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Rodríguez-deLeón E, Bah M, Báez JE, Hernández-Sierra MT, Moreno KJ, Nuñez-Vilchis A, Bonilla-Cruz J, Shea KJ. Sustainable xanthophylls-containing poly(ε-caprolactone)s: synthesis, characterization, and use in green lubricants. RSC Adv 2022; 12:30851-30859. [PMID: 36349044 PMCID: PMC9609694 DOI: 10.1039/d2ra04502h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 10/20/2022] [Indexed: 11/07/2022] Open
Abstract
Three xanthophylls [(3R,3'R,6'R)-lutein (1), (3R,3'S)-zeaxanthin (2), and (3R,3'S)-astaxanthin (3)] were used for the first time as initiators in the ring-opening polymerization (ROP) of ε-caprolactone (CL) catalyzed by tin(ii) 2-ethylhexanoate [Sn(Oct)2] for the synthesis of novel sustainable xanthophyll-containing poly(ε-caprolactone)s (xanthophylls-PCL). The obtained polyesters were characterized by 1H and 13C NMR, FT-IR, DSC, SEC, and MALDI-TOF MS, and their use as additives in green lubricants was evaluated using a sliding friction test under boundary conditions. Xanthophylls-PCL were obtained with good conversions and with molecular weights determined by SEC to be between 2500 and 10 500 Da. The thermal properties of xanthophyll-polyesters showed a crystalline domain, detected by DSC. Lastly, the green lubricant activity of these polymers was evaluated and the results showed that xanthophylls-PCL could be employed as additives for biodegradable lubricant applications since they have better tribological behavior than current additives, which demonstrates their potential as future commercial materials with interesting eco-friendly properties for diverse applications.
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Affiliation(s)
- Eloy Rodríguez-deLeón
- Posgrado en Ciencias Químico Biológicas, Faculty of Chemistry, Autonomous University of Queretaro (UAQ) Cerro de Las Campanas Querétaro 76010 Mexico
| | - Moustapha Bah
- Posgrado en Ciencias Químico Biológicas, Faculty of Chemistry, Autonomous University of Queretaro (UAQ) Cerro de Las Campanas Querétaro 76010 Mexico
| | - José E Báez
- Department of Chemistry, Division of Natural and Exact Sciences, University of Guanajuato (UG), Campus Guanajuato Noria Alta S/N Guanajuato 36050 Mexico
| | - María T Hernández-Sierra
- Department of Mechanical Engineering, National Technology Institute of Mexico at Celaya Celaya 38010 Guanajuato Mexico
| | - Karla J Moreno
- Department of Mechanical Engineering, National Technology Institute of Mexico at Celaya Celaya 38010 Guanajuato Mexico
| | - Alejandro Nuñez-Vilchis
- Posgrado en Ciencias Químico Biológicas, Faculty of Chemistry, Autonomous University of Queretaro (UAQ) Cerro de Las Campanas Querétaro 76010 Mexico
| | - José Bonilla-Cruz
- Centro de Investigación en Materiales Avanzados S.C. (CIMAV-Monterrey) Av. Alianza Norte 202, PIIT, Autopista Monterrey-Aeropuerto Km 10 Apodaca 66628 N.L. Mexico
| | - Kenneth J Shea
- Deparment of Chemistry, University of California, Irvine, (UCI) Irvine 92697-2025 California USA
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Astaxanthin improved the storage stability of docosahexaenoic acid-enriched eggs by inhibiting oxidation of non-esterified poly-unsaturated fatty acids. Food Chem 2022; 381:132256. [PMID: 35123229 DOI: 10.1016/j.foodchem.2022.132256] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 01/24/2022] [Accepted: 01/24/2022] [Indexed: 01/25/2023]
Abstract
This study assessed the potential and mechanism of action of astaxanthin, to improve the stability of docosahexaenoic acid (22:6(n-3); DHA) enriched egg products, during storage at 4 °C. The reduction in DHA content after 42 days of storage in astaxanthin-DHA eggs (from hens fed supplemental astaxanthin and DHA) was <3%, whereas the reduction in regular-DHA eggs (hens fed DHA only) was over 17%. Astaxanthin also decreased production of oxidation products including 4-hydroxy-2-hexenal, 4-hydroxy-2-nonenal and malondialdehyde in eggs during storage, thus markedly improving the oxidative stability of DHA-enriched eggs. The yolk lipidomic profile showed higher intensities for most DHA-containing lipids, especially DHA-phosphatidylcholine, DHA-phosphatidylethanolamine and DHA-non-esterified fatty acid, compared with regular-DHA eggs. Astaxanthin acts primarily by suppressing oxidation of DHA-non-esterified fatty acid, which minimizes the degradation of DHA and appears to be the primary protection mode of yolk DHA during storage.
