Visit to the Institute of Marine Biology in Trapani, Italy

 

Prof C.M.Messina (in black coat) with the visiting academic staff

On March 19, 2026, Mr. Kamlesh Boodhoo and Assoc. Prof. A. Ruggoo from the Faculty of Agriculture, University of Mauritius, accompanied by Prof. A. Comparetti and Prof. A. Bonanno visited the Institute of Marine Biology in Trapani. The visit was guided by the Director of the Institute, Professor Concetta M. Messina, who provided an in-depth tour of the facilities and shared insights into the cutting-edge research being conducted at the Institute. She leads a team dedicated to bridging the gap between academic excellence and the maritime industry of the Trapani region. The research activities conducted focus on the intersection of marine biochemistry, industrial innovation, and environmental sustainability. For over 40 years, the laboratory has leveraged the natural maritime vocation of the Trapani territory to develop advanced methodologies for fish product quality assessment, circular economy applications, and biotechnological advancements. The following briefing summarizes the key research pillars and technological advancements observed during the tour of the laboratory.

Entrance to the Institute of Marine Biology 

Key takeaways include:

• Industrial Integration: Deep-rooted partnerships with local industry leaders, notably the Nino Castiglione company, facilitate applied research in tuna processing, sensory analysis, and PhD-led innovation.
• Advanced Extraction Technology: The use of supercritical CO_{2} extraction and short distillation systems allows for the production of high-purity marine oils (Omega-3) and antioxidants without the use of toxic organic solvents, catering to the pharmaceutical and cosmetic industries.
• Circular Economy & Bioremediation: Microalgae-based systems are utilized for water purification (bioremediation) and the synthesis of organic fertilizers, turning excess nutrients into valuable biomass.
• Comprehensive Analytical Capabilities: The laboratory maintains sophisticated facilities for gas chromatography, nutritional profiling (protein, lipid, and mineral content), and cell culture testing across human, mouse, and fish strains.

Industrial Collaboration: The Tuna Industry

The laboratory maintains a primary research line focused on the innovation and transformation of fish products, working closely with local enterprises.

• Nino Castiglione Partnership: A cornerstone collaboration involving the evaluation of red tuna and yellowfin tuna products.
• Sensory and Consumer Analysis: The facility conducts specialized sensory evaluations and consumer tests to assess diverse production lines for industrial partners.
• Transformation Innovation: Research extends to the structural aspects of fish transformation, aiming to improve the processing and quality of exported goods.

Educational Integration

Research is bolstered by the presence of international PhD students and researchers (e.g., from France, Spain, and Mauritius).

• Industrial PhDs: Doctoral candidates, such as those supported by the Castiglione company, are required to spend significant periods (e.g., six months) directly within the industrial environment to bridge the gap between academic research and commercial application.
• International Mobility: The programs emphasize global collaboration, with mandatory periods of study or research in locations such as Tunisia.

Analytical Methodologies and Equipment

The facility is equipped to perform deep-dive nutritional and chemical analyses of marine products, focusing on the impact of farming conditions, diet, and stress on fish quality.

Primary Analytical Tools

Tool/Method	Application
Gas Chromatography (GC-FID)	Analysis of specific fatty acid compounds (Omega-3 and Omega-6) to identify differences across fish breeds.
Kjeldahl Method	Determination of protein content in fish samples.
Nutritional Profiling	Measurement of lipid content, water, ash, and minerals to establish nutritional baselines.
Cell Culture Testing	Using human, mouse, and fish cell lines to test the efficacy of marine-derived compounds using standardized molecular protocols.

Kjeldahl Apparatus  

A major focus of the laboratory is the development of clean technologies for extracting high-value molecules from marine biomass, moving away from traditional toxic solvents.

Supercritical Fluid Extraction

• Process: Utilizing supercritical CO₂ to extract fish oils and antioxidants (carotenoids and polyphenols).
• Benefits: This method avoids toxic organic solvents, ensuring the extracts are pure and safe for direct use in the pharmaceutical and cosmetics sectors.

Short Distillation and Refinement

To further enhance the quality of marine oils, the lab employs a short distillation system:

• Selective Separation: By controlling temperature and reaction time, researchers separate saturated fats from unsaturated fats.
• Omega-3 Concentration: This process enriches the oil, producing highly concentrated Omega-3 products through the elimination of undesirable fractions.

Algal Bioremediation and Circular Economy

The laboratory applies biotechnological principles to address environmental challenges and promote a circular economy through the use of microalgae.

Bioremediation of Water

Microalgae are employed to improve water quality by leveraging their ability to consume excess nutrients. These organisms modify their internal metabolism based on nutrient availability, effectively eliminating nutrient overloads in the water.

Conclusion

By integrating high-level academic research with the practical needs of the Trapani industrial sector—most notably the tuna industry—the facility does more than just analyze fish; it drives the local economy toward a more sustainable and technologically advanced future.

The laboratory’s commitment to "Green Chemistry" through supercritical $CO_2$ extraction and the development of circular economy models via microalgae bioremediation highlights a forward-thinking approach to environmental stewardship. As the facility continues to host international researchers and foster "Industrial PhDs," it serves as a vital bridge between the sea's natural resources and the global market's demand for high-purity, sustainable marine products.