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Carob pulp syrup: A potential Mediterranean carbon source for carotenoids production by Rhodosporidium toruloides NCYC 921

Martins, Vasco ; Dias, Carla ; Caldeira, João ; Duarte, Luís C. ; Reis, Alberto ; Lopes da Silva, Teresa

Bioresource technology reports, 2018-09, Vol.3, p.177-184 [Periódico revisado por pares]

Elsevier Ltd

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  • Título:
    Carob pulp syrup: A potential Mediterranean carbon source for carotenoids production by Rhodosporidium toruloides NCYC 921
  • Autor: Martins, Vasco ; Dias, Carla ; Caldeira, João ; Duarte, Luís C. ; Reis, Alberto ; Lopes da Silva, Teresa
  • Assuntos: Carob pulp syrup ; Carotenoids ; Cell viability ; Flow cytometry ; Rhodosporidium toruloides
  • É parte de: Bioresource technology reports, 2018-09, Vol.3, p.177-184
  • Descrição: Carob pulp syrup (CPS) was used as carbon source to produce carotenoids from Rhodosporidium toruloides. To increase the carbon concentration in the growth medium aiming at the carotenoid production improvement, the CPS was concentrated and two different total sugar (TS) concentrations (195.6 g/L and 548.7 g/L) were studied. CPS 195.6 g/L TS contained 4.1 g/L and 0.7 g/L of hydroxymethyl furfural (HMF) and furfural, respectively. CPS 548.7 g/L TS contained 17.7 g/L of HMF and 1.2 g/L of furfural, respectively. >42% of metabolically active cells (with intact membrane and enzymatic activity) were detected throughout the course of the yeast cultivation on CPS 195.6 g/L TS. On the contrary, the proportion of metabolically active cells was always below 28% during the yeast cultivation on CPS 548.7 g/L TS. Nevertheless, the maximum carotenoid content and productivity (0.42 mg/g and 0.43 mg/Lh, respectively) were obtained when using CPS 548.7 g/L TS. •Carob pulp syrup (CPS) was used as carbon source in media formulation.•CPS solutions with 195.0 and 548.7 g/L of total sugars were tested for yeast growth.•Concentrated CPS (548.7 g/L) induced the highest stress level in the yeast cells.•Concentrated CPS induced the highest biomass and carotenoids yeast production.
  • Editor: Elsevier Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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