Solubilities of Three Flavonoids in Different Natural
Deep Eutectic Solvents at <i>T</i> = (288.15 to 328.15)
K
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Abstract
The
solubilities of phloretin, phlorizin, and naringin dihydrochacone
(naringin DC) respectively were determined in a ternary system made
of natural deep eutectic solvents (NADES) at the temperature range
from 288.15 to 328.15 K with an analytical method. Compared with the
solubility of phloretin in water, there was a dramatic improvement
in the solubility of phloretin in the selected NADES, especially in
CCiH and CSH. The density and viscosity of four kinds of NADES choline
chloride + glucose + H<sub>2</sub>O, choline chloride + citric acid
+ H<sub>2</sub>O, citric acid + glucose + H<sub>2</sub>O, and choline
chloride + sucrose + H<sub>2</sub>O were studied in this work. The
solubility data were correlated with Apelblat equation and <i>位h</i> equation. The fitted results showed that the models
are capable of representing the data with high accuracy
