Growth and iota-carrageenan from the red seaweed Solieria filiformis (Rhodophyta, Solieriaceae) cultivated in the Ceara State coast, Brazil

IF 2.2 3区农林科学 Q2 FISHERIES

Aquaculture International Pub Date : 2025-02-17 DOI:10.1007/s10499-025-01864-6

Ticiana de Brito Lima Holanda, Érika Façanha Bessa, Francisco Ewerton de Sousa Lima, Francisco Lucas de Souza Lopes, Jéssica Roberta Pereira Martins, Norma Maria Barros Benevides, Márjory Lima Holanda Araújo

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Abstract

The red seaweed Solieria filiformis is a source of nutrients, active biomolecules, and the iota(ι)-carrageenan hydrocolloid. In Brazil, it is found in natural stock; however, the sustainable biomass production of this seaweed species in the sea has not been reported. The S. filiformis cultivation was evaluated at Flecheiras Beach, on the coast of Ceara State in Northeast Brazil, using Long-line with Vertical Rope Structures (LVRS) and Colonized Modules (CM) methods during the rainy and dry seasons. The environmental parameters of the cultivation site, the daily growth rates (DGR) at 30, 45, and 60 days after planting, the biomass density, and the ι-carrageenan extracted were assessed. Local environmental conditions supported seaweed growth in both seasons. However, the highest DGR (6.1%) was recorded 30 days after planting during the dry season using LVRS. The highest seaweed biomass density was 53 kg ws module⁻¹ using CM method. The highest ι-carrageenan yields (48.3% and 53.1%) were obtained from the biomasses produced in the dry season, using LVRS and CM methods, respectively. The mean sulfate content of the ι-carrageenan extracted was 26.8 ± 1.9%, a relevant feature of their physicochemical properties and biological activities.

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来源期刊

Aquaculture International 农林科学-渔业

CiteScore

5.10

自引率

6.90%

发文量

204

审稿时长

1.0 months

期刊介绍： Aquaculture International is an international journal publishing original research papers, short communications, technical notes and review papers on all aspects of aquaculture. The Journal covers topics such as the biology, physiology, pathology and genetics of cultured fish, crustaceans, molluscs and plants, especially new species; water quality of supply systems, fluctuations in water quality within farms and the environmental impacts of aquacultural operations; nutrition, feeding and stocking practices, especially as they affect the health and growth rates of cultured species; sustainable production techniques; bioengineering studies on the design and management of offshore and land-based systems; the improvement of quality and marketing of farmed products; sociological and societal impacts of aquaculture, and more. This is the official Journal of the European Aquaculture Society.