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Nova P, Pimenta-Martins A, Maricato É, Nunes C, Abreu H, Coimbra MA, Freitas AC, Gomes AM. Chemical Composition and Antioxidant Potential of Five Algae Cultivated in Fully Controlled Closed Systems. Molecules 2023; 28:4588. [PMID: 37375143 DOI: 10.3390/molecules28124588] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/02/2023] [Accepted: 06/03/2023] [Indexed: 06/29/2023] Open
Abstract
In this study, the chemical composition and antioxidant profile of five edible macroalgae, Fucus vesiculosus, Palmaria palmata, Porphyra dioica, Ulva rigida, and Gracilaria gracilis, cultivated in fully controlled closed systems, were determined. Protein, carbohydrates, and fat contents ranged between 12.4% and 41.8%, 27.6% and 42.0%, and 0.1% and 3.4%, respectively. The tested seaweeds presented considerable amounts of Ca, Mg, K, Mn, and Fe, which reinforce their favorable nutritional profile. Regarding their polysaccharide composition, Gracilaria gracilis and Porphyra dioica were rich in sugars common to agar-producing red algae, and Fucus vesiculosus was composed mainly of uronic acids, mannose, and fucose, characteristic of alginate and fucoidans, whereas rhamnose and uronic acid, characteristic of ulvans, predominated in Ulva rigida. Comparatively, the brown F. vesiculosus clearly stood out, presenting a high polysaccharide content rich in fucoidans, and higher total phenolic content and antioxidant scavenging activity, determined by DPPH and ABTS. The remarkable potential of these marine macroalgae makes them excellent ingredients for a wide range of health, food, and industrial applications.
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Affiliation(s)
- Paulo Nova
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Ana Pimenta-Martins
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Élia Maricato
- LAQV/REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Cláudia Nunes
- CICECO-Aveiro Institute of Materials, Department of Materials and Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Helena Abreu
- AlgaPlus, Travessa Alexandre da Conceição s/n, 3830-196 Ílhavo, Portugal
| | - Manuel A Coimbra
- LAQV/REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana Cristina Freitas
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Ana Maria Gomes
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
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Lomartire S, Gonçalves AMM. Marine Macroalgae Polyphenols as Potential Neuroprotective Antioxidants in Neurodegenerative Diseases. Mar Drugs 2023; 21:md21050261. [PMID: 37233455 DOI: 10.3390/md21050261] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/14/2023] [Accepted: 04/18/2023] [Indexed: 05/27/2023] Open
Abstract
Polyphenols are beneficial natural compounds with antioxidant properties that have recently gain a lot of interest for their potential therapeutic applications. Marine polyphenols derived from marine macroalgae have been discovered to possess interesting antioxidant properties; therefore, these compounds can be included in several areas of drug development. Authors have considered the use of polyphenol extracts from seaweeds as neuroprotective antioxidants in neurodegenerative diseases. Marine polyphenols may slow the progression and limit neuronal cell loss due to their antioxidant activity; therefore, the use of these natural compounds would improve the quality of life for patients affected with neurodegenerative diseases. Marine polyphenols have distinct characteristics and potential. Among seaweeds, brown algae are the main sources of polyphenols, and present the highest antioxidant activity in comparison to red algae and green algae. The present paper collects the most recent in vitro and in vivo evidence from investigations regarding polyphenols extracted from seaweeds that exhibit neuroprotective antioxidant activity. Throughout the review, oxidative stress in neurodegeneration and the mechanism of action of marine polyphenol antioxidant activity are discussed to evidence the potential of algal polyphenols for future use in drug development to delay cell loss in patients with neurodegenerative disorders.
