Polyphenol content in white table grape (Vitis Vinifera) berries of cultivar Italia: interactive effect of irrigation, delayed harvest and storage.

Abstract:

:Polyphenol concentrations were quantified by rapid resolution liquid chromatography/mass spectrometry in white table grape. The experimental vineyard was subjected to different kinds of water supply and supply rates. Samples from the same vineyards were also analysed after 6 weeks of storage in a refrigerator and after 6 weeks of delayed harvesting. Berry skins and seeds were analysed separately. A statistical treatment of the screening kind, namely the 2(k) full factorial design, was used for the interpretation of results. Storage, delayed harvesting and the different kinds of water supply appeared to be the variables most affecting grape polyphenol content. In some cases, results showed that polyphenol content diminished by more than 50% after 6 weeks if the grapes were stored in a refrigerator, or if a sprinkler was used for irrigation.

journal_name

Nat Prod Res

journal_title

Natural product research

authors

Capriotti AL,Caruso G,Cavaliere C,Foglia P,Laganà A,Samperi R

doi

10.1080/14786419.2011.606623

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

1787-95

issue

19

eissn

1478-6419

issn

1478-6427

journal_volume

26

pub_type

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