Optimization of <i>Pavlova gyrans</i> biomass production and the fatty acid profile using a two-step approach

Maciel, Filipe; Couto, Daniela; Geada, Pedro; Pereira, Hugo; Teixeira, José; Domingues, M. Rosário; Silva, Joana; Vicente, António

doi:10.1039/d3fb00110e

Sustainable Food Technol.

2023

DOI: 10.1039/d3fb00110e

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Optimization of Pavlova gyrans biomass production and the fatty acid profile using a two-step approach

Filipe Maciel,

Daniela Couto,

Pedro Geada

et al.

Abstract: A multivariate optimization approach significantly improved Pavlova gyrans biomass production and its nutritional composition.

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2024

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Cited by 2 publications

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The potential of Pavlovophyceae species as a source of valuable carotenoids and polyunsaturated fatty acids for human consumption

Maciel,

Madureira,

Geada

et al. 2024

Biotechnology Advances

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The potential of Pavlovophyceae species as a source of valuable carotenoids and polyunsaturated fatty acids for human consumption

Maciel,

Madureira,

Geada

et al. 2024

Biotechnology Advances

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Identification and optimization of the key growth parameters involved in carotenoids production of the marine microalga Pavlova gyrans

Maciel,

Berni,

Geada

et al. 2024

Sci Rep

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In this work, a multivariate analysis was carried out, using a Plackett–Burman (PB) design involving seventeen growth parameters, on carotenoids production of Pavlova gyrans (p < 0.10). Each assay was analysed regarding its content (mg g−1) of fucoxanthin (Fx), diatoxanthin, diadinoxanthin, β-carotene (βCar), α-carotene, and the sum of all carotenoids analysed individually (TCar). According to the statistical analysis, modified medium formulations were developed for the particular cases of Fx, βCar, and TCar. The study showed that Fx content was positively affected by nitrogen supplementation and lower light intensities. Higher concentrations of nitrogen and iron increased the final content of βCar as well. Similarly, salinity, light intensity, nitrogen, iron, and cobalt were identified as key factors in TCar production. The PB-based formulations showed significant improvements (p < 0.05) for TCar (11.794 mg g−1) and Fx (6.153 mg g−1) when compared to the control conditions (Walne’s medium—2.010 mg g−1). Furthermore, effective control of key variables (e.g., light intensity) throughout P. gyrans growth proved successful (p < 0.05), increasing the productivity of Fx (0.759 mg L−1 d−1) and TCar (1.615 mg L−1 d−1).

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Optimization of Pavlova gyrans biomass production and the fatty acid profile using a two-step approach

Abstract: A multivariate optimization approach significantly improved Pavlova gyrans biomass production and its nutritional composition.

Cited by 2 publications

References 64 publications

The potential of Pavlovophyceae species as a source of valuable carotenoids and polyunsaturated fatty acids for human consumption

The potential of Pavlovophyceae species as a source of valuable carotenoids and polyunsaturated fatty acids for human consumption

Identification and optimization of the key growth parameters involved in carotenoids production of the marine microalga Pavlova gyrans

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