Fig. 1 | Scientific Reports

Fig. 1

From: Extraction of lichen bioactive compounds using volatile natural deep eutectic solvents and comparative analytical approaches

Fig. 1

Thermostability of physodalic acid, 3-hydroxyphysodic acid, physodic acid, atranorin, and chloroatranorin at three temperatures (40 °C, 60 °C, and 80 °C), with the control sample stored at room temperature. (a) A mixture of lichen compounds dissolved in DMSO was subjected to a 15-min incubation in an incubator at various temperatures. (b) A mixture of lichen compounds dissolved in acetone was exposed to temperature treatment using an accelerated solvent extraction (ASE) system. Data are mean ± SD (n = 3), *p < 0.05, **p < 0.01, ***p < 0.001 compared to the control.

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