Fractionation of Polymeric Procyanidins from Lowbush Blueberry and Quantification of Procyanidins in Selected Foods with an Optimized Normal-Phase HPLC−MS Fluorescent Detection Method

Gu, Liwei; A. Kelm, Mark; F. Hammerstone, John; R. Beecher, Gary; Cunningham, David; Vannozzi, Sarah; L. Prior, Ronald

doi:10.1021/jf020214v

Public

Fractionation of Polymeric Procyanidins from Lowbush Blueberry and Quantification of Procyanidins in Selected Foods with an Optimized Normal-Phase HPLC−MS Fluorescent Detection Method

Published in Journal of Agricultural and Food Chemistry • Jul 17, 2002

Authors:

Liwei Gu

Mark A. Kelm

John F. Hammerstone

Abstract

The polymeric procyanidins were fractionated from lowbush blueberry on a Sephadex LH-20 column. The degree of polymerization (DP) for the polymers was determined by thiolysis to be in a range of 19.9 to 114.1. Normal-phase HPLC analysis indicated that the polymeric procyanidins did not contain oligo...

Subject

Thiolysis

Chemistry

Chromatography

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