A Comprehensive Polyphenolic Characterization of Five Montmorency Tart Cherry (Prunus cerasus L.) Product Formulations
2025
Muhammad Jawad | Stephen T. Talcott | Angela R. Hillman | Robert G. Brannan
The Montmorency tart cherry (Prunus cerasus L., MTC) polyphenols may contribute to reduced inflammation and oxidative stress biomarkers in the body. However, a comprehensive polyphenolic profile of MTC products is lacking. This study provides a comparative analysis of the polyphenolic distribution of individual anthocyanins, flavonols, flavanols, hydroxycinnamic acids, and hydroxybenzoic acids in five MTC products (frozen raw fruit, freeze-dried powder, sweet dried fruit, unsweetened dried fruit, juice concentrate). Twenty-three polyphenols were detected, and 21 were positively identified. Results from three replicates indicate that frozen raw MTC has the most total polyphenolics. Juice concentrate, unsweetened dried MTC, freeze-dried MTC powder, and sweet dried MTC contained 26%, 40%, 60%, and 77% fewer total polyphenolics than frozen raw MTC. Hydroxycinnamic acids, flavonols, and anthocyanins predominated, accounting for 87&ndash:99% of total polyphenols in MTC products. Chlorogenic acid, rutin, cyanidin-3-sophoroside, feruloquinic acid, ferulic acid, and coumaric acid isomers were noteworthy polyphenolics. Hydroxycinnamic acids predominated in sweet dried (82%), unsweetened dried (74%), juice concentrate (66%), and frozen-raw (54%) MTC. Flavonols predominated in freeze-dried MTC powder (52%). Anthocyanins, particularly cyanidin glycosides, were important polyphenolics in frozen-raw cherries (18%) but less so in other MTC products. These findings highlight the variability in polyphenols in MTC products and emphasize the importance of selecting appropriate MTC products for specific health benefits.
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