Interplay between interfacial behaviour, cell structure and shear enables biphasic lipid extraction from whole diatom cells (Navicula sp.)
Bhagya Yatipanthalawa, Wu Li, David RA Hill, Zlatan Trifunovic, Muthupandian Ashokkumar, Peter J Scales, Gregory JO Martin
Journal of Colloid and Interface Science | ACADEMIC PRESS INC ELSEVIER SCIENCE | Published : 2021
HYPOTHESIS: Bacillariophyceae (i.e., diatoms) are an important class of algae with potential use in the production of proteins and lipids including long-chain ω-3 polyunsaturated fatty acids. Biphasic extraction of microalgae lipids using water-immiscible solvents such as hexane, can avoid the excessive energy required to distil solvents from water, but generally requires energy-intensive rupture of the cells. The unique cell structure and surface chemistry of diatoms compared to other microalgae species might allow biphasic lipid extraction without prior cell rupture. EXPERIMENTS: The kinetics of biphasic lipid extraction from intact Navicula sp. cells was investigated during low-shear and ..View full abstract
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Awarded by Australian Research Council (ARC)
We acknowledge the Australian Research Council (ARC) for providing funding through the Discovery Projects Grant Scheme (DP170103791) and the University of Melbourne for providing infrastructure support. B. Yatipanthalawa is grateful to the University of Melbourne for providing a Melbourne Research Scholarship. The authors would also like to highlight their affiliation with the Future Food Hallmark Research Initiative of The University of Melbourne.