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- Title
Evaluating the Effect of Trace Metal Salts on Lipid Accumulation Ability of Rhodosporidium toruloides-1588 Using Wood Hydrolysate as a Carbon Source.
- Authors
Saini, Rahul; Gonzalez, Carlos Saul Osorio; Hegde, Krishnamoorthy; Brar, Satinder Kaur; Vezina, Pierre
- Abstract
Rhodosporidium toruloides have been considered as a potential feedstock for lipid accumulation. Several studies have been conducted to enhance lipid productivity; however, studies on the effects of trace metals on R. toruloides-1588 are limited. In this sense, the present study investigates the effect of five trace metal salts on the lipid accumulation of R. toruloides-1588. Trace metal salts such as iron and manganese resulted in the highest cell mass production of 17.5 and 17 g/L, respectively, while magnesium and copper lead to the maximum lipid yield of 40 and 36.7% (w/w), respectively. The maximum lipid accumulation was observed in magnesium-supplemented media and was twice the amount observed in control hydrolysate. Additionally, supplementation of trace metal salts led to the maximum production of linoleic acid of 31.27% along with the production of several long-chain unsaturated fatty acids such as docosahexaenoic acid and eicosatrienoic acid, which will strengthen the potential of R. toruloides-1588 as a feedstock not only for biofuel industries but also for pharmaceutical as well as food industries.
- Subjects
TRACE metals; WOOD; UNSATURATED fatty acids; LINOLEIC acid; COPPER; DOCOSAHEXAENOIC acid; LIPIDS
- Publication
BioEnergy Research, 2023, Vol 16, Issue 3, p1769
- ISSN
1939-1234
- Publication type
Article
- DOI
10.1007/s12155-022-10521-2