4.7 Article

Composition of Phenolic Compounds, Cyanogenic Glycosides, Organic Acids and Sugars in Fruits of Black Cherry (Prunus serotina Ehrh.)

Journal

FORESTS
Volume 12, Issue 6, Pages -

Publisher

MDPI
DOI: 10.3390/f12060762

Keywords

Prunus serotina; HPLC-DAD-MS; phenolics; organic acids; sugars; cyanogenic glycosides; invasive alien plant species

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Funding

  1. Slovenian Research Agency (ARRS) Horticulture Program [P4-0013-0481]

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This study investigates the bioactive compounds of black cherry fruits and suggests potential industrial or semi-industrial applications to reduce its presence in forests. The results show that black cherry fruits are rich in anthocyanins, serving as a natural and good source of phenolics, and the level of cyanogenic glycosides can be kept within a safe range through proper processing.
The forest understory is rich in fruit-bearing trees and shrubs. They include both native species and invasive alien plant species (IAPS). One of the most spreading IAPS is black cherry (Prunus serotina E.). Problems with the invasiveness of P. serotina is well known in many European countries. However, there are very few studies related to this IAPS. This article aims to fill the gap in research on the bioactive compounds of black cherry fruits and thus to start a discussion on the potential use of this species on an industrial or semi-industrial scale, which may lead to the reduction of this species presence in forests. Fruits were collected in a forest of Northern Poland. Contents of sugars, phenolic compounds as well as cyanogenic glycosides were determined. Pphenolic compounds and cyanogenic glycoside were assayed using HPLC-DAD coupled with MSn. Sugars and organic acids were determined with the use of HPLC-DAD. Fruits of P. serotina can be considered as rich in anthocyanins, even at a lower level of total phenolics than in their plantation-grown couterparts, fruits of black cherry are still a good source of dietary phenolics of natural, forest-grown origin. When stones are not crushed during processing the level of GCC is within a safe, admissible range.

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