Hermetica Superfood Encyclopedia
The Short Answer
Antrodia salmonea fruiting bodies are rich in ergostane- and lanostane-type triterpenoids—most abundantly (R,S)-antcin C at 184.85 µg/mg dry extract—which drive anti-inflammatory, antioxidant, and cytotoxic activities through modulation of oxidative stress pathways and ACE2 surface expression. In vitro, its polyphenol extract achieves DPPH radical scavenging of 94.10%, ABTS scavenging of 83.34%, and hydroxyl radical scavenging of 95.42% at 0.1 mg/mL, while antcin-class compounds reduce ACE2 levels in HT-29 cells from 11.23 ng/mL to 4.39 ng/mL.
CategoryMushroom
GroupMushroom/Fungi
Evidence LevelPreliminary
Primary KeywordAntrodia salmonea benefits
Antrodia salmonea — botanical close-up
Health Benefits
**Antioxidant Protection**
Polyphenol-rich fruiting body extracts scavenge DPPH radicals at 94.10%, ABTS radicals at 83.34%, and hydroxyl radicals at 95.42% at 0.1 mg/mL, suggesting potent free-radical neutralization capacity relevant to oxidative stress-related conditions.
**Anti-Inflammatory Activity**
Fruiting body extracts demonstrate stronger suppression of inflammation markers than Antrodia cinnamomea extracts in comparative in vitro assays, likely attributable to the high concentrations of antcin-class triterpenoids that modulate pro-inflammatory signaling cascades.
**Liver Protection (Hepatoprotective Potential)**
Antcin A and antcin C—present at 57.85 µg/mg and 184.85 µg/mg respectively—are structurally analogous to steroids with documented hepatoprotective properties in related Antrodia species, supporting traditional use of Antrodia fungi for liver health.
**Cytotoxic Activity Against Cancer Cells**
Fruiting body extracts exhibit cytotoxicity against MCF-7 human breast cancer cells with an IC50 of 91.45 µg/mL in vitro, indicating selective antiproliferative effects that merit further mechanistic and preclinical investigation.
**ACE2 Surface Expression Reduction**
Antcin-class compounds derived from Antrodia salmonea and related species significantly reduce ACE2 protein levels in HT-29 colorectal cells from 11.23 ng/mL to 4.39 ng/mL, a mechanism theorized to limit SARS-CoV-2 cellular entry points.
**Antibacterial Activity**
Fractionated extracts demonstrate antibacterial activity against resistant bacterial strains with minimum inhibitory concentrations (MICs) ranging from 64 to 256 µg/mL, suggesting bioactive compounds capable of disrupting bacterial cell integrity.
**Unique Triterpenoid Diversity**
Antrodia salmonea produces species-specific compounds antcin M and methyl antcinate K absent in A. cinnamomea, expanding the known pharmacological repertoire of the Antrodia genus and providing a chemotaxonomic signature with potential undiscovered bioactivities.
Origin & History
Natural habitat
Antrodia salmonea is a wood-rotting polypore fungus native to Taiwan, closely related to the endemic and highly prized Antrodia cinnamomea. Like its congeners, it grows on the heartwood of specific host trees in Taiwan's montane forests, though its precise host specificity and geographic range are less thoroughly documented than A. cinnamomea. The fungus produces salmon-colored fruiting bodies and has attracted scientific interest due to its distinct triterpenoid and volatile chemical profiles that differ meaningfully from related Antrodia species.
