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. 2021 Jun 21;76:105638. doi: 10.1016/j.ultsonch.2021.105638

Fig. 5.

Fig. 5

Extract polarity switching from hydrophobic to hydrophilic and carotenoids precipitation as results of polarity switch: a) water addition to the hydrophobic NADES extract causing the formation of two phases; b) change in the polarity of NADES extract; c) single phase formation after brief vortex stirring; d) precipitation of carotenoids in a polar phase.