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Allakhverdiev ES, Khabatova VV, Kossalbayev BD, Zadneprovskaya EV, Rodnenkov OV, Martynyuk TV, Maksimov GV, Alwasel S, Tomo T, Allakhverdiev SI. Raman Spectroscopy and Its Modifications Applied to Biological and Medical Research. Cells 2022; 11:cells11030386. [PMID: 35159196 PMCID: PMC8834270 DOI: 10.3390/cells11030386] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/17/2022] [Accepted: 01/22/2022] [Indexed: 02/06/2023] Open
Abstract
Nowadays, there is an interest in biomedical and nanobiotechnological studies, such as studies on carotenoids as antioxidants and studies on molecular markers for cardiovascular, endocrine, and oncological diseases. Moreover, interest in industrial production of microalgal biomass for biofuels and bioproducts has stimulated studies on microalgal physiology and mechanisms of synthesis and accumulation of valuable biomolecules in algal cells. Biomolecules such as neutral lipids and carotenoids are being actively explored by the biotechnology community. Raman spectroscopy (RS) has become an important tool for researchers to understand biological processes at the cellular level in medicine and biotechnology. This review provides a brief analysis of existing studies on the application of RS for investigation of biological, medical, analytical, photosynthetic, and algal research, particularly to understand how the technique can be used for lipids, carotenoids, and cellular research. First, the review article shows the main applications of the modified Raman spectroscopy in medicine and biotechnology. Research works in the field of medicine and biotechnology are analysed in terms of showing the common connections of some studies as caretenoids and lipids. Second, this article summarises some of the recent advances in Raman microspectroscopy applications in areas related to microalgal detection. Strategies based on Raman spectroscopy provide potential for biochemical-composition analysis and imaging of living microalgal cells, in situ and in vivo. Finally, current approaches used in the papers presented show the advantages, perspectives, and other essential specifics of the method applied to plants and other species/objects.
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Affiliation(s)
- Elvin S. Allakhverdiev
- Russian National Medical Research Center of Cardiology, 3rd Cherepkovskaya St., 15A, 121552 Moscow, Russia; (E.S.A.); (O.V.R.); (T.V.M.)
- Biology Faculty, Lomonosov Moscow State University, Leninskie Gory 1/12, 119991 Moscow, Russia;
| | - Venera V. Khabatova
- K.A. Timiryazev Institute of Plant Physiology, RAS, Botanicheskaya str., 35, 127276 Moscow, Russia; (V.V.K.); (E.V.Z.)
| | - Bekzhan D. Kossalbayev
- Geology and Oil-gas Business Institute Named after K. Turyssov, Satbayev University, Satpaeva, 22, Almaty 050043, Kazakhstan;
- Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Avenue 71, Almaty 050038, Kazakhstan
| | - Elena V. Zadneprovskaya
- K.A. Timiryazev Institute of Plant Physiology, RAS, Botanicheskaya str., 35, 127276 Moscow, Russia; (V.V.K.); (E.V.Z.)
| | - Oleg V. Rodnenkov
- Russian National Medical Research Center of Cardiology, 3rd Cherepkovskaya St., 15A, 121552 Moscow, Russia; (E.S.A.); (O.V.R.); (T.V.M.)
| | - Tamila V. Martynyuk
- Russian National Medical Research Center of Cardiology, 3rd Cherepkovskaya St., 15A, 121552 Moscow, Russia; (E.S.A.); (O.V.R.); (T.V.M.)
| | - Georgy V. Maksimov
- Biology Faculty, Lomonosov Moscow State University, Leninskie Gory 1/12, 119991 Moscow, Russia;
- Department of Physical Materials Science, Technological University “MISiS”, Leninskiy Prospekt 4, Office 626, 119049 Moscow, Russia
| | - Saleh Alwasel
- Zoology Department, College of Science, King Saud University, Riyadh 12372, Saudi Arabia;
| | - Tatsuya Tomo
- Department of Biology, Faculty of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan;
| | - Suleyman I. Allakhverdiev
- K.A. Timiryazev Institute of Plant Physiology, RAS, Botanicheskaya str., 35, 127276 Moscow, Russia; (V.V.K.); (E.V.Z.)
