Peer-reviewed article
A safety-aware intake modeling framework for translating edible algal biomass into nutritional bioproducts.
Wang Y, Roell G, Cruz RD, Durďáková M, Maruwan J et al. ·
Summary
Written by AI, not yet AICS's view · claude-haiku-4-5-20251001This paper presents a technical framework for evaluating edible algal biomass as a nutritional ingredient. It analyzes the biochemical composition of commercial microalgal and seaweed products and models age-appropriate intake levels to meet nutritional targets like omega-3 fatty acids. The study found significant variation between products and notes low actual seaweed consumption among Pacific Island children, creating a gap between potential and practice.
Key points
- Different algal products vary substantially in macronutrient, fatty acid, pigment, polyphenol and mineral composition
- Approximately 0.7 to 3.1 g of dry algal biomass can provide 20% of age-specific alpha-linolenic acid intake depending on product
- Multi-species combinations improved omega-3 representation while staying within safe intake limits
- Community data from Pacific Island children showed low and episodic seaweed consumption
- Safety-aware modeling proposed as a preliminary screening tool for evaluating algal biomass products
Limitations
This is a technical feasibility and intake modeling study, not an evaluation of whether children actually consume or benefit from algal products in practice. The document does not assess health outcomes, acceptance, or real-world implementation of algal-based nutritional interventions.
Abstract
Edible algal biomass has emerged as a promising platform for nutritional bioproduct development, but its practical translation depends on compositional variability, intake feasibility, and safety constraints. Here, we integrated biochemical profiling, trace element screening, age-specific intake modeling, and community consumption context to evaluate commercially available and supplier-provided microalgal and seaweed products within realistic application boundaries. Selected products differed substantially in macronutrient composition, fatty acid profiles, pigments, polyphenols, and mineral composition, indicating product- and species-specific roles as nutritional biomass rather than interchangeable ingredients. Across species and age groups, approximately 0.7 to 3.1 g dry biomass provided 20% of age-specific alpha-linolenic acid intake, with approximately 1 g sufficient for several products. Multi-species allocations improved omega-3 representation while remaining within practical intake limits and trace element-based screening thresholds. Community consumption data from Pacific Island children showed low and episodic seaweed intake, highlighting a gap between biomass potential and routine dietary use. These findings support safety-aware modeling as a preliminary screening and decision-support strategy for evaluating edible algal biomass before further product-specific validation.