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Feng Y.-C.,Huazhong University of Science and Technology | Feng Y.-C.,Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica | Li W.-L.,Huazhong University of Science and Technology | Li W.-L.,Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica | And 12 more authors.
Separation Science and Technology (Philadelphia) | Year: 2015

Fig fruits (Ficus carica L.) are an excellent source of phenolic compounds. However, the presence of free sugars affects the quality of phenolic compounds. In this study, aqueous two-phase system was selected for purification of the phenolic compounds. The optimization of system parameters rendered conditions (ethanol 18% (w/w), K2HPO4 25% (w/w), temperature 10-30ºC, and sample loading 3% (w/w)), under which more than 75% of phenolic compounds and 95% sugars were respectively recovered in the top and bottom phase. Moreover, some specific phenolic compounds content was enhanced and relatively high antioxidant activity was found after the purification process. Copyright © Taylor & Francis Group, LLC. Source

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