- Zoology Department, College of Science, King Saud University, Riyadh 12372, Saudi Arabia;
- Institute of Basic Biological Problems, RAS, Pushchino, 142290 Moscow, Russia
- Correspondence:
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Zhou Q, Wei Z. Food-grade systems for delivery of DHA and EPA: Opportunities, fabrication, characterization and future perspectives. Crit Rev Food Sci Nutr 2021; 63:2348-2365. [PMID: 34590971 DOI: 10.1080/10408398.2021.1974337] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Docosahexaenoic acid (C22: 6n-3, DHA) and eicosapentaenoic acid (C20: 5n-3, EPA) have been shown to provide the opportunity to inhibit onset and escalation of chronic diseases. Nevertheless, their undesirable characteristics including poor water solubility, oxidation sensitivity, high melting point and unpleasant sensory attributes hinder their application in the food industry. In recent years, utilizing food-grade delivery systems to deliver DHA/EPA and improve their biological efficacy has emerged as an attractive approach with fascinating prospects. This review focuses on introducing potential delivery systems for DHA/EPA, including microemulsions, nanoemulsions, Pickering emulsions, hydrogels, lipid particles, oleogels, liposomes, microcapsules and micelles. The opportunities, fabrication and characterization of these delivery systems loaded with DHA/EPA are highlighted. Besides, food sources of DHA/EPA, their benefits to the human body and a series of challenges for effective utilization of DHA/EPA are discussed. Promising future research trends of food-grade systems for delivery of DHA/EPA are also presented. Conducting in vivo experiments, applying DHA/EPA-loaded delivery systems into real food, improving the applicability of such delivery systems in industrial production, co-encapsulating DHA/EPA with other substances, seeking measures to improve the performance of existing delivery systems and developing novel food-grade delivery systems inspired by other fields are various future considerations.
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Affiliation(s)
- Qi Zhou
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Zihao Wei
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
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Honda M, Kawashima Y, Hirasawa K, Uemura T, Sun J, Hayashi Y. Astaxanthin Z-isomer-rich diets enhance egg yolk pigmentation in laying hens compared to that in all-E-isomer-rich diets. Anim Sci J 2021; 92:e13512. [PMID: 33522058 DOI: 10.1111/asj.13512] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 12/14/2020] [Accepted: 01/06/2021] [Indexed: 11/28/2022]
Abstract
The effects of feeding diets containing astaxanthin with different Z-isomer ratios to laying hens on egg qualities, such as astaxanthin concentration in egg yolk and yolk color, were investigated. As the astaxanthin source, a natural microorganism Paracoccus carotinifaciens was used. Astaxanthin with different Z-isomer ratios was prepared by thermal treatment with different conditions and then added to the basal diet at a final astaxanthin concentration of 8 mg/kg. We found that, as the Z-isomer ratios of astaxanthin in the diet increased, the astaxanthin concentration in egg yolk and the yolk color fan score also increased significantly. Importantly, feeding a 50.6% Z-isomer ratio diet increased astaxanthin concentration in egg yolk by approximately fivefold and the color fan score by approximately 2 compared to that in hens fed an all-E-isomer-rich diet. Moreover, we showed that feeding Z-isomer-rich astaxanthin to laying hens increased plasma astaxanthin concentration by more than five times in comparison to that in hens fed an all-E-isomer-rich diet. These results indicate that Z-isomers of astaxanthin have higher bioavailability than that of the all-E-isomer and thus they exhibit greater egg yolk-accumulation efficiency.
