In vitro antioxidant properties of crude extracts and compounds from brown algae

doi:10.1016/J.FOODCHEM.2012.11.026

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In vitro antioxidant properties of crude extracts and compounds from brown algae

Journal Article•DOI•

In vitro antioxidant properties of crude extracts and compounds from brown algae

Elena M. Balboa¹, Enma Conde¹, Andrés Moure¹, Elena Falqué¹, Herminia Domínguez¹ - Show less +1 more•Institutions (1)

University of Vigo¹

01 Jun 2013-Food Chemistry (Food Chem)-Vol. 138, Iss: 2, pp 1764-1785

TL;DR: In vitro antioxidant chemical methods, used as a first approach to evaluate potential agents to protect from lipid oxidation in foods, confirmed that the brown algae crude extracts, fractions and pure components are comparatively similar or superior to synthetic antioxidants.

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About: This article is published in Food Chemistry.The article was published on 2013-06-01. It has received 349 citations till now. The article focuses on the topics: Brown algae & Phlorotannin.

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Journal Article•DOI•

Seaweed extracts as biostimulants in horticulture

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Dhriti Battacharyya¹, Mahbobeh Zamani Babgohari¹, Pramod Kumar Rathor¹, Balakrishnan Prithiviraj¹•Institutions (1)

Dalhousie University¹

30 Nov 2015-Scientia Horticulturae

TL;DR: An update of the current state of the understanding of the chemical constituents of brown seaweed extracts and the physiological effects they induce on plants with particular reference to horticultural crops is given.

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536 citations

Journal Article•DOI•

Antimicrobial Action of Compounds from Marine Seaweed

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María José Pérez¹, Elena Falqué¹, Herminia Domínguez¹•Institutions (1)

University of Vigo¹

09 Mar 2016-Marine Drugs

TL;DR: This review presents the major compounds found in macroalga showing antimicrobial activities and their most promising applications.

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Abstract: Seaweed produces metabolites aiding in the protection against different environmental stresses. These compounds show antiviral, antiprotozoal, antifungal, and antibacterial properties. Macroalgae can be cultured in high volumes and would represent an attractive source of potential compounds useful for unconventional drugs able to control new diseases or multiresistant strains of pathogenic microorganisms. The substances isolated from green, brown and red algae showing potent antimicrobial activity belong to polysaccharides, fatty acids, phlorotannins, pigments, lectins, alkaloids, terpenoids and halogenated compounds. This review presents the major compounds found in macroalga showing antimicrobial activities and their most promising applications.

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371 citations

Cites background from "In vitro antioxidant properties of ..."

...Cell walls of algae are composed of a variety of polysaccharides including alginic acid and alginates, carrageenans and agar, laminarans, fucoidans, ulvans and derivatives [20,21]....
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Journal Article•DOI•

Extraction, structure and biofunctional activities of laminarin from brown algae

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Shekhar U. Kadam¹, Brijesh K. Tiwari², Colm P. O'Donnell¹•Institutions (2)

University College Dublin¹, Teagasc²

01 Jan 2015-International Journal of Food Science and Technology

TL;DR: Brown algae are rich sources of bioactive compounds such as polysaccharides, peptides, omega-3 fatty acids, carotenoids, phenolics, vitamins and minerals and studies on feeding of laminarin-rich extracts to animals indicate it’s suitability as functional ingredient for food applications.

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Abstract: Summary Brown algae are rich sources of bioactive compounds such as polysaccharides, peptides, omega-3 fatty acids, carotenoids, phenolics, vitamins and minerals. Laminarin is low-molecular-weight polysaccharide and bioactive compound present in brown algae. Laminarin is found in the fronds of Laminaria and Saccharina species. Laminarin, a storage b-glucan, is composed of (1,3)-b-D-glucan and some b-(1,6)-intrachain links. The reported content of laminarin from brown algae is up to levels of 35% on dry basis, which varies depending on species, harvesting season, habitat and method of extraction. Laminarin has many reported biofunctional activities including antitumour, anti-apoptotic, anti-inflammatory, anticoagulant and antioxidant activity. Biofunctional activities of laminarin can be enhanced after suitable chemical modifications, sulphation and novel processing techniques. Studies on feeding of laminarin-rich extracts to animals indicate it’s suitability as functional ingredient for food applications. This paper reviews the main sources, structure and extraction of laminarin with its biofunctional activities.