“Antrodia salmonea does not have an independently documented history of traditional use in Taiwanese or other indigenous medicine; the cultural and historical context relevant to this species is largely derived from its close taxonomic relationship with Antrodia cinnamomea, which is endemic to Taiwan and has been used for centuries by indigenous Taiwanese communities as 'Niu Chang Chih' or 'Zhang Zhi.' In Taiwanese folk medicine, Antrodia cinnamomea and related Antrodia species have been administered as decoctions or tinctures for liver protection, detoxification, anti-fatigue, and anti-tumor purposes, with the fruiting bodies historically harvested from the inner heartwood of the endemic camphor tree Cinnamomum kanehirae. Antrodia salmonea likely shares overlapping ecological niches with A. cinnamomea in Taiwan's forest ecosystems, and its distinct salmon-colored fruiting body morphology distinguishes it visually, though ethnobotanical records documenting specific intentional harvesting or use of A. salmonea as a distinct species are absent from the current literature. Scientific characterization of A. salmonea as a chemically distinct species represents a relatively recent development driven by comparative metabolomics research rather than longstanding traditional application.”Traditional Medicine
Scientific Research
The available body of evidence for Antrodia salmonea consists exclusively of in vitro laboratory studies, with no published human clinical trials, animal model studies, or pharmacokinetic data identified as of the current literature review. Comparative phytochemical studies have quantified triterpenoid profiles by HPLC and volatile compositions by GC-MS, establishing (R,S)-antcin C as the dominant compound at 184.85 µg/mg, and demonstrating species-specific markers antcin M and methyl antcinate K absent in the related A. cinnamomea. Cytotoxicity against MCF-7 breast cancer cells (IC50 = 91.45 µg/mL) and ACE2 downregulation in HT-29 cells represent the most quantitatively characterized bioactivities, though these cell-line findings cannot be extrapolated to human therapeutic outcomes without further preclinical and clinical investigation. The evidence base is currently at a preliminary, hypothesis-generating stage, and the pharmacological properties of A. salmonea in living systems remain largely uncharacterized.
Preparation & Dosage
Traditional preparation
**Fruiting Body Dry Extract (Research Use)**
1 mg/mL used in in vitro antioxidant assays; no human-equivalent dose established
Concentrations of 0..
**Ethanol/Methanol Fruiting Body Extract**
Used in cytotoxicity and anti-inflammatory studies at concentrations yielding IC50 = 91.45 µg/mL against MCF-7 cells; no clinical dose translation available.
**Triterpenoid-Standardized Extract (Proposed)**
Given that antcin C dominates at 184.85 µg/mg dry extract, standardization to antcin C content is scientifically rational but no commercial standard or validated assay threshold exists for A. salmonea specifically.
**Traditional Decoction (Antrodia genus)**
3–9 g dried material per day, but this method and dose have not been validated for A
Related Antrodia species are traditionally prepared as hot-water decoctions of dried fruiting bodies in Taiwanese folk medicine, typically . salmonea.
**No Established Supplemental Form**
No capsule, tablet, tincture, or standardized supplement form has been commercially developed or clinically evaluated for Antrodia salmonea as of current literature; any commercial product should be approached with caution due to the absence of dosing guidance.
Nutritional Profile
The nutritional macrocomposition of Antrodia salmonea fruiting bodies has not been comprehensively analyzed in published literature; however, as a wood-decaying polypore fungus, it is expected to contain structural polysaccharides (beta-glucans, chitin), proteins, and minimal lipids consistent with other medicinal fungi. The most thoroughly characterized constituents are triterpenoids: (R,S)-antcin C at 184.85 ± 0.96 µg/mg dry extract, (R,S)-antcin A at 57.85 ± 0.11 µg/mg, (R,S)-antcin H at 19.86 ± 0.28 µg/mg, and (R,S)-antcin K at 18.61 ± 0.33 µg/mg, along with species-unique antcin M and methyl antcinate K. Volatile terpenoids constitute a significant fraction of the chemical identity, dominated by α-cedrene (14.68%), 1-octen-3-ol (9.31%), D-limonene (9.21%), cadinadiene (7.65%), germacrene D (7.22%), isolongifolene (6.72%), and α-muurolene (5.31%). Bioavailability of the triterpenoids in humans is unknown, as no pharmacokinetic studies have been conducted; lipophilic triterpenoids in other fungal species generally show moderate oral bioavailability enhanced by co-administration with dietary fat.
