nakagawa K. Analysis of oxidized glucosylceramide and its effects on altering gene expressions of inflammation induced by LPS in intestinal tract cell models. Sci Rep 2023; 13:22537. [PMID: 38110468 PMCID: PMC10728070 DOI: 10.1038/s41598-023-49521-3] [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: 10/10/2023] [Accepted: 12/08/2023] [Indexed: 12/20/2023] Open
Abstract
Glucosylceramide (GlcCer) belongs to sphingolipids and is found naturally in plant foods and other sources that humans consume daily. Our previous studies demonstrated that GlcCer prevents inflammatory bowel disease both in vitro and in vivo, whose patients are increasing alarmingly. Although some lipids are vulnerable to oxidation which changes their structure and activities, it is unknown whether oxidative modification of GlcCer affects its activity. In this research, we oxidized GlcCer in the presence of a photosensitizer, analyzed the oxide by mass spectrometric techniques, and examined its anti-inflammatory activity in lipopolysaccharide (LPS)-treated differentiated Caco-2 cells as in vitro model of intestinal inflammation. The results showed that GlcCer is indeed oxidized, producing GlcCer hydroperoxide (GlcCerOOH) as a primary oxidation product. We also found that oxidized GlcCer preserves beneficial functions of GlcCer, suppressing inflammatory-related gene expressions. These findings suggested that GlcCerOOH may perform as an LPS recognition antagonist to discourage inflammation rather than induce inflammation.
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Affiliation(s)
- Mirinthorn Jutanom
- Food Function Analysis Laboratory, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8572, Japan
- Department of Molecular Pathobiology, Faculty of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka, 812-8582, Japan
| | - Shunji Kato
- Food Function Analysis Laboratory, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8572, Japan
| | - Shinji Yamashita
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Japan
| | - Masako Toda
- Food and Biomolecular Science Laboratory, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, 980-8572, Japan
| | - Mikio Kinoshita
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, 080-8555, Japan
| | - Kiyotaka Nakagawa
- Food Function Analysis Laboratory, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8572, Japan.
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5
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Bai B, Qi S, Yang K, Yu X, Jian R, Zhang T, Wang D, Meng H, Zhao Y, Xia Y, Xu H, Yu G, Chen Z. Self-Assembly of Selenium-Doped Carbon Quantum Dots as Antioxidants for Hepatic Ischemia-Reperfusion Injury Management. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2300217. [PMID: 37021733 DOI: 10.1002/smll.202300217] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 03/01/2023] [Indexed: 06/19/2023]
Abstract
Hepatic ischemia-reperfusion injury (HIRI) is a critical complication after liver surgery that negatively affects surgical outcomes of patients with the end-stage liver-related disease. Reactive oxygen species (ROS) are responsible for the development of ischemia-reperfusion injury and eventually lead to hepatic dysfunction. Selenium-doped carbon quantum dots (Se-CQDs) with an excellent redox-responsive property can effectively scavenge ROS and protect cells from oxidation. However, the accumulation of Se-CQDs in the liver is extremely low. To address this concern, the fabrication of Se-CQDs-lecithin nanoparticles (Se-LEC NPs) is developed through self-assembly mainly driven by the noncovalent interactions. Lecithin acting as the self-assembly building block also makes a pivotal contribution to the therapeutic performance of Se-LEC NPs due to its capability to react with ROS. The fabricated Se-LEC NPs largely accumulate in the liver, effectively scavenge ROS and inhibit the release of inflammatory cytokines, thus exerting beneficial therapeutic efficacy on HIRI. This work may open a new avenue for the design of self-assembled Se-CQDs NPs for the treatment of HIRI and other ROS-related diseases.