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235 citations

Journal Article•DOI•

Application of seaweeds to develop new food products with enhanced shelf-life, quality and health-related beneficial properties.

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Shahin Roohinejad, Mohamed Koubaa¹, Francisco J. Barba², Sania Saljoughian, Mehrnoush Amid³, Ralf Greiner - Show less +2 more•Institutions (3)

University of Technology of Compiègne¹, University of Valencia², Universiti Putra Malaysia³

01 Sep 2017-Food Research International

TL;DR: The results of these studies demonstrated that the health value, shelf-life and overall quality of foods can be improved through the addition of either seaweeds or seaweed extracts.

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217 citations

Journal Article•DOI•

Laminarin from Irish Brown Seaweeds Ascophyllum nodosum and Laminaria hyperborea: Ultrasound Assisted Extraction, Characterization and Bioactivity

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Shekhar U. Kadam¹, Colm P. O'Donnell¹, Dilip K. Rai², Mohammad B. Hossain², Catherine M. Burgess², D. Walsh², Brijesh K. Tiwari² - Show less +3 more•Institutions (2)

University College Dublin¹, Teagasc²

10 Jul 2015-Marine Drugs

TL;DR: These extracts have shown inihibition of bacterial growth of Staphylcoccus aureus, Listeria monocytogenes, Escherichia coli and Salmonella typhimurium, and have shown antioxidant activity of A. nodosum and L. hyperborea, respectively.

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Abstract: Ultrasound assisted extraction (UAE), purification, characterization and antioxidant activity of laminarin from Irish brown seaweeds Ascophyllum nodosum and Laminarina hyperborea were investigated. UAE was carried out using 60% ultrasonic power amplitude and 0.1 M hydrochloric acid for 15 min. Separately, solid-liquid extraction was carried in an orbital shaker using 0.1 M hydrochloric acid at 70 °C for 2.5 h. UAE with hydrochloric acid resulted in the highest concentration of laminarin, 5.82% and 6.24% on dry weight basis from A. nodosum and L. hyperborea, respectively. Purification of all extracts was carried out using molecular weight cut off dialysis at 10 kDa. Characterization of the laminarin fraction was carried out using matrix assisted laser desorption/ionization time-of-flight mass spectrometry. Antioxidant activity of A. nodosum and L. hyperborea extracts had 2,2-diphenyl-1-picrylhydrazyl (DPPH) inhibition levels of 93.23% and 87.57%, respectively. Moreover, these extracts have shown inihibition of bacterial growth of Staphylcoccus aureus, Listeria monocytogenes, Escherichia coli and Salmonella typhimurium.

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198 citations

Cites background from "In vitro antioxidant properties of ..."

...[20] have extensively reviewed antioxidant activities in brown seaweeds and they have reported that phenolic compounds possess antioxidant properties....
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References

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Journal Article•DOI•

The Chemistry behind Antioxidant Capacity Assays

[...]

Dejian Huang¹, Boxin Ou, Ronald L. Prior•Institutions (1)

National University of Singapore¹

25 Feb 2005-Journal of Agricultural and Food Chemistry

TL;DR: This analysis suggests that the total phenols assay by FCR be used to quantify an antioxidant's reducing capacity and the ORAC assay to quantify peroxyl radical scavenging capacity, to comprehensively study different aspects of antioxidants.

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Abstract: This review summarizes the multifaceted aspects of antioxidants and the basic kinetic models of inhibited autoxidation and analyzes the chemical principles of antioxidant capacity assays. Depending upon the reactions involved, these assays can roughly be classified into two types: assays based on hydrogen atom transfer (HAT) reactions and assays based on electron transfer (ET). The majority of HAT-based assays apply a competitive reaction scheme, in which antioxidant and substrate compete for thermally generated peroxyl radicals through the decomposition of azo compounds. These assays include inhibition of induced low-density lipoprotein autoxidation, oxygen radical absorbance capacity (ORAC), total radical trapping antioxidant parameter (TRAP), and crocin bleaching assays. ET-based assays measure the capacity of an antioxidant in the reduction of an oxidant, which changes color when reduced. The degree of color change is correlated with the sample's antioxidant concentrations. ET-based assays include th...

