Kappaphycus alvarezii
Primary source of kappa carrageenan, valued for its firm, thermoreversible gels. Carrageenan accounts for a major fraction of the dry weight; in the literature, soluble fiber reaches ~34% in milled-algae samples.
QUALITY AND TRACEABILITY
TECHNICAL BACKING
Raw material characterized in the laboratory and supported by the scientific literature. Verifiable data for your procurement and R&D teams.
Laboratory analysis
Physicochemical characterization by Laboratorios Envirotec, C.A. (2024), sample of Kappaphycus alvarezii. Values per 100 g.
Proximate composition
- Energy195 kcal
- Protein6.30 %
- Total carbohydrates41.68 %
- Crude fiber27.60 %
- Total fat0.32 %
- Ash12.01 %
- Moisture12.09 %
Minerals (mg/100 g)
- Potassium137 mg
- Sodium75.4 mg
- Calcium29.2 mg
- Phosphorus19.2 mg
Heavy metals — very low
Arsenic <0.010 · Lead 0.010 · Copper 0.013 mg/kg. Well below international limits: suitable for food and industrial use.
Carrageenan profile
Eucheumatopsis isiforme
Species native to the Caribbean; produces a hybrid kappa-iota-nu carrageenan. The literature reports native carrageenan yields of up to ~57% of dry weight, of interest for texturizers and gelling applications.
Backed by the literature
A selection of peer-reviewed studies on the composition and applications of these macroalgae.
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Seasonal composition of Kappaphycus alvarezii
Rajasulochana et al., 2015
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Nutrient content of tropical edible seaweeds
Matanjun et al., 2009 — J. Appl. Phycology
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Carrageenan from Eucheuma isiforme (kappa-iota hybrid)
Freile-Pelegrin & Robledo, 2006
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Review: properties and applications of Kappaphycus
Phytochemistry Reviews, 2025
Note: composition values vary by cultivation area, season and processing. Request our technical datasheet for the parameters of the current lot.
Need the full technical datasheet?
We send the full analysis, certificates and export parameters (HS Code 12122900, port of Guamache) to buyers and industrial partners.
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