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Triacyl Glycerols from Yeast-Catalyzed Batch and Fed-Batch Bioconversion of Hydrolyzed Lignocellulose from Cardoon Stalks
oleh: Domenico Aiello, Ciro Sannino, Tommaso Giannoni, Giacomo Fabbrizi, Mattia Gelosia, Andrea Nicolini, Benedetta Turchetti, Franco Cotana, Pietro Buzzini
Format: | Article |
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Diterbitkan: | MDPI AG 2021-12-01 |
Deskripsi
The lipogenic ability of the yeast <i>Solicoccozyma terricola</i> DBVPG 5870 grown on hydrolyzed lignocellulose obtained from cardoon stalks was evaluated. Data on cell biomass, lipid production, and fatty acid profiles of triacylglycerols obtained in batch and fed-batch experiments were carried out at the laboratory scale in a 5L fermenter, and at two different temperatures (20 and 25 °C) were reported. The higher production of total intracellular lipids (13.81 g/L) was found in the fed-batch experiments carried out at 20 °C. <i>S. terricola</i> exhibited the ability to produce high amounts of triacylglycerol (TAGs) with a characteristic fatty acids profile close to that of palm oil. The TAGs obtained from <i>S. terricola</i> grown on pre-treated lignocellulose could be proposed as a supplementary source of oleochemicals. Indeed, due to the rising prices of fossil fuels and because of the environmental-related issues linked to their employment, the use of TAGs produced by <i>S. terricola</i> grown on lignocellulose could represent a promising option as a supplementary oleochemical, especially for biodiesel production.