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Affiliation(s)
- Masaki Honda
- Faculty of Science & Technology, Meijo University, Nagoya, Japan
| | - Yuki Kawashima
- Biotechnology R&D Group, ENEOS Corporation, Yokohama, Japan
| | | | - Takeshi Uemura
- Biotechnology R&D Group, ENEOS Corporation, Yokohama, Japan
| | - Jinkun Sun
- Experimental Farm, Faculty of Agriculture, Meijo University, Kasugai, Japan
| | - Yoshiaki Hayashi
- Experimental Farm, Faculty of Agriculture, Meijo University, Kasugai, Japan
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Shrimp Oil Extracted from Shrimp Processing By-Product Is a Rich Source of Omega-3 Fatty Acids and Astaxanthin-Esters, and Reveals Potential Anti-Adipogenic Effects in 3T3-L1 Adipocytes. Mar Drugs 2021; 19:md19050259. [PMID: 33946320 PMCID: PMC8146821 DOI: 10.3390/md19050259] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 04/27/2021] [Accepted: 04/28/2021] [Indexed: 12/20/2022] Open
Abstract
The province of Newfoundland and Labrador, Canada, generates tons of shrimp processing by-product every year. Shrimp contains omega (n)-3 polyunsaturated fatty acids (PUFA) and astaxanthin (Astx), a potent antioxidant that exists in either free or esterified form (Astx-E). In this study, shrimp oil (SO) was extracted from the shrimp processing by-product using the Soxhlet method (hexane:acetone 2:3). The extracted SO was rich in phospholipids, n-3 PUFA, and Astx-E. The 3T3-L1 preadipocytes were differentiated to mature adipocytes in the presence or absence of various treatments for 8 days. The effects of SO were then investigated on fat accumulation, and the mRNA expression of genes involved in adipogenesis and lipogenesis in 3T3-L1 cells. The effects of fish oil (FO), in combination with Astx-E, on fat accumulation, and the mRNA expression of genes involved in adipogenesis and lipogenesis were also investigated. The SO decreased fat accumulation, compared to untreated cells, which coincided with lower mRNA expression of adipogenic and lipogenic genes. However, FO and FO + Astx-E increased fat accumulation, along with increased mRNA expression of adipogenic and lipogenic genes, and glucose transporter type 4 (Glut-4), compared to untreated cells. These findings have demonstrated that the SO is a rich source of n-3 PUFA and Astx-E, and has the potential to elicit anti-adipogenic effects. Moreover, the SO and FO appear to regulate adipogenesis and lipogenesis via independent pathways in 3T3-L1 cells.
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Qiao X, Yang L, Gu J, Cao Y, Li Z, Xu J, Xue C. Kinetic interactions of nanocomplexes between astaxanthin esters with different molecular structures and β-lactoglobulin. Food Chem 2020; 335:127633. [PMID: 32739813 DOI: 10.1016/j.foodchem.2020.127633] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 07/16/2020] [Accepted: 07/19/2020] [Indexed: 12/27/2022]
Abstract
The influence of different fatty acid carbon chains on the kinetic interactions of nanocomplexes between esterified astaxanthin (E-Asta) and β-lactoglobulin (β-Lg) were investigated by multi-spectroscopy and molecular modeling techniques. We synthesized ten different E-Asta bound to β-Lg and formed nanocomplexes (< 300 nm). Fluorescence spectroscopy showed moderate affinities (binding constants Ka = 103-104 M-1). Docosahexaenoic acid astaxanthin monoester (Asta-C22:6) had the strongest binding affinity towards β-Lg (Ka = 3.77 × 104 M-1). The fluorescence quenching of β-Lg upon binding of E-Asta displayed a static mechanism, with binding sites (n) equal to 1. Fourier transform infrared spectroscopy and ultraviolet-visible absorption spectroscopy revealed that E-Asta might enter the β-Lg hydrophobic cavity, leading to unfolding of the peptide chain skeleton. In summary, β-Lg and E-Asta can form stable nanocomplex emulsions to achieve an effective delivery process for E-Asta.
