Pectic arabinans in quinoa seeds (Chenopodium quinoa Willd.) are acylated with p-coumaric acid

Daniel Wefers; Catrin E. Tyl; Mirko Bunzel

doi:10.1094/CCHEM-10-14-0207-N

Pectic arabinans in quinoa seeds (Chenopodium quinoa Willd.) are acylated with p-coumaric acid

Daniel Wefers, Catrin E. Tyl, Mirko Bunzel

Food Science and Nutrition

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

A modified digestion method was used to hydrolyze large amounts of quinoa meal to study polysaccharide-bound phenolic acids. Besides the well-characterized oligosaccharide O-(2-O-trans-feruloyl-α-L-arabinofuranosyl)-(1→5)-L-arabinofuranose, O-(2-O-trans-coumaroyl-α-L-arabinofuranosyl)-(1→5)-L-arabinofuranose was isolated from the hydrolysate and identified by LC-MS, GC-MS, and NMR experiments. This study demonstrates for the first time that p-coumaric acid can be linked to pectic side chains of dicotyledonous plants.

Original language	English (US)
Pages (from-to)	401-404
Number of pages	4
Journal	Cereal Chemistry
Volume	92
Issue number	4
DOIs	https://doi.org/10.1094/CCHEM-10-14-0207-N
State	Published - Jul 1 2015

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title = "Pectic arabinans in quinoa seeds (Chenopodium quinoa Willd.) are acylated with p-coumaric acid",

abstract = "A modified digestion method was used to hydrolyze large amounts of quinoa meal to study polysaccharide-bound phenolic acids. Besides the well-characterized oligosaccharide O-(2-O-trans-feruloyl-α-L-arabinofuranosyl)-(1→5)-L-arabinofuranose, O-(2-O-trans-coumaroyl-α-L-arabinofuranosyl)-(1→5)-L-arabinofuranose was isolated from the hydrolysate and identified by LC-MS, GC-MS, and NMR experiments. This study demonstrates for the first time that p-coumaric acid can be linked to pectic side chains of dicotyledonous plants.",

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T1 - Pectic arabinans in quinoa seeds (Chenopodium quinoa Willd.) are acylated with p-coumaric acid

AU - Wefers, Daniel

AU - Tyl, Catrin E.

AU - Bunzel, Mirko

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AB - A modified digestion method was used to hydrolyze large amounts of quinoa meal to study polysaccharide-bound phenolic acids. Besides the well-characterized oligosaccharide O-(2-O-trans-feruloyl-α-L-arabinofuranosyl)-(1→5)-L-arabinofuranose, O-(2-O-trans-coumaroyl-α-L-arabinofuranosyl)-(1→5)-L-arabinofuranose was isolated from the hydrolysate and identified by LC-MS, GC-MS, and NMR experiments. This study demonstrates for the first time that p-coumaric acid can be linked to pectic side chains of dicotyledonous plants.

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