Botanical Overview
Vaccinium macrocarpon, commonly known as cranberry or American cranberry, belongs to the Ericaceae family. It is native to North America, especially the northeastern United States and Canada. The medicinal parts primarily include the fruit and leaves.
Energetics
This plant exhibits cooling temperature and moistening qualities. Its taste profile is acidic, astringent, bitter, and sour. It is generally considered tonifying and acts principally upon fluids.
Primary Actions
- Antibacterial
- Antioxidant
- Astringent
- Diuretic
- Anti-inflammatory
Indications
Western
- Urinary tract infections (UTIs)
- Cystitis
- Kidney stones prevention
- Gingivitis
- Diarrhea
- Inflammation
Syndromes
- Recurrent urinary tract infections
- Urinary tract inflammation
- Oxidative stress-related conditions
TCM
No well-established traditional Chinese Medicine uses documented.
Ayurveda
No well-established Ayurvedic uses documented.
Unani
No well-established Unani uses documented.
Constituents & Mechanisms
Key phytochemicals include anthocyanins, catechins, flavonoids, proanthocyanidins, quinic acid, ursolic acid, and vitamin C. The proanthocyanidins are particularly important for preventing bacterial adhesion in urinary tract infections.
Dosage & Preparations
- Cranberry juice 240 mL daily
- Extract powder 300-400 mg twice daily
- Capsules 500 mg standardized proanthocyanidins 1-2 times daily
Safety & Contraindications
Generally safe when consumed as food or juice; caution advised in individuals prone to kidney stones due to oxalate content. May interact with warfarin and other anticoagulants, increasing bleeding risk. Not recommended to replace antibiotics without consultation. Limited data on safety during pregnancy and lactation.
Astrological Correspondences
No credible planetary or elemental rulers identified for Vaccinium macrocarpon.
Selected References
- Vaccinium macrocarpon (cranberry) and its potential for prevention of urinary tract infections – Jepson RG, Craig JC (2008)
- Dietary Supplement Fact Sheet: Cranberry – NIH Office of Dietary Supplements (2021)
- Medicinal plants in the Americas – Cranberry – WHO Monographs (2005)
- Vaccinium macrocarpon (cranberry) – Buckland, G. (2011)