In this study, phenolic compounds of methanol extracts obtained from stems (fruit pedicels), leaves, and flowers of two different varieties (0900 Ziraat and Regina) of cherry (Prunus avium L.) in Çankırı (Eldivan) region were investigated. Component determination was performed using an LC-MS/MS instrument. The data obtained revealed that different plant parts of both varieties differed in phenolic content. The major components identified were quinic acid, epicatechin, catechin, chlorogenic acid, and rutin. Accordingly, the major components were found to be higher in 0900 Ziraat extracts rather than Regina extracts. The highest values of the major components, catechin (44222 ± 480.74 µg g-1, 41288 ± 176.38 µg g-1) and epicatechin (9577.78 ± 38.49 µg g-1, 9377 ± 101.83 µg g-1) were determined in the stems of 0900 Ziraat and Regina varieties, respectively. The highest concentrations of rutin, chlorogenic acid, and quinic acid were obtained from the leaf extracts of both varieties. The highest phenolic content was observed in stem extracts of both varieties, followed by leaf and flower extracts. This result indicates that stem tissue has a more active metabolic profile for phenolic accumulation. These findings suggest that the stem (fruit pedicel), leaf, and flower tissues of cherry may be relatively rich in phenolic compounds and provide a baseline dataset supporting their potential evaluation as natural sources of antioxidants.
Akin et al. (Mon,) studied this question.