Abstract
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.
Highlights
One of the fruit-producing plants growing abundantly in European forests is the black cherry, Prunus serotina (Ehrh.)
The aim of this study was to fill the gap in research on the compounds in fruits of the genus Prunus by analyzing fruits of P. serotina, which contain many valuable bioactive substances such as sugars, organic acids and phenolic compounds as well as cyanogenic glycosides, which can be toxic to humans
To our knowledge this paper is the first report on HPLC-mass spectrometer (MS) analysis of phenolic7 of 10 compounds in Prunus serotina fruits
Summary
One of the fruit-producing plants growing abundantly in European forests is the black cherry, Prunus serotina (Ehrh.). This is an invasive alien plant species (IAPS) for many European countries, such as e.g., Germany, the Netherlands, France, Hungary, Italy, Norway and Belgium [1,2,3,4,5,6,7]. Several studies have been carried out on phenolic compounds of black cherry [13,14,15,16] These compounds play an important role in the antioxidant activity of fruits and various fruit-based products. If the high content of phenolics, including anthocyanins, is confirmed it may indicate considerable potential for
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