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Auricularia auricula-judae

(Bull.) Quél.

Auricularia auricula-judae
FamilyAuriculariaceae
GenusAuricularia
ClassCardioprotective / Anticoagulant
Cultivable✅ Yes — High (Massive commercial cultivation in Asia on sterilized sawdust blocks)
HabitatDead wood, typically elder trees — Lignicolous / Saprobic (Dead wood)

Common Names

🇪🇸 SpanishOreja de Madera, Oreja de Judas
🇬🇧 EnglishWood Ear, Jelly Ear
🌍 LocalKikurage (Japan), Mu Er (China)

Description

A distinctively elastic, brown, gelatinous fungus that bears a striking resemblance to a human ear attached to dead wood. Aside from its global culinary popularity, it is one of the most potent natural antithrombotic (blood-thinning) agents in the Fungal kingdom.

Ecology

A saprobic fungus that decays dead branches and trunks, especially of the elder tree (Sambucus nigra), although it also attacks other broadleaf trees.

The Wood Ear (Auricularia auricula-judae) boasts one of the most peculiar scientific and common names in mycology, due to its surprising resemblance (texturally and visually) to a human ear attached to a tree. With its gelatinous, crunchy, and cartilaginous texture, it has been cultivated in China for nearly 1,500 years.

But behind this humble and popular culinary mushroom lies one of nature’s most potent cardioprotectors. Epidemiologists long ago noticed that populations consuming high amounts of Wood Ear had surprisingly low rates of myocardial infarctions (heart attacks). Subsequent science isolated its Acidic Polysaccharides (AAP), which act biologically as a “natural aspirin,” thinning the blood and inhibiting platelet aggregation to prevent the formation of deadly clots. Its regular consumption in broths and dishes is the epitome of the Eastern philosophy where medicine and food are one and the same, silently protecting the arteries with every bite.

lens_blur Cap (Pileus)

Size:3 - 8 cm across
Shape:Auriform (ear-shaped), cupulate to irregularly lobed.
Color:Reddish-brown, purple-brown to almost black when dried.
Surface:Exterior covered with a very fine greyish velvety fuzz; interior smooth and shiny.
Margin:Wavy, incurved.

view_list Hymenium

Type:Smooth surface
Attachment:N/A
Color:Pale brown to purplish, often venosely wrinkled (mimicking veins in an ear).
Spacing:N/A

straighten Stipe (Stem)

Dimensions:Absent, or very short and lateral.
Color:N/A
Surface:N/A
Ring:Absent.

blur_circular Spores

Shape:Allantoid (curved sausage-shaped), smooth.
Dimensions:15-22 x 5-7 µm
Print:White.

colorize Flesh

Color:Translucent brown, elastic, gelatinous but firm (like cartilage).
Magulladuras:Does not change, shrinks and hardens like horn when dried.
Odor:No distinct odor.
Taste:Mild, crunchy cartilaginous texture.

Phytochemical Profile

Acidic Polysaccharides (AAP)

Macromolecules that directly interfere with blood coagulation, inhibiting platelet aggregation.

Melanin

High antioxidant content that gives it its dark brown color.

Ergosterol and Provitamin D

Very high levels; when sun-dried, it accumulates massive amounts of vitamin D.

verified Clinical Evidence: Moderate/High (Robust in vivo studies, extensive epidemiological data)

gpp_bad Warnings & Contraindications

  • Surgeries: Consumption must be stopped at least 2 weeks prior to any surgery or dental extraction due to its strong effect on bleeding.
  • Pregnancy and Lactation: Traditionally avoided by pregnant women in the first trimester due to its pelvic anticoagulant effect.

medical_services Clinical Benefits

  • Cardioprotection and Antithrombotic: Thins the blood and inhibits platelet aggregation similarly to baby aspirin, preventing thrombosis, myocardial infarctions, and strokes.
  • Cholesterol and Glucose Control: Its high content of viscous fiber and polysaccharides traps cholesterol in the gut and delays glucose absorption, ideal for metabolic syndromes.
  • Radioprotection: Protects DNA from environmental and therapeutic radiation damage (X-rays, chemotherapy).

history_edu Traditional Uses

  • Chinese Dietetics: Regularly ingested in hot soups in the Asian diet as a way to purify the blood, lower blood pressure, and improve circulation.

warning Interactions & Precautions

  • Anticoagulants (Warfarin / Heparin): SEVERE CAUTION. Combining it with blood-thinning medications or aspirin can cause hemorrhaging.

science Extraction Methods

  • Whole Food / Decoction: Eaten whole (rehydrated if dried) in soups, which provides its functional fiber and polysaccharides, or boiled in teas.

scale Standard Dosage

Culinary: 5 to 15 grams dried (rehydrated) daily. Powder supplement: 1 to 3 grams daily.

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