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Affiliation(s)
- Xing Qiao
- College of Food Science and Engineering, Ocean University of China, No. 5 Yushan Road, Qingdao 266003, China.
| | - Lu Yang
- College of Food Science and Engineering, Ocean University of China, No. 5 Yushan Road, Qingdao 266003, China.
| | - Jiayu Gu
- College of Food Science and Engineering, Ocean University of China, No. 5 Yushan Road, Qingdao 266003, China.
| | - Yunrui Cao
- College of Food Science and Engineering, Ocean University of China, No. 5 Yushan Road, Qingdao 266003, China.
| | - Zhaojie Li
- College of Food Science and Engineering, Ocean University of China, No. 5 Yushan Road, Qingdao 266003, China.
| | - Jie Xu
- College of Food Science and Engineering, Ocean University of China, No. 5 Yushan Road, Qingdao 266003, China.
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, No. 5 Yushan Road, Qingdao 266003, China; Qingdao National Laboratory for Marine Science and Technology, No. 1 Wenhai Road, Qingdao 266235, China.
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Guan L, Liu J, Yu H, Tian H, Wu G, Liu B, Dong P, Li J, Liang X. Water-dispersible astaxanthin-rich nanopowder: preparation, oral safety and antioxidant activity in vivo. Food Funct 2019; 10:1386-1397. [PMID: 30747932 DOI: 10.1039/c8fo01593g] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this research, astaxanthin-rich nanopowder was prepared by nanoencapsulation and freeze-drying techniques with enhanced bioavailability and antioxidant activities. The nanopowder showed a maximum solubility of 230 mg mL-1 with an astaxanthin content as high as 2.9%. Compared with free astaxanthin, the astaxanthin-loaded nanopowder exhibited a more efficient antioxidant effect: an oral dose of 0.9 mg per kg BW significantly reduced the malondialdehyde and protein carbonyl contents, and increased the glutathione content as well as the superoxide dismutase activities in alcohol-induced acute hepatic injured mice, and maintained these oxidative stress indicators at a normal level for a longer period when treated with nanoencapsulated-astaxanthin than free astaxanthin. Simulated gastrointestinal tract studies demonstrated that the nanopowder with pH and DNase I-dependent dissociation properties delivered astaxanthin efficiently to the small intestine. Astaxanthin-rich nanopowder with a dose as high as 2.4 mg per kg BW (equivalent to astaxanthin) showed no chronic toxicity to mice in terms of hematology and pathological histology, indicating its impressive biocompatibility for biomedical applications. Pharmacokinetics and relative bioavailability (207%) of the nanopowder further proved that DNA/chitosan nanocarriers significantly improved the delivery efficiency of astaxanthin. With enhanced bioavailability and antioxidant activities, this novel type of astaxanthin-loaded nanopowder is expected to find broad application in the food and drug industry.
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Affiliation(s)
- Lei Guan
- College of food Science and Engineering, Ocean University of China, Qingdao 266003, PR China.
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Arteni AA, LaFountain AM, Alexandre MTA, Fradot M, Mendes-Pinto MM, Sahel JA, Picaud S, Frank HA, Robert B, Pascal AA. Carotenoid composition and conformation in retinal oil droplets of the domestic chicken. PLoS One 2019; 14:e0217418. [PMID: 31150434 PMCID: PMC6544226 DOI: 10.1371/journal.pone.0217418] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 05/10/2019] [Indexed: 12/21/2022] Open
Abstract
Carotenoid-containing oil droplets in the avian retina act as cut-off filters to enhance colour discrimination. We report a confocal resonance Raman investigation of the oil droplets of the domestic chicken, Gallus gallus domesticus. We show that all carotenoids present are in a constrained conformation, implying a locus in specific lipid binding sites. In addition, we provide proof of a recent conclusion that all carotenoid-containing droplets contain a mixture of all carotenoids present, rather than only a subset of them-a conclusion that diverges from the previously-held view. Our results have implications for the mechanism(s) giving rise to these carotenoid mixtures in the differently-coloured droplets.