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Affiliation(s)
- Silvia Lomartire
- University of Coimbra, MARE-Marine and Environmental Sciences Centre/ARNET-Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Ana M M Gonçalves
- University of Coimbra, MARE-Marine and Environmental Sciences Centre/ARNET-Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
- Department of Biology and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
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Susano P, Silva J, Alves C, Martins A, Pinteus S, Gaspar H, Goettert MI, Pedrosa R. Saccorhiza polyschides-A Source of Natural Active Ingredients for Greener Skincare Formulations. Molecules 2022; 27:6496. [PMID: 36235032 PMCID: PMC9573298 DOI: 10.3390/molecules27196496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 09/12/2022] [Accepted: 09/22/2022] [Indexed: 11/17/2022] Open
Abstract
The growing knowledge about the harmful effects caused by some synthetic ingredients present in skincare products has led to an extensive search for natural bioactives. Thus, this study aimed to investigate the dermatological potential of five fractions (F1-F5), obtained by a sequential extraction procedure, from the brown seaweed Saccorhiza polyschides. The antioxidant (DPPH, FRAP, ORAC and TPC), anti-enzymatic (collagenase, elastase, hyaluronidase and tyrosinase), antimicrobial (Staphylococcus epidermidis, Cutibacterium acnes and Malassezia furfur), anti-inflammatory (nitric oxide, tumor necrosis factor-α, interleukin-6 and interleukin-10) and photoprotective (reactive oxygen species) properties of all fractions were evaluated. The ethyl acetate fraction (F3) displayed the highest antioxidant and photoprotective capacity, reducing ROS levels in UVA/B-exposed 3T3 fibroblasts, and the highest anti-enzymatic capacity against tyrosinase (IC50 value: 89.1 µg/mL). The solid water-insoluble fraction (F5) revealed the greatest antimicrobial activity against C. acnes growth (IC50 value: 12.4 µg/mL). Furthermore, all fractions demonstrated anti-inflammatory potential, reducing TNF-α and IL-6 levels in RAW 264.7 macrophages induced with lipopolysaccharides. Chemical analysis of the S. polyschides fractions by NMR revealed the presence of different classes of compounds, including lipids, polyphenols and sugars. The results highlight the potential of S. polyschides to be incorporated into new nature-based skincare products.
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Affiliation(s)
- Patrícia Susano
- MARE-Marine and Environmental Sciences Centre/ARNET-Aquatic Research Network, Polytechnic of Leiria, 2520-630 Peniche, Portugal
| | - Joana Silva
- MARE-Marine and Environmental Sciences Centre/ARNET-Aquatic Research Network, Polytechnic of Leiria, 2520-630 Peniche, Portugal
| | - Celso Alves
- MARE-Marine and Environmental Sciences Centre/ARNET-Aquatic Research Network, Polytechnic of Leiria, 2520-630 Peniche, Portugal
| | - Alice Martins
- MARE-Marine and Environmental Sciences Centre/ARNET-Aquatic Research Network, Polytechnic of Leiria, 2520-630 Peniche, Portugal
| | - Susete Pinteus
- MARE-Marine and Environmental Sciences Centre/ARNET-Aquatic Research Network, Polytechnic of Leiria, 2520-630 Peniche, Portugal
| | - Helena Gaspar
- MARE-Marine and Environmental Sciences Centre/ARNET-Aquatic Research Network, Polytechnic of Leiria, 2520-630 Peniche, Portugal
- BioISI-Biosystems and Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, 1749-016 Lisboa, Portugal
| | - Márcia Inês Goettert
- Cell Culture Laboratory, Postgraduate Programme in Biotechnology, University of Vale do Taquari-Univates, Lajeado 95914-014, RS, Brazil
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Eberhard Karls Universität Tübingen, D 72076 Tübingen, Germany
| | - Rui Pedrosa
- MARE/ARNET, ESTM, Polytechnic of Leiria, 2520-614 Peniche, Portugal
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Cabezudo I, Salazar MO, Ramallo IA, Furlan RLE. Effect-directed analysis in food by thin-layer chromatography assays. Food Chem 2022; 390:132937. [PMID: 35569399 DOI: 10.1016/j.foodchem.2022.132937] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 03/20/2022] [Accepted: 04/07/2022] [Indexed: 11/17/2022]
Abstract
Thin-layer chromatography (TLC) is widely used for food analysis and quality control. As an open chromatographic system, TLC is compatible with microbial-, biochemical-, and chemical-based derivatization methods. This compatibility makes it possible to run in situ bioassays directly on the plate to obtain activity-profile chromatograms, i.e., the effect-directed analysis of the sample. Many of the properties that can be currently measured using this assay format are related to either desired or undesired features for food related products. The TLC assays can detect compounds related to the stability of foods (antioxidant, antimicrobial, antibrowning, etc.), contaminants (antibiotics, pesticides, estrogenic compounds, etc.), and compounds that affect the absorption, metabolism or excretion of nutrients and metabolites or could improve the consumers health (enzyme inhibitors). In this article, different food related TLC-assays are reviewed. The different detection systems used, the way in which they are applied as well as selected examples are discussed.
