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. 2019 Dec 13;24(24):4578. doi: 10.3390/molecules24244578

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Response surface showing the adsorption of total phenolics as a function of pH and ethanol concentration for (A) ‘low’ and (B) ‘high’ temperature (10 °C and 20 °C respectively).