Inonotus obliquus

Botanical Overview

Inonotus obliquus is a species in the family. This species belongs to the family, a group of flowering plants. Although comprehensive ethnobotanical records are limited, phytochemical studies have identified 30 compounds in this species, suggesting potential medicinal value.

General Description

It is parasitic on birch and other trees. The sterile conk is irregularly formed and resembles burnt charcoal. It is not the fruiting body of the fungus, but a sclerotium or mass of mycelium, mostly black because of a substantial amount of melanin. It is commonly marketed as a dietary supplement for various health benefits but lacks sufficient scientific evidence for safety or effectiveness, and quality can vary due to inconsistent processing and labeling.

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

Geographic Distribution

Inonotus obliquus has been recorded in 10 countries and territories worldwide, including Canada, Germany, Denmark, Finland, United Kingdom, and others.

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:

  • Terpene: aromatic compounds with anti-inflammatory and antimicrobial properties
  • Sterol: cholesterol-like compounds with anti-inflammatory properties

Research Status

Although this species has documented phytochemical constituents, its ethnobotanical and clinical documentation remains incomplete. The limited documentation available for this species represents an opportunity for ethnobotanical research.

ⓘ 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: Canada, Germany, Denmark, Finland, United Kingdom, Netherlands, Norway, Russia, Sweden, United States.

Complete Chemical Inventory

CompoundFormulaMW
2,6-BIS-(3',4'-DIHYDROXYPHENYL)-3,7-DIOXABICYCLO-[3,3,0]-OCTANE-4,8-DIONE
3,4-DIHYDROXYCINNAMIC-ACIDC₉H₈O₄180.16 Da
3-BETA-21-DIHYDROXY-LANOST-7,9(11),24-TRIENE
3-BETA-21-DIHYDROXY-LANOST-8,24-DIENE
3-BETA-21-DIHYDROXY-LANOST-8,24-DIENE-21-OIC-ACID
3-BETA-HYDROXY-LANOSTA-8,24-DIENE-21-AL
BETA-SITOSTANOLC₂₉H₅₂O416.7 Da
BETULINC₃₀H₅₀O₂442.7 Da
BIOGLYCANS
CAFFEIC-ACIDC₉H₈O₄180.16 Da
DEHYDRODICAFFEIC-ACID-LACTONE
ERGOSTA-7-22-DIEN-3-BETA-OL
ERGOSTEROLC₂₈H₄₄O396.6 Da
ERGOSTEROL-PEROXIDEC₂₈H₄₄O₃428.6 Da
EUMELANIN
FUNGISTEROLC₂₈H₄₈O400.7 Da
INOOIDIOL
INOSITOLC₆H₁₂O₆180.16 Da
INOTODIOLC₃₀H₅₀O₂442.7 Da
LACTONES
LANOSTANIC-TRITERPENES
LANOSTANIC-TRITERPENOIDS
LANOSTEROLC₃₀H₅₀O426.7 Da
LUPENONEC₃₀H₄₈O424.7 Da
LUPEOLC₃₀H₅₀O426.7 Da
MELANINC₁₈H₁₀N₂O₄318.3 Da
OBLOQUIOLS
POLYSACCHARIDES
R-HYDROXYBENZOIC-ACID
SITOSTANOLC₂₉H₅₂O416.7 Da

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


References & Further Reading

External Research Links

Data Sources