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Affiliation(s)
- Ignacio Cabezudo
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Suipacha 531, 2000 Rosario, Argentina
| | - Mario O Salazar
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Suipacha 531, 2000 Rosario, Argentina
| | - I Ayelen Ramallo
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Suipacha 531, 2000 Rosario, Argentina
| | - Ricardo L E Furlan
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Suipacha 531, 2000 Rosario, Argentina.
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5
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Silva A, Cassani L, Grosso C, Garcia-Oliveira P, Morais SL, Echave J, Carpena M, Xiao J, Barroso MF, Simal-Gandara J, Prieto MA. Recent advances in biological properties of brown algae-derived compounds for nutraceutical applications. Crit Rev Food Sci Nutr 2022; 64:1283-1311. [PMID: 36037006 DOI: 10.1080/10408398.2022.2115004] [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] [Indexed: 11/03/2022]
Abstract
The increasing demand for nutraceuticals in the circular economy era has driven the research toward studying bioactive compounds from renewable underexploited resources. In this regard, the exploration of brown algae has shown significant growth and maintains a great promise for the future. One possible explanation could be that brown algae are rich sources of nutritional compounds (polyunsaturated fatty acids, fiber, proteins, minerals, and vitamins) and unique metabolic compounds (phlorotannins, fucoxanthin, fucoidan) with promising biological activities that make them good candidates for nutraceutical applications with increased value-added. In this review, a deep description of bioactive compounds from brown algae is presented. In addition, recent advances in biological activities ascribed to these compounds through in vitro and in vivo assays are pointed out. Delivery strategies to overcome some drawbacks related to the direct application of algae-derived compounds (low solubility, thermal instability, bioavailability, unpleasant organoleptic properties) are also reviewed. Finally, current commercial and legal statuses of ingredients from brown algae are presented, considering future therapeutical and market perspectives as nutraceuticals.
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Affiliation(s)
- Aurora Silva
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, Ourense Campus, Universidade de Vigo, Ourense, Spain
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Porto, Portugal
| | - Lucia Cassani
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, Ourense Campus, Universidade de Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | - Clara Grosso
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Porto, Portugal
| | - Paula Garcia-Oliveira
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, Ourense Campus, Universidade de Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | - Stephanie L Morais
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Porto, Portugal
| | - Javier Echave
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, Ourense Campus, Universidade de Vigo, Ourense, Spain
| | - Maria Carpena
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, Ourense Campus, Universidade de Vigo, Ourense, Spain
| | - Jianbo Xiao
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, Ourense Campus, Universidade de Vigo, Ourense, Spain
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, China
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Chengdu University, Chengdu, China
| | - M Fatima Barroso
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Porto, Portugal
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, Ourense Campus, Universidade de Vigo, Ourense, Spain
| | - Miguel A Prieto
- Nutrition and Bromatology Group, Faculty of Food Science and Technology, Ourense Campus, Universidade de Vigo, Ourense, Spain
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
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6
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Biological Potential, Gastrointestinal Digestion, Absorption, and Bioavailability of Algae-Derived Compounds with Neuroprotective Activity: A Comprehensive Review. Mar Drugs 2022; 20:md20060362. [PMID: 35736165 PMCID: PMC9227170 DOI: 10.3390/md20060362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 05/23/2022] [Accepted: 05/24/2022] [Indexed: 12/04/2022] Open
Abstract
Currently, there is no known cure for neurodegenerative disease. However, the available therapies aim to manage some of the symptoms of the disease. Human neurodegenerative diseases are a heterogeneous group of illnesses characterized by progressive loss of neuronal cells and nervous system dysfunction related to several mechanisms such as protein aggregation, neuroinflammation, oxidative stress, and neurotransmission dysfunction. Neuroprotective compounds are essential in the prevention and management of neurodegenerative diseases. This review will focus on the neurodegeneration mechanisms and the compounds (proteins, polyunsaturated fatty acids (PUFAs), polysaccharides, carotenoids, phycobiliproteins, phenolic compounds, among others) present in seaweeds that have shown in vivo and in vitro neuroprotective activity. Additionally, it will cover the recent findings on the neuroprotective effects of bioactive compounds from macroalgae, with a focus on their biological potential and possible mechanism of action, including microbiota modulation. Furthermore, gastrointestinal digestion, absorption, and bioavailability will be discussed. Moreover, the clinical trials using seaweed-based drugs or extracts to treat neurodegenerative disorders will be presented, showing the real potential and limitations that a specific metabolite or extract may have as a new therapeutic agent considering the recent approval of a seaweed-based drug to treat Alzheimer’s disease.
