Characterization of Proanthocyanidins from Seeds of Perennial Ryegrass (Lolium perenne L.) and Tall Fescue (Festuca arundinacea) by Liquid Chromatography-Mass Spectrometry
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Fraser, Karl, Collette, Vern and Hancock Kerry R.. 2016. "Characterization of Proanthocyanidins from Seeds of Perennial Ryegrass (Lolium perenne L.) and Tall Fescue (Festuca arundinacea) by Liquid Chromatography-Mass Spectrometry." Journal of Agricultural and Food Chemistry. 64 (35), pp. 6676-6684. https://doi.org/10.1021/acs.jafc.6b02563
| Article Title | Characterization of Proanthocyanidins from Seeds of Perennial Ryegrass (Lolium perenne L.) and Tall Fescue (Festuca arundinacea) by Liquid Chromatography-Mass Spectrometry |
|---|---|
| ERA Journal ID | 1349 |
| Article Category | Article |
| Authors | Fraser, Karl, Collette, Vern and Hancock Kerry R. |
| Journal Title | Journal of Agricultural and Food Chemistry |
| Journal Citation | 64 (35), pp. 6676-6684 |
| Number of Pages | 9 |
| Year | 2016 |
| Publisher | American Chemical Society |
| Place of Publication | United States |
| ISSN | 0021-8561 |
| 1520-5118 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1021/acs.jafc.6b02563 |
| Web Address (URL) | https://pubs.acs.org/doi/10.1021/acs.jafc.6b02563 |
| Abstract | Perennial ryegrass (Lolium perenne) and tall fescue (Festuca arundinacea) are forage species of the grass family (Poaceae) that are key components of temperate pasture-based agricultural systems. Proanthocyanidins (PAs) are oligomeric flavonoids that, when provided as part of a farm animal's diet, have been reported to improve animal production and health. Up to now, forage grasses have been deemed not to produce PAs. This paper reports for the first time the detection of polymerized PAs in aqueous methanolic extracts of seed tissue of both perennial ryegrass and tall fescue, using LC-MS/MS. We have determined the structure of the PAs to be trans-flavan-3-ol-based, consisting predominately of afzelechin and catechin and linked primarily by B-type bonds. Investigations into the leaf tissue of both species failed to detect any PAs. This discovery opens the possibility of using genetic engineering tools to achieve tannin accumulation in leaf tissue of perennial ryegrass and tall fescue. |
| Keywords | afzelechin; condensed tannins; electrospray mass spectrometry; Festuca arundinacea; forage grasses; LC-MS/MS; Lolium perenne; oligomers; perennial ryegrass; proanthocyanidin; procyanidins; propelargonidins; tall fescue |
| ANZSRC Field of Research 2020 | 300499. Crop and pasture production not elsewhere classified |
| Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
| PubMed ID | 27532250 |
| Byline Affiliations | AgResearch, New Zealand |
| Office of Research |
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