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. 2020 Oct 21;5(43):27990–28000. doi: 10.1021/acsomega.0c03396

Figure 6.

Figure 6

(a) Response surface plots showing the percentage of polyphenol content from aqueous acetone extraction at varying extraction temperatures and extraction times (C = 60%, V = 20). (b) Response surface plots showing the percentage of polyphenol content from aqueous acetone extraction at varying solvent concentrations and extraction temperatures (t = 90 min, V = 20). (c) Response surface plots showing the percentage of polyphenol content from aqueous acetone extraction at varying solvent concentrations and extraction times (T = 50 °C, V = 20).