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7
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Carboxymethyl chitosan incorporated with gliadin/phlorotannin nanoparticles enables the formation of new active packaging films. Int J Biol Macromol 2022; 203:40-48. [PMID: 35077750 DOI: 10.1016/j.ijbiomac.2022.01.128] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/12/2022] [Accepted: 01/19/2022] [Indexed: 01/14/2023]
Abstract
Advanced carboxymethyl chitosan (CMCS) based functional films were fabricated by involving some amounts of gliadin/phlorotannin nanoparticles (GPNPs) using a solution casting method. GPNPs were synthesized by an antisolvent precipitation approach, and they presented a spherical morphology with a mean diameter of 145.30 ± 2.06 nm. The effect of GPNPs concentration on the structural, physical, antioxidant and antimicrobial properties of CMCS-GPNPs (C-G) functional films was evaluated. It was found that the added GPNPs were homogeneously distributed over the whole CMCS matrix, allowing to reduce the free volume of the nanocomposite matrix and subsequently improve the physical properties of the final film (evidenced by mechanical and water barrier properties). FT-IR spectra indicated the intermolecular interactions, such as hydrogen bonds and electrostatic interaction, within the matrix of the nanocomposite films were increased. Impressively, the anti-ultraviolet properties, antioxidant activity and antimicrobial behaviors of the as-formed C-G functional films were greatly enhanced compared to the pure CMCS film. All these results suggested that our as-prepared C-G nanocomposite films could be a promising food packaging material.
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8
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De Bhowmick G, Hayes M. In Vitro Protein Digestibility of Selected Seaweeds. Foods 2022; 11:foods11030289. [PMID: 35159443 PMCID: PMC8834047 DOI: 10.3390/foods11030289] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 01/12/2022] [Accepted: 01/17/2022] [Indexed: 02/06/2023] Open
Abstract
Seaweed biomass is considered a valuable and potential, alternative protein source but it is currently under-exploited. Seaweed or Macroalgae do not require arable land and freshwater for their cultivation, they are fast growing and contain several health ingredients and beneficial macronutrients. In this study, we determined the in vitro k-Protein Digestibility-Corrected Amino Acid Score (k-PDCAAS) values of six different, Irish seaweeds using the rapid k-PDCAAS method. Based on the amino acid profile and protein content of each seaweed, the in vitro protein digestibility and k-PDCAAS scores were calculated. In addition, the limiting amino acid(s) for each of the six seaweeds was/were determined. Results suggest that although the in vitro digestibility was quite similar for all analyzed seaweeds, their k-PDCAAS scores varied significantly. The red seaweed Palmaria palmata had a k-PDCAAS score of 0.69 ± 0.014, while Fucus serratus had a value of 0.63 ± 0.084 and Alaria esculenta a value of 0.59 ± 0.021. The seaweeds were found to be rich in essential amino acids and taurine. Overall, the amino acid composition of the seaweeds studied suggests that they are suitable alternative protein sources for use in human nutrition providing both essential and non-essential amino acids to the consumer.
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Kumar LRG, Paul PT, Anas KK, Tejpal CS, Chatterjee NS, Anupama TK, Mathew S, Ravishankar CN. Phlorotannins-bioactivity and extraction perspectives. JOURNAL OF APPLIED PHYCOLOGY 2022; 34:2173-2185. [PMID: 35601997 PMCID: PMC9112266 DOI: 10.1007/s10811-022-02749-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 04/05/2022] [Accepted: 04/05/2022] [Indexed: 05/09/2023]
Abstract
Phlorotannins, a seaweed based class of polyphenolic compounds, have proven to possess potential bioactivities such as antioxidant, antimicrobial, anti-allergic, anti-diabetic, anti-inflammatory, anti-cancerous, neuroprotection etc. These bioactivities have further increased demand globally and sustainable techniques such as supercritical fluid extraction, microwave assisted extraction, enzyme assisted extraction, extraction using deep eutectic solvents etc. are being explored currently for production of phlorotannin-rich extracts. In spite of such well documented bioactivities, very few phlorotannin-based nutraceuticals are available commercially which highlights the significance of generating consumer awareness about their physiological benefits. However, for industry level commercialization accurate quantification of phlorotannins with respect to the different classes is vital requiring sophisticated analytical techniques such as mass spectrometry, 1H-NMR spectroscopy etc. owing to the wide structural diversity. This review summarizes the extraction and bioactivities of phlorotannins based on the findings of in vivo and in vitro studies.
