Pulsed electric field (PEF) recovery of biomolecules from Chlorella : Extract efficiency, nutrient relative value, and algae morphology analysis
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Pulsed electric field (PEF) recovery of biomolecules from Chlorella : Extract efficiency, nutrient relative value, and algae morphology analysis

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Pulsed electric field (PEF) recovery of biomolecules from Chlorella : Extract efficiency, nutrient relative value, and algae morphology analysis

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Wang, Min; Zhou, Jianjun; Castagnini, Juan Manuel; Berrada Ramdani, Houda; Barba Orellana, Francisco José Perfil
This document is a artículoDate2023
This study investigated the effects of pulsed electric field (PEF) (3 kV/cm, 44 pulses, 99 kJ/kg), solvent (H2O or 50 % DMSO) and time (0, 10, 20, 30, 60, 90, 120 and 180 min) on the extraction of Chlorella antioxidant biomolecules and minerals. The results showed that PEF treatment increased the biomolecules recovery. For the extraction time of 120 min, more proteins and polyphenols were obtained using water, while more chlorophyll a and b, and carotenoids were obtained using 50 % DMSO as the extraction solvent. The extracts mineral concentration (PEF vs control) were analysed including Mg, P, Ca, Fe and Zn, and the Relative Nutrient Values results indicated that Chlorella H2O-extracts could be used as a mineral source for different populations. Finally, the fluorescence and scanning electron microscopy revealed the electroporation effect of PEF.

    Wang, Min Zhou, Jianjun Castagnini, Juan Manuel Berrada Ramdani, Houda Barba Orellana, Francisco José 2023 Pulsed electric field (PEF) recovery of biomolecules from Chlorella : Extract efficiency, nutrient relative value, and algae morphology analysis Food Chemistry
https://doi.org/10.1016/j.foodchem.2022.134615

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