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Molecules 2018, 23(1), 139;

Preparative Purification of Polyphenols from Aronia melanocarpa (Chokeberry) with Cellular Antioxidant and Antiproliferative Activity

Department of Food Science, College of Food, Shenyang Agriculture University, Shenyang 110161, China
Author to whom correspondence should be addressed.
Received: 8 December 2017 / Revised: 9 January 2018 / Accepted: 9 January 2018 / Published: 10 January 2018
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The aim of this study was the purification process of polyphenols from Aronia melanocarpa (chokeberry), and the purification parameters were optimised by adsorption and desorption tests. By comparing adsorption and desorption ability of polyphenols from chokeberry on six kinds of macroporous resin, XAD-7 resin was selected. Experiments prove that the best purification parameters of static adsorption and desorption were sample pH = 4.0 with 4 h of adsorption; and desorption solvent is 95% ethanol (pH = 7.0) with 2 h of desorption. The best dynamic parameters were 9.3 bed volume (BV) of sample loading amount at a feeding flow rate of 2 BV/h, and washing the column with 5.8 BV of water, followed by subsequent elution with an eluent volume of 5.0 mL at an elution flow rate of 2 BV/h. Next the antioxidant and antiproliferative activity of polyphenols from chokeberry, blueberries, haskap berries was studied on HepG2 human liver cancer cells. The results show that polyphenol from chokeberry has a strong antioxidant effect. Taking into account the content of polyphenols in fruit, polyphenols from chokeberry represent a very valuable natural antioxidant source with antiproliferative products. View Full-Text
Keywords: Aronia melanocarpa; polyphenols; purification; antioxidant; antiproliferative Aronia melanocarpa; polyphenols; purification; antioxidant; antiproliferative

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Gao, N.; Wang, Y.; Jiao, X.; Chou, S.; Li, E.; Li, B. Preparative Purification of Polyphenols from Aronia melanocarpa (Chokeberry) with Cellular Antioxidant and Antiproliferative Activity. Molecules 2018, 23, 139.

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