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Affiliation(s)
- Lekshmi R. G. Kumar
- ICAR-Central Institute of Fisheries Technology (CIFT), Cochin-29, Cochin, India
| | - Preethy Treesa Paul
- ICAR-Central Institute of Fisheries Technology (CIFT), Cochin-29, Cochin, India
| | - K. K. Anas
- ICAR-Central Institute of Fisheries Technology (CIFT), Cochin-29, Cochin, India
| | - C. S. Tejpal
- ICAR-Central Institute of Fisheries Technology (CIFT), Cochin-29, Cochin, India
| | - N. S. Chatterjee
- ICAR-Central Institute of Fisheries Technology (CIFT), Cochin-29, Cochin, India
| | - T. K. Anupama
- ICAR-Central Institute of Fisheries Technology (CIFT), Veraval Research Centre, Veraval, India
| | - Suseela Mathew
- ICAR-Central Institute of Fisheries Technology (CIFT), Cochin-29, Cochin, India
| | - C. N. Ravishankar
- ICAR-Central Institute of Fisheries Technology (CIFT), Cochin-29, Cochin, India
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Meng W, Mu T, Sun H, Garcia-Vaquero M. Phlorotannins: A review of extraction methods, structural characteristics, bioactivities, bioavailability, and future trends. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102484] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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11
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Adding value to marine invaders by exploring the potential of Sargassum muticum (Yendo) Fensholt phlorotannin extract on targets underlying metabolic changes in diabetes. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102455] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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12
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Kurihara H, Kujira K. Phlorotannins Derived From the Brown Alga Colpomenia bullosa as Tyrosinase Inhibitors. Nat Prod Commun 2021. [DOI: 10.1177/1934578x211021317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Tyrosinase catalyzes hydroxylation of L-tyrosine and dehydrogenation of L-DOPA in the melanin biosynthesis pathway. Tyrosinase inhibitors have potential use as cosmetic whitening agents and for preventing seafood deterioration. In this report, tyrosinase inhibitors extracted from brown alga Colpomenia bullosa (Scytosiphonaceae, Scytosiphonales) were investigated. Inhibitory principles were isolated from the extract and identified as phlorotannins, phloroglucinol (1), diphlorethol (2), triphlorethol C (3), which have not been isolated in a free form previously, and fucophlorethol C (4). Compounds 3 and 4 have not been reported previously as tyrosinase inhibitors. Triphlorethol C (3) was the most potent tyrosinase inhibitor among the phlorotannins isolated, whereas isomeric fucophlorethol C (4) displayed the weakest inhibitory activity. The results suggest that molecular structures of phlorotannins strongly affect their tyrosinase inhibitory activity.
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Affiliation(s)
| | - Kazuki Kujira
- Graduate School of Fisheries Sciences, Hokkaido University, Hakodate, Japan
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13
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Shi Y, Qi H. Effects of Different Seaweed Bioactive Compounds on Neurodegenerative Disorders, Potential Uses on Insomnia: A Mini-review. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1929301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Yixin Shi
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood, Dalian, P. R. China
| | - Hang Qi
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood, Dalian, P. R. China
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14
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Multi-Step Subcritical Water Extracts of Fucus vesiculosus L. and Codium tomentosum Stackhouse: Composition, Health-Benefits and Safety. Processes (Basel) 2021. [DOI: 10.3390/pr9050893] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Mental health and active aging are two of the main concerns in the 21st century. To search for new neuroprotective compounds, extracts of Codium tomentosum Stackhouse and Fucus vesiculosus L. were obtained through multi-step (four step) subcritical water extraction using a temperature gradient. The safety assessment of the extracts was performed by screening pharmaceutical compounds and pesticides by UHPLC-MS/MS, and iodine and arsenic levels by ICP-MS. Although the extracts were free of pharmaceutical compounds and pesticides, the presence of arsenic and high iodine contents were found in the first two extraction steps. Thus, the health-benefits were only evaluated for the fractions obtained in steps 3 and 4 from the extraction process. These fractions were tested against five brain enzymes implicated in Alzheimer’s, Parkinson’s, and major depression etiology as well as against reactive oxygen and nitrogen species, having been observed a strong enzyme inhibition and radical scavenging activities for the step 4 fractions from both seaweed species. Regarding the variation of the chemical composition during the extraction, step 1 fractions were the richest in phenolic compounds. With the increase in temperature, Maillard reaction, caramelization and thermo-oxidation occurred, and the resulting products positively affected the antioxidant capacity and the neuroprotective effects.