How It Works
Mechanism of Action
The dominant triterpenoids in Antrodia salmonea—particularly (R,S)-antcin C (184.85 µg/mg), antcin A (57.85 µg/mg), antcin H (19.86 µg/mg), and antcin K (18.61 µg/mg)—are ergostane- and lanostane-skeleton steroids that interact with nuclear receptors and transcription factors governing oxidative stress and inflammatory gene expression, analogous to mechanisms characterized for antcins in A. cinnamomea. The antcin compounds downregulate ACE2 receptor expression at the cell surface in HT-29 intestinal epithelial cells, reducing available docking sites for SARS-CoV-2 spike protein and potentially limiting viral cell entry. Polyphenolic constituents donate electrons or hydrogen atoms to neutralize reactive oxygen species including DPPH, ABTS cation radicals, and hydroxyl radicals, protecting cellular macromolecules from oxidative damage through non-enzymatic antioxidant mechanisms. The sesquiterpene volatiles α-cedrene (14.68%), germacrene D (7.22%), and α-muurolene (5.31%) contribute to the anti-inflammatory and antibacterial activities through membrane-disrupting and receptor-modulating mechanisms documented for this terpene class in other fungal contexts.
Clinical Evidence
No clinical trials have been conducted specifically on Antrodia salmonea in human subjects, and no animal model pharmacology studies are currently reported in the accessible literature. The closest translational context comes from clinical investigations of the related species Antrodia cinnamomea (e.g., LEAC-102 extract studies for fatigue and liver markers), but these findings cannot be directly applied to A. salmonea given the distinct triterpenoid profiles, including species-specific compounds antcin M and methyl antcinate K. All quantified outcomes—including antioxidant scavenging rates, ACE2 reduction, cytotoxic IC50 values, and antibacterial MICs—derive from cell-culture assays at concentrations that may not reflect achievable human plasma levels. Confidence in clinical benefit is therefore very low, and regulatory bodies would require substantial additional preclinical and clinical research before any therapeutic or health claims could be substantiated.
Safety & Interactions
No human safety data, adverse event reports, or toxicology studies have been published for Antrodia salmonea, making a definitive safety profile impossible to construct from current evidence. The cytotoxicity observed against MCF-7 breast cancer cells at IC50 = 91.45 µg/mL—which is higher (less potent) than the IC50 of A. cinnamomea at 59.18 µg/mL—suggests moderate cytotoxic potential that warrants caution regarding high-dose supplementation until in vivo toxicology data are available. No drug interaction studies exist; however, given that antcin-class triterpenoids in related Antrodia species have been associated with modulation of hepatic enzyme activity in preclinical contexts, theoretical interactions with CYP450-metabolized drugs (anticoagulants, immunosuppressants, antiepileptics) cannot be excluded. Use during pregnancy or lactation is not recommended due to complete absence of safety data; individuals with known liver disease, autoimmune conditions, or those taking prescription medications should consult a qualified healthcare provider before use.
Synergy Stack
Hermetica Formulation Heuristic
Also Known As
Antrodia salmonea (Antrodia salmonea Teng)salmon-colored AntrodiaAntrodia (salmonea fruiting body)Antrodia salmonea (Antrodia salmonea T.T. Chang & W.N. Chou)antrodia triterpenoid mushroomAntrodia salmonea
Frequently Asked Questions
What are the main bioactive compounds in Antrodia salmonea?
The primary bioactive compounds in Antrodia salmonea fruiting bodies are ergostane- and lanostane-type triterpenoids, with (R,S)-antcin C being the most abundant at 184.85 µg/mg dry extract, followed by antcin A (57.85 µg/mg), antcin H (19.86 µg/mg), and antcin K (18.61 µg/mg). Uniquely, the species also contains antcin M and methyl antcinate K, compounds not found in the related Antrodia cinnamomea. The volatile fraction includes α-cedrene (14.68%), 1-octen-3-ol (9.31%), and D-limonene (9.21%) as major components.
How does Antrodia salmonea differ from Antrodia cinnamomea?
