Figure 1.
Effect of extraction solvent concentration (aq ethanol/acetone: 1 = 10%, 2 = 20%, 3 = 40%, 4 = 60%, 5 = 80%, and 6 = 100%; aq NaOH: 1 = 0.05%, 2 = 0.1%, 3 = 0.2%, 4 = 0.5%, 5 = 1.5%, and 6 = 2%) on polyphenol content.
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