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Affiliation(s)
- Bing Bai
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, P. R. China
| | - Shaolong Qi
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, P. R. China
| | - Kai Yang
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, P. R. China
| | - Xinyang Yu
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, P. R. China
| | - Ruijun Jian
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Tianfang Zhang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Daming Wang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Hongbo Meng
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Yifan Zhao
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Yu Xia
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Huaping Xu
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
| | - Guocan Yu
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, P. R. China
| | - Zuobing Chen
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China
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6
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Costa C, De Jesus J, Nikula C, Murta T, Grime GW, Palitsin V, Dartois V, Firat K, Webb R, Bunch J, Bailey MJ. A Multimodal Desorption Electrospray Ionisation Workflow Enabling Visualisation of Lipids and Biologically Relevant Elements in a Single Tissue Section. Metabolites 2023; 13:metabo13020262. [PMID: 36837881 PMCID: PMC9964958 DOI: 10.3390/metabo13020262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/07/2023] [Accepted: 02/09/2023] [Indexed: 02/15/2023] Open
Abstract
The colocation of elemental species with host biomolecules such as lipids and metabolites may shed new light on the dysregulation of metabolic pathways and how these affect disease pathogeneses. Alkali metals have been the subject of extensive research, are implicated in various neurodegenerative and infectious diseases and are known to disrupt lipid metabolism. Desorption electrospray ionisation (DESI) is a widely used approach for molecular imaging, but previous work has shown that DESI delocalises ions such as potassium (K) and chlorine (Cl), precluding the subsequent elemental analysis of the same section of tissue. The solvent typically used for the DESI electrospray is a combination of methanol and water. Here we show that a novel solvent system, (50:50 (%v/v) MeOH:EtOH) does not delocalise elemental species and thus enables elemental mapping to be performed on the same tissue section post-DESI. Benchmarking the MeOH:EtOH electrospray solvent against the widely used MeOH:H2O electrospray solvent revealed that the MeOH:EtOH solvent yielded increased signal-to-noise ratios for selected lipids. The developed multimodal imaging workflow was applied to a lung tissue section containing a tuberculosis granuloma, showcasing its applicability to elementally rich samples displaying defined structural information.
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Affiliation(s)
- Catia Costa
- University of Surrey Ion Beam Centre, Guildford GU2 7XH, UK
| | - Janella De Jesus
- Department of Chemistry, University of Surrey, Guildford GU2 7XH, UK
- The National Physical Laboratory, Teddington TW11 0LW, UK
| | - Chelsea Nikula
- The National Physical Laboratory, Teddington TW11 0LW, UK
| | - Teresa Murta
- The National Physical Laboratory, Teddington TW11 0LW, UK
| | | | | | - Véronique Dartois
- Center for Discovery and Innovation, Hackensack Meridian School of Medicine, Nutley, NJ 07110, USA
| | - Kaya Firat
- Center for Discovery and Innovation, Hackensack Meridian School of Medicine, Nutley, NJ 07110, USA
| | - Roger Webb
- University of Surrey Ion Beam Centre, Guildford GU2 7XH, UK
| | | | - Melanie J. Bailey
- University of Surrey Ion Beam Centre, Guildford GU2 7XH, UK
- Department of Chemistry, University of Surrey, Guildford GU2 7XH, UK
- Correspondence: ; Tel.: +44-(0)1483682593
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7
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Kusumoto I, Kato S, Nakagawa K. Analysis of docosahexaenoic acid hydroperoxide isomers in mackerel using liquid chromatography-mass spectrometry. Sci Rep 2023; 13:1325. [PMID: 36693996 PMCID: PMC9873796 DOI: 10.1038/s41598-023-28514-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 01/19/2023] [Indexed: 01/25/2023] Open
Abstract
Docosahexaenoic acid (DHA) is mostly esterified in food and is easily oxidized by exposure to heat or light. Hydroperoxide positions of DHA mono-hydroperoxide (DHA;OOH) provide information on oxidation mechanisms (e.g., radical- or singlet oxygen oxidation), yet direct identification of esterified DHA;OOH isomers has not been achieved. We previously accomplished the direct analysis of free DHA;OOH isomers with liquid chromatography-mass spectrometry (LC-MS/MS). In this study, we developed an LC-MS/MS method for direct analysis of esterified DHA;OOH based on our previous study. The developed method was capable of distinguishing esterified DHA;OOH isomers in raw- and oxidized mackerel. The result suggested that radical oxidation of esterified DHA can progress even in refrigeration. Different transitions were observed depending on the oxidation mechanism and lipid class. The analytical method and insights obtained in this study would be valuable to further understand and effectively prevent DHA oxidation in food products.