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5,354 citations

"In vitro antioxidant properties of ..." refers background or methods or result in this paper

...Despite the limitations in lipophilic samples, the ORAC assay is widely accepted as a standard assay for the antioxidant capacity when multiple constituents and complex reaction mechanisms are involved, e.g., food, nutraceuticals (Huang et al., 2005) and algae (Price, Sanny, & Shevlin, 2006)....
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...…acid)) radical is oxidised to the radical cation (ABTS +), its decolorisation being used to measure the antioxidant capacity in both water-soluble and lipid-soluble food samples and is expressed as TEAC (Trolox equivalent antioxidant capacity) (Huang et al., 2005)....
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...…in algal extracts is lower than in those from other terrestrial sources, the value obtained with the Folin–Ciocalteau reagent could be a measure of the reducing capacity, and similar results with other methods based on similar redox reactions (DPPH, FRAP, TEAC) are expected (Huang et al., 2005)....
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...…and peroxynitrite, which are responsible for oxidative damage in the human body, but have also been proposed for food samples (Craft et al., 2012; Huang et al., 2005). a,a-Diphenylpicrylhydrazyl (DPPH) is a stable free radical widely used for evaluating natural antioxidants, algae or algal…...
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..., food, nutraceuticals (Huang et al., 2005) and algae (Price, Sanny, & Shevlin, 2006)....
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Journal Article•DOI•

Marine natural products.

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John W. Blunt¹, Brent R. Copp², Murray H. G. Munro¹, Peter T. Northcote³, Michèle R. Prinsep⁴ - Show less +1 more•Institutions (4)

University of Canterbury¹, University of Auckland², Victoria University of Wellington³, University of Waikato⁴

01 Feb 2011-Natural Product Reports

TL;DR: This review covers the literature published in 2014 for marine natural products, with 1116 citations referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms.

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4,649 citations

Journal Article•DOI•

Standardized Methods for the Determination of Antioxidant Capacity and Phenolics in Foods and Dietary Supplements

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Ronald L. Prior¹, Xianli Wu¹, Karen M. Schaich¹•Institutions (1)

United States Department of Agriculture¹

26 Apr 2005-Journal of Agricultural and Food Chemistry

TL;DR: Methods available for the measurement of antioxidant capacity are reviewed, presenting the general chemistry underlying the assays, the types of molecules detected, and the most important advantages and shortcomings of each method.

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Abstract: Methods available for the measurement of antioxidant capacity are reviewed, presenting the general chemistry underlying the assays, the types of molecules detected, and the most important advantages and shortcomings of each method. This overview provides a basis and rationale for developing standardized antioxidant capacity methods for the food, nutraceutical, and dietary supplement industries. From evaluation of data presented at the First International Congress on Antioxidant Methods in 2004 and in the literature, as well as consideration of potential end uses of antioxidants, it is proposed that procedures and applications for three assays be considered for standardization: the oxygen radical absorbance capacity (ORAC) assay, the Folin-Ciocalteu method, and possibly the Trolox equivalent antioxidant capacity (TEAC) assay. ORAC represent a hydrogen atom transfer (HAT) reaction mechanism, which is most relevant to human biology. The Folin-Ciocalteu method is an electron transfer (ET) based assay and gives reducing capacity, which has normally been expressed as phenolic contents. The TEAC assay represents a second ET-based method. Other assays may need to be considered in the future as more is learned about some of the other radical sources and their importance to human biology.

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4,580 citations

"In vitro antioxidant properties of ..." refers background in this paper

...It is a powerful oxidising agent reacting directly with a wide range of biomolecules, mostly by the addition to double bonds, forming endoperoxides that can be reduced to alkoxy radicals, which initiate radical chain reactions (Prior et al., 2005)....
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Journal Article•DOI•

Bioactive compounds in seaweed: functional food applications and legislation

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Susan Løvstad Holdt, Stefan Kraan

09 Feb 2011-Journal of Applied Phycology

TL;DR: Worldwide research on bioactive compounds in seaweed is reviewed, mainly of nine genera or species of seaweed, which are also available in European temperate Atlantic waters, i.e. Laminaria sp.