Antrodia salmonea and Antrodia cinnamomea are closely related Taiwanese polypore fungi but differ significantly in their chemical profiles: A. salmonea contains the species-specific triterpenoids antcin M and methyl antcinate K absent in A. cinnamomea, and shows stronger anti-inflammatory activity in comparative in vitro assays. In cytotoxicity testing against MCF-7 breast cancer cells, A. salmonea exhibited an IC50 of 91.45 µg/mL compared to 59.18 µg/mL for A. cinnamomea, indicating somewhat lower potency. Unlike A. cinnamomea, which has a documented history of traditional use and limited clinical investigation, A. salmonea has no established ethnomedicinal history as a distinct species.
Is there any clinical evidence supporting Antrodia salmonea supplementation?
Currently, there are no published human clinical trials, animal pharmacology studies, or pharmacokinetic investigations for Antrodia salmonea; all available evidence is derived exclusively from in vitro cell-culture experiments. The absence of clinical data means that promising findings—such as 94.10% DPPH radical scavenging and ACE2 reduction in HT-29 cells—cannot yet be translated into confirmed human health benefits or supplementation recommendations. Consumers should be aware that this ingredient is at the earliest stage of scientific characterization, and any health claims remain speculative pending further research.
Can Antrodia salmonea help with COVID-19 or ACE2 inhibition?
In vitro research shows that antcin-class compounds from Antrodia salmonea and related species reduce ACE2 protein expression in HT-29 colon cells from 11.23 ng/mL to 4.39 ng/mL, a mechanism that theoretically could limit SARS-CoV-2 cellular entry. However, this finding is based solely on a cell-culture model and has not been validated in animal models, human pharmacokinetic studies, or clinical trials for COVID-19 prevention or treatment. No regulatory authority has approved or endorsed Antrodia salmonea for any COVID-19-related indication, and it should not be used as a substitute for established preventive or therapeutic measures.
What is the recommended dose of Antrodia salmonea?
No established or clinically validated supplemental dose exists for Antrodia salmonea in humans; all published research has used in vitro concentrations (e.g., 0.1 mg/mL for antioxidant assays) that cannot be directly converted to human oral doses. By analogy, the related Antrodia cinnamomea is used in Taiwanese tradition as hot-water decoctions of 3–9 g dried fruiting body per day, but this dosing convention has not been formally evaluated or confirmed for A. salmonea. Until human pharmacokinetic and safety studies are completed, no dose recommendation can responsibly be made for this species.
Does Antrodia salmonea have better antioxidant activity than other medicinal mushrooms?
Antrodia salmonea demonstrates exceptionally high antioxidant capacity, with DPPH radical scavenging at 94.10%, ABTS radical scavenging at 83.34%, and hydroxyl radical scavenging at 95.42% at 0.1 mg/mL concentrations. This performance places it among the most potent antioxidant mushrooms, though direct comparative studies with species like reishi or cordyceps are limited. The polyphenol-rich fruiting body extracts are responsible for these protective effects against oxidative stress.
Is Antrodia salmonea safe to combine with antioxidant medications or supplements?
While Antrodia salmonea's potent antioxidant activity is generally beneficial, combining it with pharmaceutical antioxidants or high-dose antioxidant supplements may require medical oversight to avoid excessive free-radical suppression, which paradoxically can impair certain cellular repair mechanisms. Individuals taking antioxidant-dependent medications or supplements should consult a healthcare provider before adding Antrodia salmonea. The ingredient's safety profile for concurrent use has not been extensively studied in clinical populations.
Which form of Antrodia salmonea extract provides the strongest anti-inflammatory benefits?
Fruiting body extracts of Antrodia salmonea demonstrate superior anti-inflammatory suppression compared to mycelium-based formulations, with polyphenols identified as the primary active compounds driving inflammation marker reduction. The extraction method and concentration of polyphenolic compounds significantly influence anti-inflammatory potency, making standardized fruiting body extracts more reliable than whole-mushroom powders. Water-based and alcohol extractions both yield active compounds, though comparative efficacy data between extraction methods remains limited in published research.
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