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Affiliation(s)
- Ibuki Kusumoto
- Food Function Analysis Laboratory, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8572, Japan
| | - Shunji Kato
- Food Function Analysis Laboratory, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8572, Japan
| | - Kiyotaka Nakagawa
- Food Function Analysis Laboratory, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi, 980-8572, Japan.
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8
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Miyazaki R, Kato S, Otoki Y, Rahmania H, Sakaino M, Takeuchi S, Sato T, Imagi J, Nakagawa K. Elucidation of decomposition pathways of linoleic acid hydroperoxide isomers by GC-MS and LC-MS/MS. Biosci Biotechnol Biochem 2023; 87:179-190. [PMID: 36416801 DOI: 10.1093/bbb/zbac189] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 11/10/2022] [Indexed: 11/24/2022]
Abstract
Food lipid oxidation provides various volatile compounds involved in food flavor via the decomposition of lipid hydroperoxide (LOOH). This study predicted the pathways which can coherently explain LOOH decomposition focusing on hydroperoxy octadecadienoic acid (HpODE) isomers (9-EZ-HpODE, 9-EE-HpODE, 10-HpODE, 12-HpODE, 13-ZE-HpODE, and 13-EE-HpODE) which are the major LOOH contained in edible oils. Each standard was first prepared and thermally decomposed. Generated volatile and non-volatile compounds were analyzed by GC-MS and LC-MS/MS. The results showed that all HpODE decomposition was based on the factors such as favorable scission, radical delocalization, and cyclization. Interestingly, the formation of 8-HpODE and 14-HpODE were demonstrated during HpODE decomposition. The insights obtained in this study would explain the generation pathways of flavor involved in food quality.
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Affiliation(s)
- Ruriko Miyazaki
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan
| | - Shunji Kato
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan.,J-Oil Mills Innovation Laboratory, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan
| | - Yurika Otoki
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan
| | - Halida Rahmania
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan
| | - Masayoshi Sakaino
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan.,Food Design Center, J-OIL MILLS, INC., Yokohama, Kanagawa, Japan
| | - Shigeo Takeuchi
- Food Design Center, J-OIL MILLS, INC., Yokohama, Kanagawa, Japan
| | - Toshiro Sato
- J-Oil Mills Innovation Laboratory, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan.,Food Design Center, J-OIL MILLS, INC., Yokohama, Kanagawa, Japan
| | - Jun Imagi
- Food Design Center, J-OIL MILLS, INC., Yokohama, Kanagawa, Japan
| | - Kiyotaka Nakagawa
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan.,J-Oil Mills Innovation Laboratory, Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan
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9
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Li J, Hu X, Yu C, Zeng K, Wang S, Tu Z. Rapid screening of oxidized metabolites of unsaturated fatty acids in edible oil by NanoESI-MS/MS. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2023.114468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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10
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From targeted methods to metabolomics based strategies to screen for growth promoters misuse in horseracing and livestock: A review. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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11
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Takahashi T, Kato S, Ito J, Shimizu N, Parida IS, Itaya-Takahashi M, Sakaino M, Imagi J, Yoshinaga K, Yoshinaga-Kiriake A, Gotoh N, Ikeda I, Nakagawa K. Dietary triacylglycerol hydroperoxide is not absorbed, yet it induces the formation of other triacylglycerol hydroperoxides in the gastrointestinal tract. Redox Biol 2022; 57:102471. [PMID: 36137475 PMCID: PMC9493066 DOI: 10.1016/j.redox.2022.102471] [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: 08/30/2022] [Accepted: 09/07/2022] [Indexed: 11/07/2022] Open
Abstract
The in vivo presence of triacylglycerol hydroperoxide (TGOOH), a primary oxidation product of triacylglycerol (TG), has been speculated to be involved in various diseases. Thus, considerable attention has been paid to whether dietary TGOOH is absorbed from the intestine. In this study, we performed the lymph duct-cannulation study in rats and analyzed the level of TGOOH in lymph following administration of a TG emulsion containing TGOOH. As we successfully detected TGOOH from the lymph, we hypothesized that this might be originated from the intestinal absorption of dietary TGOOH [hypothesis I] and/or the in situ formation of TGOOH [hypothesis II]. To determine the validity of these hypotheses, we then performed another cannulation study using a TG emulsion containing a deuterium-labeled TGOOH (D2-TGOOH) that is traceable in vivo. After administration of this emulsion to rats, we clearly detected unlabeled TGOOH instead of D2-TGOOH from the lymph, indicating that TGOOH is not absorbed from the intestine but is more likely to be produced in situ. By discriminating the isomeric structures of TGOOH present in lymph, we predicted the mechanism by which the intake of dietary TGOOH triggers oxidative stress (e.g., via generation of singlet oxygen) and induces in situ formation of TGOOH. The results of this study hereby provide a foothold to better understand the physiological significance of TGOOH on human health.
