Valorization of the filamentous seaweed Chaetomorpha gracilis (Cladophoraceae, Chlorophyta) from an IMTA system
- PDF / 850,443 Bytes
- 12 Pages / 595.276 x 790.866 pts Page_size
- 22 Downloads / 176 Views
23RD INTERNATIONAL SEAWEED SYMPOSIUM, JEJU
Valorization of the filamentous seaweed Chaetomorpha gracilis (Cladophoraceae, Chlorophyta) from an IMTA system Yolanda Freile-Pelegrín 1 & Cresencia Chávez-Quintal 1 & Edgar Caamal-Fuentes 1 & Erika Vázquez-Delfín 1 & Tomás Madera-Santana 2 & Daniel Robledo 1 Received: 20 June 2019 / Revised and accepted: 31 January 2020 # Springer Nature B.V. 2020
Abstract The filamentous green seaweed Chaetomorpha can grow in a wide range of salinities and temperatures, and it is often reported as nuisance in other cultures due to its proliferation capacity and ordinarily discarded. However, Chaetomorpha can represent a promising feedstock for different purposes due to their potential valuable compounds. In the present study, Chaetomorpha gracilis grown as an opportunistic species in Solieria filiformis cultivated under an integrated multitrophic aquaculture (IMTA) in tanks was valorized through three sequential extractions. The sequential extraction process implemented was successful and managed to recover three valuable products: a lipid fraction with interesting saturated fatty acids (SFAs), a watersoluble sulfated polysaccharide (SP) with gelling capacity and antioxidant activity, and a highly crystalline cellulose. We discuss on the promising uses and applications for this C. gracilis compounds valuable to obtain biofuel and other pharmacological uses and industrial applications (composites and/or as pulp in paper making). Keywords Chaetomorpha gracilis . Chlorophyceae . Fatty acids . Sulfated polysaccharides . Cellulose
Introduction The green seaweed Chaetomorpha Kützing can grow in a wide range of salinities and temperatures, and it is able to proliferate in eutrophicated waters (Tsutsui et al. 2015; Ge and Champagne 2017). Moreover, Chaetomorpha is often reported as nuisance in aquaculture and ordinarily removed and discarded (Tsutsui et al. 2010). However, this genus can represent a promising feedstock for different purposes due to their valuable compounds such as proteins, pigments, fatty acids (FAs), and their cell wall polysaccharides. The sulfated polysaccharides (SPs) agar and carrageenan extracted from Rhodophyta as well as fucoidans from brown seaweeds have received much attention for their biological activities, novel uses in diagnostic and therapeutic tools, and
* Yolanda Freile-Pelegrín [email protected] 1
Departamento de Recursos del Mar, CINVESTAV, Merida, Yucatán, Mexico
2
Centro de Investigación en Alimentación y Desarrollo A.C, Hermosillo, Sonora, Mexico
in the biomaterials field (Cunha and Grenha 2016; Chollet et al. 2016). It is also known that Chlorophyta synthesize large amounts of SPs, such as ulvans from Ulvales with potential multifaceted applications (Lahaye and Robic 2007; Chiellini and Morelli 2011; Alves et al. 2013; Li et al. 2018). Nevertheless, different species of Cladophorales, including Chaetomorpha species, remain largely unexploited despite the fact that interesting sulfated arabinogalactans have been reported in some species
Data Loading...
