Cranberry Polyphenols and Prevention against Urinary Tract Infections: Relevant Considerations

• Published in: Molecules (Basel, Switzerland) Vol. 25; no. 15; p. 3523
• Main Authors: González de Llano, Dolores, Moreno-Arribas, M. Victoria, Bartolomé, Begoña
• Format: Journal Article
• Language: English
• Published: Switzerland MDPI 01.08.2020; MDPI AG
• Subjects: Bacterial Adhesion - drug effects; cranberry; Escherichia coli Infections - microbiology; Escherichia coli Infections - prevention & control; Female; flavan-3-ols; Humans; Molecular Structure; Phytotherapy; Plant Extracts - pharmacology; Polyphenols - chemistry; Polyphenols - pharmacology; Probiotics - pharmacology; Review; UPEC; urinary tract infections; Urinary Tract Infections - microbiology; Urinary Tract Infections - prevention & control; uropathogenic Escherichia coli; Uropathogenic Escherichia coli - drug effects; Uropathogenic Escherichia coli - pathogenicity; UTIs; Vaccinium macrocarpon - chemistry; antiadhesive activity; uropathogenic Escherichia coli; A-type proanthocyanidins; flavan-3-ols; urinary tract infections; cranberry; phenolic metabolites; UPEC; UTIs; probiotics
• ISSN: 1420-3049; 1420-3049
• DOI: 10.3390/molecules25153523

Cranberry (Vaccinium macrocarpon) is a distinctive source of polyphenols as flavonoids and phenolic acids that has been described to display beneficial effects against urinary tract infections (UTIs), the second most common type of infections worldwide. UTIs can lead to significant morbidity, especially in healthy females due to high rates of recurrence and antibiotic resistance. Strategies and therapeutic alternatives to antibiotics for prophylaxis and treatment against UTIs are continuously being sought after. Different to cranberry, which have been widely recommended in traditional medicine for UTIs prophylaxis, probiotics have emerged as a new alternative to the use of antibiotics against these infections and are the subject of new research in this area. Besides uropathogenic Escherichia coli (UPEC), the most common bacteria causing uncomplicated UTIs, other etiological agents, such as Klebsiellapneumoniae or Gram-positive bacteria of Enterococcus and Staphylococcus genera, seem to be more widespread than previously appreciated. Considerable current effort is also devoted to the still-unraveled mechanisms that are behind the UTI-protective effects of cranberry, probiotics and their new combined formulations. All these current topics in the understanding of the protective effects of cranberry against UTIs are reviewed in this paper. Further progresses expected in the coming years in these fields are also discussed.