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15
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Gil-Izquierdo A, Pedreño MA, Montoro-García S, Tárraga-Martínez M, Iglesias P, Ferreres F, Barceló D, Núñez-Delicado E, Gabaldón JA. A sustainable approach by using microalgae to minimize the eutrophication process of Mar Menor lagoon. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 758:143613. [PMID: 33218814 DOI: 10.1016/j.scitotenv.2020.143613] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 10/23/2020] [Accepted: 11/07/2020] [Indexed: 06/11/2023]
Abstract
The present study evaluates the removal capacity of microalgae photobioreactors of environmental pollutants present in wastewater from the dry riverbed El Albujón, as a way to minimize the eutrophication process of the Mar Menor. Particularly, the capacity of four autochthonous microalgae consortia collected from different locations of the salty lagoon to remove emerging contaminants (simazine, atrazine, terbuthylazine, adenosine and ibuprofen), nitrates, and phosphates, was evaluated. Among the four microalgae consortia, consortium 1 was the best in terms of biomass productivity (0.11 g L-1 d-1) and specific growth rate (0.14 d-1), providing 100% removal of emerging contaminants (simazine, atrazine, terbuthylazine, adenosine and ibuprofen), and a maximal reduction and consumption of macronutrients, especially nitrates and phosphates, reaching levels below 28 mg L-1, that is, a decrease of 89.90 and 99.70% of nitrates and phosphates, respectively. Therefore, this consortium (Monoraphidium sp., Desmodesmus subspicatus, Nannochloris sp.) could be selected as a green filter for successful large-scale applications. This study is the first one that combines the successful removal of herbicides, ibuprofen and adenosine as emerging contaminants, and nitrate removal.
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Affiliation(s)
- A Gil-Izquierdo
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, University Campus of Espinardo - Edif. 25, E-30100 Espinardo, Spain
| | - M A Pedreño
- Departamento de Biología Vegetal, Facultad de Biología, Universidad de Murcia, Campus de Espinardo, E-30100 Murcia, Spain
| | - S Montoro-García
- Molecular Recognition and Encapsulation Research Group (REM), Health Sciences Department, Universidad Católica de Murcia (UCAM), Campus de los Jerónimos 135, Guadalupe E-30107, Spain
| | - M Tárraga-Martínez
- Buggypower S.L, Miguel Hernández, 16, San Pedro del Pinatar, E-307040 Murcia, Spain
| | - P Iglesias
- Buggypower S.L, Miguel Hernández, 16, San Pedro del Pinatar, E-307040 Murcia, Spain
| | - F Ferreres
- Molecular Recognition and Encapsulation Research Group (REM), Health Sciences Department, Universidad Católica de Murcia (UCAM), Campus de los Jerónimos 135, Guadalupe E-30107, Spain
| | - D Barceló
- Water and Soil Quality Research Group, Department of Environmental Chemistry, IDAEA-CSIC, C/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - E Núñez-Delicado
- Molecular Recognition and Encapsulation Research Group (REM), Health Sciences Department, Universidad Católica de Murcia (UCAM), Campus de los Jerónimos 135, Guadalupe E-30107, Spain
| | - J A Gabaldón
- Molecular Recognition and Encapsulation Research Group (REM), Health Sciences Department, Universidad Católica de Murcia (UCAM), Campus de los Jerónimos 135, Guadalupe E-30107, Spain.
