publication . Doctoral thesis . 2002

Monomeric Ellagitannins in Oaks and Sweetgum

Lei, Zhentian;
Open Access
  • Published: 25 Apr 2002
  • Publisher: Virginia Tech
  • Country: United States
Abstract
Ellagitannins are plant phenolics characterized by biaryl-coupled gallic acid moieties esterified to a D-glucose core. They are widely distributed through higher plants. In the case of oaks, ellagitannin concentrations in heartwood can reach up to 10% (dry wt. basis). These secondary metabolites are not only important physiologically but also influence the economic value and quality of wood products that contain them. Efforts were made to develop and validate the methods used to quantify both soluble and insoluble ellagitannins. First, the efficiencies of the two commonly used extraction solvents, aqueous acetone and aqueous methanol were evaluated. The results ...
Subjects
free text keywords: Oak, HPLC/ESI-MS, Sweetgum, Ellagitannins
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Doctoral thesis . 2002
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