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Affiliation(s)
- Takumi Takahashi
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan
| | - Shunji Kato
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan; J-Oil Mills Innovation Laboratory, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan
| | - Junya Ito
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan
| | - Naoki Shimizu
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan
| | - Isabella Supardi Parida
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan
| | - Mayuko Itaya-Takahashi
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan
| | - Masayoshi Sakaino
- J-Oil Mills Innovation Laboratory, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan
| | - Jun Imagi
- J-Oil Mills Innovation Laboratory, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan
| | - Kazuaki Yoshinaga
- Faculty of Food and Agricultural Sciences, Fukushima University, Fukushima, Japan
| | - Aya Yoshinaga-Kiriake
- Department of Life Science, Graduate School of Engineering Science, Akita University, Akita, Japan
| | - Naohiro Gotoh
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Ikuo Ikeda
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan
| | - Kiyotaka Nakagawa
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan; J-Oil Mills Innovation Laboratory, Graduate School of Agricultural Science, Tohoku University, Miyagi, Japan.
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Takahashi H, Kato S, Shimizu N, Otoki Y, Ito J, Sakaino M, Sano T, Imagi J, Nakagawa K. Elucidation of Olive Oil Oxidation Mechanisms by Analysis of Triacylglycerol Hydroperoxide Isomers Using LC-MS/MS. Molecules 2022; 27:molecules27165282. [PMID: 36014520 PMCID: PMC9415923 DOI: 10.3390/molecules27165282] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/08/2022] [Accepted: 08/15/2022] [Indexed: 11/21/2022] Open
Abstract
Despite the importance of the insight about the oxidation mechanisms (i.e., radical and singlet oxygen (1O2) oxidation) in extra virgin olive oil (EVOO), the elucidation has been difficult due to its various triacylglycerol molecular species and complex matrix. This study tried to evaluate the mechanisms responsible for EVOO oxidation in our daily use by quantitative determination of triacylglycerol hydroperoxide (TGOOH) isomers using LC-MS/MS. The standards of dioleoyl-(hydroperoxy octadecadienoyl)-triacylglycerol and dioleoyl-(hydroperoxy octadecamonoenoyl)-triacylglycerol, which are the predominant TGOOHs contained in EVOO, were prepared. Subsequently, fresh, thermal-, and photo-oxidized EVOO were analyzed. The obtained results mostly agreed with the previously reported characteristics of the radical and 1O2 oxidation of linoleic acid and oleic acid. This suggests that the methods described in this paper should be valuable in understanding how different factors that determine the quality of EVOO (e.g., olive species, cultivation area, cultivation timing, and extraction methods) contribute to its oxidative stability.