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A multi-residue electrochemical biosensor based on graphene/chitosan/parathion for sensitive organophosphorus pesticides detection. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138355] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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17
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Shrestha S, Zhang W, Smid S. Phlorotannins: A review on biosynthesis, chemistry and bioactivity. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2020.100832] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Barbosa M, Valentão P, Andrade PB. Polyphenols from Brown Seaweeds (Ochrophyta, Phaeophyceae): Phlorotannins in the Pursuit of Natural Alternatives to Tackle Neurodegeneration. Mar Drugs 2020; 18:E654. [PMID: 33353007 PMCID: PMC7766193 DOI: 10.3390/md18120654] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 12/11/2022] Open
Abstract
Globally, the burden of neurodegenerative disorders continues to rise, and their multifactorial etiology has been regarded as among the most challenging medical issues. Bioprospecting for seaweed-derived multimodal acting products has earned increasing attention in the fight against neurodegenerative conditions. Phlorotannins (phloroglucinol-based polyphenols exclusively produced by brown seaweeds) are amongst the most promising nature-sourced compounds in terms of functionality, and though research on their neuroprotective properties is still in its infancy, phlorotannins have been found to modulate intricate events within the neuronal network. This review comprehensively covers the available literature on the neuroprotective potential of both isolated phlorotannins and phlorotannin-rich extracts/fractions, highlighting the main key findings and pointing to some potential directions for neuro research ramp-up processes on these marine-derived products.
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Affiliation(s)
| | | | - Paula B. Andrade
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira n.º 228, 4050-313 Porto, Portugal; (M.B.); (P.V.)
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Aminina NM, Karaulova EP, Vishnevskaya TI, Yakush EV, Kim YK, Nam KH, Son KT. Characteristics of Polyphenolic Content in Brown Algae of the Pacific Coast of Russia. Molecules 2020; 25:E3909. [PMID: 32867195 PMCID: PMC7504090 DOI: 10.3390/molecules25173909] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 08/20/2020] [Accepted: 08/21/2020] [Indexed: 12/12/2022] Open
Abstract
Water and ethanol brown macroalgal extracts of nine species of Laminariales and four species of Fucales of the Pacific coast of Russia were investigated. It has been shown that brown algae species of Agarum, Thalassiophyllum, Fucus and Cystoseira can be a source of the polyphenolic compounds with antioxidant activity. Phenolic content in the ethanol algal extracts (Undaria pinnatifida, Arthrothamnus bifidus, Thalassiophyllum clathrus and Agarum turneri) was 1.1-3.5 times higher than in the water extracts. In Sargassum pallidum and Kjellmaniella crassifolia, the total polyphenolic content was 2.1 and 1.6 times higher, respectively, in water extracts than in ethanol extracts. The maximum radical scavenging activity has been detected in Agarum turneri ethanol extracts (38.8 mg ascorbic acid/g and 2506.8 µmol Trolox equiv/g dry algae). Phlorotannin content varies from 16.8 μg/g dry sample of Costaria costata to 2763.2 μg/g dry sample of Agarum turneri. It is found the content of polyphenolic compounds in brown algae is determined mainly by their species-specificity and by their belonging to the genus. The presence of major phenols in the extract of Thalassiophyllum clathrus, such as phenolic acid (gallic acid), hydroxycinnamic acids (caffeic acid, chlorogenic acid, coumaric acid) and flavonols (kaempferol, quercetin) has been established.
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Affiliation(s)
- Natalia M. Aminina
- Russian Federal Research Institute of Fisheries and Oceanography, Pacific branch (TINRO), 4, Shevchenko Alley, 690091 Vladivostok, Russia; (T.I.V.); (E.V.Y.)
| | - Ekaterina P. Karaulova
- Russian Federal Research Institute of Fisheries and Oceanography, Pacific branch (TINRO), 4, Shevchenko Alley, 690091 Vladivostok, Russia; (T.I.V.); (E.V.Y.)
| | - Tatiana I. Vishnevskaya
- Russian Federal Research Institute of Fisheries and Oceanography, Pacific branch (TINRO), 4, Shevchenko Alley, 690091 Vladivostok, Russia; (T.I.V.); (E.V.Y.)
| | - Evgeny V. Yakush
- Russian Federal Research Institute of Fisheries and Oceanography, Pacific branch (TINRO), 4, Shevchenko Alley, 690091 Vladivostok, Russia; (T.I.V.); (E.V.Y.)
| | - Yeon-Kye Kim
- National Institute of Fisheries Science (NIFS), 216, Gijanghaean, Busan 46083, Korea; (Y.-K.K.); (K.-H.N.); (K.-T.S.)
| | - Ki-Ho Nam
- National Institute of Fisheries Science (NIFS), 216, Gijanghaean, Busan 46083, Korea; (Y.-K.K.); (K.-H.N.); (K.-T.S.)
| | - Kwang-Tae Son
- National Institute of Fisheries Science (NIFS), 216, Gijanghaean, Busan 46083, Korea; (Y.-K.K.); (K.-H.N.); (K.-T.S.)
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