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|Title:||Extraction properties of new polymeric sorbents applied to wine|
|Citation:||Journal of Agricultural and Food Chemistry, 2018; 66(38):10086-10096|
|Publisher:||American Chemical Society|
|Chen Liang, Paul K. Boss and David W. Jeffery|
|Abstract:||Polymeric sorbents are frequently used in wine, either as solid phase extraction materials for isolation of analytes or as sorptive materials for removal of undesirable compounds (amelioration). Six new polymeric sorbents were produced thermally or in a microwave from various ratios of methacrylic acid, acrylic acid, and 4-vinylbenzoic acid as hydrophilic monomers, together with ethylene glycol dimethacrylate as cross-linker, using different porogen solvents. The relationship between physicochemical properties (pore size, surface area, and polarity) of the sorbents and their sorption properties for compounds in wine was investigated and compared to four commercially available sorbents. With some similarities to their commercial counterparts depending on hydrophobic and hydrophilic characteristics, the six new sorbents showed specificity toward different groups of compounds (e.g., volatiles and phenolics) and could be applied for targeted purposes. The results provide insight into the selection and utilization of new polymeric materials for extraction of components from wine.|
|Keywords:||Gas adsorption isotherms; pore size distribution; hydrophobic; hydrophilic; GC - MS|
|Rights:||© 2018 American Chemical Society|
|Appears in Collections:||Agriculture, Food and Wine publications|
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