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https://hdl.handle.net/2440/13036
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Full metadata record
DC Field | Value | Language |
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dc.contributor.author | Kennedy, J. | - |
dc.contributor.author | Hayasaka, Y. | - |
dc.contributor.author | Vidal, S. | - |
dc.contributor.author | Waters, E. | - |
dc.contributor.author | Jones, G. | - |
dc.date.issued | 2001 | - |
dc.identifier.citation | Journal of Agricultural and Food Chemistry, 2001; 49(11):5348-5355 | - |
dc.identifier.issn | 0021-8561 | - |
dc.identifier.issn | 1520-5118 | - |
dc.identifier.uri | http://hdl.handle.net/2440/13036 | - |
dc.description.abstract | The composition of grape (Vitis vinifera L. cv. Shiraz) skin proanthocyanidins has been determined at different stages of berry development. Beginning approximately 3 weeks after fruit set and concluding at commercial ripeness, the composition of isolated skin proanthocyanidins was determined using the following analytical techniques: elemental analysis, UV-Vis absorption spectroscopy, reversed-phase HPLC after acid-catalysis in the presence of excess phloroglucinol, gel permeation chromatography, electrospray ionization mass spectrometry (ESI-MS), and (13)C NMR. On the basis of these analyses, berry development was correlated with an increase in proanthocyanidin mean degree of polymerization, an increase in the proportion of (-)-epigallocatechin extension subunits, and increases in the level of anthocyanins associated with the proanthocyanidin fraction. Additionally, data acquired from ESI-MS of the isolates following acid-catalysis in the presence of excess phloroglucinol is consistent with pectin-bound proanthocyanidins. | - |
dc.description.statementofresponsibility | James A. Kennedy, Yoji Hayasaka, Stéphane Vidal, Elizabeth J. Waters, and Graham P. Jones | - |
dc.language.iso | en | - |
dc.publisher | Amer Chemical Soc | - |
dc.rights | Copyright © 2001 American Chemical Society | - |
dc.source.uri | http://dx.doi.org/10.1021/jf010758h | - |
dc.subject | Proanthocyanidin | - |
dc.subject | tannin | - |
dc.subject | anthocyanin | - |
dc.subject | pigmented tannin | - |
dc.subject | pectin | - |
dc.subject | polygalacturonate | - |
dc.subject | galacturonic acid | - |
dc.subject | composition | - |
dc.subject | Vitis vinifera | - |
dc.subject | grape | - |
dc.subject | berry development | - |
dc.title | Composition of grape skin proanthocyanidins at different stages of berry development | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1021/jf010758h | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest 2 Wine Science publications |
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