Microalgal polyunsaturated fatty acids: Hotspots and production techniques

Area of Science:

• Biotechnology
• Marine Biology
• Nutritional Science

Background:

• Algae are vital for primary productivity, producing oxygen and valuable nutrients.
• Polyunsaturated fatty acids (PUFAs), including omega-3 and omega-6, are essential nutrients found in algae.
• Microalgae-based PUFA production is an emerging field with significant potential.

Purpose of the Study:

• To review and analyze recent advancements in algae-based PUFA production.
• To identify research hotspots and future directions in the field.
• To provide a comprehensive guide for the industrialization of algae-derived PUFA oils.

Main Methods:

• Systematic review of recent scientific literature on algae-based PUFA production.
• Analysis of cultivation, lipid extraction, purification, and enrichment processes.
• Identification of technological bottlenecks and opportunities.

Main Results:

• Algae cultivation techniques are advancing for optimal lipid accumulation.
• Efficient methods for lipid extraction and purification are crucial for high-purity PUFAs.
• PUFA enrichment strategies are key to maximizing the yield of essential fatty acids.

Conclusions:

• A systematic understanding of the entire technological chain is essential for successful algae-based PUFA production.
• Further research and development are needed to optimize processes for industrial-scale application.
• Algae represent a sustainable and valuable source for essential fatty acids, supporting human and animal health.