Clustered Bracket (Inonotus cuticularis)
A bracket fungus rare in Poland, growing mainly on beech trees, chemically characterized in essentially just one Iranian screening study — otherwise, practically no scientific data exists on this species.
Table of contents
TL;DR
A bracket fungus rare in Poland, growing mainly on beech trees, chemically characterized in essentially just one Iranian screening study — otherwise, practically no scientific data exists on this species.
- →Very limited data — a single in vitro study suggests basic antibacterial and antioxidant activity of fruiting body extracts
| Latin name | Inonotus cuticularis |
|---|---|
| Family | Hymenochaetaceae |
| Active compounds | Gallic acid, hispidin, styrylpyrones |
| Form | Not applicable — the species doesn't exist as a product or supplement |
| Research level | Hypothetical — one published chemical screening study |
| Interactions | None studied |
| Status | Rare in Poland, recorded mainly in the northwestern part of the country; no supplement status |
Understand
Overview
The clustered bracket (Inonotus cuticularis) is another member of the genus Inonotus, related to chaga but far less recognizable and much less studied. It parasitizes living hardwood trees, primarily beech. In Poland it's rare, recorded mainly in the northwestern part of the country.
Scientifically, the species remains almost completely unstudied: the only species-specific paper found is an Iranian screening study from 2023. There are no clinical studies, and not even any animal studies.
Given the current state of knowledge, this species won't help practically anyone in any measurable or recommendable way — no product, dosage, or human safety data exists for it. The only realistic 'target group' remains mycologists and natural-product chemists interested in profiling compounds within the genus Inonotus. Pregnant and breastfeeding women, children, and anyone taking any medication have no basis for treating this species as safe.
Where it's found
The clustered bracket parasitizes living hardwood trees, primarily beech, forming shelf-like, leathery fruiting bodies on trunks. In Poland it's rare, recorded mainly in the northwestern part of the country.
Mechanism of action
The only available data comes from a chemical screening study that identified compounds including gallic acid, hispidin, and styrylpyrone-class compounds in extracts. Acetone extracts showed some antibacterial activity with low toxicity toward normal human cells in vitro.
The three identified compounds belong to well-understood chemical classes: gallic acid is a phenol widely distributed in nature with documented antioxidant potential, and hispidin and its related styrylpyrones are phenolic pigments typical of the Hymenochaetaceae family, to which chaga also belongs. However, the screening study does not specify the mechanism of the antibacterial activity or the threshold concentrations involved.
Evidence: limited — based on 1 study in this database.
Benefits
Practice
Frequently asked questions
No — only one published chemical screening study of this species exists, with no animal or human studies.
Dosage & timing
Typical dose
Not applicable — the species doesn't exist as a product or supplement
Form
Not applicable
Given the complete absence of clinical and toxicological studies in humans, there is no basis whatsoever for recommending the use of this species.
Best times to take it
- Not applicable
Safety
Side effects & contraindications
Possible side effects
No data whatsoever on safety of use in humans
Contraindications
Pregnancy, breastfeeding, and children — no data
Interactions
No interactions studied
Is it worth taking?
Who it's for
- Very limited data — a single in vitro study suggests basic antibacterial and antioxidant activity of fruiting body extracts
Not for
- Pregnancy, breastfeeding, and children — no data
Evidence
Worth knowing
Grows mainly on beech trees, forming shelf-like clusters of fruiting bodies.
Scientifically, one of the least-studied species in the genus Inonotus.
Studies
Acetone extracts from Inonotus cuticularis fruiting bodies showed antibacterial activity with low toxicity toward normal human cells in vitro — the only result published so far for this species.
Chaharmiri-Dokhaharani S. et al., Journal of Medicinal Plants and By-products, 2023
Bioactivity and Chemical Profiling of Medicinal Fungi Inonotus cuticularis and Inocutis levis
Research hypothesisChaharmiri-Dokhaharani S, Ghobad-Nejhad M, Moghimi H, Norouzi H, Moghaddam M · Journal of Medicinal Plants and By-products · 2023
The only species-specific study found: chromatographic-spectrometric analysis identified phenolic compounds, with basic in vitro antibacterial tests.
View studySources & bibliography
Citations are illustrative for this demo version and require full bibliographic verification by the editorial team before production publication.
Compare with similar entries
About the authors of this entry
Author
dr Anna KowalczykEditor-in-Chief, Molecular Biology
Anna oversees the editorial process and scientific review of every publication in the knowledge base. She previously researched autophagy and mitochondrial biology.
50 publications on this site
Medical review
Julia WiśniewskaEditor, Neurohacking & Sleep
Julia writes about nootropics, chronobiology and recovery protocols.
45 publications on this site
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Comments (2)
- KW
Kasia W. 2 weeks ago
Very clearly explained, especially the interactions section — I hadn't seen it laid out this well anywhere else.
- MT
Marek T. a month ago
Are you planning to update this with the newest study from this year? I saw an interesting meta-analysis.