Uva Ursi - 1 oz.
Uva ursi (bearberry) is described as a small evergreen shrub with clusters of small white or pink bell-shaped flowers and dull orange berries.
Properties: Diuretic, Antiseptic, Antibacterial
Organic Eco-Friendly Ethically Wild Harvested
Ingredients: Uva Ursi Leaf (Arctostaphylos uva-ursi), Grain Alcohol, Deionized Water
Ratio: 1:3
Serving Size: 333 mg/ml
Dosage: 30-60 drops 2-3 times per day or as needed in juice or water. Can increase dose to 4-5 timer per day in very acute situations for a few days.
Constituents: Uva ursi leaves contain hydroquinone derivatives, mainly arbutin (1) and methyl arbutin in concentrations ranging from 6.30 to 9.16%, expressed on a dry weight basis, depending on when and where it is harvested (2). Tannins are also present in uva ursi leaves, including ellagic and gallic acid tannins, which can be hydrolyzed (81650). Flavonoids that are present include hyperoside, myricetin, quercetin, and glycosides such as hyperin, myricitrin, isoquercitrin, and quercitrin. Triterpenes, montropein, piceoside, phenol-carboxylic acids such as alpha-amyrin and ursolic acids are present and also malic acid, allantoin, resin, volatile oil and wax. Uva ursi also contains corilagin(3).
Caution: Not recommended if pregnant or for children.
References:
1. Quintus J, Kovar KA, Link P, et al. Urinary excretion of arbutin metabolites after oral administration of bearberry leaf extracts. Planta Med 2005;71(2):147-152.
2. Wahner C, Schonert J, Friedrich H. [Knowledge of the tannin contained in leaves of the bearberry (Arctostaphylos uva-ursi L)]. Pharmazie 1974;29(9):616-617.
3. Shimizu M, Shiota S, Mizushima T, et al. Marked potentiation of activity of beta-lactams against methicillin-resistant Staphylococcus aureus by corilagin. Antimicrob Agents Chemother 2001;45(11):3198-3201.
Blumeenthal M, Goldberg A, Brinkmann J, editors, Herbal Medicine: Expanded Commission E Monographs. Boston (MA): Integrative Medicine Communications; 2000.