Yerba Santa

Also known as: California Yerba Santa, Hierba Santa, Mountain Balm, Bear's Weed, Consumptive's Weed, Tarweed, Gum Bush

Botanical Overview

Yerba Santa (Eriodictyon californicum) belongs to the Hydrophyllaceae family. While not among the most extensively documented medicinal plants, this species has recorded uses that warrant attention from researchers and practitioners. This species belongs to the Hydrophyllaceae family, a group of flowering plants.

General Description

It is a perennial evergreen shrub native to California and Oregon.

ⓘ Information
Description adapted from Wikipedia (CC BY-SA 4.0).

Geographic Distribution

Yerba Santa has been recorded in Brazil, Mexico, and United States.

Active Compounds

Phytochemical research has identified 30 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).

The identified compounds include the following categories:

  • Flavonoid: antioxidant compounds that protect cells from oxidative damage
  • Alkaloid: nitrogenous compounds with diverse pharmacological activities
ⓘ Information
Information on this page is compiled from Dr. Duke’s Phytochemical and Ethnobotanical Databases (USDA ARS), a public domain resource. Consult a healthcare professional before using any herbal preparation.

Distribution and Conservation

Reported distribution: Brazil, Mexico, United States.

Complete Use Records

CategoryCultural Context
PoulticeUS(Amerindian)

Complete Chemical Inventory

CompoundFormulaMW
3',4',5,7-TETRAHYDROXYFLAVONEC₁₅H₁₀O₆286.24 Da
3'-METHYL-4'-ISOBUTYRYLERIODICTYOL
3,4',5-TRIHYDROXY-7-METHOXY-FLAVANONE
4',5,7-TRIHYDROXY-3',6-DIMETHOXYFLAVANONE
4',5-DIHYDROXY-6,7-DIMETHOXYFLAVANONE
ACETIC-ACIDC₂H₄O₂60.05 Da
ASCORBIC-ACIDC₆H₈O₆176.12 Da
ASH
BETA-CAROTENEC₄₀H₅₆536.9 Da
BUTYRIC-ACIDC₄H₈O₂88.11 Da
CALCIUMCa40.08 Da
CEROTIC-ACIDC₂₆H₅₂O₂396.7 Da
CHROMIUMCr51.996 Da
CHRYSINC₁₅H₁₀O₄254.24 Da
CHRYSOERIODICTYOL
CHRYSOERIOLC₁₆H₁₂O₆300.26 Da
CIRSIMARITINC₁₇H₁₄O₆314.29 Da
CIRSIMARITRIN
COBALTCo58.93319 Da
DIOSMETINC₁₆H₁₂O₆300.26 Da
ERIODICTYOLC₁₅H₁₂O₆288.25 Da
ERIODICTYONIC-ACID
ERIODICTYONINE
ERIODIN
ERIODONOL
FATC₁₆H₃₂O₂256.42 Da
FIBER(CRUDE)
FIBER(DIETARY)
FORMIC-ACIDCH₂O₂46.025 Da
GLUCOSEC₆H₁₂O₆180.16 Da

Data from PubChem (NIH/NLM, public domain).


References & Further Reading

External Research Links

Data Sources