Copigmentation triggers the development of skin burning disorder on peach and nectarine fruit [Prunus persica (L.) Batsch]

Celia M. Cantín, Li Tian, Xiaoqiong Qin, Carlos H. Crisosto

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Skin burning is a new type of skin damage related to exposure to high pH values during the brushing-waxing postharvest operations that has been observed recently on some newly released peach and nectarine [Prunus persica (L.) Batsch] cultivars. In this work, we described this skin disorder for the first time and studied its triggers and biological basis. Different skin burning susceptibility was observed after screening 21 peach and nectarine cultivars. The stability of the skin phenolic extracts to pH in the range 7-10 was studied by UV-visible spectroscopy. This study demonstrated that fruit skin phenolics are not stable at high pH and that the transformations occurring at high pH are reversible and time-dependent. The changes on the UV-visible absorption spectra at different pH values pointed out the copigmentation of anthocyanins as the mechanism beyond the skin burning disorder. Finally, some recommendations to minimize this postharvest damage are also discussed.

Original languageEnglish (US)
Pages (from-to)2393-2402
Number of pages10
JournalJournal of Agricultural and Food Chemistry
Volume59
Issue number6
DOIs
StatePublished - Mar 23 2011

Fingerprint

nectarines
Prunus persica
Fruits
peaches
Fruit
Skin
fruits
ultraviolet-visible spectroscopy
skin diseases
cultivars
anthocyanins
Anthocyanins
screening
Absorption spectra
Spectrum Analysis
Screening
extracts
Spectroscopy

Keywords

  • Absorption spectra
  • antioxidant potential
  • HPLC
  • pH
  • total phenolics

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Chemistry(all)

Cite this

Copigmentation triggers the development of skin burning disorder on peach and nectarine fruit [Prunus persica (L.) Batsch]. / Cantín, Celia M.; Tian, Li; Qin, Xiaoqiong; Crisosto, Carlos H.

In: Journal of Agricultural and Food Chemistry, Vol. 59, No. 6, 23.03.2011, p. 2393-2402.

Research output: Contribution to journalArticle

Cantín, Celia M. ; Tian, Li ; Qin, Xiaoqiong ; Crisosto, Carlos H. / Copigmentation triggers the development of skin burning disorder on peach and nectarine fruit [Prunus persica (L.) Batsch]. In: Journal of Agricultural and Food Chemistry. 2011 ; Vol. 59, No. 6. pp. 2393-2402.
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