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Food composition and analysis

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

ORCID Icon, , , , &
Pages 688-700 | Received 13 Sep 2018, Accepted 06 Dec 2018, Published online: 01 Feb 2019
 

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.

Disclosure statement

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this article.

Additional information

Funding

This research was supported by the ERA-NET action “CORE Organic Plus” [Contract no. 618107] in the framework of the “FaVOr-DeNonDe” Project (http://coreorganicplus.org/researchprojects/favor-denonde/).

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