Valorization of Microalgal Biomass

The use of microalgae for high value applications such as food ingredients, feed proteins, cosmetics, pharma and nutraceuticals represents a promising way of increasing the cost competitiveness and diminishing the pressure on land resources. The laboratory of Phycobiotechnology of the Institute of Microbiology and Biotechnology of the Academy of Sciences of Moldova has developed a series of innovative technologies for the cultivation of microalgae, separation of the chemical components present in biomass and their valorization into high added value applications. Based on an ecological approach, these technologies concern the production of antioxidants and pigments (β-carotene, astaxanthin, phycocyanin, phycoerythrin), proteins and essential amino acids, polysaccharides, lipids and unsaturated fatty acids, bio components and bio additives, etc., using new strains of Arthrospira (Spirulina) platensis, Nostoc linckia, Dunaliella salina, Haematococcus pluvialis and Porphyridium cruentum. The studies include optimization of the cultivation, separation, extraction and purification process and evaluation of the bioactive properties in view of their application. Moreover, our recent studies have focused on the use of microalgae cultures to synthesize nanoparticles as an alternative to chemical approach.

Author(s): Svetlana Codreanu

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