Impact of year of harvest, genotype and cultivation method on bioactives and Pru d 1 allergen content in plums

Valentina Picchi, Roberto Lo Scalzo, Elisabeth Kurze, Marta Fibiani, Eivind Vangdal, Wilfried Schwab

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The present work studied the effect of the year of harvest, the genotype and the cultivation method on the nutritional quality and the allergen content of three plum cultivars. The common quality parameters and the phytochemical content strongly varied with the year and the cultivar, while the system of cultivation had a minor influence. In particular, ascorbic acid greatly decreased in 2016 compared to 2015, while polyphenols were higher in 2016. The health-promoting compounds, and particularly phenolics, were significantly correlated with the antioxidant capacity. Finally, the allergen content was strongly dependent on the content of flavan-3-ols, suggesting that this class of phenolics is determinant in influencing the allergen content in plums. Results showed that the major factor affecting the quality and the concentration of natural metabolites of plum, in addition to the diversity among genotypes, is the year-to-year variation, whereas the system of cultivation plays a marginal role.

Original languageEnglish
Pages (from-to)688-700
Number of pages13
JournalInternational Journal of Food Sciences and Nutrition
Volume70
Issue number6
DOIs
StatePublished - 18 Aug 2019

Keywords

  • Plum
  • allergen
  • antioxidant capacity
  • organic farming
  • phytochemical

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