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Adsorption separation of olive polyphenols from olive oil processing effluent by AB-8 macroporous resin
  
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KeyWord:olive polyphenols  olive oil processing effluent  AB-8 macroporous resin  adsorption  desorption
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Author NameAffiliation
BAI Wanming  
HUANG Gensheng  
KONG Weibao  
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Abstract:
      The olive polyphenols (OPP) were separated from olive oil processing effluent using AB-8 macroporous resin. The process conditions of static adsorption, static desorption and dynamic elution were investigated respectively. The results showed that the optimal static adsorption conditions were obtained as follows: dosage of pretreated resin 1.5 g, adsorption time 3 h and adsorption temperature 30℃, under these conditions,the adsorption capacity of 20 mL crude extract diluent (OPP mass concentration 1.52 mg/mL) reached 14.43 mg/g; the optimal dynamic elution conditions were obtained as follows: elution rate 1.0 mL/min, subsection elution with water, 70% and 90% of ethanol solutions. Under the combined condition of static adsorption and dynamic subsection elution, the purity of OPP after purification was 56.44%,which was 7.93 times as high as that of crude extract diluent.
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