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Abstract: Seaweed is more than the wrap that keeps rice together in sushi. Seaweed biomass is already used for a wide range of other products in food, including stabilising agents. Biorefineries with seaweed as feedstock are attracting worldwide interest and include low-volume, high value-added products and vice versa. Scientific research on bioactive compounds in seaweed usually takes place on just a few species and compounds. This paper reviews worldwide research on bioactive compounds, mainly of nine genera or species of seaweed, which are also available in European temperate Atlantic waters, i.e. Laminaria sp., Fucus sp., Ascophyllum nodosum, Chondrus crispus, Porphyra sp., Ulva sp., Sargassum sp., Gracilaria sp. and Palmaria palmata. In addition, Undaria pinnatifida is included in this review as this is globally one of the most commonly produced, investigated and available species. Fewer examples of other species abundant worldwide have also been included. This review will supply fundamental information for biorefineries in Atlantic Europe using seaweed as feedstock. Preliminary selection of one or several candidate seaweed species will be possible based on the summary tables and previous research described in this review. This applies either to the choice of high value-added bioactive products to be exploited in an available species or to the choice of seaweed species when a bioactive compound is desired. Data are presented in tables with species, effect and test organism (if present) with examples of uses to enhance comparisons. In addition, scientific experiments performed on seaweed used as animal feed are presented, and EU, US and Japanese legislation on functional foods is reviewed.

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1,488 citations

"In vitro antioxidant properties of ..." refers background in this paper

...A joint summary of the total phenolic content and activity of brown algal extracts has been published (Holdt & Kraan, 2011; Tierney et al., 2010)....
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...…2011; Smit, 2004; Thomas & Kim, 2011), the potential of polysaccharides, polyphenolic compounds and terpenes (Chu, 2011; Gupta & Abu-Ghannam, 2011; Holdt & Kraan, 2011; Jiao, Yu, Zhang, & Ewart, 2011; Jiménez-Escrig et al., 2001; Mohamed, Hashim, & Rahman, 2012; Wijesekara, Kim, Li, & Li, 2011),…...
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...Fucoxanthin content and properties (Holdt & Kraan 2011; Le Lann et al., 2012; Lordan et al., 2011) and structural features in relation to activity and bioavailability (Heo et al., 2010; Peng, Yuan, Wu, & Wang, 2011) have been reviewed....
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...…0.57–3.5% (dw), and wide variations among species have been observed (Aknin et al., 1992; Dawczynski et al., 2007; Hernández-Carmona et al., 2009; Holdt & Kraan, 2011; Khotimchenko & Kulikova, 2000; Kim et al., 2010; Kumari, Kumar, Gupta, Reddy, & Jha, 2010; Li, Fan, Han, & Lou, 2002; McDermid…...
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...Comparative data on the polysaccharide content in brown algae (Holdt & Kraan, 2011; O’Sullivan et al., 2010; Zvyagintseva et al., 2003), their composition, functional and antioxidant properties have been reported (Cofrades et al., 2010; Elleuch et al., 2011; Rupérez & Saura-Calixto, 2001)....
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Journal Article•DOI•

Dietary fibre and fibre-rich by-products of food processing: Characterisation, technological functionality and commercial applications: A review

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Mohamed Elleuch¹, Dorothea Bedigian², Olivier Roiseux³, Souhail Besbes¹, Christophe Blecker³, Hamadi Attia¹ - Show less +2 more•Institutions (3)

École Normale Supérieure¹, Missouri Botanical Garden², Gembloux Agro-Bio Tech³

15 Jan 2011-Food Chemistry

TL;DR: In this paper, analytical methods and fractionation techniques of dietary fibres are evaluated for improving physical and structural properties of hydration, oil holding capacity, viscosity, texture, sensory characteristics, and shelf-life.

...read moreread less

1,263 citations

"In vitro antioxidant properties of ..." refers background in this paper

..., 2003), their composition, functional and antioxidant properties have been reported (Cofrades et al., 2010; Elleuch et al., 2011; Rupérez & Saura-Calixto, 2001)....
[...]
...Comparative data on the polysaccharide content in brown algae (Holdt & Kraan, 2011; O’Sullivan et al., 2010; Zvyagintseva et al., 2003), their composition, functional and antioxidant properties have been reported (Cofrades et al., 2010; Elleuch et al., 2011; Rupérez & Saura-Calixto, 2001)....
[...]