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Affiliation(s)
- Hayato Takahashi
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Miyagi, Japan
| | - Shunji Kato
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Miyagi, Japan
- J-Oil Mills Innovation Laboratory, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Miyagi, Japan
| | - Naoki Shimizu
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Miyagi, Japan
| | - Yurika Otoki
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Miyagi, Japan
| | - Junya Ito
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Miyagi, Japan
| | - Masayoshi Sakaino
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Miyagi, Japan
- Food Design Center, J-OIL MILLS, Inc., Yokohama 230-0053, Kanagawa, Japan
| | - Takashi Sano
- Food Design Center, J-OIL MILLS, Inc., Yokohama 230-0053, Kanagawa, Japan
| | - Jun Imagi
- J-Oil Mills Innovation Laboratory, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Miyagi, Japan
- Food Design Center, J-OIL MILLS, Inc., Yokohama 230-0053, Kanagawa, Japan
| | - Kiyotaka Nakagawa
- Laboratory of Food Function Analysis, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Miyagi, Japan
- J-Oil Mills Innovation Laboratory, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Miyagi, Japan
- Correspondence: ; Fax: +81-22-757-4417
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Kontogianni VG, Gerothanassis IP. Analytical and Structural Tools of Lipid Hydroperoxides: Present State and Future Perspectives. Molecules 2022; 27:2139. [PMID: 35408537 PMCID: PMC9000705 DOI: 10.3390/molecules27072139] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/20/2022] [Accepted: 03/22/2022] [Indexed: 11/17/2022] Open
Abstract
Mono- and polyunsaturated lipids are particularly susceptible to peroxidation, which results in the formation of lipid hydroperoxides (LOOHs) as primary nonradical-reaction products. LOOHs may undergo degradation to various products that have been implicated in vital biological reactions, and thus in the pathogenesis of various diseases. The structure elucidation and qualitative and quantitative analysis of lipid hydroperoxides are therefore of great importance. The objectives of the present review are to provide a critical analysis of various methods that have been widely applied, and more specifically on volumetric methods, applications of UV-visible, infrared, Raman/surface-enhanced Raman, fluorescence and chemiluminescence spectroscopies, chromatographic methods, hyphenated MS techniques, NMR and chromatographic methods, NMR spectroscopy in mixture analysis, structural investigations based on quantum chemical calculations of NMR parameters, applications in living cells, and metabolomics. Emphasis will be given to analytical and structural methods that can contribute significantly to the molecular basis of the chemical process involved in the formation of lipid hydroperoxides without the need for the isolation of the individual components. Furthermore, future developments in the field will be discussed.
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Affiliation(s)
- Vassiliki G. Kontogianni
- Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, GR-45110 Ioannina, Greece
| | - Ioannis P. Gerothanassis
- Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, GR-45110 Ioannina, Greece
- International Center for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi 75270, Pakistan
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Investigation of Lipoproteins Oxidation Mechanisms by the Analysis of Lipid Hydroperoxide Isomers. Antioxidants (Basel) 2021; 10:antiox10101598. [PMID: 34679733 PMCID: PMC8533262 DOI: 10.3390/antiox10101598] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/04/2021] [Accepted: 10/05/2021] [Indexed: 11/16/2022] Open
Abstract
The continuous formation and accumulation of oxidized lipids (e.g., lipid hydroperoxides (LOOH)) which are present even in plasma lipoproteins of healthy subjects, are ultimately considered to be linked to various diseases. Because lipid peroxidation mechanisms (i.e., radical, singlet oxygen, and enzymatic oxidation) can be suppressed by certain proper antioxidants (e.g., radical oxidation is efficiently suppressed by tocopherol), in order to suppress lipid peroxidation successfully, the determination of the peroxidation mechanism involved in the formation of LOOH is deemed crucial. In this study, to determine the peroxidation mechanisms of plasma lipoproteins of healthy subjects, we develop novel analytical methods using liquid chromatography-tandem mass spectrometry (LC-MS/MS) for 1-palmitoyl-2-linoleoyl-sn-glycero-3-phosphocholine hydroperoxide (PC 16:0/18:2;OOH) and cholesteryl linoleate hydroperoxide (CE 18:2;OOH) isomers. Using the newly developed methods, these PC 16:0/18:2;OOH and CE 18:2;OOH isomers in the low-density lipoprotein (LDL) and high-density lipoprotein (HDL) of healthy subjects are analyzed. Consequently, it is found that predominant PC 16:0/18:2;OOH and CE 18:2;OOH isomers in LDL and HDL are PC 16:0/18:2;9OOH, PC 16:0/18:2;13OOH, CE 18:2;9OOH, and CE 18:2;13OOH, which means that PC and CE in LDL and HDL are mainly oxidized by radical and/or enzymatic oxidation. In conclusion, the insights about the oxidation mechanisms shown in this study would be useful for a more effective suppression of oxidative stress in the human organism.
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