Looking for something specific?

Search within Our Comprehensive Services

Development of Green Seaweed Polysaccharides

Green seaweed, also known as Chlorophyta, has slightly less polysaccharide per dry weight than brown seaweed, with 77% of its mass being polysaccharides. these polysaccharides contain 21% sulfate. Polysaccharides from green algae are various sulfated complex polyglycosides not fundamentally different from those of land plants. Their structural patterns may vary depending on the algae species, culture location and extraction method. Many researchers have highlighted three distinct groups. (i) Sulfated xyluronic acid, known as ulfuran. (ii) Sulfated xyloarabinogalactan or arabinogalactan (15% to 20% sulphate), found in the orders Claechodes and Bryophytes. The sulfate content of each polysaccharide is directly related to its antioxidant and neuroprotective potential. (iii) Glucuronoxyrhamnogalactan and sulfated rhamnogalacturonic acid have a similar structure to pectinic acid of land plants and are extracted from some Ulva species. Green seaweed polysaccharides exhibit excellent antithrombotic, antitumor, hypolipidemic, antiviral, and anticoagulant activities.

Structures of ulvans.Fig 1. Structures of ulvans. (Hentati F, et al., 2020)

Our Services

CD BioSciences offers a comprehensive suite of services for the development of green seaweed polysaccharides. Leveraging our scientific expertise, advanced methods, and commitment to quality, we provide tailored solutions to meet the diverse requirements of our clients.

  • Extraction and Partial Purification
    Polysaccharides are extracted from green seaweed. Crude polysaccharides are purified by DEAE-cellulose column chromatography
  • Estimation of Total Carbohydrates
    Determination of carbohydrate content in polysaccharides is used phenol sulfuric acid method.
  • Determination of Sulfate Content
    At CD BioSciences, Sulfate content in polysaccharides is determined by the barium chloride gelatin method.
  • Determination of Uronic Acid Content
    The carbazole reaction method is used for estimating uronic acid in polysaccharide quantification.
  • Analysis of Elements
    We provide the percentage content determination services of carbon, hydrogen, nitrogen and sulfur of polysaccharides.
  • Antibacterial Assay
    To study the antibacterial activity of the polysaccharides, nine pathogens are selected for study, including Klebsiella sp. Escherichia coli, Bacillus cereus, Bacillus subtilis, Pseudomonas aeruginosa, Staphylococcus aureus, and Serratia sp.
  • Antioxidant Activity of Polysaccharide

Our Capabilities

CD BioSciences is dedicated to offering exceptional solutions in the development of green seaweed polysaccharides.

  • Customized approaches
    Tailored solutions designed to meet the unique requirements of our clients, ensuring precise targeting and efficient utilization of green seaweed polysaccharides.
  • Cutting-edge expertise
    Extensive experience in developing innovative strategies and solutions for harnessing the full potential of these polysaccharides.

CD BioSciences is a professional service provider for the marine biology industry. Our development of green seaweed polysaccharides services can ensure that the most suitable methods and techniques are selected for your project. We provide our customers with the most precise ingredient data and highly informed process expertise. Our team of biomass experts plays a key role in the formulation, optimization and commercial evaluation of biomass value-added processes in industry and academia. If necessary, please feel free to contact us.


  • Hentati F, Tounsi L, Djomdi D, et al. Bioactive polysaccharides from seaweeds[J]. Molecules, 2020, 25(14): 3152.

Please kindly note that our services can only be used to support research purposes (Not for clinical use).

Copyright © CD BioSciences. All rights reserved.