A Green and Efficient Method for the Preconcentration and Determination of Gallic Acid, Bergenin, Quercitrin, and Embelin from<i> Ardisia japonica</i> Using Nononic Surfactant Genapol X-080 as the Extraction Solvent

<div>Effect of some parameters of cloud point extraction on the extraction effect of 4 components: (a) liquid to solid ratio (mL/g); (b) type of salt; (c) concentration of NaH2PO4 (%, m/v); (d) water-bath temperature (°C). 1, gallic acid; 2, bergenin; 3, quercitrin; 4, embelin.</div>

International Journal of Analytical Chemistry

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Figure 4

Figure 4: A Green and Efficient Method for the Preconcentration and Determination of Gallic Acid, Bergenin, Quercitrin, and Embelin from<i> Ardisia japonica</i> Using Nononic Surfactant Genapol X-080 as the Extraction Solvent 

Figure 4 | A Green and Efficient Method for the Preconcentration and Determination of Gallic Acid, Bergenin, Quercitrin, and Embelin from Ardisia japonica Using Nononic Surfactant Genapol X-080 as the Extraction Solvent 