Seaweed biorefinery for agricultural biostimulants and high-value biopolymers
Innovative seaweed biorefinery concept utilizing brown algae to produce biostimulants and high-value biopolymers like nanocellulose and alginate. Boosts agricultural productivity and sustainability while supporting coastal economies.
Overview
The innovative seaweed biorefinery concept leverages the abundant and sustainable resource of brown algae to produce biostimulants and high-value biopolymers such as nanocellulose and alginate. This approach enhances agricultural productivity and sustainability by improving the efficacy of biostimulants, which boost production from soil to hives. The biopolymers act as adjuvants, improving spray delivery, adhesion to hydrophobic leaf surfaces, and providing additional benefits such as frost protection and post-harvest crop protection.
Technical specifications
- Biostimulants: Proven efficacy in various applications, enhancing agronomic performance across crops, livestock, and beekeeping.
- Biopolymers: Nanocellulose and alginate serve as additives for soil moisture retention, foliar spray adhesion, and biocontrol delivery.
- Sustainable process: Utilizes kitchen-grade chemicals and low energy inputs in the pulping process, ensuring eco-friendliness and cost-effectiveness.
- Applications: Includes slow release of bioactive molecules, increased survivability of biological control agents, and edible coatings for crop protection.
Technology readiness level
The seaweed biorefinery technology has reached a Technology Readiness Level of 9, indicating that it is fully developed and ready for commercial deployment. Future plans include further validation through field trials and potential licensing agreements for broader application.
About The New Zealand Institute for Bioeconomy Science Limited
The New Zealand Institute for Bioeconomy Science Limited is a public research organization formed in 2025 through the merger of four Crown Research Institutes: AgResearch, Manaaki Whenua – Landcare Research, Plant & Food Research, and Scion. It operates as a Crown-owned entity focused on driving innovation and commercial outcomes across the bioeconomy. By integrating world-leading researchers, advanced infrastructure, and commercial expertise, the institute develops new technologies, processes, and products in sectors including agriculture, aquaculture, forestry, biotechnology, and manufacturing. Its operations are dedicated to advancing economic growth and resilience, protecting biodiversity, and fostering sustainable environmental outcomes for New Zealand.
This work is critical to providing actionable solutions for partners in industry, government, and local communities. The institute specializes in core areas such as climate resilience, advanced biomaterials and bioenergy, bioprotection and biosecurity, and the development of sustainable food and ingredient production systems. By translating complex scientific research into real-world applications, the organization helps producers optimize resource use and manage environmental volatility. It acts as a bridge between scientific discovery and commercial success, ensuring that research outputs translate into benefits for New Zealand's economy and its natural ecosystems.
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