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, L.; Kelm, M.; Hammerstone, J.; Beecher, G.; Cunningham, David; A. Vannozzi, Sarah; Prior, R.

doi:10.1021/JF020214V

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Fractionation of polymeric procyanidins from lowbush blueberry and quantification of procyanidins in selected foods with an optimized normal-phase HPLC-MS fluorescent detection method.

Shared by NobleBlocks on Aug 1, 2002 • 12:00 AM UTC

Authors:

Gu L

Kelm M

Hammerstone JF

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...

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