Fig. 7 shows that the MAG, DAG and phosphorus contents of the
oils decreased during the liquid–liquid extraction. The amounts of
monoacylglycerols (MAG) and diacylglycerols (DAG) transferred
between the phases were very similar for the first RBOr, RBOc
and RBOd extract streams. The phosphorus transfer from the
degummed or crude oil to the alcohol phase was approximately
14%. It can be inferred that the raw material characteristics do
not impact the amount of phosphorus, MAG and DAG transferred.
Conversely, Fig. 7 shows that the amounts extracted during the
second to fifth refining steps were lower than that extracted during
the first step, indicating that the solubility limit for these compounds
in the ethanolic solvent might have been reached. Rodrigues
et al. [23] showed that in liquid–liquid extraction, the losses
of neutral oil and nutraceutical compounds are mainly determined
by their solubilities in the solvent
Fig. 7 shows that the MAG, DAG and phosphorus contents of theoils decreased during the liquid–liquid extraction. The amounts ofmonoacylglycerols (MAG) and diacylglycerols (DAG) transferredbetween the phases were very similar for the first RBOr, RBOcand RBOd extract streams. The phosphorus transfer from thedegummed or crude oil to the alcohol phase was approximately14%. It can be inferred that the raw material characteristics donot impact the amount of phosphorus, MAG and DAG transferred.Conversely, Fig. 7 shows that the amounts extracted during thesecond to fifth refining steps were lower than that extracted duringthe first step, indicating that the solubility limit for these compoundsin the ethanolic solvent might have been reached. Rodrigueset al. [23] showed that in liquid–liquid extraction, the lossesof neutral oil and nutraceutical compounds are mainly determinedby their solubilities in the solvent
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