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You searched for: Publication Year 2019 Remove constraint Publication Year: 2019 Subject Sargassum muticum Remove constraint Subject: Sargassum muticum Subject alginates Remove constraint Subject: alginates
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1. Advances in the biorefinery of Sargassum muticum: Valorisation of the alginate fractions

Author:
N. Flórez-Fernández; H. Domínguez; M.D. Torres
Source:
Industrial crops and products 2019 v.138 pp. 111483
ISSN:
0926-6690
Subject:
Sargassum muticum; algae; alginates; autohydrolysis; biodiversity; biorefining; data collection; depolymerization; fucose; models; nutrients; polymers; recreation; solvents; temperature; viscoelasticity
Abstract:
... Sargassum muticum is an invasive brown seaweed that causes a negative impact on ecology, fishing and recreational activities, and was also associated with changes in biodiversity by competing for light, space and nutrients with autochthonous algae. Marine brown seaweeds contain different valuable components, such as alginate, fucose rich sulfated polysaccharides (known as fucoidans) and phlorotann ...
DOI:
10.1016/j.indcrop.2019.111483

2. Ecofriendly extraction of bioactive fractions from Sargassum muticum

Author:
María P. Casas; Enma Conde; Herminia Domínguez; Andrés Moure
Source:
Process biochemistry 2019 v.79 pp. 166-173
ISSN:
1359-5113
Subject:
Sargassum muticum; algae; alginates; antioxidant activity; ascorbic acid; cytotoxicity; enzymatic treatment; enzyme activity; enzymes; feedstocks; fibroblasts; humans; melanoma; mice; solubilization; ultrasonics; unsaturated fatty acids
Abstract:
... An ecofriendly process based on an enzyme-assisted extraction coupled with ultrasound extraction was proposed to obtain soluble bioactive fractions from Sargassum muticum. Whole algae (Sm) and residual algae from alginate production (AESm) were employed as feedstock. Aqueous enzyme treatment with commercial complex enzyme formulations or with mixture of enzymes lead to maximum solubilization yield ...
DOI:
10.1016/j.procbio.2018.12.021

3. Sargassum muticum extract based on alginate biopolymer as a new efficient biological corrosion inhibitor for carbon steel in hydrochloric acid pickling environment: Gravimetric, electrochemical and surface studies

Author:
I. Nadi; Z. Belattmania; B. Sabour; A. Reani; A. Sahibed-dine; C. Jama; F. Bentiss
Source:
International journal of biological macromolecules 2019 v.141 pp. 137-149
ISSN:
0141-8130
Subject:
Sargassum muticum; X-ray photoelectron spectroscopy; adsorption; algae; alginates; biopolymers; capacitance; carbon; coasts; corrosion; electrochemistry; electrolytes; plant extracts; sorption isotherms; steel; Morocco
Abstract:
... The inhibition effect of the invasive brown seaweed Sargassum muticum extract (ESM), harvested from the Atlantic coast of Morocco, against the corrosion of carbon steel (CS) in 1 M HCl medium was studied for the first time using gravimetric, electrochemical and surface techniques. The methanolic crude extract of Sargassum muticum (ESM) is rich in alginate biopolymer. The evaluation corrosion tests ...
DOI:
10.1016/j.ijbiomac.2019.08.253

4. A green approach for alginate extraction from Sargassum muticum brown seaweed using ultrasound-assisted technique

Author:
N. Flórez-Fernández; H. Domínguez; M.D. Torres
Source:
International journal of biological macromolecules 2019 v.124 pp. 451-459
ISSN:
0141-8130
Subject:
Fourier transform infrared spectroscopy; Sargassum muticum; alginates; cell growth; fucoidan; growth retardation; hydrogels; matrix-assisted laser desorption-ionization mass spectrometry; molecular weight; nuclear magnetic resonance spectroscopy; rheology; sodium; sonication; temperature; ultrasonic treatment
Abstract:
... Ultrasound assisted aqueous extraction of alginate from Sargassum muticum was proposed to minimize the use of chemicals, high temperatures and prolonged times, with comparable extraction yields to conventional acid/alkali procedures. The alginate, precipitated from the liquors obtained after ultrasound assisted extraction of fucoidan and phlorotannin fractions, and converted to alginic acid sodium ...
DOI:
10.1016/j.ijbiomac.2018.11.232

5. The inhibition of anaerobic digestion by model phenolic compounds representative of those from Sargassum muticum

Author:
John J. Milledge; Birthe V. Nielsen; Patricia J. Harvey
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 779-786
ISSN:
0921-8971
Subject:
Sargassum muticum; alginates; anaerobic digestion; biogas; cellulose; epicatechin; gallic acid; glycerol; hydrocolloids; hydrolysis; macroalgae; methane; methane production; models; organic matter; polymers; polyphenols; sodium
Abstract:
... Practical yields of biogas from the anaerobic digestion of macroalgae and, Sargassum muticum in particular, are substantially below the theoretical maximum. There is considerable conjecture about the reasons for the relatively low practical methane yields from seaweed, and polyphenols are suggested as one of the elements in the low yield of methane from brown seaweeds. However, there appears to be ...
DOI:
10.1007/s10811-018-1512-4