Bear-grape

Arctostaphylos uva-ursi

Arctostaphylos uva-ursi, commonly known as bearberry, is a traditional plant used in various herbal practices. Its use primarily revolves around treating uncomplicated urinary tract infections, though specific traditional uses are not well-documented. Scientific evidence suggests that the roots of A. uva-ursi can accumulate significant amounts of copper and zinc, with bioaccumulation factors of 30.44 and 20.59 respectively, which could be relevant in certain contexts but is not directly related to its traditional uses. Additionally, studies indicate that uva-ursi silver nanoparticles may interact with the HSV-1 viral envelope, though this finding requires further investigation. While hot water extraction was generally more effective for extracting polyphenols from other plant species, A. uva-ursi showed different results in this regard. Safety profiles for A. uva-ursi are currently favorable, with no major issues recorded. There is also no evidence of significant drug interactions at present.

At a glance
Best evidence
D
Cautions

Informational only. Traditional use does not mean proven effectiveness. Evidence and safety vary — check the cited sources.

What the science says

  • Arctostaphylos uva-ursi roots accumulated copper and zinc, with bioaccumulation factors of 30.44 and 20.59, respectively. D PMID
  • The study found that uva-ursi silver nanoparticles may have potential antiviral activity against HSV-1. D PMID
  • Arctostaphylos uva-ursi was one of the herbs used for treating uncomplicated urinary tract infections, according to patient reports. D PMID
  • Hot water extraction was more effective than maceration for extracting polyphenols from most plants, with A. uva-ursi being an exception. D PMID

Frequently asked questions

What is Bear-grape?

Bear-grape (Arctostaphylos uva-ursi) is a plant documented in FolkKB's traditional-medicine reference, drawn from sourced literature and cross-checked against the evidence.

What does the scientific evidence say about Bear-grape?

4 sourced findings are recorded for Bear-grape; the strongest carries evidence grade D. For example: Arctostaphylos uva-ursi roots accumulated copper and zinc, with bioaccumulation factors of 30.44 and 20.59, respectively.

How strong is the evidence for Bear-grape?

The strongest finding for Bear-grape carries evidence grade D — preliminary or traditional. Grades run A (strongest) to D (preliminary or traditional).

Is Bear-grape safe? What are the side effects?

No major safety issues are recorded for Bear-grape in our sources, but the data may be incomplete. Consult a qualified professional before use.

Does Bear-grape interact with medications?

No drug interactions are recorded for Bear-grape in our sources. This does not rule them out — check with a pharmacist.

What are the common names of Bear-grape?

Bear-grape is also known as: Толокнянка обыкновенная, Arbousier traînant.

Is Bear-grape a proven treatment?

No. FolkKB is informational only. Traditional use and early findings are not proof of efficacy or safety — consult a qualified professional and never self-treat.

Sources

  1. T2 Accumulation of heavy metals in soil, medicinal plants and agricultural crops irrigated with drain water. Case study of Bahr El-Baqar Drain, Egypt. literature abstract metadata
  2. T2 The Influence of Water Extraction Methods on the Isolation of Polyphenols and Tannins from Various Ericaceae and Rosaceae Species. literature abstract metadata
  3. T2 Trends and Patterns for the Use of Herbal Medicinal Products for Gynaecological Ailments. literature abstract metadata
  4. T2 Gellan Gum/Alginate Films Containing Biogenic uva ursi Silver Nanoparticles: Analytical Characterization and Antiviral Activity Against HSV-1. literature abstract metadata