Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Biorefinery-Based Approach to Exploit Mixed Cultures of Lipomyces Starkeyi and Chloroidium saccharophilum for Single Cell Oil Production

Version 1 : Received: 29 December 2020 / Approved: 30 December 2020 / Online: 30 December 2020 (15:18:12 CET)

A peer-reviewed article of this Preprint also exists.

Zuccaro, G.; del Mondo, A.; Pinto, G.; Pollio, A.; De Natale, A. Biorefinery-Based Approach to Exploit Mixed Cultures of Lipomyces Starkeyi and Chloroidium Saccharophilum for Single Cell Oil Production. Energies 2021, 14, 1340. Zuccaro, G.; del Mondo, A.; Pinto, G.; Pollio, A.; De Natale, A. Biorefinery-Based Approach to Exploit Mixed Cultures of Lipomyces Starkeyi and Chloroidium Saccharophilum for Single Cell Oil Production. Energies 2021, 14, 1340.

Journal reference: Energies 2021, 14, 1340
DOI: 10.3390/en14051340

Abstract

The mutualistic interactions between the oleaginous yeast Lipomyces starkeyi and the green mi-croalga Chloroidium saccharophilum in mixed cultures were investigated to exploit possible syner-gistic effects. As a matter of facts, microalga could act as an oxygen generator for the yeast, while the yeast could provide carbon dioxide to microalga. A lignocellulosic hydrolysate from steam exploded Arundo donax (Giant reed) was used as low cost feedstock. The overall lipid content and lipid productivity obtained in the mixed culture treating the hydrolysate of Arundo donax were equal to 0.081 glipid.gbiomass-1 and 37.2 mglipid.L-1.d-1, respectively. They represented promising re-sults if compared to the model systems where synthetic media were used. This study provided new input for the integration of Single Cell Oil (SCO) production with agro-industrial feedstock and the fatty acid distribution mainly consisting of stearic (C18:0) and oleic acid (C18:1) allows promising applications in biofuels, cosmetics, food additives and other products of industrial interest.

Subject Areas

Mixed culture; Lipomyces starkeyi; Chloroidium saccharophilum; Single Cell Oils (SCOs); Arundo donax; biorefinery.

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