Galactans: An overview of their most important sourcing and applications as natural polysaccharides
Open accessAbstract
Since last decades, lot of biological and rheological properties of polysaccharides and oligosaccharides were described. Among them, galactans and more especially sulfated galactans from seaweeds have shown interesting and specific properties not only as texturing agents but also as biological active compounds on several organisms. This class of polysaccharides includes classical sulfated galactans extracted from seaweeds and classified as agar and carrageenans. However, some galactans are more complex and their specific structural features have been characterized after their extraction from terrestrial plants, seaweeds but also animals and microoragnisms. This review catalogues the origins, structural characteristics and potentialities of these polysaccharides and their oligosaccharides derivatives.
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Carrageenans can be obtained from red marine algae like Eucheuma, Chondrus, and Iridaea, and are used for thickening and stabilization of dairy products, medicines, and cosmetics.
“Carrageenans, also described previously, can be obtained from several species of red marine algae like Eucheuma (Philippines), Chondrus (United States), and Iridaea (Chile). Their main uses are thickening and stabilization of some dairy products like syrups, puddings or canned foods for animals, and they are also used in the elaboration of some medicines and some cosmetics as shampoos and creams [”
From The Potential of Seaweeds as a Source of Functional Ingredients of Prebiotic and Antioxidant Value (2019) · cites this paper as [98]
Carrageenan is a sulfated water-soluble linear galactan of carrabiose or neocarrabiose subunits.
“Carrageenan is a sulfated water-soluble linear galactan of carrabiose (or neocarrabiose) subunits (Table 2).”
From The Enzymatic Conversion of Major Algal and Cyanobacterial Carbohydrates to Bioethanol (2016) · cites this paper as Delattre et al., 2011
Agarobiose consists of a d-Gal residue followed by l-AnGal linked by a β-(1→4) glycosidic bond.
“Agarobiose consists of a d-Gal residue followed by l-AnGal that is linked by a β-(1→4) glycosidic bond.”
From The Enzymatic Conversion of Major Algal and Cyanobacterial Carbohydrates to Bioethanol (2016) · cites this paper as Delattre et al., 2011
Neoagarobiose consists of α-(1→3)-linked l-AnGal and d-Gal residues.
“In contrast, neoagarobiose consists of α-(1→3)-linked l-AnGal and d-Gal residues.”
From The Enzymatic Conversion of Major Algal and Cyanobacterial Carbohydrates to Bioethanol (2016) · cites this paper as Delattre et al., 2011
Agarose is a non-sulfated, non-water-soluble linear galactan composed of repeating disaccharide units of d-galactose and 3,6-anhydro-l-galactose.
“Agarose is a non-sulfated, non-water-soluble linear galactan that is composed of repeating disaccharide units of d-galactose (d-Gal) and 3,6-anhydro-l-galactose (l-AnGal).”
From The Enzymatic Conversion of Major Algal and Cyanobacterial Carbohydrates to Bioethanol (2016) · cites this paper as Delattre et al., 2011
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References 129 · Cited by 174
Research works printed but not linked: 3
- Craigie, J. (1990), Cell walls. In: Cole K, Sheath R (eds) Biology of the red algae. Cambridge Univ. Press, Cambridge, pp. 221-257
- Hirase, S., Watanabe, K. (1972), Fractionation and structural investigation of furonan. In Proceedings of the VII th International Seaweed Symposium Edited by K. Nisizawa. Sapporo: University of Tokyo Press, pp. 451-454
- Reid, J.S.G. (1985), Structure and function in legume- seed polysaccharides, in: Brett C., Hillman J.R. (Eds.), Biochemistry of the Plant CellWalls, Cambridge Univ. Press, pp. 259-268
- Authors
- Delattre, C., Fenoradosoa, T. A., & Michaud, P.
- Affiliations
- Biopôle Clermont Limagne, France
- Université d’Antsiranana (MG)
- Université Blaise Pascal (FR)
- ORCID
- Michaud, Philippe
- Venue
- Brazilian Archives of Biology and Technology
- Publisher
- FapUNIFESP (SciELO)
- Published
- 2011-12
- Volume
- 54
- Issue
- 6
- Pages
- 1075-1092
- ISSN
- 1516-8913 (ISSN-L)
- OpenAlex
- W1489257481
- Cited by
- 174
- References
- 129
- Citations by year
- 2026: 4 · 2025: 13 · 2024: 4 · 2023: 17 · 2022: 20 · 2021: 23 · 2020: 21 · 2019: 15 · 2018: 11 · 2017: 11 · 2016: 11 · 2015: 15 · 2014: 4 · 2013: 2 · 2012: 3
- FWCI
- 4.20
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- cc-by-nc
- Locations
- Brazilian Archives of Biology and Technology (publishedVersion, cc-by-nc)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
- Americanae (AECID Library) (submittedVersion, other-oa)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Seaweed-derived Bioactive Compounds
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Polysaccharides and Plant Cell Walls
- Keywords
- galactan, sulfated galactans, seaweed polysaccharides, agar, carrageenan, oligosaccharides, polysaccharide structure, polysaccharide extraction
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