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Affiliation(s)
- Ana-Andreea Arteni
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Amy M. LaFountain
- Department of Chemistry, University of Connecticut, Storrs, Connecticut, United States of America
| | - Maxime T. A. Alexandre
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Mathias Fradot
- Sorbonne University, INSERM, CNRS, Institut de la Vision, Paris, France
| | - Maria M. Mendes-Pinto
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Saclay, Gif-sur-Yvette, France
| | - José-Alain Sahel
- Sorbonne University, INSERM, CNRS, Institut de la Vision, Paris, France
| | - Serge Picaud
- Sorbonne University, INSERM, CNRS, Institut de la Vision, Paris, France
| | - Harry A. Frank
- Department of Chemistry, University of Connecticut, Storrs, Connecticut, United States of America
| | - Bruno Robert
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Andrew A. Pascal
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Saclay, Gif-sur-Yvette, France
- * E-mail:
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Sakayanathan P, Loganathan C, Iruthayaraj A, Periyasamy P, Poomani K, Periasamy V, Thayumanavan P. Biological interaction of newly synthesized astaxanthin-s-allyl cysteine biconjugate with Saccharomyces cerevisiae and mammalian α-glucosidase: In vitro kinetics and in silico docking analysis. Int J Biol Macromol 2018; 118:252-262. [DOI: 10.1016/j.ijbiomac.2018.06.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 06/04/2018] [Accepted: 06/06/2018] [Indexed: 01/12/2023]
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11
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Nair S, Gagnon J, Pelletier C, Tchoukanova N, Zhang J, Ewart HS, Ewart KV, Jiao G, Wang Y. Shrimp oil extracted from the shrimp processing waste reduces the development of insulin resistance and metabolic phenotypes in diet-induced obese rats. Appl Physiol Nutr Metab 2017; 42:841-849. [PMID: 28363036 DOI: 10.1139/apnm-2016-0644] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Diet-induced obesity, insulin resistance, impaired glucose tolerance, chronic inflammation, and oxidative stress represent the main features of type 2 diabetes mellitus. The present study was conducted to examine the efficacy and mechanisms of shrimp oil on glucose homeostasis in obese rats. Male CD rats fed a high-fat diet (52 kcal% fat) and 20% fructose drinking water were divided into 4 groups and treated with the dietary replacement of 0%, 10%, 15%, or 20% of lard with shrimp oil for 10 weeks. Age-matched rats fed a low-fat diet (10 kcal% fat) were used as the normal control. Rats on the high-fat diet showed impaired (p < 0.05) glucose tolerance and insulin resistance compared with rats fed the low-fat diet. Shrimp oil improved (p < 0.05) oral glucose tolerance, insulin response, and homeostatic model assessment-estimated insulin resistance index; decreased serum insulin, leptin, hemoglobin A1c, and free fatty acids; and increased adiponectin. Shrimp oil also increased (p < 0.05) antioxidant capacity and reduced oxidative stress and chronic inflammation. The results demonstrated that shrimp oil dose-dependently improved glycemic control in obese rats through multiple mechanisms.
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Affiliation(s)
- Sandhya Nair
- a Coastal Zones Research Institute Inc. (CZRI), Shippagan, NB E8S 1J2, Canada.,b Natural Health Products Program, Aquatic and Crop Resource Development, National Research Council of Canada, 550 University Avenue, Charlottetown, PE C1A 4P3, Canada
| | - Jacques Gagnon
- a Coastal Zones Research Institute Inc. (CZRI), Shippagan, NB E8S 1J2, Canada
| | - Claude Pelletier
- a Coastal Zones Research Institute Inc. (CZRI), Shippagan, NB E8S 1J2, Canada
| | - Nadia Tchoukanova
- a Coastal Zones Research Institute Inc. (CZRI), Shippagan, NB E8S 1J2, Canada
| | - Junzeng Zhang
- c Natural Health Products Program, Aquatic and Crop Resource Development, National Research Council of Canada, 1411 Oxford Street, Halifax, NS B3H 3Y8, Canada
| | - H Stephen Ewart
- d Novaceutics Consulting, 6501 Oak St, Halifax, NS B3L 1H5, Canada
| | - K Vanya Ewart
- e Department of Biochemistry and Molecular Biology, Dalhousie University, 5850 College Street, Halifax, NS B3H 4R2, Canada
| | - Guangling Jiao
- a Coastal Zones Research Institute Inc. (CZRI), Shippagan, NB E8S 1J2, Canada.,c Natural Health Products Program, Aquatic and Crop Resource Development, National Research Council of Canada, 1411 Oxford Street, Halifax, NS B3H 3Y8, Canada
| | - Yanwen Wang
- b Natural Health Products Program, Aquatic and Crop Resource Development, National Research Council of Canada, 550 University Avenue, Charlottetown, PE C1A 4P3, Canada
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