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Phellinus linteus

(Berk. & M.A. Curtis) Teng

Phellinus linteus
FamilyHymenochaetaceae
GenusPhellinus
ClassSevere Antitumor / Anti-inflammatory
Cultivable✅ Yes — Low/Medium (Mycelium grows easily in bioreactors, but the fruiting body takes years on mulberry logs)
HabitatTrunks of living trees, especially mulberries — Lignicolous / Parasitic (Mulberry trees - Morus alba)

Common Names

🇪🇸 SpanishMesima, Hongo de la Pezuña Negra
🇬🇧 EnglishMeshima, Black Hoof Mushroom
🌍 LocalMeshimakobu (Japan), Sanghuang (China)

Description

An extremely hard, woody, hoof-shaped polypore fungus of dark color. It grows very slowly on mulberry tree trunks. It is considered one of the 'holy grails' of botanical oncology due to its overwhelming results in suppressing breast cancer, prostate cancer, and metastasis.

Ecology

A parasitic fungus that causes white heart rot in living mulberry and oak trees, growing perennially year after year.

The Meshima (Phellinus linteus) is a colossus of fungal medicine that commands both visual and pharmacological respect. With the appearance of a black, burnt, and cracked horse hoof clinging to the bark of wild mulberry trees, its slow, decades-long growth condenses an unparalleled defensive chemistry.

Clinically, it is arguably the medicinal mushroom with the most spectacular results in pure oncology. In South Korea, Phellinus linteus extracts are not sold as mere supplements; they are medically approved and prescribed in hospitals as immunotherapeutic cancer drugs. Its mechanism is not solely based on boosting defenses but on direct cytotoxic actions, such as inhibiting the blood vessels that feed tumors and forcing cellular suicide (apoptosis) in prostate and breast cancers. The dense, woody matrix of this mushroom guards an arsenal of polyphenols and Hispidin which, once liberated through double extraction, offer one of the most forceful botanical interventions modern science has validated.

lens_blur Cap (Pileus)

Size:5 - 20 cm wide, up to 10 cm thick.
Shape:Bracket, hoof, or shelf protruding from the tree.
Color:Dark brown to almost black on the upper surface (in old specimens), with a bright yellow or mustard active margin.
Surface:Glabrous, concentrically furrowed, extremely hard, woody, and often cracked with age.
Margin:Rounded, shiny, yellow-brown.

view_list Hymenium

Type:Pores
Attachment:Decurrent along the bark.
Color:Yellow, mustard to rusty brown.
Spacing:4-6 pores per millimeter (very fine).

straighten Stipe (Stem)

Dimensions:Absent (sessile).
Color:N/A
Surface:N/A
Ring:Absent.

blur_circular Spores

Shape:Subglobose, smooth.
Dimensions:4-5 x 3-4 µm
Print:Yellowish brown.

colorize Flesh

Color:Rusty brown, extremely hard and woody.
Magulladuras:Darkens upon touch or continuous damage.
Odor:Slightly fungal, woody.
Taste:Slightly bitter and astringent.

Phytochemical Profile

Hispidin

Highly reactive antioxidant polyphenol that protects nerves and has potent cytotoxic activity against mutated cells.

Caffeic Acid

Phenolic compound that disrupts tumor reproduction cell cycles and induces apoptosis.

Interfungins A

Glycoproteins unique to this genus that act as potent systemic anti-inflammatory agents and hepatoprotectors.

verified Clinical Evidence: Very High (Advanced clinical trials in Asia, medically approved in South Korea)

gpp_bad Warnings & Contraindications

  • Immunosuppressive Interactions: Like other major immunomodulators, it may interfere with transplant anti-rejection medications.
  • Commercial Quality: Due to the time it takes to grow in the wild (decades), there is a massive counterfeiting problem (other Phellinus species sold as linteus).

medical_services Clinical Benefits

  • Direct Tumor Destruction: Inhibits angiogenesis (cutting off the tumor's blood supply) and induces severe apoptosis in hormone-dependent cancers (breast, prostate) and melanoma. It is an approved prescription oncology medication in Korea.
  • Immunomodulatory Anti-inflammatory: Effectively treats rheumatoid arthritis and autoimmune diseases by suppressing Th2 inflammatory responses while elevating Th1 immunity, balancing the immune system rather than merely suppressing it.
  • Liver Protection: Halts hepatic fibrosis and helps regenerate tissue damaged by toxins or chemotherapy.

history_edu Traditional Uses

  • Shen Nong Ben Cao Jing: Documented thousands of years ago in the Chinese materia medica as 'Sanghuang', revered for stopping bleeding, abdominal pain, and chronic illnesses.

warning Interactions & Precautions

  • Chemotherapy (Synergy): Clinically used *alongside* drugs like doxorubicin, increasing the drug's toxicity against cancer while protecting the patient's heart from the drug's side effects.

science Extraction Methods

  • Double Extraction / Long Decoction: The body is so woody it requires intense boiling (hours) to break the chitin, or high-proof alcohol tinctures to isolate the phenolic compounds (Hispidin).

scale Standard Dosage

Fruiting body powder: 3-5 g daily in decoction. Concentrated extract: 1000-1500 mg daily.

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