Evaluation of an Integrated Ultrafiltration/Solid Phase Extraction Process for Purification of Oligomeric Grape Seed Procyanidins

被引:9
作者
Gutierrez-Docio, Alba [1 ]
Almodovar, Paula [1 ,2 ]
Moreno-Fernandez, Silvia [1 ]
Manuel Silvan, Jose [3 ]
Martinez-Rodriguez, Adolfo J. [3 ]
Luis Alonso, Gonzalo [4 ]
Prodanov, Marin [1 ]
机构
[1] Univ Autonoma Madrid, Inst Invest Ciencias Alimentac CIAL, Dept Prod & Characterizat Novel Foods, Funct Food Ingredients Grp,CSIC,CEI, C Nicolas Cabrera 9,Campus Cantoblanco, Madrid 28049, Spain
[2] Pharmact Biotech Prod SL, Parque Cient Madrid, Madrid 28049, Spain
[3] Univ Autonoma Madrid, Inst Invest Ciencias Alimentac CIAL, Dept Biotechnol & Food Microbiol, Microbiol & Food Biocatalysis Grp,CSIC,CEI, C Nicolas Cabrera 9,Campus Cantoblanco, Madrid 28049, Spain
[4] Univ Castilla La Mancha, ETSI Agronomos & Montes, Catedra Quim Agr, Avda Espana S-N, Albacete 02071, Spain
关键词
grape seed extract; purification; tangential-flow pressure-driven membrane ultrafiltration; solid-phase extraction; oligomeric procyanidins; CONDENSED TANNINS; PROANTHOCYANIDINS; ANTIBACTERIAL; DOXORUBICIN; SEPARATION; NUTRITION; DIMERS; ACID; L;
D O I
10.3390/membranes10070147
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The effectiveness of a preparative integrated ultrafiltration/solid-phase extraction (UF/SPE) process for purification of oligomeric procyanidins (OPCs) from a crude grape seed extract (GSE) was studied for the first time. The separation of OPCs from polymeric procyanidins (PPCs) by UF was very efficient. The membrane showed an acceptable filtration flux of 6 to 3.5 L/h center dot m(2)at 0.5 bar of transmembrane pressure and 95% recovery of its water flux after chemical cleaning. The process was scalable to a pilot scale. The separation of very polar and ionic species from OPCs by SPE (XAD7HP and XAD16 resins) was also very good, but both adsorbents lost their retention capacities quickly, due probably to irreversible retention of OPCs/PPCs. Even though the global purification of OPCs by the integrated UF/SPE process allowed the recovery of 24.2 g of highly purified OPCs (83% purity) from 14.4 L of crude grape seed extract, the use of these adsorbents for further purification of the OPCs was very limited.
引用
收藏
页码:1 / 15
页数:16
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