Assessing the application of marine microalgae Dunaliella salina in a biorefinery context: production of value-added biobased products

Author(s)

Felix, Fellipe Cesar Cardoso de Souza ; Hidalgo, Vitor Bertolassi ; de Carvalho, Ana Karine Furtado ; Caetano, Nidia de Sa ; Da Ros, Patricia Caroline Molgero

• Document type: Journal article
• Source: BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR; v. 18, n. 2, p. 14-pg., 2024-01-09.

Abstract

Microalgae are a rich source of bioactive compounds such as pigments, carbohydrates, lipids, proteins, and other substances of interest. Thus, given the possible variety of products that can be obtained from them, it is important to determine their biochemical composition, taking into consideration the species and cultivation conditions, so that they can be used as feedstock in biorefineries, with the aim of using all the biomass in the biorefining processes and increasing its economic viability. This work aimed to characterize the biochemical composition of the microalgae Dunalliela salina in a multi-product biorefinery context, focusing on the production of high value-added compounds such as pigments and biofuels. The biomass concentration obtained was 1.15 g<middle dot>L-1 and the volumetric productivity was 164.28 mg<middle dot>L-1<middle dot>day(-1), providing fractions of 23.86 +/- 0.24% of lipids, 10.80 +/- 0.86% of carbohydrates, and 5.71 +/- 0.50% of proteins. The microalgal biomass contained pigment concentrations of 0.896 and 0.5380 mg<middle dot>g(-1)of chlorophylls a and b, and 0.2043 mg<middle dot>g(-1) of total carotenoids. Thus, the data suggest that D. salina has biotechnological potential for application in integrated multi-product biorefineries, focused on obtaining energy and high added value products simultaneously.<br />(c) 2024 Society of Industrial Chemistry and John Wiley & Sons Ltd. (AU)

• FAPESP's process: 21/10767-3 - Extraction and characterization of bioproducts obtained from microalgae
• Grantee: Fellipe Cesar Cardoso de Souza Felix
• Support Opportunities: Scholarships abroad - Research Internship - Scientific Initiation
• FAPESP's process: 21/02677-4 - Obtaining bioproducts in the context of a sustainable microalgae-based biorrefinery
• Grantee: Fellipe Cesar Cardoso de Souza Felix
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• FAPESP's process: 22/06209-8 - Study of microalgal biochar's potential as a support for obtaining sustainable biocatalysts on the context of biorefineries aiming the synthesis of biofuels
• Grantee: Patricia Caroline Molgero da Rós
• Support Opportunities: Regular Research Grants